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license: LGPL-2.1+ -> LGPL-2.1-or-later
[thirdparty/systemd.git] / src / resolve / resolvectl.c
1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3 #include <getopt.h>
4 #include <locale.h>
5 #include <net/if.h>
6
7 #include "sd-bus.h"
8 #include "sd-netlink.h"
9
10 #include "af-list.h"
11 #include "alloc-util.h"
12 #include "bus-common-errors.h"
13 #include "bus-error.h"
14 #include "bus-locator.h"
15 #include "bus-map-properties.h"
16 #include "bus-message-util.h"
17 #include "dns-domain.h"
18 #include "escape.h"
19 #include "format-table.h"
20 #include "format-util.h"
21 #include "gcrypt-util.h"
22 #include "main-func.h"
23 #include "missing_network.h"
24 #include "netlink-util.h"
25 #include "pager.h"
26 #include "parse-util.h"
27 #include "pretty-print.h"
28 #include "resolvconf-compat.h"
29 #include "resolvectl.h"
30 #include "resolved-def.h"
31 #include "resolved-dns-packet.h"
32 #include "socket-netlink.h"
33 #include "sort-util.h"
34 #include "stdio-util.h"
35 #include "string-table.h"
36 #include "strv.h"
37 #include "terminal-util.h"
38 #include "utf8.h"
39 #include "verbs.h"
40
41 static int arg_family = AF_UNSPEC;
42 static int arg_ifindex = 0;
43 static char *arg_ifname = NULL;
44 static uint16_t arg_type = 0;
45 static uint16_t arg_class = 0;
46 static bool arg_legend = true;
47 static uint64_t arg_flags = 0;
48 static PagerFlags arg_pager_flags = 0;
49 bool arg_ifindex_permissive = false; /* If true, don't generate an error if the specified interface index doesn't exist */
50 static const char *arg_service_family = NULL;
51
52 typedef enum RawType {
53 RAW_NONE,
54 RAW_PAYLOAD,
55 RAW_PACKET,
56 } RawType;
57 static RawType arg_raw = RAW_NONE;
58
59 ExecutionMode arg_mode = MODE_RESOLVE_HOST;
60
61 char **arg_set_dns = NULL;
62 char **arg_set_domain = NULL;
63 static const char *arg_set_llmnr = NULL;
64 static const char *arg_set_mdns = NULL;
65 static const char *arg_set_dns_over_tls = NULL;
66 static const char *arg_set_dnssec = NULL;
67 static char **arg_set_nta = NULL;
68
69 STATIC_DESTRUCTOR_REGISTER(arg_ifname, freep);
70 STATIC_DESTRUCTOR_REGISTER(arg_set_dns, strv_freep);
71 STATIC_DESTRUCTOR_REGISTER(arg_set_domain, strv_freep);
72 STATIC_DESTRUCTOR_REGISTER(arg_set_nta, strv_freep);
73
74 typedef enum StatusMode {
75 STATUS_ALL,
76 STATUS_DNS,
77 STATUS_DOMAIN,
78 STATUS_DEFAULT_ROUTE,
79 STATUS_LLMNR,
80 STATUS_MDNS,
81 STATUS_PRIVATE,
82 STATUS_DNSSEC,
83 STATUS_NTA,
84 } StatusMode;
85
86 typedef struct InterfaceInfo {
87 int index;
88 const char *name;
89 } InterfaceInfo;
90
91 static int interface_info_compare(const InterfaceInfo *a, const InterfaceInfo *b) {
92 int r;
93
94 r = CMP(a->index, b->index);
95 if (r != 0)
96 return r;
97
98 return strcmp_ptr(a->name, b->name);
99 }
100
101 int ifname_mangle(const char *s) {
102 _cleanup_free_ char *iface = NULL;
103 const char *dot;
104 int ifi;
105
106 assert(s);
107
108 dot = strchr(s, '.');
109 if (dot) {
110 log_debug("Ignoring protocol specifier '%s'.", dot + 1);
111 iface = strndup(s, dot - s);
112
113 } else
114 iface = strdup(s);
115 if (!iface)
116 return log_oom();
117
118 ifi = resolve_interface(NULL, iface);
119 if (ifi < 0) {
120 if (ifi == -ENODEV && arg_ifindex_permissive) {
121 log_debug("Interface '%s' not found, but -f specified, ignoring.", iface);
122 return 0; /* done */
123 }
124
125 return log_error_errno(ifi, "Failed to resolve interface \"%s\": %m", iface);
126 }
127
128 if (arg_ifindex > 0 && arg_ifindex != ifi)
129 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Specified multiple different interfaces. Refusing.");
130
131 arg_ifindex = ifi;
132 free_and_replace(arg_ifname, iface);
133
134 return 1;
135 }
136
137 static void print_source(uint64_t flags, usec_t rtt) {
138 char rtt_str[FORMAT_TIMESTAMP_MAX];
139
140 if (!arg_legend)
141 return;
142
143 if (flags == 0)
144 return;
145
146 printf("\n%s-- Information acquired via", ansi_grey());
147
148 if (flags != 0)
149 printf(" protocol%s%s%s%s%s",
150 flags & SD_RESOLVED_DNS ? " DNS" :"",
151 flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
152 flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
153 flags & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
154 flags & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
155
156 assert_se(format_timespan(rtt_str, sizeof(rtt_str), rtt, 100));
157
158 printf(" in %s.%s\n"
159 "%s-- Data is authenticated: %s%s\n",
160 rtt_str, ansi_normal(),
161 ansi_grey(), yes_no(flags & SD_RESOLVED_AUTHENTICATED), ansi_normal());
162 }
163
164 static void print_ifindex_comment(int printed_so_far, int ifindex) {
165 char ifname[IF_NAMESIZE + 1];
166
167 if (ifindex <= 0)
168 return;
169
170 if (!format_ifname(ifindex, ifname))
171 log_warning_errno(errno, "Failed to resolve interface name for index %i, ignoring: %m", ifindex);
172 else
173 printf("%*s%s-- link: %s%s",
174 60 > printed_so_far ? 60 - printed_so_far : 0, " ", /* Align comment to the 60th column */
175 ansi_grey(), ifname, ansi_normal());
176 }
177
178 static int resolve_host(sd_bus *bus, const char *name) {
179 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
180 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
181 const char *canonical = NULL;
182 unsigned c = 0;
183 uint64_t flags;
184 usec_t ts;
185 int r;
186
187 assert(name);
188
189 log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
190
191 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveHostname");
192 if (r < 0)
193 return bus_log_create_error(r);
194
195 r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
196 if (r < 0)
197 return bus_log_create_error(r);
198
199 ts = now(CLOCK_MONOTONIC);
200
201 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
202 if (r < 0)
203 return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(&error, r));
204
205 ts = now(CLOCK_MONOTONIC) - ts;
206
207 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
208 if (r < 0)
209 return bus_log_parse_error(r);
210
211 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
212 _cleanup_free_ char *pretty = NULL;
213 int ifindex, family, k;
214 union in_addr_union a;
215
216 assert_cc(sizeof(int) == sizeof(int32_t));
217
218 r = sd_bus_message_read(reply, "i", &ifindex);
219 if (r < 0)
220 return bus_log_parse_error(r);
221
222 sd_bus_error_free(&error);
223 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
224 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
225 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
226
227 r = sd_bus_message_exit_container(reply);
228 if (r < 0)
229 return bus_log_parse_error(r);
230
231 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
232 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
233 continue;
234 }
235
236 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
237 if (r < 0)
238 return log_error_errno(r, "Failed to print address for %s: %m", name);
239
240 k = printf("%*s%s %s%s%s",
241 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
242 ansi_highlight(), pretty, ansi_normal());
243
244 print_ifindex_comment(k, ifindex);
245 fputc('\n', stdout);
246
247 c++;
248 }
249 if (r < 0)
250 return bus_log_parse_error(r);
251
252 r = sd_bus_message_exit_container(reply);
253 if (r < 0)
254 return bus_log_parse_error(r);
255
256 r = sd_bus_message_read(reply, "st", &canonical, &flags);
257 if (r < 0)
258 return bus_log_parse_error(r);
259
260 if (!streq(name, canonical))
261 printf("%*s%s (%s)\n",
262 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
263 canonical);
264
265 if (c == 0)
266 return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
267 "%s: no addresses found", name);
268
269 print_source(flags, ts);
270
271 return 0;
272 }
273
274 static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
275 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
276 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
277 _cleanup_free_ char *pretty = NULL;
278 uint64_t flags;
279 unsigned c = 0;
280 usec_t ts;
281 int r;
282
283 assert(bus);
284 assert(IN_SET(family, AF_INET, AF_INET6));
285 assert(address);
286
287 if (ifindex <= 0)
288 ifindex = arg_ifindex;
289
290 r = in_addr_ifindex_to_string(family, address, ifindex, &pretty);
291 if (r < 0)
292 return log_oom();
293
294 log_debug("Resolving %s.", pretty);
295
296 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveAddress");
297 if (r < 0)
298 return bus_log_create_error(r);
299
300 r = sd_bus_message_append(req, "ii", ifindex, family);
301 if (r < 0)
302 return bus_log_create_error(r);
303
304 r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
305 if (r < 0)
306 return bus_log_create_error(r);
307
308 r = sd_bus_message_append(req, "t", arg_flags);
309 if (r < 0)
310 return bus_log_create_error(r);
311
312 ts = now(CLOCK_MONOTONIC);
313
314 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
315 if (r < 0)
316 return log_error_errno(r, "%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
317
318 ts = now(CLOCK_MONOTONIC) - ts;
319
320 r = sd_bus_message_enter_container(reply, 'a', "(is)");
321 if (r < 0)
322 return bus_log_create_error(r);
323
324 while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
325 const char *n;
326 int k;
327
328 assert_cc(sizeof(int) == sizeof(int32_t));
329
330 r = sd_bus_message_read(reply, "is", &ifindex, &n);
331 if (r < 0)
332 return r;
333
334 r = sd_bus_message_exit_container(reply);
335 if (r < 0)
336 return r;
337
338 k = printf("%*s%s %s%s%s",
339 (int) strlen(pretty), c == 0 ? pretty : "",
340 c == 0 ? ":" : " ",
341 ansi_highlight(), n, ansi_normal());
342
343 print_ifindex_comment(k, ifindex);
344 fputc('\n', stdout);
345
346 c++;
347 }
348 if (r < 0)
349 return bus_log_parse_error(r);
350
351 r = sd_bus_message_exit_container(reply);
352 if (r < 0)
353 return bus_log_parse_error(r);
354
355 r = sd_bus_message_read(reply, "t", &flags);
356 if (r < 0)
357 return bus_log_parse_error(r);
358
359 if (c == 0)
360 return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
361 "%s: no names found", pretty);
362
363 print_source(flags, ts);
364
365 return 0;
366 }
367
368 static int output_rr_packet(const void *d, size_t l, int ifindex) {
369 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
370 _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
371 int r;
372
373 r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX);
374 if (r < 0)
375 return log_oom();
376
377 p->refuse_compression = true;
378
379 r = dns_packet_append_blob(p, d, l, NULL);
380 if (r < 0)
381 return log_oom();
382
383 r = dns_packet_read_rr(p, &rr, NULL, NULL);
384 if (r < 0)
385 return log_error_errno(r, "Failed to parse RR: %m");
386
387 if (arg_raw == RAW_PAYLOAD) {
388 void *data;
389 ssize_t k;
390
391 k = dns_resource_record_payload(rr, &data);
392 if (k < 0)
393 return log_error_errno(k, "Cannot dump RR: %m");
394 fwrite(data, 1, k, stdout);
395 } else {
396 const char *s;
397 int k;
398
399 s = dns_resource_record_to_string(rr);
400 if (!s)
401 return log_oom();
402
403 k = printf("%s", s);
404 print_ifindex_comment(k, ifindex);
405 fputc('\n', stdout);
406 }
407
408 return 0;
409 }
410
411 static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type, bool warn_missing) {
412 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
413 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
414 unsigned n = 0;
415 uint64_t flags;
416 int r;
417 usec_t ts;
418 bool needs_authentication = false;
419
420 assert(name);
421
422 log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(arg_ifname) ? "*" : arg_ifname);
423
424 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveRecord");
425 if (r < 0)
426 return bus_log_create_error(r);
427
428 r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
429 if (r < 0)
430 return bus_log_create_error(r);
431
432 ts = now(CLOCK_MONOTONIC);
433
434 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
435 if (r < 0) {
436 if (warn_missing || r != -ENXIO)
437 log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r));
438 return r;
439 }
440
441 ts = now(CLOCK_MONOTONIC) - ts;
442
443 r = sd_bus_message_enter_container(reply, 'a', "(iqqay)");
444 if (r < 0)
445 return bus_log_parse_error(r);
446
447 while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
448 uint16_t c, t;
449 int ifindex;
450 const void *d;
451 size_t l;
452
453 assert_cc(sizeof(int) == sizeof(int32_t));
454
455 r = sd_bus_message_read(reply, "iqq", &ifindex, &c, &t);
456 if (r < 0)
457 return bus_log_parse_error(r);
458
459 r = sd_bus_message_read_array(reply, 'y', &d, &l);
460 if (r < 0)
461 return bus_log_parse_error(r);
462
463 r = sd_bus_message_exit_container(reply);
464 if (r < 0)
465 return bus_log_parse_error(r);
466
467 if (arg_raw == RAW_PACKET) {
468 uint64_t u64 = htole64(l);
469
470 fwrite(&u64, sizeof(u64), 1, stdout);
471 fwrite(d, 1, l, stdout);
472 } else {
473 r = output_rr_packet(d, l, ifindex);
474 if (r < 0)
475 return r;
476 }
477
478 if (dns_type_needs_authentication(t))
479 needs_authentication = true;
480
481 n++;
482 }
483 if (r < 0)
484 return bus_log_parse_error(r);
485
486 r = sd_bus_message_exit_container(reply);
487 if (r < 0)
488 return bus_log_parse_error(r);
489
490 r = sd_bus_message_read(reply, "t", &flags);
491 if (r < 0)
492 return bus_log_parse_error(r);
493
494 if (n == 0) {
495 if (warn_missing)
496 log_error("%s: no records found", name);
497 return -ESRCH;
498 }
499
500 print_source(flags, ts);
501
502 if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
503 fflush(stdout);
504
505 fprintf(stderr, "\n%s"
506 "WARNING: The resources shown contain cryptographic key data which could not be\n"
507 " authenticated. It is not suitable to authenticate any communication.\n"
508 " This is usually indication that DNSSEC authentication was not enabled\n"
509 " or is not available for the selected protocol or DNS servers.%s\n",
510 ansi_highlight_red(),
511 ansi_normal());
512 }
513
514 return 0;
515 }
516
517 static int resolve_rfc4501(sd_bus *bus, const char *name) {
518 uint16_t type = 0, class = 0;
519 const char *p, *q, *n;
520 int r;
521
522 assert(bus);
523 assert(name);
524 assert(startswith(name, "dns:"));
525
526 /* Parse RFC 4501 dns: URIs */
527
528 p = name + 4;
529
530 if (p[0] == '/') {
531 const char *e;
532
533 if (p[1] != '/')
534 goto invalid;
535
536 e = strchr(p + 2, '/');
537 if (!e)
538 goto invalid;
539
540 if (e != p + 2)
541 log_warning("DNS authority specification not supported; ignoring specified authority.");
542
543 p = e + 1;
544 }
545
546 q = strchr(p, '?');
547 if (q) {
548 n = strndupa(p, q - p);
549 q++;
550
551 for (;;) {
552 const char *f;
553
554 f = startswith_no_case(q, "class=");
555 if (f) {
556 _cleanup_free_ char *t = NULL;
557 const char *e;
558
559 if (class != 0)
560 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
561 "DNS class specified twice.");
562
563 e = strchrnul(f, ';');
564 t = strndup(f, e - f);
565 if (!t)
566 return log_oom();
567
568 r = dns_class_from_string(t);
569 if (r < 0)
570 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
571 "Unknown DNS class %s.", t);
572
573 class = r;
574
575 if (*e == ';') {
576 q = e + 1;
577 continue;
578 }
579
580 break;
581 }
582
583 f = startswith_no_case(q, "type=");
584 if (f) {
585 _cleanup_free_ char *t = NULL;
586 const char *e;
587
588 if (type != 0)
589 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
590 "DNS type specified twice.");
591
592 e = strchrnul(f, ';');
593 t = strndup(f, e - f);
594 if (!t)
595 return log_oom();
596
597 r = dns_type_from_string(t);
598 if (r < 0)
599 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
600 "Unknown DNS type %s.", t);
601
602 type = r;
603
604 if (*e == ';') {
605 q = e + 1;
606 continue;
607 }
608
609 break;
610 }
611
612 goto invalid;
613 }
614 } else
615 n = p;
616
617 if (class == 0)
618 class = arg_class ?: DNS_CLASS_IN;
619 if (type == 0)
620 type = arg_type ?: DNS_TYPE_A;
621
622 return resolve_record(bus, n, class, type, true);
623
624 invalid:
625 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
626 "Invalid DNS URI: %s", name);
627 }
628
629 static int verb_query(int argc, char **argv, void *userdata) {
630 sd_bus *bus = userdata;
631 char **p;
632 int q, r = 0;
633
634 if (arg_type != 0)
635 STRV_FOREACH(p, argv + 1) {
636 q = resolve_record(bus, *p, arg_class, arg_type, true);
637 if (q < 0)
638 r = q;
639 }
640
641 else
642 STRV_FOREACH(p, argv + 1) {
643 if (startswith(*p, "dns:"))
644 q = resolve_rfc4501(bus, *p);
645 else {
646 int family, ifindex;
647 union in_addr_union a;
648
649 q = in_addr_ifindex_from_string_auto(*p, &family, &a, &ifindex);
650 if (q >= 0)
651 q = resolve_address(bus, family, &a, ifindex);
652 else
653 q = resolve_host(bus, *p);
654 }
655 if (q < 0)
656 r = q;
657 }
658
659 return r;
660 }
661
662 static int resolve_service(sd_bus *bus, const char *name, const char *type, const char *domain) {
663 const char *canonical_name, *canonical_type, *canonical_domain;
664 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
665 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
666 size_t indent, sz;
667 uint64_t flags;
668 const char *p;
669 unsigned c;
670 usec_t ts;
671 int r;
672
673 assert(bus);
674 assert(domain);
675
676 name = empty_to_null(name);
677 type = empty_to_null(type);
678
679 if (name)
680 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);
681 else if (type)
682 log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
683 else
684 log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
685
686 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveService");
687 if (r < 0)
688 return bus_log_create_error(r);
689
690 r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
691 if (r < 0)
692 return bus_log_create_error(r);
693
694 ts = now(CLOCK_MONOTONIC);
695
696 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
697 if (r < 0)
698 return log_error_errno(r, "Resolve call failed: %s", bus_error_message(&error, r));
699
700 ts = now(CLOCK_MONOTONIC) - ts;
701
702 r = sd_bus_message_enter_container(reply, 'a', "(qqqsa(iiay)s)");
703 if (r < 0)
704 return bus_log_parse_error(r);
705
706 indent =
707 (name ? strlen(name) + 1 : 0) +
708 (type ? strlen(type) + 1 : 0) +
709 strlen(domain) + 2;
710
711 c = 0;
712 while ((r = sd_bus_message_enter_container(reply, 'r', "qqqsa(iiay)s")) > 0) {
713 uint16_t priority, weight, port;
714 const char *hostname, *canonical;
715
716 r = sd_bus_message_read(reply, "qqqs", &priority, &weight, &port, &hostname);
717 if (r < 0)
718 return bus_log_parse_error(r);
719
720 if (name)
721 printf("%*s%s", (int) strlen(name), c == 0 ? name : "", c == 0 ? "/" : " ");
722 if (type)
723 printf("%*s%s", (int) strlen(type), c == 0 ? type : "", c == 0 ? "/" : " ");
724
725 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
726 (int) strlen(domain), c == 0 ? domain : "",
727 c == 0 ? ":" : " ",
728 hostname, port,
729 priority, weight);
730
731 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
732 if (r < 0)
733 return bus_log_parse_error(r);
734
735 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
736 _cleanup_free_ char *pretty = NULL;
737 int ifindex, family, k;
738 union in_addr_union a;;
739
740 assert_cc(sizeof(int) == sizeof(int32_t));
741
742 r = sd_bus_message_read(reply, "i", &ifindex);
743 if (r < 0)
744 return bus_log_parse_error(r);
745
746 sd_bus_error_free(&error);
747 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
748 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
749 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
750
751 r = sd_bus_message_exit_container(reply);
752 if (r < 0)
753 return bus_log_parse_error(r);
754
755 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
756 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
757 continue;
758 }
759
760 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
761 if (r < 0)
762 return log_error_errno(r, "Failed to print address for %s: %m", name);
763
764 k = printf("%*s%s", (int) indent, "", pretty);
765 print_ifindex_comment(k, ifindex);
766 fputc('\n', stdout);
767 }
768 if (r < 0)
769 return bus_log_parse_error(r);
770
771 r = sd_bus_message_exit_container(reply);
772 if (r < 0)
773 return bus_log_parse_error(r);
774
775 r = sd_bus_message_read(reply, "s", &canonical);
776 if (r < 0)
777 return bus_log_parse_error(r);
778
779 if (!streq(hostname, canonical))
780 printf("%*s(%s)\n", (int) indent, "", canonical);
781
782 r = sd_bus_message_exit_container(reply);
783 if (r < 0)
784 return bus_log_parse_error(r);
785
786 c++;
787 }
788 if (r < 0)
789 return bus_log_parse_error(r);
790
791 r = sd_bus_message_exit_container(reply);
792 if (r < 0)
793 return bus_log_parse_error(r);
794
795 r = sd_bus_message_enter_container(reply, 'a', "ay");
796 if (r < 0)
797 return bus_log_parse_error(r);
798
799 while ((r = sd_bus_message_read_array(reply, 'y', (const void**) &p, &sz)) > 0) {
800 _cleanup_free_ char *escaped = NULL;
801
802 escaped = cescape_length(p, sz);
803 if (!escaped)
804 return log_oom();
805
806 printf("%*s%s\n", (int) indent, "", escaped);
807 }
808 if (r < 0)
809 return bus_log_parse_error(r);
810
811 r = sd_bus_message_exit_container(reply);
812 if (r < 0)
813 return bus_log_parse_error(r);
814
815 r = sd_bus_message_read(reply, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
816 if (r < 0)
817 return bus_log_parse_error(r);
818
819 canonical_name = empty_to_null(canonical_name);
820 canonical_type = empty_to_null(canonical_type);
821
822 if (!streq_ptr(name, canonical_name) ||
823 !streq_ptr(type, canonical_type) ||
824 !streq_ptr(domain, canonical_domain)) {
825
826 printf("%*s(", (int) indent, "");
827
828 if (canonical_name)
829 printf("%s/", canonical_name);
830 if (canonical_type)
831 printf("%s/", canonical_type);
832
833 printf("%s)\n", canonical_domain);
834 }
835
836 print_source(flags, ts);
837
838 return 0;
839 }
840
841 static int verb_service(int argc, char **argv, void *userdata) {
842 sd_bus *bus = userdata;
843
844 if (argc == 2)
845 return resolve_service(bus, NULL, NULL, argv[1]);
846 else if (argc == 3)
847 return resolve_service(bus, NULL, argv[1], argv[2]);
848 else
849 return resolve_service(bus, argv[1], argv[2], argv[3]);
850 }
851
852 static int resolve_openpgp(sd_bus *bus, const char *address) {
853 const char *domain, *full;
854 int r;
855 _cleanup_free_ char *hashed = NULL;
856
857 assert(bus);
858 assert(address);
859
860 domain = strrchr(address, '@');
861 if (!domain)
862 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
863 "Address does not contain '@': \"%s\"", address);
864 if (domain == address || domain[1] == '\0')
865 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
866 "Address starts or ends with '@': \"%s\"", address);
867 domain++;
868
869 r = string_hashsum_sha256(address, domain - 1 - address, &hashed);
870 if (r < 0)
871 return log_error_errno(r, "Hashing failed: %m");
872
873 strshorten(hashed, 56);
874
875 full = strjoina(hashed, "._openpgpkey.", domain);
876 log_debug("Looking up \"%s\".", full);
877
878 r = resolve_record(bus, full,
879 arg_class ?: DNS_CLASS_IN,
880 arg_type ?: DNS_TYPE_OPENPGPKEY, false);
881
882 if (IN_SET(r, -ENXIO, -ESRCH)) { /* NXDOMAIN or NODATA? */
883 hashed = mfree(hashed);
884 r = string_hashsum_sha224(address, domain - 1 - address, &hashed);
885 if (r < 0)
886 return log_error_errno(r, "Hashing failed: %m");
887
888 full = strjoina(hashed, "._openpgpkey.", domain);
889 log_debug("Looking up \"%s\".", full);
890
891 return resolve_record(bus, full,
892 arg_class ?: DNS_CLASS_IN,
893 arg_type ?: DNS_TYPE_OPENPGPKEY, true);
894 }
895
896 return r;
897 }
898
899 static int verb_openpgp(int argc, char **argv, void *userdata) {
900 sd_bus *bus = userdata;
901 char **p;
902 int q, r = 0;
903
904 STRV_FOREACH(p, argv + 1) {
905 q = resolve_openpgp(bus, *p);
906 if (q < 0)
907 r = q;
908 }
909
910 return r;
911 }
912
913 static int resolve_tlsa(sd_bus *bus, const char *family, const char *address) {
914 const char *port;
915 uint16_t port_num = 443;
916 _cleanup_free_ char *full = NULL;
917 int r;
918
919 assert(bus);
920 assert(address);
921
922 port = strrchr(address, ':');
923 if (port) {
924 r = parse_ip_port(port + 1, &port_num);
925 if (r < 0)
926 return log_error_errno(r, "Invalid port \"%s\".", port + 1);
927
928 address = strndupa(address, port - address);
929 }
930
931 r = asprintf(&full, "_%u._%s.%s",
932 port_num,
933 family,
934 address);
935 if (r < 0)
936 return log_oom();
937
938 log_debug("Looking up \"%s\".", full);
939
940 return resolve_record(bus, full,
941 arg_class ?: DNS_CLASS_IN,
942 arg_type ?: DNS_TYPE_TLSA, true);
943 }
944
945 static bool service_family_is_valid(const char *s) {
946 return STR_IN_SET(s, "tcp", "udp", "sctp");
947 }
948
949 static int verb_tlsa(int argc, char **argv, void *userdata) {
950 sd_bus *bus = userdata;
951 char **p, **args = argv + 1;
952 const char *family = "tcp";
953 int q, r = 0;
954
955 if (service_family_is_valid(argv[1])) {
956 family = argv[1];
957 args++;
958 }
959
960 STRV_FOREACH(p, args) {
961 q = resolve_tlsa(bus, family, *p);
962 if (q < 0)
963 r = q;
964 }
965
966 return r;
967 }
968
969 static int show_statistics(int argc, char **argv, void *userdata) {
970 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
971 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
972 _cleanup_(table_unrefp) Table *table = NULL;
973 sd_bus *bus = userdata;
974 uint64_t n_current_transactions, n_total_transactions,
975 cache_size, n_cache_hit, n_cache_miss,
976 n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
977 int r, dnssec_supported;
978
979 assert(bus);
980
981 r = bus_get_property_trivial(bus, bus_resolve_mgr, "DNSSECSupported", &error, 'b', &dnssec_supported);
982 if (r < 0)
983 return log_error_errno(r, "Failed to get DNSSEC supported state: %s", bus_error_message(&error, r));
984
985 printf("DNSSEC supported by current servers: %s%s%s\n\n",
986 ansi_highlight(),
987 yes_no(dnssec_supported),
988 ansi_normal());
989
990 r = bus_get_property(bus, bus_resolve_mgr, "TransactionStatistics", &error, &reply, "(tt)");
991 if (r < 0)
992 return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
993
994 r = sd_bus_message_read(reply, "(tt)",
995 &n_current_transactions,
996 &n_total_transactions);
997 if (r < 0)
998 return bus_log_parse_error(r);
999
1000 reply = sd_bus_message_unref(reply);
1001
1002 r = bus_get_property(bus, bus_resolve_mgr, "CacheStatistics", &error, &reply, "(ttt)");
1003 if (r < 0)
1004 return log_error_errno(r, "Failed to get cache statistics: %s", bus_error_message(&error, r));
1005
1006 r = sd_bus_message_read(reply, "(ttt)",
1007 &cache_size,
1008 &n_cache_hit,
1009 &n_cache_miss);
1010 if (r < 0)
1011 return bus_log_parse_error(r);
1012
1013 reply = sd_bus_message_unref(reply);
1014
1015 r = bus_get_property(bus, bus_resolve_mgr, "DNSSECStatistics", &error, &reply, "(tttt)");
1016 if (r < 0)
1017 return log_error_errno(r, "Failed to get DNSSEC statistics: %s", bus_error_message(&error, r));
1018
1019 r = sd_bus_message_read(reply, "(tttt)",
1020 &n_dnssec_secure,
1021 &n_dnssec_insecure,
1022 &n_dnssec_bogus,
1023 &n_dnssec_indeterminate);
1024 if (r < 0)
1025 return bus_log_parse_error(r);
1026
1027 table = table_new("key", "value");
1028 if (!table)
1029 return log_oom();
1030
1031 table_set_header(table, false);
1032
1033 r = table_add_many(table,
1034 TABLE_STRING, "Transactions",
1035 TABLE_SET_COLOR, ansi_highlight(),
1036 TABLE_EMPTY,
1037 TABLE_STRING, "Current Transactions:",
1038 TABLE_SET_ALIGN_PERCENT, 100,
1039 TABLE_UINT64, n_current_transactions,
1040 TABLE_STRING, "Total Transactions:",
1041 TABLE_UINT64, n_total_transactions,
1042 TABLE_EMPTY, TABLE_EMPTY,
1043 TABLE_STRING, "Cache",
1044 TABLE_SET_COLOR, ansi_highlight(),
1045 TABLE_SET_ALIGN_PERCENT, 0,
1046 TABLE_EMPTY,
1047 TABLE_STRING, "Current Cache Size:",
1048 TABLE_SET_ALIGN_PERCENT, 100,
1049 TABLE_UINT64, cache_size,
1050 TABLE_STRING, "Cache Hits:",
1051 TABLE_UINT64, n_cache_hit,
1052 TABLE_STRING, "Cache Misses:",
1053 TABLE_UINT64, n_cache_miss,
1054 TABLE_EMPTY, TABLE_EMPTY,
1055 TABLE_STRING, "DNSSEC Verdicts",
1056 TABLE_SET_COLOR, ansi_highlight(),
1057 TABLE_SET_ALIGN_PERCENT, 0,
1058 TABLE_EMPTY,
1059 TABLE_STRING, "Secure:",
1060 TABLE_SET_ALIGN_PERCENT, 100,
1061 TABLE_UINT64, n_dnssec_secure,
1062 TABLE_STRING, "Insecure:",
1063 TABLE_UINT64, n_dnssec_insecure,
1064 TABLE_STRING, "Bogus:",
1065 TABLE_UINT64, n_dnssec_bogus,
1066 TABLE_STRING, "Indeterminate:",
1067 TABLE_UINT64, n_dnssec_indeterminate);
1068 if (r < 0)
1069 table_log_add_error(r);
1070
1071 r = table_print(table, NULL);
1072 if (r < 0)
1073 return table_log_print_error(r);
1074
1075 return 0;
1076 }
1077
1078 static int reset_statistics(int argc, char **argv, void *userdata) {
1079 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1080 sd_bus *bus = userdata;
1081 int r;
1082
1083 r = bus_call_method(bus, bus_resolve_mgr, "ResetStatistics", &error, NULL, NULL);
1084 if (r < 0)
1085 return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
1086
1087 return 0;
1088 }
1089
1090 static int flush_caches(int argc, char **argv, void *userdata) {
1091 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1092 sd_bus *bus = userdata;
1093 int r;
1094
1095 r = bus_call_method(bus, bus_resolve_mgr, "FlushCaches", &error, NULL, NULL);
1096 if (r < 0)
1097 return log_error_errno(r, "Failed to flush caches: %s", bus_error_message(&error, r));
1098
1099 return 0;
1100 }
1101
1102 static int reset_server_features(int argc, char **argv, void *userdata) {
1103 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1104 sd_bus *bus = userdata;
1105 int r;
1106
1107 r = bus_call_method(bus, bus_resolve_mgr, "ResetServerFeatures", &error, NULL, NULL);
1108 if (r < 0)
1109 return log_error_errno(r, "Failed to reset server features: %s", bus_error_message(&error, r));
1110
1111 return 0;
1112 }
1113
1114 static int read_dns_server_one(sd_bus_message *m, bool with_ifindex, bool extended, char **ret) {
1115 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1116 _cleanup_free_ char *pretty = NULL;
1117 int ifindex, family, r, k;
1118 union in_addr_union a;
1119 const char *name = NULL;
1120 uint16_t port = 0;
1121
1122 assert(m);
1123 assert(ret);
1124
1125 r = sd_bus_message_enter_container(m, 'r', with_ifindex ? (extended ? "iiayqs" : "iiay") : (extended ? "iayqs" : "iay"));
1126 if (r <= 0)
1127 return r;
1128
1129 if (with_ifindex) {
1130 r = sd_bus_message_read(m, "i", &ifindex);
1131 if (r < 0)
1132 return r;
1133 }
1134
1135 k = bus_message_read_in_addr_auto(m, &error, &family, &a);
1136 if (k < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
1137 return k;
1138
1139 if (extended) {
1140 r = sd_bus_message_read(m, "q", &port);
1141 if (r < 0)
1142 return r;
1143
1144 r = sd_bus_message_read(m, "s", &name);
1145 if (r < 0)
1146 return r;
1147 }
1148
1149 r = sd_bus_message_exit_container(m);
1150 if (r < 0)
1151 return r;
1152
1153 if (k < 0) {
1154 log_debug("Invalid DNS server, ignoring: %s", bus_error_message(&error, k));
1155 *ret = NULL;
1156 return 1;
1157 }
1158
1159 if (with_ifindex && ifindex != 0) {
1160 /* only show the global ones here */
1161 *ret = NULL;
1162 return 1;
1163 }
1164
1165 r = in_addr_port_ifindex_name_to_string(family, &a, port, ifindex, name, &pretty);
1166 if (r < 0)
1167 return r;
1168
1169 *ret = TAKE_PTR(pretty);
1170
1171 return 1;
1172 }
1173
1174 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) {
1175 char ***l = userdata;
1176 int r;
1177
1178 assert(bus);
1179 assert(member);
1180 assert(m);
1181 assert(l);
1182
1183 r = sd_bus_message_enter_container(m, 'a', extended ? "(iayqs)" : "(iay)");
1184 if (r < 0)
1185 return r;
1186
1187 for (;;) {
1188 _cleanup_free_ char *pretty = NULL;
1189
1190 r = read_dns_server_one(m, false, extended, &pretty);
1191 if (r < 0)
1192 return r;
1193 if (r == 0)
1194 break;
1195
1196 if (isempty(pretty))
1197 continue;
1198
1199 r = strv_consume(l, TAKE_PTR(pretty));
1200 if (r < 0)
1201 return r;
1202 }
1203
1204 r = sd_bus_message_exit_container(m);
1205 if (r < 0)
1206 return r;
1207
1208 return 0;
1209 }
1210
1211 static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1212 return map_link_dns_servers_internal(bus, member, m, error, userdata, false);
1213 }
1214
1215 static int map_link_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1216 return map_link_dns_servers_internal(bus, member, m, error, userdata, true);
1217 }
1218
1219 static int map_link_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1220 assert(m);
1221 assert(userdata);
1222
1223 return read_dns_server_one(m, false, false, userdata);
1224 }
1225
1226 static int map_link_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1227 assert(m);
1228 assert(userdata);
1229
1230 return read_dns_server_one(m, false, true, userdata);
1231 }
1232
1233 static int read_domain_one(sd_bus_message *m, bool with_ifindex, char **ret) {
1234 _cleanup_free_ char *str = NULL;
1235 int ifindex, route_only, r;
1236 const char *domain;
1237
1238 assert(m);
1239 assert(ret);
1240
1241 if (with_ifindex)
1242 r = sd_bus_message_read(m, "(isb)", &ifindex, &domain, &route_only);
1243 else
1244 r = sd_bus_message_read(m, "(sb)", &domain, &route_only);
1245 if (r <= 0)
1246 return r;
1247
1248 if (with_ifindex && ifindex != 0) {
1249 /* only show the global ones here */
1250 *ret = NULL;
1251 return 1;
1252 }
1253
1254 if (route_only)
1255 str = strjoin("~", domain);
1256 else
1257 str = strdup(domain);
1258 if (!str)
1259 return -ENOMEM;
1260
1261 *ret = TAKE_PTR(str);
1262
1263 return 1;
1264 }
1265
1266 static int map_link_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1267 char ***l = userdata;
1268 int r;
1269
1270 assert(bus);
1271 assert(member);
1272 assert(m);
1273 assert(l);
1274
1275 r = sd_bus_message_enter_container(m, 'a', "(sb)");
1276 if (r < 0)
1277 return r;
1278
1279 for (;;) {
1280 _cleanup_free_ char *pretty = NULL;
1281
1282 r = read_domain_one(m, false, &pretty);
1283 if (r < 0)
1284 return r;
1285 if (r == 0)
1286 break;
1287
1288 if (isempty(pretty))
1289 continue;
1290
1291 r = strv_consume(l, TAKE_PTR(pretty));
1292 if (r < 0)
1293 return r;
1294 }
1295
1296 r = sd_bus_message_exit_container(m);
1297 if (r < 0)
1298 return r;
1299
1300 strv_sort(*l);
1301
1302 return 0;
1303 }
1304
1305 static int status_print_strv_ifindex(int ifindex, const char *ifname, char **p) {
1306 const unsigned indent = strlen("Global: "); /* Use the same indentation everywhere to make things nice */
1307 int pos1, pos2;
1308
1309 if (ifname)
1310 printf("%s%nLink %i (%s)%n%s:", ansi_highlight(), &pos1, ifindex, ifname, &pos2, ansi_normal());
1311 else
1312 printf("%s%nGlobal%n%s:", ansi_highlight(), &pos1, &pos2, ansi_normal());
1313
1314 size_t cols = columns(), position = pos2 - pos1 + 2;
1315 char **i;
1316
1317 STRV_FOREACH(i, p) {
1318 size_t our_len = utf8_console_width(*i); /* This returns -1 on invalid utf-8 (which shouldn't happen).
1319 * If that happens, we'll just print one item per line. */
1320
1321 if (position <= indent || size_add(size_add(position, 1), our_len) < cols) {
1322 printf(" %s", *i);
1323 position = size_add(size_add(position, 1), our_len);
1324 } else {
1325 printf("\n%*s%s", indent, "", *i);
1326 position = size_add(our_len, indent);
1327 }
1328 }
1329
1330 printf("\n");
1331
1332 return 0;
1333 }
1334
1335 static int status_print_strv_global(char **p) {
1336 return status_print_strv_ifindex(0, NULL, p);
1337 }
1338
1339 typedef struct LinkInfo {
1340 uint64_t scopes_mask;
1341 const char *llmnr;
1342 const char *mdns;
1343 const char *dns_over_tls;
1344 const char *dnssec;
1345 char *current_dns;
1346 char *current_dns_ex;
1347 char **dns;
1348 char **dns_ex;
1349 char **domains;
1350 char **ntas;
1351 bool dnssec_supported;
1352 bool default_route;
1353 } LinkInfo;
1354
1355 typedef struct GlobalInfo {
1356 char *current_dns;
1357 char *current_dns_ex;
1358 char **dns;
1359 char **dns_ex;
1360 char **fallback_dns;
1361 char **fallback_dns_ex;
1362 char **domains;
1363 char **ntas;
1364 const char *llmnr;
1365 const char *mdns;
1366 const char *dns_over_tls;
1367 const char *dnssec;
1368 const char *resolv_conf_mode;
1369 bool dnssec_supported;
1370 } GlobalInfo;
1371
1372 static void link_info_clear(LinkInfo *p) {
1373 free(p->current_dns);
1374 free(p->current_dns_ex);
1375 strv_free(p->dns);
1376 strv_free(p->dns_ex);
1377 strv_free(p->domains);
1378 strv_free(p->ntas);
1379 }
1380
1381 static void global_info_clear(GlobalInfo *p) {
1382 free(p->current_dns);
1383 free(p->current_dns_ex);
1384 strv_free(p->dns);
1385 strv_free(p->dns_ex);
1386 strv_free(p->fallback_dns);
1387 strv_free(p->fallback_dns_ex);
1388 strv_free(p->domains);
1389 strv_free(p->ntas);
1390 }
1391
1392 static int dump_list(Table *table, const char *prefix, char * const *l) {
1393 int r;
1394
1395 if (strv_isempty(l))
1396 return 0;
1397
1398 r = table_add_many(table,
1399 TABLE_STRING, prefix,
1400 TABLE_STRV_WRAPPED, l);
1401 if (r < 0)
1402 return table_log_add_error(r);
1403
1404 return 0;
1405 }
1406
1407 static int strv_extend_extended_bool(char ***strv, const char *name, const char *value) {
1408 int r;
1409
1410 if (value) {
1411 r = parse_boolean(value);
1412 if (r >= 0)
1413 return strv_extendf(strv, "%s%s", plus_minus(r), name);
1414 }
1415
1416 return strv_extendf(strv, "%s=%s", name, value ?: "???");
1417 }
1418
1419 static char** link_protocol_status(const LinkInfo *info) {
1420 _cleanup_strv_free_ char **s = NULL;
1421
1422 if (strv_extendf(&s, "%sDefaultRoute", plus_minus(info->default_route)) < 0)
1423 return NULL;
1424
1425 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1426 return NULL;
1427
1428 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1429 return NULL;
1430
1431 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1432 return NULL;
1433
1434 if (strv_extendf(&s, "DNSSEC=%s/%s",
1435 info->dnssec ?: "???",
1436 info->dnssec_supported ? "supported" : "unsupported") < 0)
1437 return NULL;
1438
1439 return TAKE_PTR(s);
1440 }
1441
1442 static char** global_protocol_status(const GlobalInfo *info) {
1443 _cleanup_strv_free_ char **s = NULL;
1444
1445 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1446 return NULL;
1447
1448 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1449 return NULL;
1450
1451 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1452 return NULL;
1453
1454 if (strv_extendf(&s, "DNSSEC=%s/%s",
1455 info->dnssec ?: "???",
1456 info->dnssec_supported ? "supported" : "unsupported") < 0)
1457 return NULL;
1458
1459 return TAKE_PTR(s);
1460 }
1461
1462 static int status_ifindex(sd_bus *bus, int ifindex, const char *name, StatusMode mode, bool *empty_line) {
1463 static const struct bus_properties_map property_map[] = {
1464 { "ScopesMask", "t", NULL, offsetof(LinkInfo, scopes_mask) },
1465 { "DNS", "a(iay)", map_link_dns_servers, offsetof(LinkInfo, dns) },
1466 { "DNSEx", "a(iayqs)", map_link_dns_servers_ex, offsetof(LinkInfo, dns_ex) },
1467 { "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(LinkInfo, current_dns) },
1468 { "CurrentDNSServerEx", "(iayqs)", map_link_current_dns_server_ex, offsetof(LinkInfo, current_dns_ex) },
1469 { "Domains", "a(sb)", map_link_domains, offsetof(LinkInfo, domains) },
1470 { "DefaultRoute", "b", NULL, offsetof(LinkInfo, default_route) },
1471 { "LLMNR", "s", NULL, offsetof(LinkInfo, llmnr) },
1472 { "MulticastDNS", "s", NULL, offsetof(LinkInfo, mdns) },
1473 { "DNSOverTLS", "s", NULL, offsetof(LinkInfo, dns_over_tls) },
1474 { "DNSSEC", "s", NULL, offsetof(LinkInfo, dnssec) },
1475 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(LinkInfo, ntas) },
1476 { "DNSSECSupported", "b", NULL, offsetof(LinkInfo, dnssec_supported) },
1477 {}
1478 };
1479 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1480 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1481 _cleanup_(link_info_clear) LinkInfo link_info = {};
1482 _cleanup_(table_unrefp) Table *table = NULL;
1483 _cleanup_free_ char *p = NULL;
1484 char ifi[DECIMAL_STR_MAX(int)], ifname[IF_NAMESIZE + 1] = "";
1485 int r;
1486
1487 assert(bus);
1488 assert(ifindex > 0);
1489
1490 if (!name) {
1491 if (!format_ifname(ifindex, ifname))
1492 return log_error_errno(errno, "Failed to resolve interface name for %i: %m", ifindex);
1493
1494 name = ifname;
1495 }
1496
1497 xsprintf(ifi, "%i", ifindex);
1498 r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi, &p);
1499 if (r < 0)
1500 return log_oom();
1501
1502 r = bus_map_all_properties(bus,
1503 "org.freedesktop.resolve1",
1504 p,
1505 property_map,
1506 BUS_MAP_BOOLEAN_AS_BOOL,
1507 &error,
1508 &m,
1509 &link_info);
1510 if (r < 0)
1511 return log_error_errno(r, "Failed to get link data for %i: %s", ifindex, bus_error_message(&error, r));
1512
1513 (void) pager_open(arg_pager_flags);
1514
1515 if (mode == STATUS_DNS)
1516 return status_print_strv_ifindex(ifindex, name, link_info.dns_ex ?: link_info.dns);
1517
1518 if (mode == STATUS_DOMAIN)
1519 return status_print_strv_ifindex(ifindex, name, link_info.domains);
1520
1521 if (mode == STATUS_NTA)
1522 return status_print_strv_ifindex(ifindex, name, link_info.ntas);
1523
1524 if (mode == STATUS_DEFAULT_ROUTE) {
1525 printf("%sLink %i (%s)%s: %s\n",
1526 ansi_highlight(), ifindex, name, ansi_normal(),
1527 yes_no(link_info.default_route));
1528
1529 return 0;
1530 }
1531
1532 if (mode == STATUS_LLMNR) {
1533 printf("%sLink %i (%s)%s: %s\n",
1534 ansi_highlight(), ifindex, name, ansi_normal(),
1535 strna(link_info.llmnr));
1536
1537 return 0;
1538 }
1539
1540 if (mode == STATUS_MDNS) {
1541 printf("%sLink %i (%s)%s: %s\n",
1542 ansi_highlight(), ifindex, name, ansi_normal(),
1543 strna(link_info.mdns));
1544
1545 return 0;
1546 }
1547
1548 if (mode == STATUS_PRIVATE) {
1549 printf("%sLink %i (%s)%s: %s\n",
1550 ansi_highlight(), ifindex, name, ansi_normal(),
1551 strna(link_info.dns_over_tls));
1552
1553 return 0;
1554 }
1555
1556 if (mode == STATUS_DNSSEC) {
1557 printf("%sLink %i (%s)%s: %s\n",
1558 ansi_highlight(), ifindex, name, ansi_normal(),
1559 strna(link_info.dnssec));
1560
1561 return 0;
1562 }
1563
1564 if (empty_line && *empty_line)
1565 fputc('\n', stdout);
1566
1567 printf("%sLink %i (%s)%s\n",
1568 ansi_highlight(), ifindex, name, ansi_normal());
1569
1570 table = table_new("key", "value");
1571 if (!table)
1572 return log_oom();
1573
1574 table_set_header(table, false);
1575
1576 r = table_add_many(table,
1577 TABLE_STRING, "Current Scopes:",
1578 TABLE_SET_ALIGN_PERCENT, 100);
1579 if (r < 0)
1580 return table_log_add_error(r);
1581
1582 if (link_info.scopes_mask == 0)
1583 r = table_add_cell(table, NULL, TABLE_STRING, "none");
1584 else {
1585 _cleanup_free_ char *buf = NULL;
1586 size_t len;
1587
1588 if (asprintf(&buf, "%s%s%s%s%s",
1589 link_info.scopes_mask & SD_RESOLVED_DNS ? "DNS " : "",
1590 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV4 ? "LLMNR/IPv4 " : "",
1591 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV6 ? "LLMNR/IPv6 " : "",
1592 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? "mDNS/IPv4 " : "",
1593 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? "mDNS/IPv6 " : "") < 0)
1594 return log_oom();
1595
1596 len = strlen(buf);
1597 assert(len > 0);
1598 buf[len - 1] = '\0';
1599
1600 r = table_add_cell(table, NULL, TABLE_STRING, buf);
1601 }
1602 if (r < 0)
1603 return table_log_add_error(r);
1604
1605 _cleanup_strv_free_ char **pstatus = link_protocol_status(&link_info);
1606 if (!pstatus)
1607 return log_oom();
1608
1609 r = table_add_many(table,
1610 TABLE_STRING, "Protocols:",
1611 TABLE_STRV_WRAPPED, pstatus);
1612 if (r < 0)
1613 return table_log_add_error(r);
1614
1615 if (link_info.current_dns) {
1616 r = table_add_many(table,
1617 TABLE_STRING, "Current DNS Server:",
1618 TABLE_STRING, link_info.current_dns_ex ?: link_info.current_dns);
1619 if (r < 0)
1620 return table_log_add_error(r);
1621 }
1622
1623 r = dump_list(table, "DNS Servers:", link_info.dns_ex ?: link_info.dns);
1624 if (r < 0)
1625 return r;
1626
1627 r = dump_list(table, "DNS Domain:", link_info.domains);
1628 if (r < 0)
1629 return r;
1630
1631 r = table_print(table, NULL);
1632 if (r < 0)
1633 return table_log_print_error(r);
1634
1635 if (empty_line)
1636 *empty_line = true;
1637
1638 return 0;
1639 }
1640
1641 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) {
1642 char ***l = userdata;
1643 int r;
1644
1645 assert(bus);
1646 assert(member);
1647 assert(m);
1648 assert(l);
1649
1650 r = sd_bus_message_enter_container(m, 'a', extended ? "(iiayqs)" : "(iiay)");
1651 if (r < 0)
1652 return r;
1653
1654 for (;;) {
1655 _cleanup_free_ char *pretty = NULL;
1656
1657 r = read_dns_server_one(m, true, extended, &pretty);
1658 if (r < 0)
1659 return r;
1660 if (r == 0)
1661 break;
1662
1663 if (isempty(pretty))
1664 continue;
1665
1666 r = strv_consume(l, TAKE_PTR(pretty));
1667 if (r < 0)
1668 return r;
1669 }
1670
1671 r = sd_bus_message_exit_container(m);
1672 if (r < 0)
1673 return r;
1674
1675 return 0;
1676 }
1677
1678 static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1679 return map_global_dns_servers_internal(bus, member, m, error, userdata, false);
1680 }
1681
1682 static int map_global_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1683 return map_global_dns_servers_internal(bus, member, m, error, userdata, true);
1684 }
1685
1686 static int map_global_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1687 assert(m);
1688 assert(userdata);
1689
1690 return read_dns_server_one(m, true, false, userdata);
1691 }
1692
1693 static int map_global_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1694 assert(m);
1695 assert(userdata);
1696
1697 return read_dns_server_one(m, true, true, userdata);
1698 }
1699
1700 static int map_global_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1701 char ***l = userdata;
1702 int r;
1703
1704 assert(bus);
1705 assert(member);
1706 assert(m);
1707 assert(l);
1708
1709 r = sd_bus_message_enter_container(m, 'a', "(isb)");
1710 if (r < 0)
1711 return r;
1712
1713 for (;;) {
1714 _cleanup_free_ char *pretty = NULL;
1715
1716 r = read_domain_one(m, true, &pretty);
1717 if (r < 0)
1718 return r;
1719 if (r == 0)
1720 break;
1721
1722 if (isempty(pretty))
1723 continue;
1724
1725 r = strv_consume(l, TAKE_PTR(pretty));
1726 if (r < 0)
1727 return r;
1728 }
1729
1730 r = sd_bus_message_exit_container(m);
1731 if (r < 0)
1732 return r;
1733
1734 strv_sort(*l);
1735
1736 return 0;
1737 }
1738
1739 static int status_global(sd_bus *bus, StatusMode mode, bool *empty_line) {
1740 static const struct bus_properties_map property_map[] = {
1741 { "DNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, dns) },
1742 { "DNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, dns_ex) },
1743 { "FallbackDNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, fallback_dns) },
1744 { "FallbackDNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, fallback_dns_ex) },
1745 { "CurrentDNSServer", "(iiay)", map_global_current_dns_server, offsetof(GlobalInfo, current_dns) },
1746 { "CurrentDNSServerEx", "(iiayqs)", map_global_current_dns_server_ex, offsetof(GlobalInfo, current_dns_ex) },
1747 { "Domains", "a(isb)", map_global_domains, offsetof(GlobalInfo, domains) },
1748 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(GlobalInfo, ntas) },
1749 { "LLMNR", "s", NULL, offsetof(GlobalInfo, llmnr) },
1750 { "MulticastDNS", "s", NULL, offsetof(GlobalInfo, mdns) },
1751 { "DNSOverTLS", "s", NULL, offsetof(GlobalInfo, dns_over_tls) },
1752 { "DNSSEC", "s", NULL, offsetof(GlobalInfo, dnssec) },
1753 { "DNSSECSupported", "b", NULL, offsetof(GlobalInfo, dnssec_supported) },
1754 { "ResolvConfMode", "s", NULL, offsetof(GlobalInfo, resolv_conf_mode) },
1755 {}
1756 };
1757 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1758 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1759 _cleanup_(global_info_clear) GlobalInfo global_info = {};
1760 _cleanup_(table_unrefp) Table *table = NULL;
1761 int r;
1762
1763 assert(bus);
1764 assert(empty_line);
1765
1766 r = bus_map_all_properties(bus,
1767 "org.freedesktop.resolve1",
1768 "/org/freedesktop/resolve1",
1769 property_map,
1770 BUS_MAP_BOOLEAN_AS_BOOL,
1771 &error,
1772 &m,
1773 &global_info);
1774 if (r < 0)
1775 return log_error_errno(r, "Failed to get global data: %s", bus_error_message(&error, r));
1776
1777 (void) pager_open(arg_pager_flags);
1778
1779 if (mode == STATUS_DNS)
1780 return status_print_strv_global(global_info.dns_ex ?: global_info.dns);
1781
1782 if (mode == STATUS_DOMAIN)
1783 return status_print_strv_global(global_info.domains);
1784
1785 if (mode == STATUS_NTA)
1786 return status_print_strv_global(global_info.ntas);
1787
1788 if (mode == STATUS_LLMNR) {
1789 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1790 strna(global_info.llmnr));
1791
1792 return 0;
1793 }
1794
1795 if (mode == STATUS_MDNS) {
1796 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1797 strna(global_info.mdns));
1798
1799 return 0;
1800 }
1801
1802 if (mode == STATUS_PRIVATE) {
1803 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1804 strna(global_info.dns_over_tls));
1805
1806 return 0;
1807 }
1808
1809 if (mode == STATUS_DNSSEC) {
1810 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1811 strna(global_info.dnssec));
1812
1813 return 0;
1814 }
1815
1816 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
1817
1818 table = table_new("key", "value");
1819 if (!table)
1820 return log_oom();
1821
1822 table_set_header(table, false);
1823
1824 _cleanup_strv_free_ char **pstatus = global_protocol_status(&global_info);
1825 if (!pstatus)
1826 return log_oom();
1827
1828 r = table_add_many(table,
1829 TABLE_STRING, "Protocols:",
1830 TABLE_SET_ALIGN_PERCENT, 100,
1831 TABLE_STRV_WRAPPED, pstatus);
1832 if (r < 0)
1833 return table_log_add_error(r);
1834
1835 if (global_info.resolv_conf_mode) {
1836 r = table_add_many(table,
1837 TABLE_STRING, "resolv.conf mode:",
1838 TABLE_STRING, global_info.resolv_conf_mode);
1839 if (r < 0)
1840 return table_log_add_error(r);
1841 }
1842
1843 if (global_info.current_dns) {
1844 r = table_add_many(table,
1845 TABLE_STRING, "Current DNS Server:",
1846 TABLE_STRING, global_info.current_dns_ex ?: global_info.current_dns);
1847 if (r < 0)
1848 return table_log_add_error(r);
1849 }
1850
1851 r = dump_list(table, "DNS Servers:", global_info.dns_ex ?: global_info.dns);
1852 if (r < 0)
1853 return r;
1854
1855 r = dump_list(table, "Fallback DNS Servers:", global_info.fallback_dns_ex ?: global_info.fallback_dns);
1856 if (r < 0)
1857 return r;
1858
1859 r = dump_list(table, "DNS Domain:", global_info.domains);
1860 if (r < 0)
1861 return r;
1862
1863 r = table_print(table, NULL);
1864 if (r < 0)
1865 return table_log_print_error(r);
1866
1867 *empty_line = true;
1868
1869 return 0;
1870 }
1871
1872 static int status_all(sd_bus *bus, StatusMode mode) {
1873 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
1874 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1875 bool empty_line = false;
1876 int r;
1877
1878 assert(bus);
1879
1880 r = status_global(bus, mode, &empty_line);
1881 if (r < 0)
1882 return r;
1883
1884 r = sd_netlink_open(&rtnl);
1885 if (r < 0)
1886 return log_error_errno(r, "Failed to connect to netlink: %m");
1887
1888 r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
1889 if (r < 0)
1890 return rtnl_log_create_error(r);
1891
1892 r = sd_netlink_message_request_dump(req, true);
1893 if (r < 0)
1894 return rtnl_log_create_error(r);
1895
1896 r = sd_netlink_call(rtnl, req, 0, &reply);
1897 if (r < 0)
1898 return log_error_errno(r, "Failed to enumerate links: %m");
1899
1900 _cleanup_free_ InterfaceInfo *infos = NULL;
1901 size_t n_allocated = 0, n_infos = 0;
1902
1903 for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) {
1904 const char *name;
1905 int ifindex;
1906 uint16_t type;
1907
1908 r = sd_netlink_message_get_type(i, &type);
1909 if (r < 0)
1910 return rtnl_log_parse_error(r);
1911
1912 if (type != RTM_NEWLINK)
1913 continue;
1914
1915 r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
1916 if (r < 0)
1917 return rtnl_log_parse_error(r);
1918
1919 if (ifindex == LOOPBACK_IFINDEX)
1920 continue;
1921
1922 r = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
1923 if (r < 0)
1924 return rtnl_log_parse_error(r);
1925
1926 if (!GREEDY_REALLOC(infos, n_allocated, n_infos + 1))
1927 return log_oom();
1928
1929 infos[n_infos++] = (InterfaceInfo) { ifindex, name };
1930 }
1931
1932 typesafe_qsort(infos, n_infos, interface_info_compare);
1933
1934 r = 0;
1935 for (size_t i = 0; i < n_infos; i++) {
1936 int q = status_ifindex(bus, infos[i].index, infos[i].name, mode, &empty_line);
1937 if (q < 0 && r >= 0)
1938 r = q;
1939 }
1940
1941 return r;
1942 }
1943
1944 static int verb_status(int argc, char **argv, void *userdata) {
1945 sd_bus *bus = userdata;
1946 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1947 int r = 0;
1948
1949 if (argc > 1) {
1950 char **ifname;
1951 bool empty_line = false;
1952
1953 STRV_FOREACH(ifname, argv + 1) {
1954 int ifindex, q;
1955
1956 ifindex = resolve_interface(&rtnl, *ifname);
1957 if (ifindex < 0) {
1958 log_warning_errno(ifindex, "Failed to resolve interface \"%s\", ignoring: %m", *ifname);
1959 continue;
1960 }
1961
1962 q = status_ifindex(bus, ifindex, NULL, STATUS_ALL, &empty_line);
1963 if (q < 0)
1964 r = q;
1965 }
1966 } else
1967 r = status_all(bus, STATUS_ALL);
1968
1969 return r;
1970 }
1971
1972 static int call_dns(sd_bus *bus, char **dns, const BusLocator *locator, sd_bus_error *error, bool extended) {
1973 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
1974 char **p;
1975 int r;
1976
1977 r = bus_message_new_method_call(bus, &req, locator, extended ? "SetLinkDNSEx" : "SetLinkDNS");
1978 if (r < 0)
1979 return bus_log_create_error(r);
1980
1981 r = sd_bus_message_append(req, "i", arg_ifindex);
1982 if (r < 0)
1983 return bus_log_create_error(r);
1984
1985 r = sd_bus_message_open_container(req, 'a', extended ? "(iayqs)" : "(iay)");
1986 if (r < 0)
1987 return bus_log_create_error(r);
1988
1989 /* If only argument is the empty string, then call SetLinkDNS() with an
1990 * empty list, which will clear the list of domains for an interface. */
1991 if (!strv_equal(dns, STRV_MAKE("")))
1992 STRV_FOREACH(p, dns) {
1993 _cleanup_free_ char *name = NULL;
1994 struct in_addr_data data;
1995 uint16_t port;
1996 int ifindex;
1997
1998 r = in_addr_port_ifindex_name_from_string_auto(*p, &data.family, &data.address, &port, &ifindex, &name);
1999 if (r < 0)
2000 return log_error_errno(r, "Failed to parse DNS server address: %s", *p);
2001
2002 if (ifindex != 0 && ifindex != arg_ifindex)
2003 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid ifindex: %i", ifindex);
2004
2005 r = sd_bus_message_open_container(req, 'r', extended ? "iayqs" : "iay");
2006 if (r < 0)
2007 return bus_log_create_error(r);
2008
2009 r = sd_bus_message_append(req, "i", data.family);
2010 if (r < 0)
2011 return bus_log_create_error(r);
2012
2013 r = sd_bus_message_append_array(req, 'y', &data.address, FAMILY_ADDRESS_SIZE(data.family));
2014 if (r < 0)
2015 return bus_log_create_error(r);
2016
2017 if (extended) {
2018 r = sd_bus_message_append(req, "q", port);
2019 if (r < 0)
2020 return bus_log_create_error(r);
2021
2022 r = sd_bus_message_append(req, "s", name);
2023 if (r < 0)
2024 return bus_log_create_error(r);
2025 }
2026
2027 r = sd_bus_message_close_container(req);
2028 if (r < 0)
2029 return bus_log_create_error(r);
2030 }
2031
2032 r = sd_bus_message_close_container(req);
2033 if (r < 0)
2034 return bus_log_create_error(r);
2035
2036 r = sd_bus_call(bus, req, 0, error, NULL);
2037 if (r < 0 && extended && sd_bus_error_has_name(error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2038 sd_bus_error_free(error);
2039 return call_dns(bus, dns, locator, error, false);
2040 }
2041 return r;
2042 }
2043
2044 static int verb_dns(int argc, char **argv, void *userdata) {
2045 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2046 sd_bus *bus = userdata;
2047 int r;
2048
2049 assert(bus);
2050
2051 if (argc >= 2) {
2052 r = ifname_mangle(argv[1]);
2053 if (r < 0)
2054 return r;
2055 }
2056
2057 if (arg_ifindex <= 0)
2058 return status_all(bus, STATUS_DNS);
2059
2060 if (argc < 3)
2061 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNS, NULL);
2062
2063 r = call_dns(bus, argv + 2, bus_resolve_mgr, &error, true);
2064 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2065 sd_bus_error_free(&error);
2066
2067 r = call_dns(bus, argv + 2, bus_network_mgr, &error, true);
2068 }
2069 if (r < 0) {
2070 if (arg_ifindex_permissive &&
2071 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2072 return 0;
2073
2074 return log_error_errno(r, "Failed to set DNS configuration: %s", bus_error_message(&error, r));
2075 }
2076
2077 return 0;
2078 }
2079
2080 static int call_domain(sd_bus *bus, char **domain, const BusLocator *locator, sd_bus_error *error) {
2081 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2082 char **p;
2083 int r;
2084
2085 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDomains");
2086 if (r < 0)
2087 return bus_log_create_error(r);
2088
2089 r = sd_bus_message_append(req, "i", arg_ifindex);
2090 if (r < 0)
2091 return bus_log_create_error(r);
2092
2093 r = sd_bus_message_open_container(req, 'a', "(sb)");
2094 if (r < 0)
2095 return bus_log_create_error(r);
2096
2097 /* If only argument is the empty string, then call SetLinkDomains() with an
2098 * empty list, which will clear the list of domains for an interface. */
2099 if (!strv_equal(domain, STRV_MAKE("")))
2100 STRV_FOREACH(p, domain) {
2101 const char *n;
2102
2103 n = **p == '~' ? *p + 1 : *p;
2104
2105 r = dns_name_is_valid(n);
2106 if (r < 0)
2107 return log_error_errno(r, "Failed to validate specified domain %s: %m", n);
2108 if (r == 0)
2109 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2110 "Domain not valid: %s",
2111 n);
2112
2113 r = sd_bus_message_append(req, "(sb)", n, **p == '~');
2114 if (r < 0)
2115 return bus_log_create_error(r);
2116 }
2117
2118 r = sd_bus_message_close_container(req);
2119 if (r < 0)
2120 return bus_log_create_error(r);
2121
2122 return sd_bus_call(bus, req, 0, error, NULL);
2123 }
2124
2125 static int verb_domain(int argc, char **argv, void *userdata) {
2126 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2127 sd_bus *bus = userdata;
2128 int r;
2129
2130 assert(bus);
2131
2132 if (argc >= 2) {
2133 r = ifname_mangle(argv[1]);
2134 if (r < 0)
2135 return r;
2136 }
2137
2138 if (arg_ifindex <= 0)
2139 return status_all(bus, STATUS_DOMAIN);
2140
2141 if (argc < 3)
2142 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DOMAIN, NULL);
2143
2144 r = call_domain(bus, argv + 2, bus_resolve_mgr, &error);
2145 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2146 sd_bus_error_free(&error);
2147
2148 r = call_domain(bus, argv + 2, bus_network_mgr, &error);
2149 }
2150 if (r < 0) {
2151 if (arg_ifindex_permissive &&
2152 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2153 return 0;
2154
2155 return log_error_errno(r, "Failed to set domain configuration: %s", bus_error_message(&error, r));
2156 }
2157
2158 return 0;
2159 }
2160
2161 static int verb_default_route(int argc, char **argv, void *userdata) {
2162 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2163 sd_bus *bus = userdata;
2164 int r, b;
2165
2166 assert(bus);
2167
2168 if (argc >= 2) {
2169 r = ifname_mangle(argv[1]);
2170 if (r < 0)
2171 return r;
2172 }
2173
2174 if (arg_ifindex <= 0)
2175 return status_all(bus, STATUS_DEFAULT_ROUTE);
2176
2177 if (argc < 3)
2178 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DEFAULT_ROUTE, NULL);
2179
2180 b = parse_boolean(argv[2]);
2181 if (b < 0)
2182 return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]);
2183
2184 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2185 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2186 sd_bus_error_free(&error);
2187
2188 r = bus_call_method(bus, bus_network_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2189 }
2190 if (r < 0) {
2191 if (arg_ifindex_permissive &&
2192 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2193 return 0;
2194
2195 return log_error_errno(r, "Failed to set default route configuration: %s", bus_error_message(&error, r));
2196 }
2197
2198 return 0;
2199 }
2200
2201 static int verb_llmnr(int argc, char **argv, void *userdata) {
2202 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2203 sd_bus *bus = userdata;
2204 int r;
2205
2206 assert(bus);
2207
2208 if (argc >= 2) {
2209 r = ifname_mangle(argv[1]);
2210 if (r < 0)
2211 return r;
2212 }
2213
2214 if (arg_ifindex <= 0)
2215 return status_all(bus, STATUS_LLMNR);
2216
2217 if (argc < 3)
2218 return status_ifindex(bus, arg_ifindex, NULL, STATUS_LLMNR, NULL);
2219
2220 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2221 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2222 sd_bus_error_free(&error);
2223
2224 r = bus_call_method(bus, bus_network_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2225 }
2226 if (r < 0) {
2227 if (arg_ifindex_permissive &&
2228 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2229 return 0;
2230
2231 return log_error_errno(r, "Failed to set LLMNR configuration: %s", bus_error_message(&error, r));
2232 }
2233
2234 return 0;
2235 }
2236
2237 static int verb_mdns(int argc, char **argv, void *userdata) {
2238 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2239 sd_bus *bus = userdata;
2240 int r;
2241
2242 assert(bus);
2243
2244 if (argc >= 2) {
2245 r = ifname_mangle(argv[1]);
2246 if (r < 0)
2247 return r;
2248 }
2249
2250 if (arg_ifindex <= 0)
2251 return status_all(bus, STATUS_MDNS);
2252
2253 if (argc < 3)
2254 return status_ifindex(bus, arg_ifindex, NULL, STATUS_MDNS, NULL);
2255
2256 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkMulticastDNS", &error, NULL, "is", arg_ifindex, argv[2]);
2257 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2258 sd_bus_error_free(&error);
2259
2260 r = bus_call_method(
2261 bus,
2262 bus_network_mgr,
2263 "SetLinkMulticastDNS",
2264 &error,
2265 NULL,
2266 "is", arg_ifindex, argv[2]);
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 MulticastDNS configuration: %s", bus_error_message(&error, r));
2274 }
2275
2276 return 0;
2277 }
2278
2279 static int verb_dns_over_tls(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_PRIVATE);
2294
2295 if (argc < 3)
2296 return status_ifindex(bus, arg_ifindex, NULL, STATUS_PRIVATE, NULL);
2297
2298 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSOverTLS", &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(
2303 bus,
2304 bus_network_mgr,
2305 "SetLinkDNSOverTLS",
2306 &error,
2307 NULL,
2308 "is", arg_ifindex, argv[2]);
2309 }
2310 if (r < 0) {
2311 if (arg_ifindex_permissive &&
2312 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2313 return 0;
2314
2315 return log_error_errno(r, "Failed to set DNSOverTLS configuration: %s", bus_error_message(&error, r));
2316 }
2317
2318 return 0;
2319 }
2320
2321 static int verb_dnssec(int argc, char **argv, void *userdata) {
2322 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2323 sd_bus *bus = userdata;
2324 int r;
2325
2326 assert(bus);
2327
2328 if (argc >= 2) {
2329 r = ifname_mangle(argv[1]);
2330 if (r < 0)
2331 return r;
2332 }
2333
2334 if (arg_ifindex <= 0)
2335 return status_all(bus, STATUS_DNSSEC);
2336
2337 if (argc < 3)
2338 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNSSEC, NULL);
2339
2340 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2341 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2342 sd_bus_error_free(&error);
2343
2344 r = bus_call_method(bus, bus_network_mgr, "SetLinkDNSSEC", &error, NULL, "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 DNSSEC configuration: %s", bus_error_message(&error, r));
2352 }
2353
2354 return 0;
2355 }
2356
2357 static int call_nta(sd_bus *bus, char **nta, const BusLocator *locator, sd_bus_error *error) {
2358 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2359 int r;
2360
2361 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDNSSECNegativeTrustAnchors");
2362 if (r < 0)
2363 return bus_log_create_error(r);
2364
2365 r = sd_bus_message_append(req, "i", arg_ifindex);
2366 if (r < 0)
2367 return bus_log_create_error(r);
2368
2369 r = sd_bus_message_append_strv(req, nta);
2370 if (r < 0)
2371 return bus_log_create_error(r);
2372
2373 return sd_bus_call(bus, req, 0, error, NULL);
2374 }
2375
2376 static int verb_nta(int argc, char **argv, void *userdata) {
2377 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2378 sd_bus *bus = userdata;
2379 char **p;
2380 int r;
2381 bool clear;
2382
2383 assert(bus);
2384
2385 if (argc >= 2) {
2386 r = ifname_mangle(argv[1]);
2387 if (r < 0)
2388 return r;
2389 }
2390
2391 if (arg_ifindex <= 0)
2392 return status_all(bus, STATUS_NTA);
2393
2394 if (argc < 3)
2395 return status_ifindex(bus, arg_ifindex, NULL, STATUS_NTA, NULL);
2396
2397 /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
2398 * with an empty list, which will clear the list of domains for an interface. */
2399 clear = strv_equal(argv + 2, STRV_MAKE(""));
2400
2401 if (!clear)
2402 STRV_FOREACH(p, argv + 2) {
2403 r = dns_name_is_valid(*p);
2404 if (r < 0)
2405 return log_error_errno(r, "Failed to validate specified domain %s: %m", *p);
2406 if (r == 0)
2407 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2408 "Domain not valid: %s",
2409 *p);
2410 }
2411
2412 r = call_nta(bus, clear ? NULL : argv + 2, bus_resolve_mgr, &error);
2413 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2414 sd_bus_error_free(&error);
2415
2416 r = call_nta(bus, clear ? NULL : argv + 2, bus_network_mgr, &error);
2417 }
2418 if (r < 0) {
2419 if (arg_ifindex_permissive &&
2420 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2421 return 0;
2422
2423 return log_error_errno(r, "Failed to set DNSSEC NTA configuration: %s", bus_error_message(&error, r));
2424 }
2425
2426 return 0;
2427 }
2428
2429 static int verb_revert_link(int argc, char **argv, void *userdata) {
2430 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2431 sd_bus *bus = userdata;
2432 int r;
2433
2434 assert(bus);
2435
2436 if (argc >= 2) {
2437 r = ifname_mangle(argv[1]);
2438 if (r < 0)
2439 return r;
2440 }
2441
2442 if (arg_ifindex <= 0)
2443 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Interface argument required.");
2444
2445 r = bus_call_method(bus, bus_resolve_mgr, "RevertLink", &error, NULL, "i", arg_ifindex);
2446 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2447 sd_bus_error_free(&error);
2448
2449 r = bus_call_method(bus, bus_network_mgr, "RevertLinkDNS", &error, NULL, "i", arg_ifindex);
2450 }
2451 if (r < 0) {
2452 if (arg_ifindex_permissive &&
2453 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2454 return 0;
2455
2456 return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
2457 }
2458
2459 return 0;
2460 }
2461
2462 static int verb_log_level(int argc, char *argv[], void *userdata) {
2463 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2464 sd_bus *bus = userdata;
2465 int r;
2466
2467 assert(bus);
2468
2469 if (argc == 1) {
2470 _cleanup_free_ char *level = NULL;
2471
2472 r = sd_bus_get_property_string(
2473 bus,
2474 "org.freedesktop.resolve1",
2475 "/org/freedesktop/LogControl1",
2476 "org.freedesktop.LogControl1",
2477 "LogLevel",
2478 &error,
2479 &level);
2480 if (r < 0)
2481 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
2482
2483 puts(level);
2484
2485 } else {
2486 assert(argc == 2);
2487
2488 r = sd_bus_set_property(
2489 bus,
2490 "org.freedesktop.resolve1",
2491 "/org/freedesktop/LogControl1",
2492 "org.freedesktop.LogControl1",
2493 "LogLevel",
2494 &error,
2495 "s",
2496 argv[1]);
2497 if (r < 0)
2498 return log_error_errno(r, "Failed to set log level: %s", bus_error_message(&error, r));
2499 }
2500
2501 return 0;
2502 }
2503
2504 static void help_protocol_types(void) {
2505 if (arg_legend)
2506 puts("Known protocol types:");
2507 puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmdns-ipv4\nmdns-ipv6");
2508 }
2509
2510 static void help_dns_types(void) {
2511 if (arg_legend)
2512 puts("Known DNS RR types:");
2513
2514 DUMP_STRING_TABLE(dns_type, int, _DNS_TYPE_MAX);
2515 }
2516
2517 static void help_dns_classes(void) {
2518 if (arg_legend)
2519 puts("Known DNS RR classes:");
2520
2521 DUMP_STRING_TABLE(dns_class, int, _DNS_CLASS_MAX);
2522 }
2523
2524 static int compat_help(void) {
2525 _cleanup_free_ char *link = NULL;
2526 int r;
2527
2528 r = terminal_urlify_man("resolvectl", "1", &link);
2529 if (r < 0)
2530 return log_oom();
2531
2532 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
2533 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
2534 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
2535 "%1$s [OPTIONS...] --statistics\n"
2536 "%1$s [OPTIONS...] --reset-statistics\n"
2537 "\n"
2538 "%2$sResolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%3$s\n\n"
2539 " -h --help Show this help\n"
2540 " --version Show package version\n"
2541 " --no-pager Do not pipe output into a pager\n"
2542 " -4 Resolve IPv4 addresses\n"
2543 " -6 Resolve IPv6 addresses\n"
2544 " -i --interface=INTERFACE Look on interface\n"
2545 " -p --protocol=PROTO|help Look via protocol\n"
2546 " -t --type=TYPE|help Query RR with DNS type\n"
2547 " -c --class=CLASS|help Query RR with DNS class\n"
2548 " --service Resolve service (SRV)\n"
2549 " --service-address=BOOL Resolve address for services (default: yes)\n"
2550 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2551 " --openpgp Query OpenPGP public key\n"
2552 " --tlsa Query TLS public key\n"
2553 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2554 " --search=BOOL Use search domains for single-label names\n"
2555 " (default: yes)\n"
2556 " --raw[=payload|packet] Dump the answer as binary data\n"
2557 " --legend=BOOL Print headers and additional info (default: yes)\n"
2558 " --statistics Show resolver statistics\n"
2559 " --reset-statistics Reset resolver statistics\n"
2560 " --status Show link and server status\n"
2561 " --flush-caches Flush all local DNS caches\n"
2562 " --reset-server-features\n"
2563 " Forget learnt DNS server feature levels\n"
2564 " --set-dns=SERVER Set per-interface DNS server address\n"
2565 " --set-domain=DOMAIN Set per-interface search domain\n"
2566 " --set-llmnr=MODE Set per-interface LLMNR mode\n"
2567 " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
2568 " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
2569 " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
2570 " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
2571 " --revert Revert per-interface configuration\n"
2572 "\nSee the %4$s for details.\n"
2573 , program_invocation_short_name
2574 , ansi_highlight()
2575 , ansi_normal()
2576 , link
2577 );
2578
2579 return 0;
2580 }
2581
2582 static int native_help(void) {
2583 _cleanup_free_ char *link = NULL;
2584 int r;
2585
2586 r = terminal_urlify_man("resolvectl", "1", &link);
2587 if (r < 0)
2588 return log_oom();
2589
2590 printf("%s [OPTIONS...] COMMAND ...\n"
2591 "\n"
2592 "%sSend control commands to the network name resolution manager, or%s\n"
2593 "%sresolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%s\n"
2594 "\nCommands:\n"
2595 " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
2596 " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
2597 " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
2598 " tlsa DOMAIN[:PORT]... Query TLS public key\n"
2599 " status [LINK...] Show link and server status\n"
2600 " statistics Show resolver statistics\n"
2601 " reset-statistics Reset resolver statistics\n"
2602 " flush-caches Flush all local DNS caches\n"
2603 " reset-server-features Forget learnt DNS server feature levels\n"
2604 " dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
2605 " domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
2606 " default-route [LINK [BOOL]] Get/set per-interface default route flag\n"
2607 " llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
2608 " mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
2609 " dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
2610 " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
2611 " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
2612 " revert LINK Revert per-interface configuration\n"
2613 " log-level [LEVEL] Get/set logging threshold for systemd-resolved\n"
2614 "\nOptions:\n"
2615 " -h --help Show this help\n"
2616 " --version Show package version\n"
2617 " --no-pager Do not pipe output into a pager\n"
2618 " -4 Resolve IPv4 addresses\n"
2619 " -6 Resolve IPv6 addresses\n"
2620 " -i --interface=INTERFACE Look on interface\n"
2621 " -p --protocol=PROTO|help Look via protocol\n"
2622 " -t --type=TYPE|help Query RR with DNS type\n"
2623 " -c --class=CLASS|help Query RR with DNS class\n"
2624 " --service-address=BOOL Resolve address for services (default: yes)\n"
2625 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2626 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2627 " --search=BOOL Use search domains for single-label names\n"
2628 " (default: yes)\n"
2629 " --raw[=payload|packet] Dump the answer as binary data\n"
2630 " --legend=BOOL Print headers and additional info (default: yes)\n"
2631 "\nSee the %s for details.\n"
2632 , program_invocation_short_name
2633 , ansi_highlight()
2634 , ansi_normal()
2635 , ansi_highlight()
2636 , ansi_normal()
2637 , link
2638 );
2639
2640 return 0;
2641 }
2642
2643 static int verb_help(int argc, char **argv, void *userdata) {
2644 return native_help();
2645 }
2646
2647 static int compat_parse_argv(int argc, char *argv[]) {
2648 enum {
2649 ARG_VERSION = 0x100,
2650 ARG_LEGEND,
2651 ARG_SERVICE,
2652 ARG_CNAME,
2653 ARG_SERVICE_ADDRESS,
2654 ARG_SERVICE_TXT,
2655 ARG_OPENPGP,
2656 ARG_TLSA,
2657 ARG_RAW,
2658 ARG_SEARCH,
2659 ARG_STATISTICS,
2660 ARG_RESET_STATISTICS,
2661 ARG_STATUS,
2662 ARG_FLUSH_CACHES,
2663 ARG_RESET_SERVER_FEATURES,
2664 ARG_NO_PAGER,
2665 ARG_SET_DNS,
2666 ARG_SET_DOMAIN,
2667 ARG_SET_LLMNR,
2668 ARG_SET_MDNS,
2669 ARG_SET_PRIVATE,
2670 ARG_SET_DNSSEC,
2671 ARG_SET_NTA,
2672 ARG_REVERT_LINK,
2673 };
2674
2675 static const struct option options[] = {
2676 { "help", no_argument, NULL, 'h' },
2677 { "version", no_argument, NULL, ARG_VERSION },
2678 { "type", required_argument, NULL, 't' },
2679 { "class", required_argument, NULL, 'c' },
2680 { "legend", required_argument, NULL, ARG_LEGEND },
2681 { "interface", required_argument, NULL, 'i' },
2682 { "protocol", required_argument, NULL, 'p' },
2683 { "cname", required_argument, NULL, ARG_CNAME },
2684 { "service", no_argument, NULL, ARG_SERVICE },
2685 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2686 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2687 { "openpgp", no_argument, NULL, ARG_OPENPGP },
2688 { "tlsa", optional_argument, NULL, ARG_TLSA },
2689 { "raw", optional_argument, NULL, ARG_RAW },
2690 { "search", required_argument, NULL, ARG_SEARCH },
2691 { "statistics", no_argument, NULL, ARG_STATISTICS, },
2692 { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
2693 { "status", no_argument, NULL, ARG_STATUS },
2694 { "flush-caches", no_argument, NULL, ARG_FLUSH_CACHES },
2695 { "reset-server-features", no_argument, NULL, ARG_RESET_SERVER_FEATURES },
2696 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2697 { "set-dns", required_argument, NULL, ARG_SET_DNS },
2698 { "set-domain", required_argument, NULL, ARG_SET_DOMAIN },
2699 { "set-llmnr", required_argument, NULL, ARG_SET_LLMNR },
2700 { "set-mdns", required_argument, NULL, ARG_SET_MDNS },
2701 { "set-dnsovertls", required_argument, NULL, ARG_SET_PRIVATE },
2702 { "set-dnssec", required_argument, NULL, ARG_SET_DNSSEC },
2703 { "set-nta", required_argument, NULL, ARG_SET_NTA },
2704 { "revert", no_argument, NULL, ARG_REVERT_LINK },
2705 {}
2706 };
2707
2708 int c, r;
2709
2710 assert(argc >= 0);
2711 assert(argv);
2712
2713 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
2714 switch(c) {
2715
2716 case 'h':
2717 return compat_help();
2718
2719 case ARG_VERSION:
2720 return version();
2721
2722 case '4':
2723 arg_family = AF_INET;
2724 break;
2725
2726 case '6':
2727 arg_family = AF_INET6;
2728 break;
2729
2730 case 'i':
2731 r = ifname_mangle(optarg);
2732 if (r < 0)
2733 return r;
2734 break;
2735
2736 case 't':
2737 if (streq(optarg, "help")) {
2738 help_dns_types();
2739 return 0;
2740 }
2741
2742 r = dns_type_from_string(optarg);
2743 if (r < 0) {
2744 log_error("Failed to parse RR record type %s", optarg);
2745 return r;
2746 }
2747 arg_type = (uint16_t) r;
2748 assert((int) arg_type == r);
2749
2750 arg_mode = MODE_RESOLVE_RECORD;
2751 break;
2752
2753 case 'c':
2754 if (streq(optarg, "help")) {
2755 help_dns_classes();
2756 return 0;
2757 }
2758
2759 r = dns_class_from_string(optarg);
2760 if (r < 0) {
2761 log_error("Failed to parse RR record class %s", optarg);
2762 return r;
2763 }
2764 arg_class = (uint16_t) r;
2765 assert((int) arg_class == r);
2766
2767 break;
2768
2769 case ARG_LEGEND:
2770 r = parse_boolean(optarg);
2771 if (r < 0)
2772 return log_error_errno(r, "Failed to parse --legend= argument");
2773
2774 arg_legend = r;
2775 break;
2776
2777 case 'p':
2778 if (streq(optarg, "help")) {
2779 help_protocol_types();
2780 return 0;
2781 } else if (streq(optarg, "dns"))
2782 arg_flags |= SD_RESOLVED_DNS;
2783 else if (streq(optarg, "llmnr"))
2784 arg_flags |= SD_RESOLVED_LLMNR;
2785 else if (streq(optarg, "llmnr-ipv4"))
2786 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
2787 else if (streq(optarg, "llmnr-ipv6"))
2788 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
2789 else if (streq(optarg, "mdns"))
2790 arg_flags |= SD_RESOLVED_MDNS;
2791 else if (streq(optarg, "mdns-ipv4"))
2792 arg_flags |= SD_RESOLVED_MDNS_IPV4;
2793 else if (streq(optarg, "mdns-ipv6"))
2794 arg_flags |= SD_RESOLVED_MDNS_IPV6;
2795 else
2796 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2797 "Unknown protocol specifier: %s", optarg);
2798
2799 break;
2800
2801 case ARG_SERVICE:
2802 arg_mode = MODE_RESOLVE_SERVICE;
2803 break;
2804
2805 case ARG_OPENPGP:
2806 arg_mode = MODE_RESOLVE_OPENPGP;
2807 break;
2808
2809 case ARG_TLSA:
2810 arg_mode = MODE_RESOLVE_TLSA;
2811 if (!optarg || service_family_is_valid(optarg))
2812 arg_service_family = optarg;
2813 else
2814 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2815 "Unknown service family \"%s\".", optarg);
2816 break;
2817
2818 case ARG_RAW:
2819 if (on_tty())
2820 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
2821 "Refusing to write binary data to tty.");
2822
2823 if (optarg == NULL || streq(optarg, "payload"))
2824 arg_raw = RAW_PAYLOAD;
2825 else if (streq(optarg, "packet"))
2826 arg_raw = RAW_PACKET;
2827 else
2828 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2829 "Unknown --raw specifier \"%s\".",
2830 optarg);
2831
2832 arg_legend = false;
2833 break;
2834
2835 case ARG_CNAME:
2836 r = parse_boolean(optarg);
2837 if (r < 0)
2838 return log_error_errno(r, "Failed to parse --cname= argument.");
2839 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
2840 break;
2841
2842 case ARG_SERVICE_ADDRESS:
2843 r = parse_boolean(optarg);
2844 if (r < 0)
2845 return log_error_errno(r, "Failed to parse --service-address= argument.");
2846 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
2847 break;
2848
2849 case ARG_SERVICE_TXT:
2850 r = parse_boolean(optarg);
2851 if (r < 0)
2852 return log_error_errno(r, "Failed to parse --service-txt= argument.");
2853 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
2854 break;
2855
2856 case ARG_SEARCH:
2857 r = parse_boolean(optarg);
2858 if (r < 0)
2859 return log_error_errno(r, "Failed to parse --search argument.");
2860 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
2861 break;
2862
2863 case ARG_STATISTICS:
2864 arg_mode = MODE_STATISTICS;
2865 break;
2866
2867 case ARG_RESET_STATISTICS:
2868 arg_mode = MODE_RESET_STATISTICS;
2869 break;
2870
2871 case ARG_FLUSH_CACHES:
2872 arg_mode = MODE_FLUSH_CACHES;
2873 break;
2874
2875 case ARG_RESET_SERVER_FEATURES:
2876 arg_mode = MODE_RESET_SERVER_FEATURES;
2877 break;
2878
2879 case ARG_STATUS:
2880 arg_mode = MODE_STATUS;
2881 break;
2882
2883 case ARG_NO_PAGER:
2884 arg_pager_flags |= PAGER_DISABLE;
2885 break;
2886
2887 case ARG_SET_DNS:
2888 r = strv_extend(&arg_set_dns, optarg);
2889 if (r < 0)
2890 return log_oom();
2891
2892 arg_mode = MODE_SET_LINK;
2893 break;
2894
2895 case ARG_SET_DOMAIN:
2896 r = strv_extend(&arg_set_domain, optarg);
2897 if (r < 0)
2898 return log_oom();
2899
2900 arg_mode = MODE_SET_LINK;
2901 break;
2902
2903 case ARG_SET_LLMNR:
2904 arg_set_llmnr = optarg;
2905 arg_mode = MODE_SET_LINK;
2906 break;
2907
2908 case ARG_SET_MDNS:
2909 arg_set_mdns = optarg;
2910 arg_mode = MODE_SET_LINK;
2911 break;
2912
2913 case ARG_SET_PRIVATE:
2914 arg_set_dns_over_tls = optarg;
2915 arg_mode = MODE_SET_LINK;
2916 break;
2917
2918 case ARG_SET_DNSSEC:
2919 arg_set_dnssec = optarg;
2920 arg_mode = MODE_SET_LINK;
2921 break;
2922
2923 case ARG_SET_NTA:
2924 r = strv_extend(&arg_set_nta, optarg);
2925 if (r < 0)
2926 return log_oom();
2927
2928 arg_mode = MODE_SET_LINK;
2929 break;
2930
2931 case ARG_REVERT_LINK:
2932 arg_mode = MODE_REVERT_LINK;
2933 break;
2934
2935 case '?':
2936 return -EINVAL;
2937
2938 default:
2939 assert_not_reached("Unhandled option");
2940 }
2941
2942 if (arg_type == 0 && arg_class != 0)
2943 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2944 "--class= may only be used in conjunction with --type=.");
2945
2946 if (arg_type != 0 && arg_mode == MODE_RESOLVE_SERVICE)
2947 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2948 "--service and --type= may not be combined.");
2949
2950 if (arg_type != 0 && arg_class == 0)
2951 arg_class = DNS_CLASS_IN;
2952
2953 if (arg_class != 0 && arg_type == 0)
2954 arg_type = DNS_TYPE_A;
2955
2956 if (IN_SET(arg_mode, MODE_SET_LINK, MODE_REVERT_LINK)) {
2957
2958 if (arg_ifindex <= 0)
2959 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2960 "--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
2961 }
2962
2963 return 1 /* work to do */;
2964 }
2965
2966 static int native_parse_argv(int argc, char *argv[]) {
2967 enum {
2968 ARG_VERSION = 0x100,
2969 ARG_LEGEND,
2970 ARG_CNAME,
2971 ARG_SERVICE_ADDRESS,
2972 ARG_SERVICE_TXT,
2973 ARG_RAW,
2974 ARG_SEARCH,
2975 ARG_NO_PAGER,
2976 };
2977
2978 static const struct option options[] = {
2979 { "help", no_argument, NULL, 'h' },
2980 { "version", no_argument, NULL, ARG_VERSION },
2981 { "type", required_argument, NULL, 't' },
2982 { "class", required_argument, NULL, 'c' },
2983 { "legend", required_argument, NULL, ARG_LEGEND },
2984 { "interface", required_argument, NULL, 'i' },
2985 { "protocol", required_argument, NULL, 'p' },
2986 { "cname", required_argument, NULL, ARG_CNAME },
2987 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2988 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2989 { "raw", optional_argument, NULL, ARG_RAW },
2990 { "search", required_argument, NULL, ARG_SEARCH },
2991 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2992 {}
2993 };
2994
2995 int c, r;
2996
2997 assert(argc >= 0);
2998 assert(argv);
2999
3000 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
3001 switch(c) {
3002
3003 case 'h':
3004 return native_help();
3005
3006 case ARG_VERSION:
3007 return version();
3008
3009 case '4':
3010 arg_family = AF_INET;
3011 break;
3012
3013 case '6':
3014 arg_family = AF_INET6;
3015 break;
3016
3017 case 'i':
3018 r = ifname_mangle(optarg);
3019 if (r < 0)
3020 return r;
3021 break;
3022
3023 case 't':
3024 if (streq(optarg, "help")) {
3025 help_dns_types();
3026 return 0;
3027 }
3028
3029 r = dns_type_from_string(optarg);
3030 if (r < 0) {
3031 log_error("Failed to parse RR record type %s", optarg);
3032 return r;
3033 }
3034 arg_type = (uint16_t) r;
3035 assert((int) arg_type == r);
3036
3037 break;
3038
3039 case 'c':
3040 if (streq(optarg, "help")) {
3041 help_dns_classes();
3042 return 0;
3043 }
3044
3045 r = dns_class_from_string(optarg);
3046 if (r < 0) {
3047 log_error("Failed to parse RR record class %s", optarg);
3048 return r;
3049 }
3050 arg_class = (uint16_t) r;
3051 assert((int) arg_class == r);
3052
3053 break;
3054
3055 case ARG_LEGEND:
3056 r = parse_boolean(optarg);
3057 if (r < 0)
3058 return log_error_errno(r, "Failed to parse --legend= argument");
3059
3060 arg_legend = r;
3061 break;
3062
3063 case 'p':
3064 if (streq(optarg, "help")) {
3065 help_protocol_types();
3066 return 0;
3067 } else if (streq(optarg, "dns"))
3068 arg_flags |= SD_RESOLVED_DNS;
3069 else if (streq(optarg, "llmnr"))
3070 arg_flags |= SD_RESOLVED_LLMNR;
3071 else if (streq(optarg, "llmnr-ipv4"))
3072 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
3073 else if (streq(optarg, "llmnr-ipv6"))
3074 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
3075 else if (streq(optarg, "mdns"))
3076 arg_flags |= SD_RESOLVED_MDNS;
3077 else if (streq(optarg, "mdns-ipv4"))
3078 arg_flags |= SD_RESOLVED_MDNS_IPV4;
3079 else if (streq(optarg, "mdns-ipv6"))
3080 arg_flags |= SD_RESOLVED_MDNS_IPV6;
3081 else
3082 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3083 "Unknown protocol specifier: %s",
3084 optarg);
3085
3086 break;
3087
3088 case ARG_RAW:
3089 if (on_tty())
3090 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
3091 "Refusing to write binary data to tty.");
3092
3093 if (optarg == NULL || streq(optarg, "payload"))
3094 arg_raw = RAW_PAYLOAD;
3095 else if (streq(optarg, "packet"))
3096 arg_raw = RAW_PACKET;
3097 else
3098 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3099 "Unknown --raw specifier \"%s\".",
3100 optarg);
3101
3102 arg_legend = false;
3103 break;
3104
3105 case ARG_CNAME:
3106 r = parse_boolean(optarg);
3107 if (r < 0)
3108 return log_error_errno(r, "Failed to parse --cname= argument.");
3109 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
3110 break;
3111
3112 case ARG_SERVICE_ADDRESS:
3113 r = parse_boolean(optarg);
3114 if (r < 0)
3115 return log_error_errno(r, "Failed to parse --service-address= argument.");
3116 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
3117 break;
3118
3119 case ARG_SERVICE_TXT:
3120 r = parse_boolean(optarg);
3121 if (r < 0)
3122 return log_error_errno(r, "Failed to parse --service-txt= argument.");
3123 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
3124 break;
3125
3126 case ARG_SEARCH:
3127 r = parse_boolean(optarg);
3128 if (r < 0)
3129 return log_error_errno(r, "Failed to parse --search argument.");
3130 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
3131 break;
3132
3133 case ARG_NO_PAGER:
3134 arg_pager_flags |= PAGER_DISABLE;
3135 break;
3136
3137 case '?':
3138 return -EINVAL;
3139
3140 default:
3141 assert_not_reached("Unhandled option");
3142 }
3143
3144 if (arg_type == 0 && arg_class != 0)
3145 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3146 "--class= may only be used in conjunction with --type=.");
3147
3148 if (arg_type != 0 && arg_class == 0)
3149 arg_class = DNS_CLASS_IN;
3150
3151 if (arg_class != 0 && arg_type == 0)
3152 arg_type = DNS_TYPE_A;
3153
3154 return 1 /* work to do */;
3155 }
3156
3157 static int native_main(int argc, char *argv[], sd_bus *bus) {
3158
3159 static const Verb verbs[] = {
3160 { "help", VERB_ANY, VERB_ANY, 0, verb_help },
3161 { "status", VERB_ANY, VERB_ANY, VERB_DEFAULT, verb_status },
3162 { "query", 2, VERB_ANY, 0, verb_query },
3163 { "service", 2, 4, 0, verb_service },
3164 { "openpgp", 2, VERB_ANY, 0, verb_openpgp },
3165 { "tlsa", 2, VERB_ANY, 0, verb_tlsa },
3166 { "statistics", VERB_ANY, 1, 0, show_statistics },
3167 { "reset-statistics", VERB_ANY, 1, 0, reset_statistics },
3168 { "flush-caches", VERB_ANY, 1, 0, flush_caches },
3169 { "reset-server-features", VERB_ANY, 1, 0, reset_server_features },
3170 { "dns", VERB_ANY, VERB_ANY, 0, verb_dns },
3171 { "domain", VERB_ANY, VERB_ANY, 0, verb_domain },
3172 { "default-route", VERB_ANY, 3, 0, verb_default_route },
3173 { "llmnr", VERB_ANY, 3, 0, verb_llmnr },
3174 { "mdns", VERB_ANY, 3, 0, verb_mdns },
3175 { "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
3176 { "dnssec", VERB_ANY, 3, 0, verb_dnssec },
3177 { "nta", VERB_ANY, VERB_ANY, 0, verb_nta },
3178 { "revert", VERB_ANY, 2, 0, verb_revert_link },
3179 { "log-level", VERB_ANY, 2, 0, verb_log_level },
3180 {}
3181 };
3182
3183 return dispatch_verb(argc, argv, verbs, bus);
3184 }
3185
3186 static int translate(const char *verb, const char *single_arg, size_t num_args, char **args, sd_bus *bus) {
3187 char **fake, **p;
3188 size_t num;
3189
3190 assert(verb);
3191 assert(num_args == 0 || args);
3192
3193 num = !!single_arg + num_args + 1;
3194
3195 p = fake = newa0(char *, num + 1);
3196 *p++ = (char *) verb;
3197 if (single_arg)
3198 *p++ = (char *) single_arg;
3199 for (size_t i = 0; i < num_args; i++)
3200 *p++ = args[i];
3201
3202 optind = 0;
3203 return native_main((int) num, fake, bus);
3204 }
3205
3206 static int compat_main(int argc, char *argv[], sd_bus *bus) {
3207 int r = 0;
3208
3209 switch (arg_mode) {
3210 case MODE_RESOLVE_HOST:
3211 case MODE_RESOLVE_RECORD:
3212 return translate("query", NULL, argc - optind, argv + optind, bus);
3213
3214 case MODE_RESOLVE_SERVICE:
3215 return translate("service", NULL, argc - optind, argv + optind, bus);
3216
3217 case MODE_RESOLVE_OPENPGP:
3218 return translate("openpgp", NULL, argc - optind, argv + optind, bus);
3219
3220 case MODE_RESOLVE_TLSA:
3221 return translate("tlsa", arg_service_family, argc - optind, argv + optind, bus);
3222
3223 case MODE_STATISTICS:
3224 return translate("statistics", NULL, 0, NULL, bus);
3225
3226 case MODE_RESET_STATISTICS:
3227 return translate("reset-statistics", NULL, 0, NULL, bus);
3228
3229 case MODE_FLUSH_CACHES:
3230 return translate("flush-caches", NULL, 0, NULL, bus);
3231
3232 case MODE_RESET_SERVER_FEATURES:
3233 return translate("reset-server-features", NULL, 0, NULL, bus);
3234
3235 case MODE_STATUS:
3236 return translate("status", NULL, argc - optind, argv + optind, bus);
3237
3238 case MODE_SET_LINK:
3239 assert(arg_ifname);
3240
3241 if (arg_set_dns) {
3242 r = translate("dns", arg_ifname, strv_length(arg_set_dns), arg_set_dns, bus);
3243 if (r < 0)
3244 return r;
3245 }
3246
3247 if (arg_set_domain) {
3248 r = translate("domain", arg_ifname, strv_length(arg_set_domain), arg_set_domain, bus);
3249 if (r < 0)
3250 return r;
3251 }
3252
3253 if (arg_set_nta) {
3254 r = translate("nta", arg_ifname, strv_length(arg_set_nta), arg_set_nta, bus);
3255 if (r < 0)
3256 return r;
3257 }
3258
3259 if (arg_set_llmnr) {
3260 r = translate("llmnr", arg_ifname, 1, (char **) &arg_set_llmnr, bus);
3261 if (r < 0)
3262 return r;
3263 }
3264
3265 if (arg_set_mdns) {
3266 r = translate("mdns", arg_ifname, 1, (char **) &arg_set_mdns, bus);
3267 if (r < 0)
3268 return r;
3269 }
3270
3271 if (arg_set_dns_over_tls) {
3272 r = translate("dnsovertls", arg_ifname, 1, (char **) &arg_set_dns_over_tls, bus);
3273 if (r < 0)
3274 return r;
3275 }
3276
3277 if (arg_set_dnssec) {
3278 r = translate("dnssec", arg_ifname, 1, (char **) &arg_set_dnssec, bus);
3279 if (r < 0)
3280 return r;
3281 }
3282
3283 return r;
3284
3285 case MODE_REVERT_LINK:
3286 assert(arg_ifname);
3287
3288 return translate("revert", arg_ifname, 0, NULL, bus);
3289
3290 case _MODE_INVALID:
3291 assert_not_reached("invalid mode");
3292 }
3293
3294 return 0;
3295 }
3296
3297 static int run(int argc, char **argv) {
3298 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
3299 int r;
3300
3301 setlocale(LC_ALL, "");
3302 log_setup_cli();
3303
3304 if (streq(program_invocation_short_name, "resolvconf"))
3305 r = resolvconf_parse_argv(argc, argv);
3306 else if (streq(program_invocation_short_name, "systemd-resolve"))
3307 r = compat_parse_argv(argc, argv);
3308 else
3309 r = native_parse_argv(argc, argv);
3310 if (r <= 0)
3311 return r;
3312
3313 r = sd_bus_open_system(&bus);
3314 if (r < 0)
3315 return log_error_errno(r, "sd_bus_open_system: %m");
3316
3317 if (STR_IN_SET(program_invocation_short_name, "systemd-resolve", "resolvconf"))
3318 return compat_main(argc, argv, bus);
3319
3320 return native_main(argc, argv, bus);
3321 }
3322
3323 DEFINE_MAIN_FUNCTION(run);
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