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[thirdparty/systemd.git] / src / resolve / resolvectl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <getopt.h>
4 #include <locale.h>
5 #include <net/if.h>
6
7 #include "sd-bus.h"
8 #include "sd-netlink.h"
9
10 #include "af-list.h"
11 #include "alloc-util.h"
12 #include "bus-common-errors.h"
13 #include "bus-error.h"
14 #include "bus-locator.h"
15 #include "bus-map-properties.h"
16 #include "bus-message-util.h"
17 #include "dns-domain.h"
18 #include "escape.h"
19 #include "format-table.h"
20 #include "format-util.h"
21 #include "gcrypt-util.h"
22 #include "main-func.h"
23 #include "missing_network.h"
24 #include "netlink-util.h"
25 #include "pager.h"
26 #include "parse-util.h"
27 #include "pretty-print.h"
28 #include "resolvconf-compat.h"
29 #include "resolvectl.h"
30 #include "resolved-def.h"
31 #include "resolved-dns-packet.h"
32 #include "socket-netlink.h"
33 #include "sort-util.h"
34 #include "stdio-util.h"
35 #include "string-table.h"
36 #include "strv.h"
37 #include "terminal-util.h"
38 #include "utf8.h"
39 #include "verbs.h"
40
41 static int arg_family = AF_UNSPEC;
42 static int arg_ifindex = 0;
43 static char *arg_ifname = NULL;
44 static uint16_t arg_type = 0;
45 static uint16_t arg_class = 0;
46 static bool arg_legend = true;
47 static uint64_t arg_flags = 0;
48 static PagerFlags arg_pager_flags = 0;
49 bool arg_ifindex_permissive = false; /* If true, don't generate an error if the specified interface index doesn't exist */
50 static const char *arg_service_family = NULL;
51
52 typedef enum RawType {
53 RAW_NONE,
54 RAW_PAYLOAD,
55 RAW_PACKET,
56 } RawType;
57 static RawType arg_raw = RAW_NONE;
58
59 ExecutionMode arg_mode = MODE_RESOLVE_HOST;
60
61 char **arg_set_dns = NULL;
62 char **arg_set_domain = NULL;
63 static const char *arg_set_llmnr = NULL;
64 static const char *arg_set_mdns = NULL;
65 static const char *arg_set_dns_over_tls = NULL;
66 static const char *arg_set_dnssec = NULL;
67 static char **arg_set_nta = NULL;
68
69 STATIC_DESTRUCTOR_REGISTER(arg_ifname, freep);
70 STATIC_DESTRUCTOR_REGISTER(arg_set_dns, strv_freep);
71 STATIC_DESTRUCTOR_REGISTER(arg_set_domain, strv_freep);
72 STATIC_DESTRUCTOR_REGISTER(arg_set_nta, strv_freep);
73
74 typedef enum StatusMode {
75 STATUS_ALL,
76 STATUS_DNS,
77 STATUS_DOMAIN,
78 STATUS_DEFAULT_ROUTE,
79 STATUS_LLMNR,
80 STATUS_MDNS,
81 STATUS_PRIVATE,
82 STATUS_DNSSEC,
83 STATUS_NTA,
84 } StatusMode;
85
86 typedef struct InterfaceInfo {
87 int index;
88 const char *name;
89 } InterfaceInfo;
90
91 static int interface_info_compare(const InterfaceInfo *a, const InterfaceInfo *b) {
92 int r;
93
94 r = CMP(a->index, b->index);
95 if (r != 0)
96 return r;
97
98 return strcmp_ptr(a->name, b->name);
99 }
100
101 int ifname_mangle(const char *s) {
102 _cleanup_free_ char *iface = NULL;
103 const char *dot;
104 int ifi;
105
106 assert(s);
107
108 dot = strchr(s, '.');
109 if (dot) {
110 log_debug("Ignoring protocol specifier '%s'.", dot + 1);
111 iface = strndup(s, dot - s);
112
113 } else
114 iface = strdup(s);
115 if (!iface)
116 return log_oom();
117
118 ifi = resolve_interface(NULL, iface);
119 if (ifi < 0) {
120 if (ifi == -ENODEV && arg_ifindex_permissive) {
121 log_debug("Interface '%s' not found, but -f specified, ignoring.", iface);
122 return 0; /* done */
123 }
124
125 return log_error_errno(ifi, "Failed to resolve interface \"%s\": %m", iface);
126 }
127
128 if (arg_ifindex > 0 && arg_ifindex != ifi)
129 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Specified multiple different interfaces. Refusing.");
130
131 arg_ifindex = ifi;
132 free_and_replace(arg_ifname, iface);
133
134 return 1;
135 }
136
137 static void print_source(uint64_t flags, usec_t rtt) {
138 char rtt_str[FORMAT_TIMESTAMP_MAX];
139
140 if (!arg_legend)
141 return;
142
143 if (flags == 0)
144 return;
145
146 printf("\n%s-- Information acquired via", ansi_grey());
147
148 if (flags != 0)
149 printf(" protocol%s%s%s%s%s",
150 flags & SD_RESOLVED_DNS ? " DNS" :"",
151 flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
152 flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
153 flags & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
154 flags & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
155
156 assert_se(format_timespan(rtt_str, sizeof(rtt_str), rtt, 100));
157
158 printf(" in %s.%s\n"
159 "%s-- Data is authenticated: %s%s\n",
160 rtt_str, ansi_normal(),
161 ansi_grey(), yes_no(flags & SD_RESOLVED_AUTHENTICATED), ansi_normal());
162 }
163
164 static void print_ifindex_comment(int printed_so_far, int ifindex) {
165 char ifname[IF_NAMESIZE + 1];
166
167 if (ifindex <= 0)
168 return;
169
170 if (!format_ifname(ifindex, ifname))
171 log_warning_errno(errno, "Failed to resolve interface name for index %i, ignoring: %m", ifindex);
172 else
173 printf("%*s%s-- link: %s%s",
174 60 > printed_so_far ? 60 - printed_so_far : 0, " ", /* Align comment to the 60th column */
175 ansi_grey(), ifname, ansi_normal());
176 }
177
178 static int resolve_host(sd_bus *bus, const char *name) {
179 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
180 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
181 const char *canonical = NULL;
182 unsigned c = 0;
183 uint64_t flags;
184 usec_t ts;
185 int r;
186
187 assert(name);
188
189 log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
190
191 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveHostname");
192 if (r < 0)
193 return bus_log_create_error(r);
194
195 r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
196 if (r < 0)
197 return bus_log_create_error(r);
198
199 ts = now(CLOCK_MONOTONIC);
200
201 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
202 if (r < 0)
203 return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(&error, r));
204
205 ts = now(CLOCK_MONOTONIC) - ts;
206
207 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
208 if (r < 0)
209 return bus_log_parse_error(r);
210
211 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
212 _cleanup_free_ char *pretty = NULL;
213 int ifindex, family, k;
214 union in_addr_union a;
215
216 assert_cc(sizeof(int) == sizeof(int32_t));
217
218 r = sd_bus_message_read(reply, "i", &ifindex);
219 if (r < 0)
220 return bus_log_parse_error(r);
221
222 sd_bus_error_free(&error);
223 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
224 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
225 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
226
227 r = sd_bus_message_exit_container(reply);
228 if (r < 0)
229 return bus_log_parse_error(r);
230
231 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
232 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
233 continue;
234 }
235
236 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
237 if (r < 0)
238 return log_error_errno(r, "Failed to print address for %s: %m", name);
239
240 k = printf("%*s%s %s%s%s",
241 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
242 ansi_highlight(), pretty, ansi_normal());
243
244 print_ifindex_comment(k, ifindex);
245 fputc('\n', stdout);
246
247 c++;
248 }
249 if (r < 0)
250 return bus_log_parse_error(r);
251
252 r = sd_bus_message_exit_container(reply);
253 if (r < 0)
254 return bus_log_parse_error(r);
255
256 r = sd_bus_message_read(reply, "st", &canonical, &flags);
257 if (r < 0)
258 return bus_log_parse_error(r);
259
260 if (!streq(name, canonical))
261 printf("%*s%s (%s)\n",
262 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
263 canonical);
264
265 if (c == 0) {
266 log_error("%s: no addresses found", name);
267 return -ESRCH;
268 }
269
270 print_source(flags, ts);
271
272 return 0;
273 }
274
275 static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
276 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
277 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
278 _cleanup_free_ char *pretty = NULL;
279 uint64_t flags;
280 unsigned c = 0;
281 usec_t ts;
282 int r;
283
284 assert(bus);
285 assert(IN_SET(family, AF_INET, AF_INET6));
286 assert(address);
287
288 if (ifindex <= 0)
289 ifindex = arg_ifindex;
290
291 r = in_addr_ifindex_to_string(family, address, ifindex, &pretty);
292 if (r < 0)
293 return log_oom();
294
295 log_debug("Resolving %s.", pretty);
296
297 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveAddress");
298 if (r < 0)
299 return bus_log_create_error(r);
300
301 r = sd_bus_message_append(req, "ii", ifindex, family);
302 if (r < 0)
303 return bus_log_create_error(r);
304
305 r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
306 if (r < 0)
307 return bus_log_create_error(r);
308
309 r = sd_bus_message_append(req, "t", arg_flags);
310 if (r < 0)
311 return bus_log_create_error(r);
312
313 ts = now(CLOCK_MONOTONIC);
314
315 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
316 if (r < 0)
317 return log_error_errno(r, "%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
318
319 ts = now(CLOCK_MONOTONIC) - ts;
320
321 r = sd_bus_message_enter_container(reply, 'a', "(is)");
322 if (r < 0)
323 return bus_log_create_error(r);
324
325 while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
326 const char *n;
327 int k;
328
329 assert_cc(sizeof(int) == sizeof(int32_t));
330
331 r = sd_bus_message_read(reply, "is", &ifindex, &n);
332 if (r < 0)
333 return r;
334
335 r = sd_bus_message_exit_container(reply);
336 if (r < 0)
337 return r;
338
339 k = printf("%*s%s %s%s%s",
340 (int) strlen(pretty), c == 0 ? pretty : "",
341 c == 0 ? ":" : " ",
342 ansi_highlight(), n, ansi_normal());
343
344 print_ifindex_comment(k, ifindex);
345 fputc('\n', stdout);
346
347 c++;
348 }
349 if (r < 0)
350 return bus_log_parse_error(r);
351
352 r = sd_bus_message_exit_container(reply);
353 if (r < 0)
354 return bus_log_parse_error(r);
355
356 r = sd_bus_message_read(reply, "t", &flags);
357 if (r < 0)
358 return bus_log_parse_error(r);
359
360 if (c == 0) {
361 log_error("%s: no names found", pretty);
362 return -ESRCH;
363 }
364
365 print_source(flags, ts);
366
367 return 0;
368 }
369
370 static int output_rr_packet(const void *d, size_t l, int ifindex) {
371 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
372 _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
373 int r;
374
375 r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX);
376 if (r < 0)
377 return log_oom();
378
379 p->refuse_compression = true;
380
381 r = dns_packet_append_blob(p, d, l, NULL);
382 if (r < 0)
383 return log_oom();
384
385 r = dns_packet_read_rr(p, &rr, NULL, NULL);
386 if (r < 0)
387 return log_error_errno(r, "Failed to parse RR: %m");
388
389 if (arg_raw == RAW_PAYLOAD) {
390 void *data;
391 ssize_t k;
392
393 k = dns_resource_record_payload(rr, &data);
394 if (k < 0)
395 return log_error_errno(k, "Cannot dump RR: %m");
396 fwrite(data, 1, k, stdout);
397 } else {
398 const char *s;
399 int k;
400
401 s = dns_resource_record_to_string(rr);
402 if (!s)
403 return log_oom();
404
405 k = printf("%s", s);
406 print_ifindex_comment(k, ifindex);
407 fputc('\n', stdout);
408 }
409
410 return 0;
411 }
412
413 static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type, bool warn_missing) {
414 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
415 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
416 unsigned n = 0;
417 uint64_t flags;
418 int r;
419 usec_t ts;
420 bool needs_authentication = false;
421
422 assert(name);
423
424 log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(arg_ifname) ? "*" : arg_ifname);
425
426 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveRecord");
427 if (r < 0)
428 return bus_log_create_error(r);
429
430 r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
431 if (r < 0)
432 return bus_log_create_error(r);
433
434 ts = now(CLOCK_MONOTONIC);
435
436 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
437 if (r < 0) {
438 if (warn_missing || r != -ENXIO)
439 log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r));
440 return r;
441 }
442
443 ts = now(CLOCK_MONOTONIC) - ts;
444
445 r = sd_bus_message_enter_container(reply, 'a', "(iqqay)");
446 if (r < 0)
447 return bus_log_parse_error(r);
448
449 while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
450 uint16_t c, t;
451 int ifindex;
452 const void *d;
453 size_t l;
454
455 assert_cc(sizeof(int) == sizeof(int32_t));
456
457 r = sd_bus_message_read(reply, "iqq", &ifindex, &c, &t);
458 if (r < 0)
459 return bus_log_parse_error(r);
460
461 r = sd_bus_message_read_array(reply, 'y', &d, &l);
462 if (r < 0)
463 return bus_log_parse_error(r);
464
465 r = sd_bus_message_exit_container(reply);
466 if (r < 0)
467 return bus_log_parse_error(r);
468
469 if (arg_raw == RAW_PACKET) {
470 uint64_t u64 = htole64(l);
471
472 fwrite(&u64, sizeof(u64), 1, stdout);
473 fwrite(d, 1, l, stdout);
474 } else {
475 r = output_rr_packet(d, l, ifindex);
476 if (r < 0)
477 return r;
478 }
479
480 if (dns_type_needs_authentication(t))
481 needs_authentication = true;
482
483 n++;
484 }
485 if (r < 0)
486 return bus_log_parse_error(r);
487
488 r = sd_bus_message_exit_container(reply);
489 if (r < 0)
490 return bus_log_parse_error(r);
491
492 r = sd_bus_message_read(reply, "t", &flags);
493 if (r < 0)
494 return bus_log_parse_error(r);
495
496 if (n == 0) {
497 if (warn_missing)
498 log_error("%s: no records found", name);
499 return -ESRCH;
500 }
501
502 print_source(flags, ts);
503
504 if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
505 fflush(stdout);
506
507 fprintf(stderr, "\n%s"
508 "WARNING: The resources shown contain cryptographic key data which could not be\n"
509 " authenticated. It is not suitable to authenticate any communication.\n"
510 " This is usually indication that DNSSEC authentication was not enabled\n"
511 " or is not available for the selected protocol or DNS servers.%s\n",
512 ansi_highlight_red(),
513 ansi_normal());
514 }
515
516 return 0;
517 }
518
519 static int resolve_rfc4501(sd_bus *bus, const char *name) {
520 uint16_t type = 0, class = 0;
521 const char *p, *q, *n;
522 int r;
523
524 assert(bus);
525 assert(name);
526 assert(startswith(name, "dns:"));
527
528 /* Parse RFC 4501 dns: URIs */
529
530 p = name + 4;
531
532 if (p[0] == '/') {
533 const char *e;
534
535 if (p[1] != '/')
536 goto invalid;
537
538 e = strchr(p + 2, '/');
539 if (!e)
540 goto invalid;
541
542 if (e != p + 2)
543 log_warning("DNS authority specification not supported; ignoring specified authority.");
544
545 p = e + 1;
546 }
547
548 q = strchr(p, '?');
549 if (q) {
550 n = strndupa(p, q - p);
551 q++;
552
553 for (;;) {
554 const char *f;
555
556 f = startswith_no_case(q, "class=");
557 if (f) {
558 _cleanup_free_ char *t = NULL;
559 const char *e;
560
561 if (class != 0)
562 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
563 "DNS class specified twice.");
564
565 e = strchrnul(f, ';');
566 t = strndup(f, e - f);
567 if (!t)
568 return log_oom();
569
570 r = dns_class_from_string(t);
571 if (r < 0)
572 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
573 "Unknown DNS class %s.", t);
574
575 class = r;
576
577 if (*e == ';') {
578 q = e + 1;
579 continue;
580 }
581
582 break;
583 }
584
585 f = startswith_no_case(q, "type=");
586 if (f) {
587 _cleanup_free_ char *t = NULL;
588 const char *e;
589
590 if (type != 0)
591 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
592 "DNS type specified twice.");
593
594 e = strchrnul(f, ';');
595 t = strndup(f, e - f);
596 if (!t)
597 return log_oom();
598
599 r = dns_type_from_string(t);
600 if (r < 0)
601 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
602 "Unknown DNS type %s.", t);
603
604 type = r;
605
606 if (*e == ';') {
607 q = e + 1;
608 continue;
609 }
610
611 break;
612 }
613
614 goto invalid;
615 }
616 } else
617 n = p;
618
619 if (class == 0)
620 class = arg_class ?: DNS_CLASS_IN;
621 if (type == 0)
622 type = arg_type ?: DNS_TYPE_A;
623
624 return resolve_record(bus, n, class, type, true);
625
626 invalid:
627 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
628 "Invalid DNS URI: %s", name);
629 }
630
631 static int verb_query(int argc, char **argv, void *userdata) {
632 sd_bus *bus = userdata;
633 char **p;
634 int q, r = 0;
635
636 if (arg_type != 0)
637 STRV_FOREACH(p, argv + 1) {
638 q = resolve_record(bus, *p, arg_class, arg_type, true);
639 if (q < 0)
640 r = q;
641 }
642
643 else
644 STRV_FOREACH(p, argv + 1) {
645 if (startswith(*p, "dns:"))
646 q = resolve_rfc4501(bus, *p);
647 else {
648 int family, ifindex;
649 union in_addr_union a;
650
651 q = in_addr_ifindex_from_string_auto(*p, &family, &a, &ifindex);
652 if (q >= 0)
653 q = resolve_address(bus, family, &a, ifindex);
654 else
655 q = resolve_host(bus, *p);
656 }
657 if (q < 0)
658 r = q;
659 }
660
661 return r;
662 }
663
664 static int resolve_service(sd_bus *bus, const char *name, const char *type, const char *domain) {
665 const char *canonical_name, *canonical_type, *canonical_domain;
666 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
667 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
668 size_t indent, sz;
669 uint64_t flags;
670 const char *p;
671 unsigned c;
672 usec_t ts;
673 int r;
674
675 assert(bus);
676 assert(domain);
677
678 name = empty_to_null(name);
679 type = empty_to_null(type);
680
681 if (name)
682 log_debug("Resolving service \"%s\" of type %s in %s (family %s, interface %s).", name, type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
683 else if (type)
684 log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
685 else
686 log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
687
688 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveService");
689 if (r < 0)
690 return bus_log_create_error(r);
691
692 r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
693 if (r < 0)
694 return bus_log_create_error(r);
695
696 ts = now(CLOCK_MONOTONIC);
697
698 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
699 if (r < 0)
700 return log_error_errno(r, "Resolve call failed: %s", bus_error_message(&error, r));
701
702 ts = now(CLOCK_MONOTONIC) - ts;
703
704 r = sd_bus_message_enter_container(reply, 'a', "(qqqsa(iiay)s)");
705 if (r < 0)
706 return bus_log_parse_error(r);
707
708 indent =
709 (name ? strlen(name) + 1 : 0) +
710 (type ? strlen(type) + 1 : 0) +
711 strlen(domain) + 2;
712
713 c = 0;
714 while ((r = sd_bus_message_enter_container(reply, 'r', "qqqsa(iiay)s")) > 0) {
715 uint16_t priority, weight, port;
716 const char *hostname, *canonical;
717
718 r = sd_bus_message_read(reply, "qqqs", &priority, &weight, &port, &hostname);
719 if (r < 0)
720 return bus_log_parse_error(r);
721
722 if (name)
723 printf("%*s%s", (int) strlen(name), c == 0 ? name : "", c == 0 ? "/" : " ");
724 if (type)
725 printf("%*s%s", (int) strlen(type), c == 0 ? type : "", c == 0 ? "/" : " ");
726
727 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
728 (int) strlen(domain), c == 0 ? domain : "",
729 c == 0 ? ":" : " ",
730 hostname, port,
731 priority, weight);
732
733 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
734 if (r < 0)
735 return bus_log_parse_error(r);
736
737 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
738 _cleanup_free_ char *pretty = NULL;
739 int ifindex, family, k;
740 union in_addr_union a;;
741
742 assert_cc(sizeof(int) == sizeof(int32_t));
743
744 r = sd_bus_message_read(reply, "i", &ifindex);
745 if (r < 0)
746 return bus_log_parse_error(r);
747
748 sd_bus_error_free(&error);
749 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
750 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
751 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
752
753 r = sd_bus_message_exit_container(reply);
754 if (r < 0)
755 return bus_log_parse_error(r);
756
757 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
758 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
759 continue;
760 }
761
762 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
763 if (r < 0)
764 return log_error_errno(r, "Failed to print address for %s: %m", name);
765
766 k = printf("%*s%s", (int) indent, "", pretty);
767 print_ifindex_comment(k, ifindex);
768 fputc('\n', stdout);
769 }
770 if (r < 0)
771 return bus_log_parse_error(r);
772
773 r = sd_bus_message_exit_container(reply);
774 if (r < 0)
775 return bus_log_parse_error(r);
776
777 r = sd_bus_message_read(reply, "s", &canonical);
778 if (r < 0)
779 return bus_log_parse_error(r);
780
781 if (!streq(hostname, canonical))
782 printf("%*s(%s)\n", (int) indent, "", canonical);
783
784 r = sd_bus_message_exit_container(reply);
785 if (r < 0)
786 return bus_log_parse_error(r);
787
788 c++;
789 }
790 if (r < 0)
791 return bus_log_parse_error(r);
792
793 r = sd_bus_message_exit_container(reply);
794 if (r < 0)
795 return bus_log_parse_error(r);
796
797 r = sd_bus_message_enter_container(reply, 'a', "ay");
798 if (r < 0)
799 return bus_log_parse_error(r);
800
801 while ((r = sd_bus_message_read_array(reply, 'y', (const void**) &p, &sz)) > 0) {
802 _cleanup_free_ char *escaped = NULL;
803
804 escaped = cescape_length(p, sz);
805 if (!escaped)
806 return log_oom();
807
808 printf("%*s%s\n", (int) indent, "", escaped);
809 }
810 if (r < 0)
811 return bus_log_parse_error(r);
812
813 r = sd_bus_message_exit_container(reply);
814 if (r < 0)
815 return bus_log_parse_error(r);
816
817 r = sd_bus_message_read(reply, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
818 if (r < 0)
819 return bus_log_parse_error(r);
820
821 canonical_name = empty_to_null(canonical_name);
822 canonical_type = empty_to_null(canonical_type);
823
824 if (!streq_ptr(name, canonical_name) ||
825 !streq_ptr(type, canonical_type) ||
826 !streq_ptr(domain, canonical_domain)) {
827
828 printf("%*s(", (int) indent, "");
829
830 if (canonical_name)
831 printf("%s/", canonical_name);
832 if (canonical_type)
833 printf("%s/", canonical_type);
834
835 printf("%s)\n", canonical_domain);
836 }
837
838 print_source(flags, ts);
839
840 return 0;
841 }
842
843 static int verb_service(int argc, char **argv, void *userdata) {
844 sd_bus *bus = userdata;
845
846 if (argc == 2)
847 return resolve_service(bus, NULL, NULL, argv[1]);
848 else if (argc == 3)
849 return resolve_service(bus, NULL, argv[1], argv[2]);
850 else
851 return resolve_service(bus, argv[1], argv[2], argv[3]);
852 }
853
854 static int resolve_openpgp(sd_bus *bus, const char *address) {
855 const char *domain, *full;
856 int r;
857 _cleanup_free_ char *hashed = NULL;
858
859 assert(bus);
860 assert(address);
861
862 domain = strrchr(address, '@');
863 if (!domain)
864 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
865 "Address does not contain '@': \"%s\"", address);
866 if (domain == address || domain[1] == '\0')
867 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
868 "Address starts or ends with '@': \"%s\"", address);
869 domain++;
870
871 r = string_hashsum_sha256(address, domain - 1 - address, &hashed);
872 if (r < 0)
873 return log_error_errno(r, "Hashing failed: %m");
874
875 strshorten(hashed, 56);
876
877 full = strjoina(hashed, "._openpgpkey.", domain);
878 log_debug("Looking up \"%s\".", full);
879
880 r = resolve_record(bus, full,
881 arg_class ?: DNS_CLASS_IN,
882 arg_type ?: DNS_TYPE_OPENPGPKEY, false);
883
884 if (IN_SET(r, -ENXIO, -ESRCH)) { /* NXDOMAIN or NODATA? */
885 hashed = mfree(hashed);
886 r = string_hashsum_sha224(address, domain - 1 - address, &hashed);
887 if (r < 0)
888 return log_error_errno(r, "Hashing failed: %m");
889
890 full = strjoina(hashed, "._openpgpkey.", domain);
891 log_debug("Looking up \"%s\".", full);
892
893 return resolve_record(bus, full,
894 arg_class ?: DNS_CLASS_IN,
895 arg_type ?: DNS_TYPE_OPENPGPKEY, true);
896 }
897
898 return r;
899 }
900
901 static int verb_openpgp(int argc, char **argv, void *userdata) {
902 sd_bus *bus = userdata;
903 char **p;
904 int q, r = 0;
905
906 STRV_FOREACH(p, argv + 1) {
907 q = resolve_openpgp(bus, *p);
908 if (q < 0)
909 r = q;
910 }
911
912 return r;
913 }
914
915 static int resolve_tlsa(sd_bus *bus, const char *family, const char *address) {
916 const char *port;
917 uint16_t port_num = 443;
918 _cleanup_free_ char *full = NULL;
919 int r;
920
921 assert(bus);
922 assert(address);
923
924 port = strrchr(address, ':');
925 if (port) {
926 r = parse_ip_port(port + 1, &port_num);
927 if (r < 0)
928 return log_error_errno(r, "Invalid port \"%s\".", port + 1);
929
930 address = strndupa(address, port - address);
931 }
932
933 r = asprintf(&full, "_%u._%s.%s",
934 port_num,
935 family,
936 address);
937 if (r < 0)
938 return log_oom();
939
940 log_debug("Looking up \"%s\".", full);
941
942 return resolve_record(bus, full,
943 arg_class ?: DNS_CLASS_IN,
944 arg_type ?: DNS_TYPE_TLSA, true);
945 }
946
947 static bool service_family_is_valid(const char *s) {
948 return STR_IN_SET(s, "tcp", "udp", "sctp");
949 }
950
951 static int verb_tlsa(int argc, char **argv, void *userdata) {
952 sd_bus *bus = userdata;
953 char **p, **args = argv + 1;
954 const char *family = "tcp";
955 int q, r = 0;
956
957 if (service_family_is_valid(argv[1])) {
958 family = argv[1];
959 args++;
960 }
961
962 STRV_FOREACH(p, args) {
963 q = resolve_tlsa(bus, family, *p);
964 if (q < 0)
965 r = q;
966 }
967
968 return r;
969 }
970
971 static int show_statistics(int argc, char **argv, void *userdata) {
972 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
973 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
974 _cleanup_(table_unrefp) Table *table = NULL;
975 sd_bus *bus = userdata;
976 uint64_t n_current_transactions, n_total_transactions,
977 cache_size, n_cache_hit, n_cache_miss,
978 n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
979 int r, dnssec_supported;
980
981 assert(bus);
982
983 r = bus_get_property_trivial(bus, bus_resolve_mgr, "DNSSECSupported", &error, 'b', &dnssec_supported);
984 if (r < 0)
985 return log_error_errno(r, "Failed to get DNSSEC supported state: %s", bus_error_message(&error, r));
986
987 printf("DNSSEC supported by current servers: %s%s%s\n\n",
988 ansi_highlight(),
989 yes_no(dnssec_supported),
990 ansi_normal());
991
992 r = bus_get_property(bus, bus_resolve_mgr, "TransactionStatistics", &error, &reply, "(tt)");
993 if (r < 0)
994 return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
995
996 r = sd_bus_message_read(reply, "(tt)",
997 &n_current_transactions,
998 &n_total_transactions);
999 if (r < 0)
1000 return bus_log_parse_error(r);
1001
1002 reply = sd_bus_message_unref(reply);
1003
1004 r = bus_get_property(bus, bus_resolve_mgr, "CacheStatistics", &error, &reply, "(ttt)");
1005 if (r < 0)
1006 return log_error_errno(r, "Failed to get cache statistics: %s", bus_error_message(&error, r));
1007
1008 r = sd_bus_message_read(reply, "(ttt)",
1009 &cache_size,
1010 &n_cache_hit,
1011 &n_cache_miss);
1012 if (r < 0)
1013 return bus_log_parse_error(r);
1014
1015 reply = sd_bus_message_unref(reply);
1016
1017 r = bus_get_property(bus, bus_resolve_mgr, "DNSSECStatistics", &error, &reply, "(tttt)");
1018 if (r < 0)
1019 return log_error_errno(r, "Failed to get DNSSEC statistics: %s", bus_error_message(&error, r));
1020
1021 r = sd_bus_message_read(reply, "(tttt)",
1022 &n_dnssec_secure,
1023 &n_dnssec_insecure,
1024 &n_dnssec_bogus,
1025 &n_dnssec_indeterminate);
1026 if (r < 0)
1027 return bus_log_parse_error(r);
1028
1029 table = table_new("key", "value");
1030 if (!table)
1031 return log_oom();
1032
1033 table_set_header(table, false);
1034
1035 r = table_add_many(table,
1036 TABLE_STRING, "Transactions",
1037 TABLE_SET_COLOR, ansi_highlight(),
1038 TABLE_EMPTY,
1039 TABLE_STRING, "Current Transactions:",
1040 TABLE_SET_ALIGN_PERCENT, 100,
1041 TABLE_UINT64, n_current_transactions,
1042 TABLE_STRING, "Total Transactions:",
1043 TABLE_UINT64, n_total_transactions,
1044 TABLE_EMPTY, TABLE_EMPTY,
1045 TABLE_STRING, "Cache",
1046 TABLE_SET_COLOR, ansi_highlight(),
1047 TABLE_SET_ALIGN_PERCENT, 0,
1048 TABLE_EMPTY,
1049 TABLE_STRING, "Current Cache Size:",
1050 TABLE_SET_ALIGN_PERCENT, 100,
1051 TABLE_UINT64, cache_size,
1052 TABLE_STRING, "Cache Hits:",
1053 TABLE_UINT64, n_cache_hit,
1054 TABLE_STRING, "Cache Misses:",
1055 TABLE_UINT64, n_cache_miss,
1056 TABLE_EMPTY, TABLE_EMPTY,
1057 TABLE_STRING, "DNSSEC Verdicts",
1058 TABLE_SET_COLOR, ansi_highlight(),
1059 TABLE_SET_ALIGN_PERCENT, 0,
1060 TABLE_EMPTY,
1061 TABLE_STRING, "Secure:",
1062 TABLE_SET_ALIGN_PERCENT, 100,
1063 TABLE_UINT64, n_dnssec_secure,
1064 TABLE_STRING, "Insecure:",
1065 TABLE_UINT64, n_dnssec_insecure,
1066 TABLE_STRING, "Bogus:",
1067 TABLE_UINT64, n_dnssec_bogus,
1068 TABLE_STRING, "Indeterminate:",
1069 TABLE_UINT64, n_dnssec_indeterminate);
1070 if (r < 0)
1071 table_log_add_error(r);
1072
1073 r = table_print(table, NULL);
1074 if (r < 0)
1075 return table_log_print_error(r);
1076
1077 return 0;
1078 }
1079
1080 static int reset_statistics(int argc, char **argv, void *userdata) {
1081 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1082 sd_bus *bus = userdata;
1083 int r;
1084
1085 r = bus_call_method(bus, bus_resolve_mgr, "ResetStatistics", &error, NULL, NULL);
1086 if (r < 0)
1087 return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
1088
1089 return 0;
1090 }
1091
1092 static int flush_caches(int argc, char **argv, void *userdata) {
1093 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1094 sd_bus *bus = userdata;
1095 int r;
1096
1097 r = bus_call_method(bus, bus_resolve_mgr, "FlushCaches", &error, NULL, NULL);
1098 if (r < 0)
1099 return log_error_errno(r, "Failed to flush caches: %s", bus_error_message(&error, r));
1100
1101 return 0;
1102 }
1103
1104 static int reset_server_features(int argc, char **argv, void *userdata) {
1105 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1106 sd_bus *bus = userdata;
1107 int r;
1108
1109 r = bus_call_method(bus, bus_resolve_mgr, "ResetServerFeatures", &error, NULL, NULL);
1110 if (r < 0)
1111 return log_error_errno(r, "Failed to reset server features: %s", bus_error_message(&error, r));
1112
1113 return 0;
1114 }
1115
1116 static int read_dns_server_one(sd_bus_message *m, bool with_ifindex, bool extended, char **ret) {
1117 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1118 _cleanup_free_ char *pretty = NULL;
1119 int ifindex, family, r, k;
1120 union in_addr_union a;
1121 const char *name = NULL;
1122 uint16_t port = 0;
1123
1124 assert(m);
1125 assert(ret);
1126
1127 r = sd_bus_message_enter_container(m, 'r', with_ifindex ? (extended ? "iiayqs" : "iiay") : (extended ? "iayqs" : "iay"));
1128 if (r <= 0)
1129 return r;
1130
1131 if (with_ifindex) {
1132 r = sd_bus_message_read(m, "i", &ifindex);
1133 if (r < 0)
1134 return r;
1135 }
1136
1137 k = bus_message_read_in_addr_auto(m, &error, &family, &a);
1138 if (k < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
1139 return k;
1140
1141 if (extended) {
1142 r = sd_bus_message_read(m, "q", &port);
1143 if (r < 0)
1144 return r;
1145
1146 r = sd_bus_message_read(m, "s", &name);
1147 if (r < 0)
1148 return r;
1149 }
1150
1151 r = sd_bus_message_exit_container(m);
1152 if (r < 0)
1153 return r;
1154
1155 if (k < 0) {
1156 log_debug("Invalid DNS server, ignoring: %s", bus_error_message(&error, k));
1157 *ret = NULL;
1158 return 1;
1159 }
1160
1161 if (with_ifindex && ifindex != 0) {
1162 /* only show the global ones here */
1163 *ret = NULL;
1164 return 1;
1165 }
1166
1167 r = in_addr_port_ifindex_name_to_string(family, &a, port, ifindex, name, &pretty);
1168 if (r < 0)
1169 return r;
1170
1171 *ret = TAKE_PTR(pretty);
1172
1173 return 1;
1174 }
1175
1176 static int map_link_dns_servers_internal(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata, bool extended) {
1177 char ***l = userdata;
1178 int r;
1179
1180 assert(bus);
1181 assert(member);
1182 assert(m);
1183 assert(l);
1184
1185 r = sd_bus_message_enter_container(m, 'a', extended ? "(iayqs)" : "(iay)");
1186 if (r < 0)
1187 return r;
1188
1189 for (;;) {
1190 _cleanup_free_ char *pretty = NULL;
1191
1192 r = read_dns_server_one(m, false, extended, &pretty);
1193 if (r < 0)
1194 return r;
1195 if (r == 0)
1196 break;
1197
1198 if (isempty(pretty))
1199 continue;
1200
1201 r = strv_consume(l, TAKE_PTR(pretty));
1202 if (r < 0)
1203 return r;
1204 }
1205
1206 r = sd_bus_message_exit_container(m);
1207 if (r < 0)
1208 return r;
1209
1210 return 0;
1211 }
1212
1213 static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1214 return map_link_dns_servers_internal(bus, member, m, error, userdata, false);
1215 }
1216
1217 static int map_link_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1218 return map_link_dns_servers_internal(bus, member, m, error, userdata, true);
1219 }
1220
1221 static int map_link_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1222 assert(m);
1223 assert(userdata);
1224
1225 return read_dns_server_one(m, false, false, userdata);
1226 }
1227
1228 static int map_link_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1229 assert(m);
1230 assert(userdata);
1231
1232 return read_dns_server_one(m, false, true, userdata);
1233 }
1234
1235 static int read_domain_one(sd_bus_message *m, bool with_ifindex, char **ret) {
1236 _cleanup_free_ char *str = NULL;
1237 int ifindex, route_only, r;
1238 const char *domain;
1239
1240 assert(m);
1241 assert(ret);
1242
1243 if (with_ifindex)
1244 r = sd_bus_message_read(m, "(isb)", &ifindex, &domain, &route_only);
1245 else
1246 r = sd_bus_message_read(m, "(sb)", &domain, &route_only);
1247 if (r <= 0)
1248 return r;
1249
1250 if (with_ifindex && ifindex != 0) {
1251 /* only show the global ones here */
1252 *ret = NULL;
1253 return 1;
1254 }
1255
1256 if (route_only)
1257 str = strjoin("~", domain);
1258 else
1259 str = strdup(domain);
1260 if (!str)
1261 return -ENOMEM;
1262
1263 *ret = TAKE_PTR(str);
1264
1265 return 1;
1266 }
1267
1268 static int map_link_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1269 char ***l = userdata;
1270 int r;
1271
1272 assert(bus);
1273 assert(member);
1274 assert(m);
1275 assert(l);
1276
1277 r = sd_bus_message_enter_container(m, 'a', "(sb)");
1278 if (r < 0)
1279 return r;
1280
1281 for (;;) {
1282 _cleanup_free_ char *pretty = NULL;
1283
1284 r = read_domain_one(m, false, &pretty);
1285 if (r < 0)
1286 return r;
1287 if (r == 0)
1288 break;
1289
1290 if (isempty(pretty))
1291 continue;
1292
1293 r = strv_consume(l, TAKE_PTR(pretty));
1294 if (r < 0)
1295 return r;
1296 }
1297
1298 r = sd_bus_message_exit_container(m);
1299 if (r < 0)
1300 return r;
1301
1302 strv_sort(*l);
1303
1304 return 0;
1305 }
1306
1307 static int status_print_strv_ifindex(int ifindex, const char *ifname, char **p) {
1308 const unsigned indent = strlen("Global: "); /* Use the same indentation everywhere to make things nice */
1309 int pos1, pos2;
1310
1311 if (ifname)
1312 printf("%s%nLink %i (%s)%n%s:", ansi_highlight(), &pos1, ifindex, ifname, &pos2, ansi_normal());
1313 else
1314 printf("%s%nGlobal%n%s:", ansi_highlight(), &pos1, &pos2, ansi_normal());
1315
1316 size_t cols = columns(), position = pos2 - pos1 + 2;
1317 char **i;
1318
1319 STRV_FOREACH(i, p) {
1320 size_t our_len = utf8_console_width(*i); /* This returns -1 on invalid utf-8 (which shouldn't happen).
1321 * If that happens, we'll just print one item per line. */
1322
1323 if (position <= indent || size_add(size_add(position, 1), our_len) < cols) {
1324 printf(" %s", *i);
1325 position = size_add(size_add(position, 1), our_len);
1326 } else {
1327 printf("\n%*s%s", indent, "", *i);
1328 position = size_add(our_len, indent);
1329 }
1330 }
1331
1332 printf("\n");
1333
1334 return 0;
1335 }
1336
1337 static int status_print_strv_global(char **p) {
1338 return status_print_strv_ifindex(0, NULL, p);
1339 }
1340
1341 typedef struct LinkInfo {
1342 uint64_t scopes_mask;
1343 const char *llmnr;
1344 const char *mdns;
1345 const char *dns_over_tls;
1346 const char *dnssec;
1347 char *current_dns;
1348 char *current_dns_ex;
1349 char **dns;
1350 char **dns_ex;
1351 char **domains;
1352 char **ntas;
1353 bool dnssec_supported;
1354 bool default_route;
1355 } LinkInfo;
1356
1357 typedef struct GlobalInfo {
1358 char *current_dns;
1359 char *current_dns_ex;
1360 char **dns;
1361 char **dns_ex;
1362 char **fallback_dns;
1363 char **fallback_dns_ex;
1364 char **domains;
1365 char **ntas;
1366 const char *llmnr;
1367 const char *mdns;
1368 const char *dns_over_tls;
1369 const char *dnssec;
1370 const char *resolv_conf_mode;
1371 bool dnssec_supported;
1372 } GlobalInfo;
1373
1374 static void link_info_clear(LinkInfo *p) {
1375 free(p->current_dns);
1376 free(p->current_dns_ex);
1377 strv_free(p->dns);
1378 strv_free(p->dns_ex);
1379 strv_free(p->domains);
1380 strv_free(p->ntas);
1381 }
1382
1383 static void global_info_clear(GlobalInfo *p) {
1384 free(p->current_dns);
1385 free(p->current_dns_ex);
1386 strv_free(p->dns);
1387 strv_free(p->dns_ex);
1388 strv_free(p->fallback_dns);
1389 strv_free(p->fallback_dns_ex);
1390 strv_free(p->domains);
1391 strv_free(p->ntas);
1392 }
1393
1394 static int dump_list(Table *table, const char *prefix, char * const *l) {
1395 int r;
1396
1397 if (strv_isempty(l))
1398 return 0;
1399
1400 r = table_add_many(table,
1401 TABLE_STRING, prefix,
1402 TABLE_STRV, l);
1403 if (r < 0)
1404 return table_log_add_error(r);
1405
1406 return 0;
1407 }
1408
1409 static int strv_extend_extended_bool(char ***strv, const char *name, const char *value) {
1410 int r;
1411
1412 if (value) {
1413 r = parse_boolean(value);
1414 if (r >= 0)
1415 return strv_extendf(strv, "%s%s", plus_minus(r), name);
1416 }
1417
1418 return strv_extendf(strv, "%s=%s", name, value ?: "???");
1419 }
1420
1421 static char* link_protocol_status(const LinkInfo *info) {
1422 _cleanup_strv_free_ char **s = NULL;
1423
1424 if (strv_extendf(&s, "%sDefaultRoute", plus_minus(info->default_route)) < 0)
1425 return NULL;
1426
1427 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1428 return NULL;
1429
1430 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1431 return NULL;
1432
1433 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1434 return NULL;
1435
1436 if (strv_extendf(&s, "DNSSEC=%s/%s",
1437 info->dnssec ?: "???",
1438 info->dnssec_supported ? "supported" : "unsupported") < 0)
1439 return NULL;
1440
1441 return strv_join(s, " ");
1442 }
1443
1444 static char* global_protocol_status(const GlobalInfo *info) {
1445 _cleanup_strv_free_ char **s = NULL;
1446
1447 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1448 return NULL;
1449
1450 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1451 return NULL;
1452
1453 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1454 return NULL;
1455
1456 if (strv_extendf(&s, "DNSSEC=%s/%s",
1457 info->dnssec ?: "???",
1458 info->dnssec_supported ? "supported" : "unsupported") < 0)
1459 return NULL;
1460
1461 return strv_join(s, " ");
1462 }
1463
1464 static int status_ifindex(sd_bus *bus, int ifindex, const char *name, StatusMode mode, bool *empty_line) {
1465 static const struct bus_properties_map property_map[] = {
1466 { "ScopesMask", "t", NULL, offsetof(LinkInfo, scopes_mask) },
1467 { "DNS", "a(iay)", map_link_dns_servers, offsetof(LinkInfo, dns) },
1468 { "DNSEx", "a(iayqs)", map_link_dns_servers_ex, offsetof(LinkInfo, dns_ex) },
1469 { "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(LinkInfo, current_dns) },
1470 { "CurrentDNSServerEx", "(iayqs)", map_link_current_dns_server_ex, offsetof(LinkInfo, current_dns_ex) },
1471 { "Domains", "a(sb)", map_link_domains, offsetof(LinkInfo, domains) },
1472 { "DefaultRoute", "b", NULL, offsetof(LinkInfo, default_route) },
1473 { "LLMNR", "s", NULL, offsetof(LinkInfo, llmnr) },
1474 { "MulticastDNS", "s", NULL, offsetof(LinkInfo, mdns) },
1475 { "DNSOverTLS", "s", NULL, offsetof(LinkInfo, dns_over_tls) },
1476 { "DNSSEC", "s", NULL, offsetof(LinkInfo, dnssec) },
1477 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(LinkInfo, ntas) },
1478 { "DNSSECSupported", "b", NULL, offsetof(LinkInfo, dnssec_supported) },
1479 {}
1480 };
1481 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1482 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1483 _cleanup_(link_info_clear) LinkInfo link_info = {};
1484 _cleanup_(table_unrefp) Table *table = NULL;
1485 _cleanup_free_ char *p = NULL;
1486 char ifi[DECIMAL_STR_MAX(int)], ifname[IF_NAMESIZE + 1] = "";
1487 int r;
1488
1489 assert(bus);
1490 assert(ifindex > 0);
1491
1492 if (!name) {
1493 if (!format_ifname(ifindex, ifname))
1494 return log_error_errno(errno, "Failed to resolve interface name for %i: %m", ifindex);
1495
1496 name = ifname;
1497 }
1498
1499 xsprintf(ifi, "%i", ifindex);
1500 r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi, &p);
1501 if (r < 0)
1502 return log_oom();
1503
1504 r = bus_map_all_properties(bus,
1505 "org.freedesktop.resolve1",
1506 p,
1507 property_map,
1508 BUS_MAP_BOOLEAN_AS_BOOL,
1509 &error,
1510 &m,
1511 &link_info);
1512 if (r < 0)
1513 return log_error_errno(r, "Failed to get link data for %i: %s", ifindex, bus_error_message(&error, r));
1514
1515 (void) pager_open(arg_pager_flags);
1516
1517 if (mode == STATUS_DNS)
1518 return status_print_strv_ifindex(ifindex, name, link_info.dns_ex ?: link_info.dns);
1519
1520 if (mode == STATUS_DOMAIN)
1521 return status_print_strv_ifindex(ifindex, name, link_info.domains);
1522
1523 if (mode == STATUS_NTA)
1524 return status_print_strv_ifindex(ifindex, name, link_info.ntas);
1525
1526 if (mode == STATUS_DEFAULT_ROUTE) {
1527 printf("%sLink %i (%s)%s: %s\n",
1528 ansi_highlight(), ifindex, name, ansi_normal(),
1529 yes_no(link_info.default_route));
1530
1531 return 0;
1532 }
1533
1534 if (mode == STATUS_LLMNR) {
1535 printf("%sLink %i (%s)%s: %s\n",
1536 ansi_highlight(), ifindex, name, ansi_normal(),
1537 strna(link_info.llmnr));
1538
1539 return 0;
1540 }
1541
1542 if (mode == STATUS_MDNS) {
1543 printf("%sLink %i (%s)%s: %s\n",
1544 ansi_highlight(), ifindex, name, ansi_normal(),
1545 strna(link_info.mdns));
1546
1547 return 0;
1548 }
1549
1550 if (mode == STATUS_PRIVATE) {
1551 printf("%sLink %i (%s)%s: %s\n",
1552 ansi_highlight(), ifindex, name, ansi_normal(),
1553 strna(link_info.dns_over_tls));
1554
1555 return 0;
1556 }
1557
1558 if (mode == STATUS_DNSSEC) {
1559 printf("%sLink %i (%s)%s: %s\n",
1560 ansi_highlight(), ifindex, name, ansi_normal(),
1561 strna(link_info.dnssec));
1562
1563 return 0;
1564 }
1565
1566 if (empty_line && *empty_line)
1567 fputc('\n', stdout);
1568
1569 printf("%sLink %i (%s)%s\n",
1570 ansi_highlight(), ifindex, name, ansi_normal());
1571
1572 table = table_new("key", "value");
1573 if (!table)
1574 return log_oom();
1575
1576 table_set_header(table, false);
1577
1578 r = table_add_many(table,
1579 TABLE_STRING, "Current Scopes:",
1580 TABLE_SET_ALIGN_PERCENT, 100);
1581 if (r < 0)
1582 return table_log_add_error(r);
1583
1584 if (link_info.scopes_mask == 0)
1585 r = table_add_cell(table, NULL, TABLE_STRING, "none");
1586 else {
1587 _cleanup_free_ char *buf = NULL;
1588 size_t len;
1589
1590 if (asprintf(&buf, "%s%s%s%s%s",
1591 link_info.scopes_mask & SD_RESOLVED_DNS ? "DNS " : "",
1592 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV4 ? "LLMNR/IPv4 " : "",
1593 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV6 ? "LLMNR/IPv6 " : "",
1594 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? "mDNS/IPv4 " : "",
1595 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? "mDNS/IPv6 " : "") < 0)
1596 return log_oom();
1597
1598 len = strlen(buf);
1599 assert(len > 0);
1600 buf[len - 1] = '\0';
1601
1602 r = table_add_cell(table, NULL, TABLE_STRING, buf);
1603 }
1604 if (r < 0)
1605 return table_log_add_error(r);
1606
1607 _cleanup_free_ char *pstatus = link_protocol_status(&link_info);
1608 if (!pstatus)
1609 return log_oom();
1610
1611 r = table_add_many(table,
1612 TABLE_STRING, "Protocols:",
1613 TABLE_STRING, pstatus);
1614 if (r < 0)
1615 return table_log_add_error(r);
1616
1617 if (link_info.current_dns) {
1618 r = table_add_many(table,
1619 TABLE_STRING, "Current DNS Server:",
1620 TABLE_STRING, link_info.current_dns_ex ?: link_info.current_dns);
1621 if (r < 0)
1622 return table_log_add_error(r);
1623 }
1624
1625 r = dump_list(table, "DNS Servers:", link_info.dns_ex ?: link_info.dns);
1626 if (r < 0)
1627 return r;
1628
1629 r = dump_list(table, "DNS Domain:", link_info.domains);
1630 if (r < 0)
1631 return r;
1632
1633 r = table_print(table, NULL);
1634 if (r < 0)
1635 return table_log_print_error(r);
1636
1637 if (empty_line)
1638 *empty_line = true;
1639
1640 return 0;
1641 }
1642
1643 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) {
1644 char ***l = userdata;
1645 int r;
1646
1647 assert(bus);
1648 assert(member);
1649 assert(m);
1650 assert(l);
1651
1652 r = sd_bus_message_enter_container(m, 'a', extended ? "(iiayqs)" : "(iiay)");
1653 if (r < 0)
1654 return r;
1655
1656 for (;;) {
1657 _cleanup_free_ char *pretty = NULL;
1658
1659 r = read_dns_server_one(m, true, extended, &pretty);
1660 if (r < 0)
1661 return r;
1662 if (r == 0)
1663 break;
1664
1665 if (isempty(pretty))
1666 continue;
1667
1668 r = strv_consume(l, TAKE_PTR(pretty));
1669 if (r < 0)
1670 return r;
1671 }
1672
1673 r = sd_bus_message_exit_container(m);
1674 if (r < 0)
1675 return r;
1676
1677 return 0;
1678 }
1679
1680 static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1681 return map_global_dns_servers_internal(bus, member, m, error, userdata, false);
1682 }
1683
1684 static int map_global_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1685 return map_global_dns_servers_internal(bus, member, m, error, userdata, true);
1686 }
1687
1688 static int map_global_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1689 assert(m);
1690 assert(userdata);
1691
1692 return read_dns_server_one(m, true, false, userdata);
1693 }
1694
1695 static int map_global_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1696 assert(m);
1697 assert(userdata);
1698
1699 return read_dns_server_one(m, true, true, userdata);
1700 }
1701
1702 static int map_global_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1703 char ***l = userdata;
1704 int r;
1705
1706 assert(bus);
1707 assert(member);
1708 assert(m);
1709 assert(l);
1710
1711 r = sd_bus_message_enter_container(m, 'a', "(isb)");
1712 if (r < 0)
1713 return r;
1714
1715 for (;;) {
1716 _cleanup_free_ char *pretty = NULL;
1717
1718 r = read_domain_one(m, true, &pretty);
1719 if (r < 0)
1720 return r;
1721 if (r == 0)
1722 break;
1723
1724 if (isempty(pretty))
1725 continue;
1726
1727 r = strv_consume(l, TAKE_PTR(pretty));
1728 if (r < 0)
1729 return r;
1730 }
1731
1732 r = sd_bus_message_exit_container(m);
1733 if (r < 0)
1734 return r;
1735
1736 strv_sort(*l);
1737
1738 return 0;
1739 }
1740
1741 static int status_global(sd_bus *bus, StatusMode mode, bool *empty_line) {
1742 static const struct bus_properties_map property_map[] = {
1743 { "DNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, dns) },
1744 { "DNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, dns_ex) },
1745 { "FallbackDNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, fallback_dns) },
1746 { "FallbackDNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, fallback_dns_ex) },
1747 { "CurrentDNSServer", "(iiay)", map_global_current_dns_server, offsetof(GlobalInfo, current_dns) },
1748 { "CurrentDNSServerEx", "(iiayqs)", map_global_current_dns_server_ex, offsetof(GlobalInfo, current_dns_ex) },
1749 { "Domains", "a(isb)", map_global_domains, offsetof(GlobalInfo, domains) },
1750 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(GlobalInfo, ntas) },
1751 { "LLMNR", "s", NULL, offsetof(GlobalInfo, llmnr) },
1752 { "MulticastDNS", "s", NULL, offsetof(GlobalInfo, mdns) },
1753 { "DNSOverTLS", "s", NULL, offsetof(GlobalInfo, dns_over_tls) },
1754 { "DNSSEC", "s", NULL, offsetof(GlobalInfo, dnssec) },
1755 { "DNSSECSupported", "b", NULL, offsetof(GlobalInfo, dnssec_supported) },
1756 { "ResolvConfMode", "s", NULL, offsetof(GlobalInfo, resolv_conf_mode) },
1757 {}
1758 };
1759 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1760 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1761 _cleanup_(global_info_clear) GlobalInfo global_info = {};
1762 _cleanup_(table_unrefp) Table *table = NULL;
1763 int r;
1764
1765 assert(bus);
1766 assert(empty_line);
1767
1768 r = bus_map_all_properties(bus,
1769 "org.freedesktop.resolve1",
1770 "/org/freedesktop/resolve1",
1771 property_map,
1772 BUS_MAP_BOOLEAN_AS_BOOL,
1773 &error,
1774 &m,
1775 &global_info);
1776 if (r < 0)
1777 return log_error_errno(r, "Failed to get global data: %s", bus_error_message(&error, r));
1778
1779 (void) pager_open(arg_pager_flags);
1780
1781 if (mode == STATUS_DNS)
1782 return status_print_strv_global(global_info.dns_ex ?: global_info.dns);
1783
1784 if (mode == STATUS_DOMAIN)
1785 return status_print_strv_global(global_info.domains);
1786
1787 if (mode == STATUS_NTA)
1788 return status_print_strv_global(global_info.ntas);
1789
1790 if (mode == STATUS_LLMNR) {
1791 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1792 strna(global_info.llmnr));
1793
1794 return 0;
1795 }
1796
1797 if (mode == STATUS_MDNS) {
1798 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1799 strna(global_info.mdns));
1800
1801 return 0;
1802 }
1803
1804 if (mode == STATUS_PRIVATE) {
1805 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1806 strna(global_info.dns_over_tls));
1807
1808 return 0;
1809 }
1810
1811 if (mode == STATUS_DNSSEC) {
1812 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1813 strna(global_info.dnssec));
1814
1815 return 0;
1816 }
1817
1818 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
1819
1820 table = table_new("key", "value");
1821 if (!table)
1822 return log_oom();
1823
1824 table_set_header(table, false);
1825
1826 _cleanup_free_ char *pstatus = global_protocol_status(&global_info);
1827 if (!pstatus)
1828 return log_oom();
1829
1830 r = table_add_many(table,
1831 TABLE_STRING, "Protocols:",
1832 TABLE_SET_ALIGN_PERCENT, 100,
1833 TABLE_STRING, pstatus);
1834 if (r < 0)
1835 return table_log_add_error(r);
1836
1837 if (global_info.resolv_conf_mode) {
1838 r = table_add_many(table,
1839 TABLE_STRING, "resolv.conf mode:",
1840 TABLE_STRING, global_info.resolv_conf_mode);
1841 if (r < 0)
1842 return table_log_add_error(r);
1843 }
1844
1845 if (global_info.current_dns) {
1846 r = table_add_many(table,
1847 TABLE_STRING, "Current DNS Server:",
1848 TABLE_STRING, global_info.current_dns_ex ?: global_info.current_dns);
1849 if (r < 0)
1850 return table_log_add_error(r);
1851 }
1852
1853 r = dump_list(table, "DNS Servers:", global_info.dns_ex ?: global_info.dns);
1854 if (r < 0)
1855 return r;
1856
1857 r = dump_list(table, "Fallback DNS Servers:", global_info.fallback_dns_ex ?: global_info.fallback_dns);
1858 if (r < 0)
1859 return r;
1860
1861 r = dump_list(table, "DNS Domain:", global_info.domains);
1862 if (r < 0)
1863 return r;
1864
1865 r = table_print(table, NULL);
1866 if (r < 0)
1867 return table_log_print_error(r);
1868
1869 *empty_line = true;
1870
1871 return 0;
1872 }
1873
1874 static int status_all(sd_bus *bus, StatusMode mode) {
1875 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
1876 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1877 bool empty_line = false;
1878 int r;
1879
1880 assert(bus);
1881
1882 r = status_global(bus, mode, &empty_line);
1883 if (r < 0)
1884 return r;
1885
1886 r = sd_netlink_open(&rtnl);
1887 if (r < 0)
1888 return log_error_errno(r, "Failed to connect to netlink: %m");
1889
1890 r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
1891 if (r < 0)
1892 return rtnl_log_create_error(r);
1893
1894 r = sd_netlink_message_request_dump(req, true);
1895 if (r < 0)
1896 return rtnl_log_create_error(r);
1897
1898 r = sd_netlink_call(rtnl, req, 0, &reply);
1899 if (r < 0)
1900 return log_error_errno(r, "Failed to enumerate links: %m");
1901
1902 _cleanup_free_ InterfaceInfo *infos = NULL;
1903 size_t n_allocated = 0, n_infos = 0;
1904
1905 for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) {
1906 const char *name;
1907 int ifindex;
1908 uint16_t type;
1909
1910 r = sd_netlink_message_get_type(i, &type);
1911 if (r < 0)
1912 return rtnl_log_parse_error(r);
1913
1914 if (type != RTM_NEWLINK)
1915 continue;
1916
1917 r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
1918 if (r < 0)
1919 return rtnl_log_parse_error(r);
1920
1921 if (ifindex == LOOPBACK_IFINDEX)
1922 continue;
1923
1924 r = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
1925 if (r < 0)
1926 return rtnl_log_parse_error(r);
1927
1928 if (!GREEDY_REALLOC(infos, n_allocated, n_infos + 1))
1929 return log_oom();
1930
1931 infos[n_infos++] = (InterfaceInfo) { ifindex, name };
1932 }
1933
1934 typesafe_qsort(infos, n_infos, interface_info_compare);
1935
1936 r = 0;
1937 for (size_t i = 0; i < n_infos; i++) {
1938 int q = status_ifindex(bus, infos[i].index, infos[i].name, mode, &empty_line);
1939 if (q < 0 && r >= 0)
1940 r = q;
1941 }
1942
1943 return r;
1944 }
1945
1946 static int verb_status(int argc, char **argv, void *userdata) {
1947 sd_bus *bus = userdata;
1948 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1949 int r = 0;
1950
1951 if (argc > 1) {
1952 char **ifname;
1953 bool empty_line = false;
1954
1955 STRV_FOREACH(ifname, argv + 1) {
1956 int ifindex, q;
1957
1958 ifindex = resolve_interface(&rtnl, *ifname);
1959 if (ifindex < 0) {
1960 log_warning_errno(ifindex, "Failed to resolve interface \"%s\", ignoring: %m", *ifname);
1961 continue;
1962 }
1963
1964 q = status_ifindex(bus, ifindex, NULL, STATUS_ALL, &empty_line);
1965 if (q < 0)
1966 r = q;
1967 }
1968 } else
1969 r = status_all(bus, STATUS_ALL);
1970
1971 return r;
1972 }
1973
1974 static int call_dns(sd_bus *bus, char **dns, const BusLocator *locator, sd_bus_error *error, bool extended) {
1975 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
1976 char **p;
1977 int r;
1978
1979 r = bus_message_new_method_call(bus, &req, locator, extended ? "SetLinkDNSEx" : "SetLinkDNS");
1980 if (r < 0)
1981 return bus_log_create_error(r);
1982
1983 r = sd_bus_message_append(req, "i", arg_ifindex);
1984 if (r < 0)
1985 return bus_log_create_error(r);
1986
1987 r = sd_bus_message_open_container(req, 'a', extended ? "(iayqs)" : "(iay)");
1988 if (r < 0)
1989 return bus_log_create_error(r);
1990
1991 /* If only argument is the empty string, then call SetLinkDNS() with an
1992 * empty list, which will clear the list of domains for an interface. */
1993 if (!strv_equal(dns, STRV_MAKE("")))
1994 STRV_FOREACH(p, dns) {
1995 _cleanup_free_ char *name = NULL;
1996 struct in_addr_data data;
1997 uint16_t port;
1998 int ifindex;
1999
2000 r = in_addr_port_ifindex_name_from_string_auto(*p, &data.family, &data.address, &port, &ifindex, &name);
2001 if (r < 0)
2002 return log_error_errno(r, "Failed to parse DNS server address: %s", *p);
2003
2004 if (ifindex != 0 && ifindex != arg_ifindex)
2005 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid ifindex: %i", ifindex);
2006
2007 r = sd_bus_message_open_container(req, 'r', extended ? "iayqs" : "iay");
2008 if (r < 0)
2009 return bus_log_create_error(r);
2010
2011 r = sd_bus_message_append(req, "i", data.family);
2012 if (r < 0)
2013 return bus_log_create_error(r);
2014
2015 r = sd_bus_message_append_array(req, 'y', &data.address, FAMILY_ADDRESS_SIZE(data.family));
2016 if (r < 0)
2017 return bus_log_create_error(r);
2018
2019 if (extended) {
2020 r = sd_bus_message_append(req, "q", port);
2021 if (r < 0)
2022 return bus_log_create_error(r);
2023
2024 r = sd_bus_message_append(req, "s", name);
2025 if (r < 0)
2026 return bus_log_create_error(r);
2027 }
2028
2029 r = sd_bus_message_close_container(req);
2030 if (r < 0)
2031 return bus_log_create_error(r);
2032 }
2033
2034 r = sd_bus_message_close_container(req);
2035 if (r < 0)
2036 return bus_log_create_error(r);
2037
2038 r = sd_bus_call(bus, req, 0, error, NULL);
2039 if (r < 0 && extended && sd_bus_error_has_name(error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2040 sd_bus_error_free(error);
2041 return call_dns(bus, dns, locator, error, false);
2042 }
2043 return r;
2044 }
2045
2046 static int verb_dns(int argc, char **argv, void *userdata) {
2047 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2048 sd_bus *bus = userdata;
2049 int r;
2050
2051 assert(bus);
2052
2053 if (argc >= 2) {
2054 r = ifname_mangle(argv[1]);
2055 if (r < 0)
2056 return r;
2057 }
2058
2059 if (arg_ifindex <= 0)
2060 return status_all(bus, STATUS_DNS);
2061
2062 if (argc < 3)
2063 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNS, NULL);
2064
2065 r = call_dns(bus, argv + 2, bus_resolve_mgr, &error, true);
2066 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2067 sd_bus_error_free(&error);
2068
2069 r = call_dns(bus, argv + 2, bus_network_mgr, &error, true);
2070 }
2071 if (r < 0) {
2072 if (arg_ifindex_permissive &&
2073 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2074 return 0;
2075
2076 return log_error_errno(r, "Failed to set DNS configuration: %s", bus_error_message(&error, r));
2077 }
2078
2079 return 0;
2080 }
2081
2082 static int call_domain(sd_bus *bus, char **domain, const BusLocator *locator, sd_bus_error *error) {
2083 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2084 char **p;
2085 int r;
2086
2087 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDomains");
2088 if (r < 0)
2089 return bus_log_create_error(r);
2090
2091 r = sd_bus_message_append(req, "i", arg_ifindex);
2092 if (r < 0)
2093 return bus_log_create_error(r);
2094
2095 r = sd_bus_message_open_container(req, 'a', "(sb)");
2096 if (r < 0)
2097 return bus_log_create_error(r);
2098
2099 /* If only argument is the empty string, then call SetLinkDomains() with an
2100 * empty list, which will clear the list of domains for an interface. */
2101 if (!strv_equal(domain, STRV_MAKE("")))
2102 STRV_FOREACH(p, domain) {
2103 const char *n;
2104
2105 n = **p == '~' ? *p + 1 : *p;
2106
2107 r = dns_name_is_valid(n);
2108 if (r < 0)
2109 return log_error_errno(r, "Failed to validate specified domain %s: %m", n);
2110 if (r == 0) {
2111 log_error("Domain not valid: %s", n);
2112 return -EINVAL;
2113 }
2114
2115 r = sd_bus_message_append(req, "(sb)", n, **p == '~');
2116 if (r < 0)
2117 return bus_log_create_error(r);
2118 }
2119
2120 r = sd_bus_message_close_container(req);
2121 if (r < 0)
2122 return bus_log_create_error(r);
2123
2124 return sd_bus_call(bus, req, 0, error, NULL);
2125 }
2126
2127 static int verb_domain(int argc, char **argv, void *userdata) {
2128 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2129 sd_bus *bus = userdata;
2130 int r;
2131
2132 assert(bus);
2133
2134 if (argc >= 2) {
2135 r = ifname_mangle(argv[1]);
2136 if (r < 0)
2137 return r;
2138 }
2139
2140 if (arg_ifindex <= 0)
2141 return status_all(bus, STATUS_DOMAIN);
2142
2143 if (argc < 3)
2144 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DOMAIN, NULL);
2145
2146 r = call_domain(bus, argv + 2, bus_resolve_mgr, &error);
2147 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2148 sd_bus_error_free(&error);
2149
2150 r = call_domain(bus, argv + 2, bus_network_mgr, &error);
2151 }
2152 if (r < 0) {
2153 if (arg_ifindex_permissive &&
2154 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2155 return 0;
2156
2157 return log_error_errno(r, "Failed to set domain configuration: %s", bus_error_message(&error, r));
2158 }
2159
2160 return 0;
2161 }
2162
2163 static int verb_default_route(int argc, char **argv, void *userdata) {
2164 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2165 sd_bus *bus = userdata;
2166 int r, b;
2167
2168 assert(bus);
2169
2170 if (argc >= 2) {
2171 r = ifname_mangle(argv[1]);
2172 if (r < 0)
2173 return r;
2174 }
2175
2176 if (arg_ifindex <= 0)
2177 return status_all(bus, STATUS_DEFAULT_ROUTE);
2178
2179 if (argc < 3)
2180 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DEFAULT_ROUTE, NULL);
2181
2182 b = parse_boolean(argv[2]);
2183 if (b < 0)
2184 return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]);
2185
2186 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2187 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2188 sd_bus_error_free(&error);
2189
2190 r = bus_call_method(bus, bus_network_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2191 }
2192 if (r < 0) {
2193 if (arg_ifindex_permissive &&
2194 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2195 return 0;
2196
2197 return log_error_errno(r, "Failed to set default route configuration: %s", bus_error_message(&error, r));
2198 }
2199
2200 return 0;
2201 }
2202
2203 static int verb_llmnr(int argc, char **argv, void *userdata) {
2204 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2205 sd_bus *bus = userdata;
2206 int r;
2207
2208 assert(bus);
2209
2210 if (argc >= 2) {
2211 r = ifname_mangle(argv[1]);
2212 if (r < 0)
2213 return r;
2214 }
2215
2216 if (arg_ifindex <= 0)
2217 return status_all(bus, STATUS_LLMNR);
2218
2219 if (argc < 3)
2220 return status_ifindex(bus, arg_ifindex, NULL, STATUS_LLMNR, NULL);
2221
2222 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2223 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2224 sd_bus_error_free(&error);
2225
2226 r = bus_call_method(bus, bus_network_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2227 }
2228 if (r < 0) {
2229 if (arg_ifindex_permissive &&
2230 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2231 return 0;
2232
2233 return log_error_errno(r, "Failed to set LLMNR configuration: %s", bus_error_message(&error, r));
2234 }
2235
2236 return 0;
2237 }
2238
2239 static int verb_mdns(int argc, char **argv, void *userdata) {
2240 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2241 sd_bus *bus = userdata;
2242 int r;
2243
2244 assert(bus);
2245
2246 if (argc >= 2) {
2247 r = ifname_mangle(argv[1]);
2248 if (r < 0)
2249 return r;
2250 }
2251
2252 if (arg_ifindex <= 0)
2253 return status_all(bus, STATUS_MDNS);
2254
2255 if (argc < 3)
2256 return status_ifindex(bus, arg_ifindex, NULL, STATUS_MDNS, NULL);
2257
2258 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkMulticastDNS", &error, NULL, "is", arg_ifindex, argv[2]);
2259 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2260 sd_bus_error_free(&error);
2261
2262 r = bus_call_method(
2263 bus,
2264 bus_network_mgr,
2265 "SetLinkMulticastDNS",
2266 &error,
2267 NULL,
2268 "is", arg_ifindex, argv[2]);
2269 }
2270 if (r < 0) {
2271 if (arg_ifindex_permissive &&
2272 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2273 return 0;
2274
2275 return log_error_errno(r, "Failed to set MulticastDNS configuration: %s", bus_error_message(&error, r));
2276 }
2277
2278 return 0;
2279 }
2280
2281 static int verb_dns_over_tls(int argc, char **argv, void *userdata) {
2282 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2283 sd_bus *bus = userdata;
2284 int r;
2285
2286 assert(bus);
2287
2288 if (argc >= 2) {
2289 r = ifname_mangle(argv[1]);
2290 if (r < 0)
2291 return r;
2292 }
2293
2294 if (arg_ifindex <= 0)
2295 return status_all(bus, STATUS_PRIVATE);
2296
2297 if (argc < 3)
2298 return status_ifindex(bus, arg_ifindex, NULL, STATUS_PRIVATE, NULL);
2299
2300 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSOverTLS", &error, NULL, "is", arg_ifindex, argv[2]);
2301 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2302 sd_bus_error_free(&error);
2303
2304 r = bus_call_method(
2305 bus,
2306 bus_network_mgr,
2307 "SetLinkDNSOverTLS",
2308 &error,
2309 NULL,
2310 "is", arg_ifindex, argv[2]);
2311 }
2312 if (r < 0) {
2313 if (arg_ifindex_permissive &&
2314 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2315 return 0;
2316
2317 return log_error_errno(r, "Failed to set DNSOverTLS configuration: %s", bus_error_message(&error, r));
2318 }
2319
2320 return 0;
2321 }
2322
2323 static int verb_dnssec(int argc, char **argv, void *userdata) {
2324 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2325 sd_bus *bus = userdata;
2326 int r;
2327
2328 assert(bus);
2329
2330 if (argc >= 2) {
2331 r = ifname_mangle(argv[1]);
2332 if (r < 0)
2333 return r;
2334 }
2335
2336 if (arg_ifindex <= 0)
2337 return status_all(bus, STATUS_DNSSEC);
2338
2339 if (argc < 3)
2340 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNSSEC, NULL);
2341
2342 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2343 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2344 sd_bus_error_free(&error);
2345
2346 r = bus_call_method(bus, bus_network_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2347 }
2348 if (r < 0) {
2349 if (arg_ifindex_permissive &&
2350 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2351 return 0;
2352
2353 return log_error_errno(r, "Failed to set DNSSEC configuration: %s", bus_error_message(&error, r));
2354 }
2355
2356 return 0;
2357 }
2358
2359 static int call_nta(sd_bus *bus, char **nta, const BusLocator *locator, sd_bus_error *error) {
2360 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2361 int r;
2362
2363 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDNSSECNegativeTrustAnchors");
2364 if (r < 0)
2365 return bus_log_create_error(r);
2366
2367 r = sd_bus_message_append(req, "i", arg_ifindex);
2368 if (r < 0)
2369 return bus_log_create_error(r);
2370
2371 r = sd_bus_message_append_strv(req, nta);
2372 if (r < 0)
2373 return bus_log_create_error(r);
2374
2375 return sd_bus_call(bus, req, 0, error, NULL);
2376 }
2377
2378 static int verb_nta(int argc, char **argv, void *userdata) {
2379 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2380 sd_bus *bus = userdata;
2381 char **p;
2382 int r;
2383 bool clear;
2384
2385 assert(bus);
2386
2387 if (argc >= 2) {
2388 r = ifname_mangle(argv[1]);
2389 if (r < 0)
2390 return r;
2391 }
2392
2393 if (arg_ifindex <= 0)
2394 return status_all(bus, STATUS_NTA);
2395
2396 if (argc < 3)
2397 return status_ifindex(bus, arg_ifindex, NULL, STATUS_NTA, NULL);
2398
2399 /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
2400 * with an empty list, which will clear the list of domains for an interface. */
2401 clear = strv_equal(argv + 2, STRV_MAKE(""));
2402
2403 if (!clear)
2404 STRV_FOREACH(p, argv + 2) {
2405 r = dns_name_is_valid(*p);
2406 if (r < 0)
2407 return log_error_errno(r, "Failed to validate specified domain %s: %m", *p);
2408 if (r == 0) {
2409 log_error("Domain not valid: %s", *p);
2410 return -EINVAL;
2411 }
2412 }
2413
2414 r = call_nta(bus, clear ? NULL : argv + 2, bus_resolve_mgr, &error);
2415 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2416 sd_bus_error_free(&error);
2417
2418 r = call_nta(bus, clear ? NULL : argv + 2, bus_network_mgr, &error);
2419 }
2420 if (r < 0) {
2421 if (arg_ifindex_permissive &&
2422 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2423 return 0;
2424
2425 return log_error_errno(r, "Failed to set DNSSEC NTA configuration: %s", bus_error_message(&error, r));
2426 }
2427
2428 return 0;
2429 }
2430
2431 static int verb_revert_link(int argc, char **argv, void *userdata) {
2432 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2433 sd_bus *bus = userdata;
2434 int r;
2435
2436 assert(bus);
2437
2438 if (argc >= 2) {
2439 r = ifname_mangle(argv[1]);
2440 if (r < 0)
2441 return r;
2442 }
2443
2444 if (arg_ifindex <= 0)
2445 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Interface argument required.");
2446
2447 r = bus_call_method(bus, bus_resolve_mgr, "RevertLink", &error, NULL, "i", arg_ifindex);
2448 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2449 sd_bus_error_free(&error);
2450
2451 r = bus_call_method(bus, bus_network_mgr, "RevertLinkDNS", &error, NULL, "i", arg_ifindex);
2452 }
2453 if (r < 0) {
2454 if (arg_ifindex_permissive &&
2455 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2456 return 0;
2457
2458 return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
2459 }
2460
2461 return 0;
2462 }
2463
2464 static int verb_log_level(int argc, char *argv[], void *userdata) {
2465 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2466 sd_bus *bus = userdata;
2467 int r;
2468
2469 assert(bus);
2470
2471 if (argc == 1) {
2472 _cleanup_free_ char *level = NULL;
2473
2474 r = sd_bus_get_property_string(
2475 bus,
2476 "org.freedesktop.resolve1",
2477 "/org/freedesktop/LogControl1",
2478 "org.freedesktop.LogControl1",
2479 "LogLevel",
2480 &error,
2481 &level);
2482 if (r < 0)
2483 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
2484
2485 puts(level);
2486
2487 } else {
2488 assert(argc == 2);
2489
2490 r = sd_bus_set_property(
2491 bus,
2492 "org.freedesktop.resolve1",
2493 "/org/freedesktop/LogControl1",
2494 "org.freedesktop.LogControl1",
2495 "LogLevel",
2496 &error,
2497 "s",
2498 argv[1]);
2499 if (r < 0)
2500 return log_error_errno(r, "Failed to set log level: %s", bus_error_message(&error, r));
2501 }
2502
2503 return 0;
2504 }
2505
2506 static void help_protocol_types(void) {
2507 if (arg_legend)
2508 puts("Known protocol types:");
2509 puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmdns-ipv4\nmdns-ipv6");
2510 }
2511
2512 static void help_dns_types(void) {
2513 if (arg_legend)
2514 puts("Known DNS RR types:");
2515
2516 DUMP_STRING_TABLE(dns_type, int, _DNS_TYPE_MAX);
2517 }
2518
2519 static void help_dns_classes(void) {
2520 if (arg_legend)
2521 puts("Known DNS RR classes:");
2522
2523 DUMP_STRING_TABLE(dns_class, int, _DNS_CLASS_MAX);
2524 }
2525
2526 static int compat_help(void) {
2527 _cleanup_free_ char *link = NULL;
2528 int r;
2529
2530 r = terminal_urlify_man("resolvectl", "1", &link);
2531 if (r < 0)
2532 return log_oom();
2533
2534 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
2535 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
2536 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
2537 "%1$s [OPTIONS...] --statistics\n"
2538 "%1$s [OPTIONS...] --reset-statistics\n"
2539 "\n"
2540 "%2$sResolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%3$s\n\n"
2541 " -h --help Show this help\n"
2542 " --version Show package version\n"
2543 " --no-pager Do not pipe output into a pager\n"
2544 " -4 Resolve IPv4 addresses\n"
2545 " -6 Resolve IPv6 addresses\n"
2546 " -i --interface=INTERFACE Look on interface\n"
2547 " -p --protocol=PROTO|help Look via protocol\n"
2548 " -t --type=TYPE|help Query RR with DNS type\n"
2549 " -c --class=CLASS|help Query RR with DNS class\n"
2550 " --service Resolve service (SRV)\n"
2551 " --service-address=BOOL Resolve address for services (default: yes)\n"
2552 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2553 " --openpgp Query OpenPGP public key\n"
2554 " --tlsa Query TLS public key\n"
2555 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2556 " --search=BOOL Use search domains for single-label names\n"
2557 " (default: yes)\n"
2558 " --raw[=payload|packet] Dump the answer as binary data\n"
2559 " --legend=BOOL Print headers and additional info (default: yes)\n"
2560 " --statistics Show resolver statistics\n"
2561 " --reset-statistics Reset resolver statistics\n"
2562 " --status Show link and server status\n"
2563 " --flush-caches Flush all local DNS caches\n"
2564 " --reset-server-features\n"
2565 " Forget learnt DNS server feature levels\n"
2566 " --set-dns=SERVER Set per-interface DNS server address\n"
2567 " --set-domain=DOMAIN Set per-interface search domain\n"
2568 " --set-llmnr=MODE Set per-interface LLMNR mode\n"
2569 " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
2570 " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
2571 " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
2572 " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
2573 " --revert Revert per-interface configuration\n"
2574 "\nSee the %4$s for details.\n"
2575 , program_invocation_short_name
2576 , ansi_highlight()
2577 , ansi_normal()
2578 , link
2579 );
2580
2581 return 0;
2582 }
2583
2584 static int native_help(void) {
2585 _cleanup_free_ char *link = NULL;
2586 int r;
2587
2588 r = terminal_urlify_man("resolvectl", "1", &link);
2589 if (r < 0)
2590 return log_oom();
2591
2592 printf("%s [OPTIONS...] COMMAND ...\n"
2593 "\n"
2594 "%sSend control commands to the network name resolution manager, or%s\n"
2595 "%sresolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%s\n"
2596 "\nCommands:\n"
2597 " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
2598 " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
2599 " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
2600 " tlsa DOMAIN[:PORT]... Query TLS public key\n"
2601 " status [LINK...] Show link and server status\n"
2602 " statistics Show resolver statistics\n"
2603 " reset-statistics Reset resolver statistics\n"
2604 " flush-caches Flush all local DNS caches\n"
2605 " reset-server-features Forget learnt DNS server feature levels\n"
2606 " dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
2607 " domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
2608 " default-route [LINK [BOOL]] Get/set per-interface default route flag\n"
2609 " llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
2610 " mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
2611 " dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
2612 " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
2613 " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
2614 " revert LINK Revert per-interface configuration\n"
2615 " log-level [LEVEL] Get/set logging threshold for systemd-resolved\n"
2616 "\nOptions:\n"
2617 " -h --help Show this help\n"
2618 " --version Show package version\n"
2619 " --no-pager Do not pipe output into a pager\n"
2620 " -4 Resolve IPv4 addresses\n"
2621 " -6 Resolve IPv6 addresses\n"
2622 " -i --interface=INTERFACE Look on interface\n"
2623 " -p --protocol=PROTO|help Look via protocol\n"
2624 " -t --type=TYPE|help Query RR with DNS type\n"
2625 " -c --class=CLASS|help Query RR with DNS class\n"
2626 " --service-address=BOOL Resolve address for services (default: yes)\n"
2627 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2628 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2629 " --search=BOOL Use search domains for single-label names\n"
2630 " (default: yes)\n"
2631 " --raw[=payload|packet] Dump the answer as binary data\n"
2632 " --legend=BOOL Print headers and additional info (default: yes)\n"
2633 "\nSee the %s for details.\n"
2634 , program_invocation_short_name
2635 , ansi_highlight()
2636 , ansi_normal()
2637 , ansi_highlight()
2638 , ansi_normal()
2639 , link
2640 );
2641
2642 return 0;
2643 }
2644
2645 static int verb_help(int argc, char **argv, void *userdata) {
2646 return native_help();
2647 }
2648
2649 static int compat_parse_argv(int argc, char *argv[]) {
2650 enum {
2651 ARG_VERSION = 0x100,
2652 ARG_LEGEND,
2653 ARG_SERVICE,
2654 ARG_CNAME,
2655 ARG_SERVICE_ADDRESS,
2656 ARG_SERVICE_TXT,
2657 ARG_OPENPGP,
2658 ARG_TLSA,
2659 ARG_RAW,
2660 ARG_SEARCH,
2661 ARG_STATISTICS,
2662 ARG_RESET_STATISTICS,
2663 ARG_STATUS,
2664 ARG_FLUSH_CACHES,
2665 ARG_RESET_SERVER_FEATURES,
2666 ARG_NO_PAGER,
2667 ARG_SET_DNS,
2668 ARG_SET_DOMAIN,
2669 ARG_SET_LLMNR,
2670 ARG_SET_MDNS,
2671 ARG_SET_PRIVATE,
2672 ARG_SET_DNSSEC,
2673 ARG_SET_NTA,
2674 ARG_REVERT_LINK,
2675 };
2676
2677 static const struct option options[] = {
2678 { "help", no_argument, NULL, 'h' },
2679 { "version", no_argument, NULL, ARG_VERSION },
2680 { "type", required_argument, NULL, 't' },
2681 { "class", required_argument, NULL, 'c' },
2682 { "legend", required_argument, NULL, ARG_LEGEND },
2683 { "interface", required_argument, NULL, 'i' },
2684 { "protocol", required_argument, NULL, 'p' },
2685 { "cname", required_argument, NULL, ARG_CNAME },
2686 { "service", no_argument, NULL, ARG_SERVICE },
2687 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2688 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2689 { "openpgp", no_argument, NULL, ARG_OPENPGP },
2690 { "tlsa", optional_argument, NULL, ARG_TLSA },
2691 { "raw", optional_argument, NULL, ARG_RAW },
2692 { "search", required_argument, NULL, ARG_SEARCH },
2693 { "statistics", no_argument, NULL, ARG_STATISTICS, },
2694 { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
2695 { "status", no_argument, NULL, ARG_STATUS },
2696 { "flush-caches", no_argument, NULL, ARG_FLUSH_CACHES },
2697 { "reset-server-features", no_argument, NULL, ARG_RESET_SERVER_FEATURES },
2698 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2699 { "set-dns", required_argument, NULL, ARG_SET_DNS },
2700 { "set-domain", required_argument, NULL, ARG_SET_DOMAIN },
2701 { "set-llmnr", required_argument, NULL, ARG_SET_LLMNR },
2702 { "set-mdns", required_argument, NULL, ARG_SET_MDNS },
2703 { "set-dnsovertls", required_argument, NULL, ARG_SET_PRIVATE },
2704 { "set-dnssec", required_argument, NULL, ARG_SET_DNSSEC },
2705 { "set-nta", required_argument, NULL, ARG_SET_NTA },
2706 { "revert", no_argument, NULL, ARG_REVERT_LINK },
2707 {}
2708 };
2709
2710 int c, r;
2711
2712 assert(argc >= 0);
2713 assert(argv);
2714
2715 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
2716 switch(c) {
2717
2718 case 'h':
2719 return compat_help();
2720
2721 case ARG_VERSION:
2722 return version();
2723
2724 case '4':
2725 arg_family = AF_INET;
2726 break;
2727
2728 case '6':
2729 arg_family = AF_INET6;
2730 break;
2731
2732 case 'i':
2733 r = ifname_mangle(optarg);
2734 if (r < 0)
2735 return r;
2736 break;
2737
2738 case 't':
2739 if (streq(optarg, "help")) {
2740 help_dns_types();
2741 return 0;
2742 }
2743
2744 r = dns_type_from_string(optarg);
2745 if (r < 0) {
2746 log_error("Failed to parse RR record type %s", optarg);
2747 return r;
2748 }
2749 arg_type = (uint16_t) r;
2750 assert((int) arg_type == r);
2751
2752 arg_mode = MODE_RESOLVE_RECORD;
2753 break;
2754
2755 case 'c':
2756 if (streq(optarg, "help")) {
2757 help_dns_classes();
2758 return 0;
2759 }
2760
2761 r = dns_class_from_string(optarg);
2762 if (r < 0) {
2763 log_error("Failed to parse RR record class %s", optarg);
2764 return r;
2765 }
2766 arg_class = (uint16_t) r;
2767 assert((int) arg_class == r);
2768
2769 break;
2770
2771 case ARG_LEGEND:
2772 r = parse_boolean(optarg);
2773 if (r < 0)
2774 return log_error_errno(r, "Failed to parse --legend= argument");
2775
2776 arg_legend = r;
2777 break;
2778
2779 case 'p':
2780 if (streq(optarg, "help")) {
2781 help_protocol_types();
2782 return 0;
2783 } else if (streq(optarg, "dns"))
2784 arg_flags |= SD_RESOLVED_DNS;
2785 else if (streq(optarg, "llmnr"))
2786 arg_flags |= SD_RESOLVED_LLMNR;
2787 else if (streq(optarg, "llmnr-ipv4"))
2788 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
2789 else if (streq(optarg, "llmnr-ipv6"))
2790 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
2791 else if (streq(optarg, "mdns"))
2792 arg_flags |= SD_RESOLVED_MDNS;
2793 else if (streq(optarg, "mdns-ipv4"))
2794 arg_flags |= SD_RESOLVED_MDNS_IPV4;
2795 else if (streq(optarg, "mdns-ipv6"))
2796 arg_flags |= SD_RESOLVED_MDNS_IPV6;
2797 else
2798 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2799 "Unknown protocol specifier: %s", optarg);
2800
2801 break;
2802
2803 case ARG_SERVICE:
2804 arg_mode = MODE_RESOLVE_SERVICE;
2805 break;
2806
2807 case ARG_OPENPGP:
2808 arg_mode = MODE_RESOLVE_OPENPGP;
2809 break;
2810
2811 case ARG_TLSA:
2812 arg_mode = MODE_RESOLVE_TLSA;
2813 if (!optarg || service_family_is_valid(optarg))
2814 arg_service_family = optarg;
2815 else
2816 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2817 "Unknown service family \"%s\".", optarg);
2818 break;
2819
2820 case ARG_RAW:
2821 if (on_tty())
2822 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
2823 "Refusing to write binary data to tty.");
2824
2825 if (optarg == NULL || streq(optarg, "payload"))
2826 arg_raw = RAW_PAYLOAD;
2827 else if (streq(optarg, "packet"))
2828 arg_raw = RAW_PACKET;
2829 else
2830 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2831 "Unknown --raw specifier \"%s\".",
2832 optarg);
2833
2834 arg_legend = false;
2835 break;
2836
2837 case ARG_CNAME:
2838 r = parse_boolean(optarg);
2839 if (r < 0)
2840 return log_error_errno(r, "Failed to parse --cname= argument.");
2841 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
2842 break;
2843
2844 case ARG_SERVICE_ADDRESS:
2845 r = parse_boolean(optarg);
2846 if (r < 0)
2847 return log_error_errno(r, "Failed to parse --service-address= argument.");
2848 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
2849 break;
2850
2851 case ARG_SERVICE_TXT:
2852 r = parse_boolean(optarg);
2853 if (r < 0)
2854 return log_error_errno(r, "Failed to parse --service-txt= argument.");
2855 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
2856 break;
2857
2858 case ARG_SEARCH:
2859 r = parse_boolean(optarg);
2860 if (r < 0)
2861 return log_error_errno(r, "Failed to parse --search argument.");
2862 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
2863 break;
2864
2865 case ARG_STATISTICS:
2866 arg_mode = MODE_STATISTICS;
2867 break;
2868
2869 case ARG_RESET_STATISTICS:
2870 arg_mode = MODE_RESET_STATISTICS;
2871 break;
2872
2873 case ARG_FLUSH_CACHES:
2874 arg_mode = MODE_FLUSH_CACHES;
2875 break;
2876
2877 case ARG_RESET_SERVER_FEATURES:
2878 arg_mode = MODE_RESET_SERVER_FEATURES;
2879 break;
2880
2881 case ARG_STATUS:
2882 arg_mode = MODE_STATUS;
2883 break;
2884
2885 case ARG_NO_PAGER:
2886 arg_pager_flags |= PAGER_DISABLE;
2887 break;
2888
2889 case ARG_SET_DNS:
2890 r = strv_extend(&arg_set_dns, optarg);
2891 if (r < 0)
2892 return log_oom();
2893
2894 arg_mode = MODE_SET_LINK;
2895 break;
2896
2897 case ARG_SET_DOMAIN:
2898 r = strv_extend(&arg_set_domain, optarg);
2899 if (r < 0)
2900 return log_oom();
2901
2902 arg_mode = MODE_SET_LINK;
2903 break;
2904
2905 case ARG_SET_LLMNR:
2906 arg_set_llmnr = optarg;
2907 arg_mode = MODE_SET_LINK;
2908 break;
2909
2910 case ARG_SET_MDNS:
2911 arg_set_mdns = optarg;
2912 arg_mode = MODE_SET_LINK;
2913 break;
2914
2915 case ARG_SET_PRIVATE:
2916 arg_set_dns_over_tls = optarg;
2917 arg_mode = MODE_SET_LINK;
2918 break;
2919
2920 case ARG_SET_DNSSEC:
2921 arg_set_dnssec = optarg;
2922 arg_mode = MODE_SET_LINK;
2923 break;
2924
2925 case ARG_SET_NTA:
2926 r = strv_extend(&arg_set_nta, optarg);
2927 if (r < 0)
2928 return log_oom();
2929
2930 arg_mode = MODE_SET_LINK;
2931 break;
2932
2933 case ARG_REVERT_LINK:
2934 arg_mode = MODE_REVERT_LINK;
2935 break;
2936
2937 case '?':
2938 return -EINVAL;
2939
2940 default:
2941 assert_not_reached("Unhandled option");
2942 }
2943
2944 if (arg_type == 0 && arg_class != 0)
2945 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2946 "--class= may only be used in conjunction with --type=.");
2947
2948 if (arg_type != 0 && arg_mode == MODE_RESOLVE_SERVICE)
2949 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2950 "--service and --type= may not be combined.");
2951
2952 if (arg_type != 0 && arg_class == 0)
2953 arg_class = DNS_CLASS_IN;
2954
2955 if (arg_class != 0 && arg_type == 0)
2956 arg_type = DNS_TYPE_A;
2957
2958 if (IN_SET(arg_mode, MODE_SET_LINK, MODE_REVERT_LINK)) {
2959
2960 if (arg_ifindex <= 0)
2961 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2962 "--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
2963 }
2964
2965 return 1 /* work to do */;
2966 }
2967
2968 static int native_parse_argv(int argc, char *argv[]) {
2969 enum {
2970 ARG_VERSION = 0x100,
2971 ARG_LEGEND,
2972 ARG_CNAME,
2973 ARG_SERVICE_ADDRESS,
2974 ARG_SERVICE_TXT,
2975 ARG_RAW,
2976 ARG_SEARCH,
2977 ARG_NO_PAGER,
2978 };
2979
2980 static const struct option options[] = {
2981 { "help", no_argument, NULL, 'h' },
2982 { "version", no_argument, NULL, ARG_VERSION },
2983 { "type", required_argument, NULL, 't' },
2984 { "class", required_argument, NULL, 'c' },
2985 { "legend", required_argument, NULL, ARG_LEGEND },
2986 { "interface", required_argument, NULL, 'i' },
2987 { "protocol", required_argument, NULL, 'p' },
2988 { "cname", required_argument, NULL, ARG_CNAME },
2989 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2990 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2991 { "raw", optional_argument, NULL, ARG_RAW },
2992 { "search", required_argument, NULL, ARG_SEARCH },
2993 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2994 {}
2995 };
2996
2997 int c, r;
2998
2999 assert(argc >= 0);
3000 assert(argv);
3001
3002 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
3003 switch(c) {
3004
3005 case 'h':
3006 return native_help();
3007
3008 case ARG_VERSION:
3009 return version();
3010
3011 case '4':
3012 arg_family = AF_INET;
3013 break;
3014
3015 case '6':
3016 arg_family = AF_INET6;
3017 break;
3018
3019 case 'i':
3020 r = ifname_mangle(optarg);
3021 if (r < 0)
3022 return r;
3023 break;
3024
3025 case 't':
3026 if (streq(optarg, "help")) {
3027 help_dns_types();
3028 return 0;
3029 }
3030
3031 r = dns_type_from_string(optarg);
3032 if (r < 0) {
3033 log_error("Failed to parse RR record type %s", optarg);
3034 return r;
3035 }
3036 arg_type = (uint16_t) r;
3037 assert((int) arg_type == r);
3038
3039 break;
3040
3041 case 'c':
3042 if (streq(optarg, "help")) {
3043 help_dns_classes();
3044 return 0;
3045 }
3046
3047 r = dns_class_from_string(optarg);
3048 if (r < 0) {
3049 log_error("Failed to parse RR record class %s", optarg);
3050 return r;
3051 }
3052 arg_class = (uint16_t) r;
3053 assert((int) arg_class == r);
3054
3055 break;
3056
3057 case ARG_LEGEND:
3058 r = parse_boolean(optarg);
3059 if (r < 0)
3060 return log_error_errno(r, "Failed to parse --legend= argument");
3061
3062 arg_legend = r;
3063 break;
3064
3065 case 'p':
3066 if (streq(optarg, "help")) {
3067 help_protocol_types();
3068 return 0;
3069 } else if (streq(optarg, "dns"))
3070 arg_flags |= SD_RESOLVED_DNS;
3071 else if (streq(optarg, "llmnr"))
3072 arg_flags |= SD_RESOLVED_LLMNR;
3073 else if (streq(optarg, "llmnr-ipv4"))
3074 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
3075 else if (streq(optarg, "llmnr-ipv6"))
3076 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
3077 else if (streq(optarg, "mdns"))
3078 arg_flags |= SD_RESOLVED_MDNS;
3079 else if (streq(optarg, "mdns-ipv4"))
3080 arg_flags |= SD_RESOLVED_MDNS_IPV4;
3081 else if (streq(optarg, "mdns-ipv6"))
3082 arg_flags |= SD_RESOLVED_MDNS_IPV6;
3083 else
3084 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3085 "Unknown protocol specifier: %s",
3086 optarg);
3087
3088 break;
3089
3090 case ARG_RAW:
3091 if (on_tty())
3092 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
3093 "Refusing to write binary data to tty.");
3094
3095 if (optarg == NULL || streq(optarg, "payload"))
3096 arg_raw = RAW_PAYLOAD;
3097 else if (streq(optarg, "packet"))
3098 arg_raw = RAW_PACKET;
3099 else
3100 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3101 "Unknown --raw specifier \"%s\".",
3102 optarg);
3103
3104 arg_legend = false;
3105 break;
3106
3107 case ARG_CNAME:
3108 r = parse_boolean(optarg);
3109 if (r < 0)
3110 return log_error_errno(r, "Failed to parse --cname= argument.");
3111 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
3112 break;
3113
3114 case ARG_SERVICE_ADDRESS:
3115 r = parse_boolean(optarg);
3116 if (r < 0)
3117 return log_error_errno(r, "Failed to parse --service-address= argument.");
3118 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
3119 break;
3120
3121 case ARG_SERVICE_TXT:
3122 r = parse_boolean(optarg);
3123 if (r < 0)
3124 return log_error_errno(r, "Failed to parse --service-txt= argument.");
3125 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
3126 break;
3127
3128 case ARG_SEARCH:
3129 r = parse_boolean(optarg);
3130 if (r < 0)
3131 return log_error_errno(r, "Failed to parse --search argument.");
3132 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
3133 break;
3134
3135 case ARG_NO_PAGER:
3136 arg_pager_flags |= PAGER_DISABLE;
3137 break;
3138
3139 case '?':
3140 return -EINVAL;
3141
3142 default:
3143 assert_not_reached("Unhandled option");
3144 }
3145
3146 if (arg_type == 0 && arg_class != 0)
3147 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3148 "--class= may only be used in conjunction with --type=.");
3149
3150 if (arg_type != 0 && arg_class == 0)
3151 arg_class = DNS_CLASS_IN;
3152
3153 if (arg_class != 0 && arg_type == 0)
3154 arg_type = DNS_TYPE_A;
3155
3156 return 1 /* work to do */;
3157 }
3158
3159 static int native_main(int argc, char *argv[], sd_bus *bus) {
3160
3161 static const Verb verbs[] = {
3162 { "help", VERB_ANY, VERB_ANY, 0, verb_help },
3163 { "status", VERB_ANY, VERB_ANY, VERB_DEFAULT, verb_status },
3164 { "query", 2, VERB_ANY, 0, verb_query },
3165 { "service", 2, 4, 0, verb_service },
3166 { "openpgp", 2, VERB_ANY, 0, verb_openpgp },
3167 { "tlsa", 2, VERB_ANY, 0, verb_tlsa },
3168 { "statistics", VERB_ANY, 1, 0, show_statistics },
3169 { "reset-statistics", VERB_ANY, 1, 0, reset_statistics },
3170 { "flush-caches", VERB_ANY, 1, 0, flush_caches },
3171 { "reset-server-features", VERB_ANY, 1, 0, reset_server_features },
3172 { "dns", VERB_ANY, VERB_ANY, 0, verb_dns },
3173 { "domain", VERB_ANY, VERB_ANY, 0, verb_domain },
3174 { "default-route", VERB_ANY, 3, 0, verb_default_route },
3175 { "llmnr", VERB_ANY, 3, 0, verb_llmnr },
3176 { "mdns", VERB_ANY, 3, 0, verb_mdns },
3177 { "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
3178 { "dnssec", VERB_ANY, 3, 0, verb_dnssec },
3179 { "nta", VERB_ANY, VERB_ANY, 0, verb_nta },
3180 { "revert", VERB_ANY, 2, 0, verb_revert_link },
3181 { "log-level", VERB_ANY, 2, 0, verb_log_level },
3182 {}
3183 };
3184
3185 return dispatch_verb(argc, argv, verbs, bus);
3186 }
3187
3188 static int translate(const char *verb, const char *single_arg, size_t num_args, char **args, sd_bus *bus) {
3189 char **fake, **p;
3190 size_t num;
3191
3192 assert(verb);
3193 assert(num_args == 0 || args);
3194
3195 num = !!single_arg + num_args + 1;
3196
3197 p = fake = newa0(char *, num + 1);
3198 *p++ = (char *) verb;
3199 if (single_arg)
3200 *p++ = (char *) single_arg;
3201 for (size_t i = 0; i < num_args; i++)
3202 *p++ = args[i];
3203
3204 optind = 0;
3205 return native_main((int) num, fake, bus);
3206 }
3207
3208 static int compat_main(int argc, char *argv[], sd_bus *bus) {
3209 int r = 0;
3210
3211 switch (arg_mode) {
3212 case MODE_RESOLVE_HOST:
3213 case MODE_RESOLVE_RECORD:
3214 return translate("query", NULL, argc - optind, argv + optind, bus);
3215
3216 case MODE_RESOLVE_SERVICE:
3217 return translate("service", NULL, argc - optind, argv + optind, bus);
3218
3219 case MODE_RESOLVE_OPENPGP:
3220 return translate("openpgp", NULL, argc - optind, argv + optind, bus);
3221
3222 case MODE_RESOLVE_TLSA:
3223 return translate("tlsa", arg_service_family, argc - optind, argv + optind, bus);
3224
3225 case MODE_STATISTICS:
3226 return translate("statistics", NULL, 0, NULL, bus);
3227
3228 case MODE_RESET_STATISTICS:
3229 return translate("reset-statistics", NULL, 0, NULL, bus);
3230
3231 case MODE_FLUSH_CACHES:
3232 return translate("flush-caches", NULL, 0, NULL, bus);
3233
3234 case MODE_RESET_SERVER_FEATURES:
3235 return translate("reset-server-features", NULL, 0, NULL, bus);
3236
3237 case MODE_STATUS:
3238 return translate("status", NULL, argc - optind, argv + optind, bus);
3239
3240 case MODE_SET_LINK:
3241 assert(arg_ifname);
3242
3243 if (arg_set_dns) {
3244 r = translate("dns", arg_ifname, strv_length(arg_set_dns), arg_set_dns, bus);
3245 if (r < 0)
3246 return r;
3247 }
3248
3249 if (arg_set_domain) {
3250 r = translate("domain", arg_ifname, strv_length(arg_set_domain), arg_set_domain, bus);
3251 if (r < 0)
3252 return r;
3253 }
3254
3255 if (arg_set_nta) {
3256 r = translate("nta", arg_ifname, strv_length(arg_set_nta), arg_set_nta, bus);
3257 if (r < 0)
3258 return r;
3259 }
3260
3261 if (arg_set_llmnr) {
3262 r = translate("llmnr", arg_ifname, 1, (char **) &arg_set_llmnr, bus);
3263 if (r < 0)
3264 return r;
3265 }
3266
3267 if (arg_set_mdns) {
3268 r = translate("mdns", arg_ifname, 1, (char **) &arg_set_mdns, bus);
3269 if (r < 0)
3270 return r;
3271 }
3272
3273 if (arg_set_dns_over_tls) {
3274 r = translate("dnsovertls", arg_ifname, 1, (char **) &arg_set_dns_over_tls, bus);
3275 if (r < 0)
3276 return r;
3277 }
3278
3279 if (arg_set_dnssec) {
3280 r = translate("dnssec", arg_ifname, 1, (char **) &arg_set_dnssec, bus);
3281 if (r < 0)
3282 return r;
3283 }
3284
3285 return r;
3286
3287 case MODE_REVERT_LINK:
3288 assert(arg_ifname);
3289
3290 return translate("revert", arg_ifname, 0, NULL, bus);
3291
3292 case _MODE_INVALID:
3293 assert_not_reached("invalid mode");
3294 }
3295
3296 return 0;
3297 }
3298
3299 static int run(int argc, char **argv) {
3300 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
3301 int r;
3302
3303 setlocale(LC_ALL, "");
3304 log_setup_cli();
3305
3306 if (streq(program_invocation_short_name, "resolvconf"))
3307 r = resolvconf_parse_argv(argc, argv);
3308 else if (streq(program_invocation_short_name, "systemd-resolve"))
3309 r = compat_parse_argv(argc, argv);
3310 else
3311 r = native_parse_argv(argc, argv);
3312 if (r <= 0)
3313 return r;
3314
3315 r = sd_bus_open_system(&bus);
3316 if (r < 0)
3317 return log_error_errno(r, "sd_bus_open_system: %m");
3318
3319 if (STR_IN_SET(program_invocation_short_name, "systemd-resolve", "resolvconf"))
3320 return compat_main(argc, argv, bus);
3321
3322 return native_main(argc, argv, bus);
3323 }
3324
3325 DEFINE_MAIN_FUNCTION(run);
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