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