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[thirdparty/systemd.git] / src / resolve / resolvectl.c
1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3 #include <getopt.h>
4 #include <locale.h>
5 #include <net/if.h>
6
7 #include "sd-bus.h"
8 #include "sd-netlink.h"
9
10 #include "af-list.h"
11 #include "alloc-util.h"
12 #include "bus-common-errors.h"
13 #include "bus-error.h"
14 #include "bus-locator.h"
15 #include "bus-map-properties.h"
16 #include "bus-message-util.h"
17 #include "dns-domain.h"
18 #include "escape.h"
19 #include "format-table.h"
20 #include "format-util.h"
21 #include "gcrypt-util.h"
22 #include "hostname-util.h"
23 #include "main-func.h"
24 #include "missing_network.h"
25 #include "netlink-util.h"
26 #include "openssl-util.h"
27 #include "pager.h"
28 #include "parse-argument.h"
29 #include "parse-util.h"
30 #include "pretty-print.h"
31 #include "process-util.h"
32 #include "resolvconf-compat.h"
33 #include "resolvectl.h"
34 #include "resolved-def.h"
35 #include "resolved-dns-packet.h"
36 #include "resolved-util.h"
37 #include "socket-netlink.h"
38 #include "sort-util.h"
39 #include "stdio-util.h"
40 #include "string-table.h"
41 #include "strv.h"
42 #include "terminal-util.h"
43 #include "utf8.h"
44 #include "verb-log-control.h"
45 #include "verbs.h"
46
47 static int arg_family = AF_UNSPEC;
48 static int arg_ifindex = 0;
49 static char *arg_ifname = NULL;
50 static uint16_t arg_type = 0;
51 static uint16_t arg_class = 0;
52 static bool arg_legend = true;
53 static uint64_t arg_flags = 0;
54 static PagerFlags arg_pager_flags = 0;
55 bool arg_ifindex_permissive = false; /* If true, don't generate an error if the specified interface index doesn't exist */
56 static const char *arg_service_family = NULL;
57
58 typedef enum RawType {
59 RAW_NONE,
60 RAW_PAYLOAD,
61 RAW_PACKET,
62 } RawType;
63 static RawType arg_raw = RAW_NONE;
64
65 ExecutionMode arg_mode = MODE_RESOLVE_HOST;
66
67 char **arg_set_dns = NULL;
68 char **arg_set_domain = NULL;
69 static const char *arg_set_llmnr = NULL;
70 static const char *arg_set_mdns = NULL;
71 static const char *arg_set_dns_over_tls = NULL;
72 static const char *arg_set_dnssec = NULL;
73 static char **arg_set_nta = NULL;
74
75 STATIC_DESTRUCTOR_REGISTER(arg_ifname, freep);
76 STATIC_DESTRUCTOR_REGISTER(arg_set_dns, strv_freep);
77 STATIC_DESTRUCTOR_REGISTER(arg_set_domain, strv_freep);
78 STATIC_DESTRUCTOR_REGISTER(arg_set_nta, strv_freep);
79
80 typedef enum StatusMode {
81 STATUS_ALL,
82 STATUS_DNS,
83 STATUS_DOMAIN,
84 STATUS_DEFAULT_ROUTE,
85 STATUS_LLMNR,
86 STATUS_MDNS,
87 STATUS_PRIVATE,
88 STATUS_DNSSEC,
89 STATUS_NTA,
90 } StatusMode;
91
92 typedef struct InterfaceInfo {
93 int index;
94 const char *name;
95 } InterfaceInfo;
96
97 static int interface_info_compare(const InterfaceInfo *a, const InterfaceInfo *b) {
98 int r;
99
100 r = CMP(a->index, b->index);
101 if (r != 0)
102 return r;
103
104 return strcmp_ptr(a->name, b->name);
105 }
106
107 int ifname_mangle(const char *s) {
108 _cleanup_free_ char *iface = NULL;
109 int ifi;
110
111 assert(s);
112
113 iface = strdup(s);
114 if (!iface)
115 return log_oom();
116
117 ifi = rtnl_resolve_interface(NULL, iface);
118 if (ifi < 0) {
119 if (ifi == -ENODEV && arg_ifindex_permissive) {
120 log_debug("Interface '%s' not found, but -f specified, ignoring.", iface);
121 return 0; /* done */
122 }
123
124 return log_error_errno(ifi, "Failed to resolve interface \"%s\": %m", iface);
125 }
126
127 if (arg_ifindex > 0 && arg_ifindex != ifi)
128 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Specified multiple different interfaces. Refusing.");
129
130 arg_ifindex = ifi;
131 free_and_replace(arg_ifname, iface);
132
133 return 1;
134 }
135
136 int ifname_resolvconf_mangle(const char *s) {
137 const char *dot;
138
139 assert(s);
140
141 dot = strrchr(s, '.');
142 if (dot) {
143 _cleanup_free_ char *iface = NULL;
144
145 log_debug("Ignoring protocol specifier '%s'.", dot + 1);
146 iface = strndup(s, dot - s);
147 if (!iface)
148 return log_oom();
149 return ifname_mangle(iface);
150 } else
151 return ifname_mangle(s);
152 }
153
154 static void print_source(uint64_t flags, usec_t rtt) {
155 if (!arg_legend)
156 return;
157
158 if (flags == 0)
159 return;
160
161 printf("\n%s-- Information acquired via", ansi_grey());
162
163 printf(" protocol%s%s%s%s%s",
164 flags & SD_RESOLVED_DNS ? " DNS" :"",
165 flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
166 flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
167 flags & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
168 flags & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
169
170 printf(" in %s.%s\n"
171 "%s-- Data is authenticated: %s; Data was acquired via local or encrypted transport: %s%s\n",
172 FORMAT_TIMESPAN(rtt, 100),
173 ansi_normal(),
174 ansi_grey(),
175 yes_no(flags & SD_RESOLVED_AUTHENTICATED),
176 yes_no(flags & SD_RESOLVED_CONFIDENTIAL),
177 ansi_normal());
178
179 if ((flags & (SD_RESOLVED_FROM_MASK|SD_RESOLVED_SYNTHETIC)) != 0)
180 printf("%s-- Data from:%s%s%s%s%s%s\n",
181 ansi_grey(),
182 FLAGS_SET(flags, SD_RESOLVED_SYNTHETIC) ? " synthetic" : "",
183 FLAGS_SET(flags, SD_RESOLVED_FROM_CACHE) ? " cache" : "",
184 FLAGS_SET(flags, SD_RESOLVED_FROM_ZONE) ? " zone" : "",
185 FLAGS_SET(flags, SD_RESOLVED_FROM_TRUST_ANCHOR) ? " trust-anchor" : "",
186 FLAGS_SET(flags, SD_RESOLVED_FROM_NETWORK) ? " network" : "",
187 ansi_normal());
188 }
189
190 static void print_ifindex_comment(int printed_so_far, int ifindex) {
191 char ifname[IF_NAMESIZE];
192 int r;
193
194 if (ifindex <= 0)
195 return;
196
197 r = format_ifname(ifindex, ifname);
198 if (r < 0)
199 return (void) log_warning_errno(r, "Failed to resolve interface name for index %i, ignoring: %m", ifindex);
200
201 printf("%*s%s-- link: %s%s",
202 60 > printed_so_far ? 60 - printed_so_far : 0, " ", /* Align comment to the 60th column */
203 ansi_grey(), ifname, ansi_normal());
204 }
205
206 static int resolve_host(sd_bus *bus, const char *name) {
207 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
208 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
209 const char *canonical = NULL;
210 unsigned c = 0;
211 uint64_t flags;
212 usec_t ts;
213 int r;
214
215 assert(name);
216
217 log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
218
219 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveHostname");
220 if (r < 0)
221 return bus_log_create_error(r);
222
223 r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
224 if (r < 0)
225 return bus_log_create_error(r);
226
227 ts = now(CLOCK_MONOTONIC);
228
229 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
230 if (r < 0)
231 return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(&error, r));
232
233 ts = now(CLOCK_MONOTONIC) - ts;
234
235 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
236 if (r < 0)
237 return bus_log_parse_error(r);
238
239 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
240 _cleanup_free_ char *pretty = NULL;
241 int ifindex, family, k;
242 union in_addr_union a;
243
244 assert_cc(sizeof(int) == sizeof(int32_t));
245
246 r = sd_bus_message_read(reply, "i", &ifindex);
247 if (r < 0)
248 return bus_log_parse_error(r);
249
250 sd_bus_error_free(&error);
251 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
252 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
253 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
254
255 r = sd_bus_message_exit_container(reply);
256 if (r < 0)
257 return bus_log_parse_error(r);
258
259 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
260 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
261 continue;
262 }
263
264 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
265 if (r < 0)
266 return log_error_errno(r, "Failed to print address for %s: %m", name);
267
268 k = printf("%*s%s %s%s%s",
269 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
270 ansi_highlight(), pretty, ansi_normal());
271
272 print_ifindex_comment(k, ifindex);
273 fputc('\n', stdout);
274
275 c++;
276 }
277 if (r < 0)
278 return bus_log_parse_error(r);
279
280 r = sd_bus_message_exit_container(reply);
281 if (r < 0)
282 return bus_log_parse_error(r);
283
284 r = sd_bus_message_read(reply, "st", &canonical, &flags);
285 if (r < 0)
286 return bus_log_parse_error(r);
287
288 if (!streq(name, canonical))
289 printf("%*s%s (%s)\n",
290 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
291 canonical);
292
293 if (c == 0)
294 return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
295 "%s: no addresses found", name);
296
297 print_source(flags, ts);
298
299 return 0;
300 }
301
302 static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
303 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
304 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
305 _cleanup_free_ char *pretty = NULL;
306 uint64_t flags;
307 unsigned c = 0;
308 usec_t ts;
309 int r;
310
311 assert(bus);
312 assert(IN_SET(family, AF_INET, AF_INET6));
313 assert(address);
314
315 if (ifindex <= 0)
316 ifindex = arg_ifindex;
317
318 r = in_addr_ifindex_to_string(family, address, ifindex, &pretty);
319 if (r < 0)
320 return log_oom();
321
322 log_debug("Resolving %s.", pretty);
323
324 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveAddress");
325 if (r < 0)
326 return bus_log_create_error(r);
327
328 r = sd_bus_message_append(req, "ii", ifindex, family);
329 if (r < 0)
330 return bus_log_create_error(r);
331
332 r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
333 if (r < 0)
334 return bus_log_create_error(r);
335
336 r = sd_bus_message_append(req, "t", arg_flags);
337 if (r < 0)
338 return bus_log_create_error(r);
339
340 ts = now(CLOCK_MONOTONIC);
341
342 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
343 if (r < 0)
344 return log_error_errno(r, "%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
345
346 ts = now(CLOCK_MONOTONIC) - ts;
347
348 r = sd_bus_message_enter_container(reply, 'a', "(is)");
349 if (r < 0)
350 return bus_log_create_error(r);
351
352 while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
353 const char *n;
354 int k;
355
356 assert_cc(sizeof(int) == sizeof(int32_t));
357
358 r = sd_bus_message_read(reply, "is", &ifindex, &n);
359 if (r < 0)
360 return r;
361
362 r = sd_bus_message_exit_container(reply);
363 if (r < 0)
364 return r;
365
366 k = printf("%*s%s %s%s%s",
367 (int) strlen(pretty), c == 0 ? pretty : "",
368 c == 0 ? ":" : " ",
369 ansi_highlight(), n, ansi_normal());
370
371 print_ifindex_comment(k, ifindex);
372 fputc('\n', stdout);
373
374 c++;
375 }
376 if (r < 0)
377 return bus_log_parse_error(r);
378
379 r = sd_bus_message_exit_container(reply);
380 if (r < 0)
381 return bus_log_parse_error(r);
382
383 r = sd_bus_message_read(reply, "t", &flags);
384 if (r < 0)
385 return bus_log_parse_error(r);
386
387 if (c == 0)
388 return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
389 "%s: no names found", pretty);
390
391 print_source(flags, ts);
392
393 return 0;
394 }
395
396 static int output_rr_packet(const void *d, size_t l, int ifindex) {
397 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
398 _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
399 int r;
400
401 r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX);
402 if (r < 0)
403 return log_oom();
404
405 p->refuse_compression = true;
406
407 r = dns_packet_append_blob(p, d, l, NULL);
408 if (r < 0)
409 return log_oom();
410
411 r = dns_packet_read_rr(p, &rr, NULL, NULL);
412 if (r < 0)
413 return log_error_errno(r, "Failed to parse RR: %m");
414
415 if (arg_raw == RAW_PAYLOAD) {
416 void *data;
417 ssize_t k;
418
419 k = dns_resource_record_payload(rr, &data);
420 if (k < 0)
421 return log_error_errno(k, "Cannot dump RR: %m");
422 fwrite(data, 1, k, stdout);
423 } else {
424 const char *s;
425 int k;
426
427 s = dns_resource_record_to_string(rr);
428 if (!s)
429 return log_oom();
430
431 k = printf("%s", s);
432 print_ifindex_comment(k, ifindex);
433 fputc('\n', stdout);
434 }
435
436 return 0;
437 }
438
439 static int idna_candidate(const char *name, char **ret) {
440 _cleanup_free_ char *idnafied = NULL;
441 int r;
442
443 assert(name);
444 assert(ret);
445
446 r = dns_name_apply_idna(name, &idnafied);
447 if (r < 0)
448 return log_error_errno(r, "Failed to apply IDNA to name '%s': %m", name);
449 if (r > 0 && !streq(name, idnafied)) {
450 *ret = TAKE_PTR(idnafied);
451 return true;
452 }
453
454 *ret = NULL;
455 return false;
456 }
457
458 static bool single_label_nonsynthetic(const char *name) {
459 _cleanup_free_ char *first_label = NULL;
460 int r;
461
462 if (!dns_name_is_single_label(name))
463 return false;
464
465 if (is_localhost(name) || is_gateway_hostname(name))
466 return false;
467
468 r = resolve_system_hostname(NULL, &first_label);
469 if (r < 0) {
470 log_warning_errno(r, "Failed to determine the hostname: %m");
471 return false;
472 }
473
474 return !streq(name, first_label);
475 }
476
477 static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type, bool warn_missing) {
478 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
479 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
480 _cleanup_free_ char *idnafied = NULL;
481 bool needs_authentication = false;
482 unsigned n = 0;
483 uint64_t flags;
484 usec_t ts;
485 int r;
486
487 assert(name);
488
489 log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(arg_ifname) ? "*" : arg_ifname);
490
491 if (dns_name_dot_suffixed(name) == 0 && single_label_nonsynthetic(name))
492 log_notice("(Note that search domains are not appended when --type= is specified. "
493 "Please specify fully qualified domain names, or remove --type= switch from invocation in order to request regular hostname resolution.)");
494
495 r = idna_candidate(name, &idnafied);
496 if (r < 0)
497 return r;
498 if (r > 0)
499 log_notice("(Note that IDNA translation is not applied when --type= is specified. "
500 "Please specify translated domain names — i.e. '%s' — when resolving raw records, or remove --type= switch from invocation in order to request regular hostname resolution.",
501 idnafied);
502
503 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveRecord");
504 if (r < 0)
505 return bus_log_create_error(r);
506
507 r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
508 if (r < 0)
509 return bus_log_create_error(r);
510
511 ts = now(CLOCK_MONOTONIC);
512
513 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
514 if (r < 0) {
515 if (warn_missing || r != -ENXIO)
516 log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r));
517 return r;
518 }
519
520 ts = now(CLOCK_MONOTONIC) - ts;
521
522 r = sd_bus_message_enter_container(reply, 'a', "(iqqay)");
523 if (r < 0)
524 return bus_log_parse_error(r);
525
526 while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
527 uint16_t c, t;
528 int ifindex;
529 const void *d;
530 size_t l;
531
532 assert_cc(sizeof(int) == sizeof(int32_t));
533
534 r = sd_bus_message_read(reply, "iqq", &ifindex, &c, &t);
535 if (r < 0)
536 return bus_log_parse_error(r);
537
538 r = sd_bus_message_read_array(reply, 'y', &d, &l);
539 if (r < 0)
540 return bus_log_parse_error(r);
541
542 r = sd_bus_message_exit_container(reply);
543 if (r < 0)
544 return bus_log_parse_error(r);
545
546 if (arg_raw == RAW_PACKET) {
547 uint64_t u64 = htole64(l);
548
549 fwrite(&u64, sizeof(u64), 1, stdout);
550 fwrite(d, 1, l, stdout);
551 } else {
552 r = output_rr_packet(d, l, ifindex);
553 if (r < 0)
554 return r;
555 }
556
557 if (dns_type_needs_authentication(t))
558 needs_authentication = true;
559
560 n++;
561 }
562 if (r < 0)
563 return bus_log_parse_error(r);
564
565 r = sd_bus_message_exit_container(reply);
566 if (r < 0)
567 return bus_log_parse_error(r);
568
569 r = sd_bus_message_read(reply, "t", &flags);
570 if (r < 0)
571 return bus_log_parse_error(r);
572
573 if (n == 0) {
574 if (warn_missing)
575 log_error("%s: no records found", name);
576 return -ESRCH;
577 }
578
579 print_source(flags, ts);
580
581 if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
582 fflush(stdout);
583
584 fprintf(stderr, "\n%s"
585 "WARNING: The resources shown contain cryptographic key data which could not be\n"
586 " authenticated. It is not suitable to authenticate any communication.\n"
587 " This is usually indication that DNSSEC authentication was not enabled\n"
588 " or is not available for the selected protocol or DNS servers.%s\n",
589 ansi_highlight_red(),
590 ansi_normal());
591 }
592
593 return 0;
594 }
595
596 static int resolve_rfc4501(sd_bus *bus, const char *name) {
597 uint16_t type = 0, class = 0;
598 const char *p, *q, *n;
599 int r;
600
601 assert(bus);
602 assert(name);
603 assert(startswith(name, "dns:"));
604
605 /* Parse RFC 4501 dns: URIs */
606
607 p = name + 4;
608
609 if (p[0] == '/') {
610 const char *e;
611
612 if (p[1] != '/')
613 goto invalid;
614
615 e = strchr(p + 2, '/');
616 if (!e)
617 goto invalid;
618
619 if (e != p + 2)
620 log_warning("DNS authority specification not supported; ignoring specified authority.");
621
622 p = e + 1;
623 }
624
625 q = strchr(p, '?');
626 if (q) {
627 n = strndupa_safe(p, q - p);
628 q++;
629
630 for (;;) {
631 const char *f;
632
633 f = startswith_no_case(q, "class=");
634 if (f) {
635 _cleanup_free_ char *t = NULL;
636 const char *e;
637
638 if (class != 0)
639 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
640 "DNS class specified twice.");
641
642 e = strchrnul(f, ';');
643 t = strndup(f, e - f);
644 if (!t)
645 return log_oom();
646
647 r = dns_class_from_string(t);
648 if (r < 0)
649 return log_error_errno(r, "Unknown DNS class %s.", t);
650
651 class = r;
652
653 if (*e == ';') {
654 q = e + 1;
655 continue;
656 }
657
658 break;
659 }
660
661 f = startswith_no_case(q, "type=");
662 if (f) {
663 _cleanup_free_ char *t = NULL;
664 const char *e;
665
666 if (type != 0)
667 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
668 "DNS type specified twice.");
669
670 e = strchrnul(f, ';');
671 t = strndup(f, e - f);
672 if (!t)
673 return log_oom();
674
675 r = dns_type_from_string(t);
676 if (r < 0)
677 return log_error_errno(r, "Unknown DNS type %s: %m", t);
678
679 type = r;
680
681 if (*e == ';') {
682 q = e + 1;
683 continue;
684 }
685
686 break;
687 }
688
689 goto invalid;
690 }
691 } else
692 n = p;
693
694 if (class == 0)
695 class = arg_class ?: DNS_CLASS_IN;
696 if (type == 0)
697 type = arg_type ?: DNS_TYPE_A;
698
699 return resolve_record(bus, n, class, type, true);
700
701 invalid:
702 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
703 "Invalid DNS URI: %s", name);
704 }
705
706 static int verb_query(int argc, char **argv, void *userdata) {
707 sd_bus *bus = userdata;
708 int q, r = 0;
709
710 if (arg_type != 0)
711 STRV_FOREACH(p, argv + 1) {
712 q = resolve_record(bus, *p, arg_class, arg_type, true);
713 if (q < 0)
714 r = q;
715 }
716
717 else
718 STRV_FOREACH(p, argv + 1) {
719 if (startswith(*p, "dns:"))
720 q = resolve_rfc4501(bus, *p);
721 else {
722 int family, ifindex;
723 union in_addr_union a;
724
725 q = in_addr_ifindex_from_string_auto(*p, &family, &a, &ifindex);
726 if (q >= 0)
727 q = resolve_address(bus, family, &a, ifindex);
728 else
729 q = resolve_host(bus, *p);
730 }
731 if (q < 0)
732 r = q;
733 }
734
735 return r;
736 }
737
738 static int resolve_service(sd_bus *bus, const char *name, const char *type, const char *domain) {
739 const char *canonical_name, *canonical_type, *canonical_domain;
740 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
741 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
742 size_t indent, sz;
743 uint64_t flags;
744 const char *p;
745 unsigned c;
746 usec_t ts;
747 int r;
748
749 assert(bus);
750 assert(domain);
751
752 name = empty_to_null(name);
753 type = empty_to_null(type);
754
755 if (name)
756 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);
757 else if (type)
758 log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
759 else
760 log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
761
762 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveService");
763 if (r < 0)
764 return bus_log_create_error(r);
765
766 r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
767 if (r < 0)
768 return bus_log_create_error(r);
769
770 ts = now(CLOCK_MONOTONIC);
771
772 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
773 if (r < 0)
774 return log_error_errno(r, "Resolve call failed: %s", bus_error_message(&error, r));
775
776 ts = now(CLOCK_MONOTONIC) - ts;
777
778 r = sd_bus_message_enter_container(reply, 'a', "(qqqsa(iiay)s)");
779 if (r < 0)
780 return bus_log_parse_error(r);
781
782 indent =
783 (name ? strlen(name) + 1 : 0) +
784 (type ? strlen(type) + 1 : 0) +
785 strlen(domain) + 2;
786
787 c = 0;
788 while ((r = sd_bus_message_enter_container(reply, 'r', "qqqsa(iiay)s")) > 0) {
789 uint16_t priority, weight, port;
790 const char *hostname, *canonical;
791
792 r = sd_bus_message_read(reply, "qqqs", &priority, &weight, &port, &hostname);
793 if (r < 0)
794 return bus_log_parse_error(r);
795
796 if (name)
797 printf("%*s%s", (int) strlen(name), c == 0 ? name : "", c == 0 ? "/" : " ");
798 if (type)
799 printf("%*s%s", (int) strlen(type), c == 0 ? type : "", c == 0 ? "/" : " ");
800
801 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
802 (int) strlen(domain), c == 0 ? domain : "",
803 c == 0 ? ":" : " ",
804 hostname, port,
805 priority, weight);
806
807 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
808 if (r < 0)
809 return bus_log_parse_error(r);
810
811 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
812 _cleanup_free_ char *pretty = NULL;
813 int ifindex, family, k;
814 union in_addr_union a;
815
816 assert_cc(sizeof(int) == sizeof(int32_t));
817
818 r = sd_bus_message_read(reply, "i", &ifindex);
819 if (r < 0)
820 return bus_log_parse_error(r);
821
822 sd_bus_error_free(&error);
823 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
824 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
825 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
826
827 r = sd_bus_message_exit_container(reply);
828 if (r < 0)
829 return bus_log_parse_error(r);
830
831 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
832 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
833 continue;
834 }
835
836 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
837 if (r < 0)
838 return log_error_errno(r, "Failed to print address for %s: %m", name);
839
840 k = printf("%*s%s", (int) indent, "", pretty);
841 print_ifindex_comment(k, ifindex);
842 fputc('\n', stdout);
843 }
844 if (r < 0)
845 return bus_log_parse_error(r);
846
847 r = sd_bus_message_exit_container(reply);
848 if (r < 0)
849 return bus_log_parse_error(r);
850
851 r = sd_bus_message_read(reply, "s", &canonical);
852 if (r < 0)
853 return bus_log_parse_error(r);
854
855 if (!streq(hostname, canonical))
856 printf("%*s(%s)\n", (int) indent, "", canonical);
857
858 r = sd_bus_message_exit_container(reply);
859 if (r < 0)
860 return bus_log_parse_error(r);
861
862 c++;
863 }
864 if (r < 0)
865 return bus_log_parse_error(r);
866
867 r = sd_bus_message_exit_container(reply);
868 if (r < 0)
869 return bus_log_parse_error(r);
870
871 r = sd_bus_message_enter_container(reply, 'a', "ay");
872 if (r < 0)
873 return bus_log_parse_error(r);
874
875 while ((r = sd_bus_message_read_array(reply, 'y', (const void**) &p, &sz)) > 0) {
876 _cleanup_free_ char *escaped = NULL;
877
878 escaped = cescape_length(p, sz);
879 if (!escaped)
880 return log_oom();
881
882 printf("%*s%s\n", (int) indent, "", escaped);
883 }
884 if (r < 0)
885 return bus_log_parse_error(r);
886
887 r = sd_bus_message_exit_container(reply);
888 if (r < 0)
889 return bus_log_parse_error(r);
890
891 r = sd_bus_message_read(reply, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
892 if (r < 0)
893 return bus_log_parse_error(r);
894
895 canonical_name = empty_to_null(canonical_name);
896 canonical_type = empty_to_null(canonical_type);
897
898 if (!streq_ptr(name, canonical_name) ||
899 !streq_ptr(type, canonical_type) ||
900 !streq_ptr(domain, canonical_domain)) {
901
902 printf("%*s(", (int) indent, "");
903
904 if (canonical_name)
905 printf("%s/", canonical_name);
906 if (canonical_type)
907 printf("%s/", canonical_type);
908
909 printf("%s)\n", canonical_domain);
910 }
911
912 print_source(flags, ts);
913
914 return 0;
915 }
916
917 static int verb_service(int argc, char **argv, void *userdata) {
918 sd_bus *bus = userdata;
919
920 if (argc == 2)
921 return resolve_service(bus, NULL, NULL, argv[1]);
922 else if (argc == 3)
923 return resolve_service(bus, NULL, argv[1], argv[2]);
924 else
925 return resolve_service(bus, argv[1], argv[2], argv[3]);
926 }
927
928 static int resolve_openpgp(sd_bus *bus, const char *address) {
929 const char *domain, *full;
930 int r;
931 _cleanup_free_ char *hashed = NULL;
932
933 assert(bus);
934 assert(address);
935
936 domain = strrchr(address, '@');
937 if (!domain)
938 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
939 "Address does not contain '@': \"%s\"", address);
940 if (domain == address || domain[1] == '\0')
941 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
942 "Address starts or ends with '@': \"%s\"", address);
943 domain++;
944
945 r = string_hashsum_sha256(address, domain - 1 - address, &hashed);
946 if (r < 0)
947 return log_error_errno(r, "Hashing failed: %m");
948
949 strshorten(hashed, 56);
950
951 full = strjoina(hashed, "._openpgpkey.", domain);
952 log_debug("Looking up \"%s\".", full);
953
954 r = resolve_record(bus, full,
955 arg_class ?: DNS_CLASS_IN,
956 arg_type ?: DNS_TYPE_OPENPGPKEY, false);
957
958 if (IN_SET(r, -ENXIO, -ESRCH)) { /* NXDOMAIN or NODATA? */
959 hashed = mfree(hashed);
960 r = string_hashsum_sha224(address, domain - 1 - address, &hashed);
961 if (r < 0)
962 return log_error_errno(r, "Hashing failed: %m");
963
964 full = strjoina(hashed, "._openpgpkey.", domain);
965 log_debug("Looking up \"%s\".", full);
966
967 return resolve_record(bus, full,
968 arg_class ?: DNS_CLASS_IN,
969 arg_type ?: DNS_TYPE_OPENPGPKEY, true);
970 }
971
972 return r;
973 }
974
975 static int verb_openpgp(int argc, char **argv, void *userdata) {
976 sd_bus *bus = userdata;
977 int q, r = 0;
978
979 STRV_FOREACH(p, argv + 1) {
980 q = resolve_openpgp(bus, *p);
981 if (q < 0)
982 r = q;
983 }
984
985 return r;
986 }
987
988 static int resolve_tlsa(sd_bus *bus, const char *family, const char *address) {
989 const char *port;
990 uint16_t port_num = 443;
991 _cleanup_free_ char *full = NULL;
992 int r;
993
994 assert(bus);
995 assert(address);
996
997 port = strrchr(address, ':');
998 if (port) {
999 r = parse_ip_port(port + 1, &port_num);
1000 if (r < 0)
1001 return log_error_errno(r, "Invalid port \"%s\".", port + 1);
1002
1003 address = strndupa_safe(address, port - address);
1004 }
1005
1006 r = asprintf(&full, "_%u._%s.%s",
1007 port_num,
1008 family,
1009 address);
1010 if (r < 0)
1011 return log_oom();
1012
1013 log_debug("Looking up \"%s\".", full);
1014
1015 return resolve_record(bus, full,
1016 arg_class ?: DNS_CLASS_IN,
1017 arg_type ?: DNS_TYPE_TLSA, true);
1018 }
1019
1020 static bool service_family_is_valid(const char *s) {
1021 return STR_IN_SET(s, "tcp", "udp", "sctp");
1022 }
1023
1024 static int verb_tlsa(int argc, char **argv, void *userdata) {
1025 sd_bus *bus = userdata;
1026 char **args = argv + 1;
1027 const char *family = "tcp";
1028 int q, r = 0;
1029
1030 if (service_family_is_valid(argv[1])) {
1031 family = argv[1];
1032 args++;
1033 }
1034
1035 STRV_FOREACH(p, args) {
1036 q = resolve_tlsa(bus, family, *p);
1037 if (q < 0)
1038 r = q;
1039 }
1040
1041 return r;
1042 }
1043
1044 static int show_statistics(int argc, char **argv, void *userdata) {
1045 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1046 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1047 _cleanup_(table_unrefp) Table *table = NULL;
1048 sd_bus *bus = ASSERT_PTR(userdata);
1049 uint64_t n_current_transactions, n_total_transactions,
1050 cache_size, n_cache_hit, n_cache_miss,
1051 n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
1052 int r, dnssec_supported;
1053
1054 r = bus_get_property_trivial(bus, bus_resolve_mgr, "DNSSECSupported", &error, 'b', &dnssec_supported);
1055 if (r < 0)
1056 return log_error_errno(r, "Failed to get DNSSEC supported state: %s", bus_error_message(&error, r));
1057
1058 printf("DNSSEC supported by current servers: %s%s%s\n\n",
1059 ansi_highlight(),
1060 yes_no(dnssec_supported),
1061 ansi_normal());
1062
1063 r = bus_get_property(bus, bus_resolve_mgr, "TransactionStatistics", &error, &reply, "(tt)");
1064 if (r < 0)
1065 return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
1066
1067 r = sd_bus_message_read(reply, "(tt)",
1068 &n_current_transactions,
1069 &n_total_transactions);
1070 if (r < 0)
1071 return bus_log_parse_error(r);
1072
1073 reply = sd_bus_message_unref(reply);
1074
1075 r = bus_get_property(bus, bus_resolve_mgr, "CacheStatistics", &error, &reply, "(ttt)");
1076 if (r < 0)
1077 return log_error_errno(r, "Failed to get cache statistics: %s", bus_error_message(&error, r));
1078
1079 r = sd_bus_message_read(reply, "(ttt)",
1080 &cache_size,
1081 &n_cache_hit,
1082 &n_cache_miss);
1083 if (r < 0)
1084 return bus_log_parse_error(r);
1085
1086 reply = sd_bus_message_unref(reply);
1087
1088 r = bus_get_property(bus, bus_resolve_mgr, "DNSSECStatistics", &error, &reply, "(tttt)");
1089 if (r < 0)
1090 return log_error_errno(r, "Failed to get DNSSEC statistics: %s", bus_error_message(&error, r));
1091
1092 r = sd_bus_message_read(reply, "(tttt)",
1093 &n_dnssec_secure,
1094 &n_dnssec_insecure,
1095 &n_dnssec_bogus,
1096 &n_dnssec_indeterminate);
1097 if (r < 0)
1098 return bus_log_parse_error(r);
1099
1100 table = table_new("key", "value");
1101 if (!table)
1102 return log_oom();
1103
1104 table_set_header(table, false);
1105
1106 r = table_add_many(table,
1107 TABLE_STRING, "Transactions",
1108 TABLE_SET_COLOR, ansi_highlight(),
1109 TABLE_EMPTY,
1110 TABLE_STRING, "Current Transactions:",
1111 TABLE_SET_ALIGN_PERCENT, 100,
1112 TABLE_UINT64, n_current_transactions,
1113 TABLE_STRING, "Total Transactions:",
1114 TABLE_UINT64, n_total_transactions,
1115 TABLE_EMPTY, TABLE_EMPTY,
1116 TABLE_STRING, "Cache",
1117 TABLE_SET_COLOR, ansi_highlight(),
1118 TABLE_SET_ALIGN_PERCENT, 0,
1119 TABLE_EMPTY,
1120 TABLE_STRING, "Current Cache Size:",
1121 TABLE_SET_ALIGN_PERCENT, 100,
1122 TABLE_UINT64, cache_size,
1123 TABLE_STRING, "Cache Hits:",
1124 TABLE_UINT64, n_cache_hit,
1125 TABLE_STRING, "Cache Misses:",
1126 TABLE_UINT64, n_cache_miss,
1127 TABLE_EMPTY, TABLE_EMPTY,
1128 TABLE_STRING, "DNSSEC Verdicts",
1129 TABLE_SET_COLOR, ansi_highlight(),
1130 TABLE_SET_ALIGN_PERCENT, 0,
1131 TABLE_EMPTY,
1132 TABLE_STRING, "Secure:",
1133 TABLE_SET_ALIGN_PERCENT, 100,
1134 TABLE_UINT64, n_dnssec_secure,
1135 TABLE_STRING, "Insecure:",
1136 TABLE_UINT64, n_dnssec_insecure,
1137 TABLE_STRING, "Bogus:",
1138 TABLE_UINT64, n_dnssec_bogus,
1139 TABLE_STRING, "Indeterminate:",
1140 TABLE_UINT64, n_dnssec_indeterminate);
1141 if (r < 0)
1142 table_log_add_error(r);
1143
1144 r = table_print(table, NULL);
1145 if (r < 0)
1146 return table_log_print_error(r);
1147
1148 return 0;
1149 }
1150
1151 static int reset_statistics(int argc, char **argv, void *userdata) {
1152 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1153 sd_bus *bus = userdata;
1154 int r;
1155
1156 r = bus_call_method(bus, bus_resolve_mgr, "ResetStatistics", &error, NULL, NULL);
1157 if (r < 0)
1158 return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
1159
1160 return 0;
1161 }
1162
1163 static int flush_caches(int argc, char **argv, void *userdata) {
1164 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1165 sd_bus *bus = userdata;
1166 int r;
1167
1168 r = bus_call_method(bus, bus_resolve_mgr, "FlushCaches", &error, NULL, NULL);
1169 if (r < 0)
1170 return log_error_errno(r, "Failed to flush caches: %s", bus_error_message(&error, r));
1171
1172 return 0;
1173 }
1174
1175 static int reset_server_features(int argc, char **argv, void *userdata) {
1176 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1177 sd_bus *bus = userdata;
1178 int r;
1179
1180 r = bus_call_method(bus, bus_resolve_mgr, "ResetServerFeatures", &error, NULL, NULL);
1181 if (r < 0)
1182 return log_error_errno(r, "Failed to reset server features: %s", bus_error_message(&error, r));
1183
1184 return 0;
1185 }
1186
1187 static int read_dns_server_one(sd_bus_message *m, bool with_ifindex, bool extended, char **ret) {
1188 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1189 _cleanup_free_ char *pretty = NULL;
1190 int ifindex, family, r, k;
1191 union in_addr_union a;
1192 const char *name = NULL;
1193 uint16_t port = 0;
1194
1195 assert(m);
1196 assert(ret);
1197
1198 r = sd_bus_message_enter_container(m, 'r', with_ifindex ? (extended ? "iiayqs" : "iiay") : (extended ? "iayqs" : "iay"));
1199 if (r <= 0)
1200 return r;
1201
1202 if (with_ifindex) {
1203 r = sd_bus_message_read(m, "i", &ifindex);
1204 if (r < 0)
1205 return r;
1206 }
1207
1208 k = bus_message_read_in_addr_auto(m, &error, &family, &a);
1209 if (k < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
1210 return k;
1211
1212 if (extended) {
1213 r = sd_bus_message_read(m, "q", &port);
1214 if (r < 0)
1215 return r;
1216
1217 r = sd_bus_message_read(m, "s", &name);
1218 if (r < 0)
1219 return r;
1220 }
1221
1222 r = sd_bus_message_exit_container(m);
1223 if (r < 0)
1224 return r;
1225
1226 if (k < 0) {
1227 log_debug("Invalid DNS server, ignoring: %s", bus_error_message(&error, k));
1228 *ret = NULL;
1229 return 1;
1230 }
1231
1232 if (with_ifindex && ifindex != 0) {
1233 /* only show the global ones here */
1234 *ret = NULL;
1235 return 1;
1236 }
1237
1238 r = in_addr_port_ifindex_name_to_string(family, &a, port, ifindex, name, &pretty);
1239 if (r < 0)
1240 return r;
1241
1242 *ret = TAKE_PTR(pretty);
1243
1244 return 1;
1245 }
1246
1247 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) {
1248 char ***l = ASSERT_PTR(userdata);
1249 int r;
1250
1251 assert(bus);
1252 assert(member);
1253 assert(m);
1254
1255 r = sd_bus_message_enter_container(m, 'a', extended ? "(iayqs)" : "(iay)");
1256 if (r < 0)
1257 return r;
1258
1259 for (;;) {
1260 _cleanup_free_ char *pretty = NULL;
1261
1262 r = read_dns_server_one(m, false, extended, &pretty);
1263 if (r < 0)
1264 return r;
1265 if (r == 0)
1266 break;
1267
1268 if (isempty(pretty))
1269 continue;
1270
1271 r = strv_consume(l, TAKE_PTR(pretty));
1272 if (r < 0)
1273 return r;
1274 }
1275
1276 r = sd_bus_message_exit_container(m);
1277 if (r < 0)
1278 return r;
1279
1280 return 0;
1281 }
1282
1283 static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1284 return map_link_dns_servers_internal(bus, member, m, error, userdata, false);
1285 }
1286
1287 static int map_link_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1288 return map_link_dns_servers_internal(bus, member, m, error, userdata, true);
1289 }
1290
1291 static int map_link_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1292 assert(m);
1293 assert(userdata);
1294
1295 return read_dns_server_one(m, false, false, userdata);
1296 }
1297
1298 static int map_link_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1299 assert(m);
1300 assert(userdata);
1301
1302 return read_dns_server_one(m, false, true, userdata);
1303 }
1304
1305 static int read_domain_one(sd_bus_message *m, bool with_ifindex, char **ret) {
1306 _cleanup_free_ char *str = NULL;
1307 int ifindex, route_only, r;
1308 const char *domain;
1309
1310 assert(m);
1311 assert(ret);
1312
1313 if (with_ifindex)
1314 r = sd_bus_message_read(m, "(isb)", &ifindex, &domain, &route_only);
1315 else
1316 r = sd_bus_message_read(m, "(sb)", &domain, &route_only);
1317 if (r <= 0)
1318 return r;
1319
1320 if (with_ifindex && ifindex != 0) {
1321 /* only show the global ones here */
1322 *ret = NULL;
1323 return 1;
1324 }
1325
1326 if (route_only)
1327 str = strjoin("~", domain);
1328 else
1329 str = strdup(domain);
1330 if (!str)
1331 return -ENOMEM;
1332
1333 *ret = TAKE_PTR(str);
1334
1335 return 1;
1336 }
1337
1338 static int map_link_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1339 char ***l = ASSERT_PTR(userdata);
1340 int r;
1341
1342 assert(bus);
1343 assert(member);
1344 assert(m);
1345
1346 r = sd_bus_message_enter_container(m, 'a', "(sb)");
1347 if (r < 0)
1348 return r;
1349
1350 for (;;) {
1351 _cleanup_free_ char *pretty = NULL;
1352
1353 r = read_domain_one(m, false, &pretty);
1354 if (r < 0)
1355 return r;
1356 if (r == 0)
1357 break;
1358
1359 if (isempty(pretty))
1360 continue;
1361
1362 r = strv_consume(l, TAKE_PTR(pretty));
1363 if (r < 0)
1364 return r;
1365 }
1366
1367 r = sd_bus_message_exit_container(m);
1368 if (r < 0)
1369 return r;
1370
1371 strv_sort(*l);
1372
1373 return 0;
1374 }
1375
1376 static int status_print_strv_ifindex(int ifindex, const char *ifname, char **p) {
1377 const unsigned indent = strlen("Global: "); /* Use the same indentation everywhere to make things nice */
1378 int pos1, pos2;
1379
1380 if (ifname)
1381 printf("%s%nLink %i (%s)%n%s:", ansi_highlight(), &pos1, ifindex, ifname, &pos2, ansi_normal());
1382 else
1383 printf("%s%nGlobal%n%s:", ansi_highlight(), &pos1, &pos2, ansi_normal());
1384
1385 size_t cols = columns(), position = pos2 - pos1 + 2;
1386
1387 STRV_FOREACH(i, p) {
1388 size_t our_len = utf8_console_width(*i); /* This returns -1 on invalid utf-8 (which shouldn't happen).
1389 * If that happens, we'll just print one item per line. */
1390
1391 if (position <= indent || size_add(size_add(position, 1), our_len) < cols) {
1392 printf(" %s", *i);
1393 position = size_add(size_add(position, 1), our_len);
1394 } else {
1395 printf("\n%*s%s", (int) indent, "", *i);
1396 position = size_add(our_len, indent);
1397 }
1398 }
1399
1400 printf("\n");
1401
1402 return 0;
1403 }
1404
1405 static int status_print_strv_global(char **p) {
1406 return status_print_strv_ifindex(0, NULL, p);
1407 }
1408
1409 typedef struct LinkInfo {
1410 uint64_t scopes_mask;
1411 const char *llmnr;
1412 const char *mdns;
1413 const char *dns_over_tls;
1414 const char *dnssec;
1415 char *current_dns;
1416 char *current_dns_ex;
1417 char **dns;
1418 char **dns_ex;
1419 char **domains;
1420 char **ntas;
1421 bool dnssec_supported;
1422 bool default_route;
1423 } LinkInfo;
1424
1425 typedef struct GlobalInfo {
1426 char *current_dns;
1427 char *current_dns_ex;
1428 char **dns;
1429 char **dns_ex;
1430 char **fallback_dns;
1431 char **fallback_dns_ex;
1432 char **domains;
1433 char **ntas;
1434 const char *llmnr;
1435 const char *mdns;
1436 const char *dns_over_tls;
1437 const char *dnssec;
1438 const char *resolv_conf_mode;
1439 bool dnssec_supported;
1440 } GlobalInfo;
1441
1442 static void link_info_clear(LinkInfo *p) {
1443 free(p->current_dns);
1444 free(p->current_dns_ex);
1445 strv_free(p->dns);
1446 strv_free(p->dns_ex);
1447 strv_free(p->domains);
1448 strv_free(p->ntas);
1449 }
1450
1451 static void global_info_clear(GlobalInfo *p) {
1452 free(p->current_dns);
1453 free(p->current_dns_ex);
1454 strv_free(p->dns);
1455 strv_free(p->dns_ex);
1456 strv_free(p->fallback_dns);
1457 strv_free(p->fallback_dns_ex);
1458 strv_free(p->domains);
1459 strv_free(p->ntas);
1460 }
1461
1462 static int dump_list(Table *table, const char *prefix, char * const *l) {
1463 int r;
1464
1465 if (strv_isempty(l))
1466 return 0;
1467
1468 r = table_add_many(table,
1469 TABLE_STRING, prefix,
1470 TABLE_STRV_WRAPPED, l);
1471 if (r < 0)
1472 return table_log_add_error(r);
1473
1474 return 0;
1475 }
1476
1477 static int strv_extend_extended_bool(char ***strv, const char *name, const char *value) {
1478 int r;
1479
1480 if (value) {
1481 r = parse_boolean(value);
1482 if (r >= 0)
1483 return strv_extendf(strv, "%s%s", plus_minus(r), name);
1484 }
1485
1486 return strv_extendf(strv, "%s=%s", name, value ?: "???");
1487 }
1488
1489 static char** link_protocol_status(const LinkInfo *info) {
1490 _cleanup_strv_free_ char **s = NULL;
1491
1492 if (strv_extendf(&s, "%sDefaultRoute", plus_minus(info->default_route)) < 0)
1493 return NULL;
1494
1495 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1496 return NULL;
1497
1498 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1499 return NULL;
1500
1501 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1502 return NULL;
1503
1504 if (strv_extendf(&s, "DNSSEC=%s/%s",
1505 info->dnssec ?: "???",
1506 info->dnssec_supported ? "supported" : "unsupported") < 0)
1507 return NULL;
1508
1509 return TAKE_PTR(s);
1510 }
1511
1512 static char** global_protocol_status(const GlobalInfo *info) {
1513 _cleanup_strv_free_ char **s = NULL;
1514
1515 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1516 return NULL;
1517
1518 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1519 return NULL;
1520
1521 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1522 return NULL;
1523
1524 if (strv_extendf(&s, "DNSSEC=%s/%s",
1525 info->dnssec ?: "???",
1526 info->dnssec_supported ? "supported" : "unsupported") < 0)
1527 return NULL;
1528
1529 return TAKE_PTR(s);
1530 }
1531
1532 static int status_ifindex(sd_bus *bus, int ifindex, const char *name, StatusMode mode, bool *empty_line) {
1533 static const struct bus_properties_map property_map[] = {
1534 { "ScopesMask", "t", NULL, offsetof(LinkInfo, scopes_mask) },
1535 { "DNS", "a(iay)", map_link_dns_servers, offsetof(LinkInfo, dns) },
1536 { "DNSEx", "a(iayqs)", map_link_dns_servers_ex, offsetof(LinkInfo, dns_ex) },
1537 { "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(LinkInfo, current_dns) },
1538 { "CurrentDNSServerEx", "(iayqs)", map_link_current_dns_server_ex, offsetof(LinkInfo, current_dns_ex) },
1539 { "Domains", "a(sb)", map_link_domains, offsetof(LinkInfo, domains) },
1540 { "DefaultRoute", "b", NULL, offsetof(LinkInfo, default_route) },
1541 { "LLMNR", "s", NULL, offsetof(LinkInfo, llmnr) },
1542 { "MulticastDNS", "s", NULL, offsetof(LinkInfo, mdns) },
1543 { "DNSOverTLS", "s", NULL, offsetof(LinkInfo, dns_over_tls) },
1544 { "DNSSEC", "s", NULL, offsetof(LinkInfo, dnssec) },
1545 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(LinkInfo, ntas) },
1546 { "DNSSECSupported", "b", NULL, offsetof(LinkInfo, dnssec_supported) },
1547 {}
1548 };
1549 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1550 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1551 _cleanup_(link_info_clear) LinkInfo link_info = {};
1552 _cleanup_(table_unrefp) Table *table = NULL;
1553 _cleanup_free_ char *p = NULL;
1554 char ifi[DECIMAL_STR_MAX(int)], ifname[IF_NAMESIZE];
1555 int r;
1556
1557 assert(bus);
1558 assert(ifindex > 0);
1559
1560 if (!name) {
1561 r = format_ifname(ifindex, ifname);
1562 if (r < 0)
1563 return log_error_errno(r, "Failed to resolve interface name for %i: %m", ifindex);
1564
1565 name = ifname;
1566 }
1567
1568 xsprintf(ifi, "%i", ifindex);
1569 r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi, &p);
1570 if (r < 0)
1571 return log_oom();
1572
1573 r = bus_map_all_properties(bus,
1574 "org.freedesktop.resolve1",
1575 p,
1576 property_map,
1577 BUS_MAP_BOOLEAN_AS_BOOL,
1578 &error,
1579 &m,
1580 &link_info);
1581 if (r < 0)
1582 return log_error_errno(r, "Failed to get link data for %i: %s", ifindex, bus_error_message(&error, r));
1583
1584 pager_open(arg_pager_flags);
1585
1586 if (mode == STATUS_DNS)
1587 return status_print_strv_ifindex(ifindex, name, link_info.dns_ex ?: link_info.dns);
1588
1589 if (mode == STATUS_DOMAIN)
1590 return status_print_strv_ifindex(ifindex, name, link_info.domains);
1591
1592 if (mode == STATUS_NTA)
1593 return status_print_strv_ifindex(ifindex, name, link_info.ntas);
1594
1595 if (mode == STATUS_DEFAULT_ROUTE) {
1596 printf("%sLink %i (%s)%s: %s\n",
1597 ansi_highlight(), ifindex, name, ansi_normal(),
1598 yes_no(link_info.default_route));
1599
1600 return 0;
1601 }
1602
1603 if (mode == STATUS_LLMNR) {
1604 printf("%sLink %i (%s)%s: %s\n",
1605 ansi_highlight(), ifindex, name, ansi_normal(),
1606 strna(link_info.llmnr));
1607
1608 return 0;
1609 }
1610
1611 if (mode == STATUS_MDNS) {
1612 printf("%sLink %i (%s)%s: %s\n",
1613 ansi_highlight(), ifindex, name, ansi_normal(),
1614 strna(link_info.mdns));
1615
1616 return 0;
1617 }
1618
1619 if (mode == STATUS_PRIVATE) {
1620 printf("%sLink %i (%s)%s: %s\n",
1621 ansi_highlight(), ifindex, name, ansi_normal(),
1622 strna(link_info.dns_over_tls));
1623
1624 return 0;
1625 }
1626
1627 if (mode == STATUS_DNSSEC) {
1628 printf("%sLink %i (%s)%s: %s\n",
1629 ansi_highlight(), ifindex, name, ansi_normal(),
1630 strna(link_info.dnssec));
1631
1632 return 0;
1633 }
1634
1635 if (empty_line && *empty_line)
1636 fputc('\n', stdout);
1637
1638 printf("%sLink %i (%s)%s\n",
1639 ansi_highlight(), ifindex, name, ansi_normal());
1640
1641 table = table_new("key", "value");
1642 if (!table)
1643 return log_oom();
1644
1645 table_set_header(table, false);
1646
1647 r = table_add_many(table,
1648 TABLE_STRING, "Current Scopes:",
1649 TABLE_SET_ALIGN_PERCENT, 100);
1650 if (r < 0)
1651 return table_log_add_error(r);
1652
1653 if (link_info.scopes_mask == 0)
1654 r = table_add_cell(table, NULL, TABLE_STRING, "none");
1655 else {
1656 _cleanup_free_ char *buf = NULL;
1657 size_t len;
1658
1659 if (asprintf(&buf, "%s%s%s%s%s",
1660 link_info.scopes_mask & SD_RESOLVED_DNS ? "DNS " : "",
1661 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV4 ? "LLMNR/IPv4 " : "",
1662 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV6 ? "LLMNR/IPv6 " : "",
1663 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? "mDNS/IPv4 " : "",
1664 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? "mDNS/IPv6 " : "") < 0)
1665 return log_oom();
1666
1667 len = strlen(buf);
1668 assert(len > 0);
1669 buf[len - 1] = '\0';
1670
1671 r = table_add_cell(table, NULL, TABLE_STRING, buf);
1672 }
1673 if (r < 0)
1674 return table_log_add_error(r);
1675
1676 _cleanup_strv_free_ char **pstatus = link_protocol_status(&link_info);
1677 if (!pstatus)
1678 return log_oom();
1679
1680 r = table_add_many(table,
1681 TABLE_STRING, "Protocols:",
1682 TABLE_STRV_WRAPPED, pstatus);
1683 if (r < 0)
1684 return table_log_add_error(r);
1685
1686 if (link_info.current_dns) {
1687 r = table_add_many(table,
1688 TABLE_STRING, "Current DNS Server:",
1689 TABLE_STRING, link_info.current_dns_ex ?: link_info.current_dns);
1690 if (r < 0)
1691 return table_log_add_error(r);
1692 }
1693
1694 r = dump_list(table, "DNS Servers:", link_info.dns_ex ?: link_info.dns);
1695 if (r < 0)
1696 return r;
1697
1698 r = dump_list(table, "DNS Domain:", link_info.domains);
1699 if (r < 0)
1700 return r;
1701
1702 r = table_print(table, NULL);
1703 if (r < 0)
1704 return table_log_print_error(r);
1705
1706 if (empty_line)
1707 *empty_line = true;
1708
1709 return 0;
1710 }
1711
1712 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) {
1713 char ***l = ASSERT_PTR(userdata);
1714 int r;
1715
1716 assert(bus);
1717 assert(member);
1718 assert(m);
1719
1720 r = sd_bus_message_enter_container(m, 'a', extended ? "(iiayqs)" : "(iiay)");
1721 if (r < 0)
1722 return r;
1723
1724 for (;;) {
1725 _cleanup_free_ char *pretty = NULL;
1726
1727 r = read_dns_server_one(m, true, extended, &pretty);
1728 if (r < 0)
1729 return r;
1730 if (r == 0)
1731 break;
1732
1733 if (isempty(pretty))
1734 continue;
1735
1736 r = strv_consume(l, TAKE_PTR(pretty));
1737 if (r < 0)
1738 return r;
1739 }
1740
1741 r = sd_bus_message_exit_container(m);
1742 if (r < 0)
1743 return r;
1744
1745 return 0;
1746 }
1747
1748 static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1749 return map_global_dns_servers_internal(bus, member, m, error, userdata, false);
1750 }
1751
1752 static int map_global_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1753 return map_global_dns_servers_internal(bus, member, m, error, userdata, true);
1754 }
1755
1756 static int map_global_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1757 assert(m);
1758 assert(userdata);
1759
1760 return read_dns_server_one(m, true, false, userdata);
1761 }
1762
1763 static int map_global_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1764 assert(m);
1765 assert(userdata);
1766
1767 return read_dns_server_one(m, true, true, userdata);
1768 }
1769
1770 static int map_global_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1771 char ***l = ASSERT_PTR(userdata);
1772 int r;
1773
1774 assert(bus);
1775 assert(member);
1776 assert(m);
1777
1778 r = sd_bus_message_enter_container(m, 'a', "(isb)");
1779 if (r < 0)
1780 return r;
1781
1782 for (;;) {
1783 _cleanup_free_ char *pretty = NULL;
1784
1785 r = read_domain_one(m, true, &pretty);
1786 if (r < 0)
1787 return r;
1788 if (r == 0)
1789 break;
1790
1791 if (isempty(pretty))
1792 continue;
1793
1794 r = strv_consume(l, TAKE_PTR(pretty));
1795 if (r < 0)
1796 return r;
1797 }
1798
1799 r = sd_bus_message_exit_container(m);
1800 if (r < 0)
1801 return r;
1802
1803 strv_sort(*l);
1804
1805 return 0;
1806 }
1807
1808 static int status_global(sd_bus *bus, StatusMode mode, bool *empty_line) {
1809 static const struct bus_properties_map property_map[] = {
1810 { "DNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, dns) },
1811 { "DNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, dns_ex) },
1812 { "FallbackDNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, fallback_dns) },
1813 { "FallbackDNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, fallback_dns_ex) },
1814 { "CurrentDNSServer", "(iiay)", map_global_current_dns_server, offsetof(GlobalInfo, current_dns) },
1815 { "CurrentDNSServerEx", "(iiayqs)", map_global_current_dns_server_ex, offsetof(GlobalInfo, current_dns_ex) },
1816 { "Domains", "a(isb)", map_global_domains, offsetof(GlobalInfo, domains) },
1817 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(GlobalInfo, ntas) },
1818 { "LLMNR", "s", NULL, offsetof(GlobalInfo, llmnr) },
1819 { "MulticastDNS", "s", NULL, offsetof(GlobalInfo, mdns) },
1820 { "DNSOverTLS", "s", NULL, offsetof(GlobalInfo, dns_over_tls) },
1821 { "DNSSEC", "s", NULL, offsetof(GlobalInfo, dnssec) },
1822 { "DNSSECSupported", "b", NULL, offsetof(GlobalInfo, dnssec_supported) },
1823 { "ResolvConfMode", "s", NULL, offsetof(GlobalInfo, resolv_conf_mode) },
1824 {}
1825 };
1826 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1827 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1828 _cleanup_(global_info_clear) GlobalInfo global_info = {};
1829 _cleanup_(table_unrefp) Table *table = NULL;
1830 int r;
1831
1832 assert(bus);
1833 assert(empty_line);
1834
1835 r = bus_map_all_properties(bus,
1836 "org.freedesktop.resolve1",
1837 "/org/freedesktop/resolve1",
1838 property_map,
1839 BUS_MAP_BOOLEAN_AS_BOOL,
1840 &error,
1841 &m,
1842 &global_info);
1843 if (r < 0)
1844 return log_error_errno(r, "Failed to get global data: %s", bus_error_message(&error, r));
1845
1846 pager_open(arg_pager_flags);
1847
1848 if (mode == STATUS_DNS)
1849 return status_print_strv_global(global_info.dns_ex ?: global_info.dns);
1850
1851 if (mode == STATUS_DOMAIN)
1852 return status_print_strv_global(global_info.domains);
1853
1854 if (mode == STATUS_NTA)
1855 return status_print_strv_global(global_info.ntas);
1856
1857 if (mode == STATUS_LLMNR) {
1858 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1859 strna(global_info.llmnr));
1860
1861 return 0;
1862 }
1863
1864 if (mode == STATUS_MDNS) {
1865 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1866 strna(global_info.mdns));
1867
1868 return 0;
1869 }
1870
1871 if (mode == STATUS_PRIVATE) {
1872 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1873 strna(global_info.dns_over_tls));
1874
1875 return 0;
1876 }
1877
1878 if (mode == STATUS_DNSSEC) {
1879 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1880 strna(global_info.dnssec));
1881
1882 return 0;
1883 }
1884
1885 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
1886
1887 table = table_new("key", "value");
1888 if (!table)
1889 return log_oom();
1890
1891 table_set_header(table, false);
1892
1893 _cleanup_strv_free_ char **pstatus = global_protocol_status(&global_info);
1894 if (!pstatus)
1895 return log_oom();
1896
1897 r = table_add_many(table,
1898 TABLE_STRING, "Protocols:",
1899 TABLE_SET_ALIGN_PERCENT, 100,
1900 TABLE_STRV_WRAPPED, pstatus);
1901 if (r < 0)
1902 return table_log_add_error(r);
1903
1904 if (global_info.resolv_conf_mode) {
1905 r = table_add_many(table,
1906 TABLE_STRING, "resolv.conf mode:",
1907 TABLE_STRING, global_info.resolv_conf_mode);
1908 if (r < 0)
1909 return table_log_add_error(r);
1910 }
1911
1912 if (global_info.current_dns) {
1913 r = table_add_many(table,
1914 TABLE_STRING, "Current DNS Server:",
1915 TABLE_STRING, global_info.current_dns_ex ?: global_info.current_dns);
1916 if (r < 0)
1917 return table_log_add_error(r);
1918 }
1919
1920 r = dump_list(table, "DNS Servers:", global_info.dns_ex ?: global_info.dns);
1921 if (r < 0)
1922 return r;
1923
1924 r = dump_list(table, "Fallback DNS Servers:", global_info.fallback_dns_ex ?: global_info.fallback_dns);
1925 if (r < 0)
1926 return r;
1927
1928 r = dump_list(table, "DNS Domain:", global_info.domains);
1929 if (r < 0)
1930 return r;
1931
1932 r = table_print(table, NULL);
1933 if (r < 0)
1934 return table_log_print_error(r);
1935
1936 *empty_line = true;
1937
1938 return 0;
1939 }
1940
1941 static int status_all(sd_bus *bus, StatusMode mode) {
1942 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
1943 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1944 bool empty_line = false;
1945 int r;
1946
1947 assert(bus);
1948
1949 r = status_global(bus, mode, &empty_line);
1950 if (r < 0)
1951 return r;
1952
1953 r = sd_netlink_open(&rtnl);
1954 if (r < 0)
1955 return log_error_errno(r, "Failed to connect to netlink: %m");
1956
1957 r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
1958 if (r < 0)
1959 return rtnl_log_create_error(r);
1960
1961 r = sd_netlink_message_set_request_dump(req, true);
1962 if (r < 0)
1963 return rtnl_log_create_error(r);
1964
1965 r = sd_netlink_call(rtnl, req, 0, &reply);
1966 if (r < 0)
1967 return log_error_errno(r, "Failed to enumerate links: %m");
1968
1969 _cleanup_free_ InterfaceInfo *infos = NULL;
1970 size_t n_infos = 0;
1971
1972 for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) {
1973 const char *name;
1974 int ifindex;
1975 uint16_t type;
1976
1977 r = sd_netlink_message_get_type(i, &type);
1978 if (r < 0)
1979 return rtnl_log_parse_error(r);
1980
1981 if (type != RTM_NEWLINK)
1982 continue;
1983
1984 r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
1985 if (r < 0)
1986 return rtnl_log_parse_error(r);
1987
1988 if (ifindex == LOOPBACK_IFINDEX)
1989 continue;
1990
1991 r = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
1992 if (r < 0)
1993 return rtnl_log_parse_error(r);
1994
1995 if (!GREEDY_REALLOC(infos, n_infos + 1))
1996 return log_oom();
1997
1998 infos[n_infos++] = (InterfaceInfo) { ifindex, name };
1999 }
2000
2001 typesafe_qsort(infos, n_infos, interface_info_compare);
2002
2003 r = 0;
2004 for (size_t i = 0; i < n_infos; i++) {
2005 int q = status_ifindex(bus, infos[i].index, infos[i].name, mode, &empty_line);
2006 if (q < 0 && r >= 0)
2007 r = q;
2008 }
2009
2010 return r;
2011 }
2012
2013 static int verb_status(int argc, char **argv, void *userdata) {
2014 sd_bus *bus = userdata;
2015 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
2016 int r = 0;
2017
2018 if (argc > 1) {
2019 bool empty_line = false;
2020
2021 STRV_FOREACH(ifname, argv + 1) {
2022 int ifindex, q;
2023
2024 ifindex = rtnl_resolve_interface(&rtnl, *ifname);
2025 if (ifindex < 0) {
2026 log_warning_errno(ifindex, "Failed to resolve interface \"%s\", ignoring: %m", *ifname);
2027 continue;
2028 }
2029
2030 q = status_ifindex(bus, ifindex, NULL, STATUS_ALL, &empty_line);
2031 if (q < 0)
2032 r = q;
2033 }
2034 } else
2035 r = status_all(bus, STATUS_ALL);
2036
2037 return r;
2038 }
2039
2040 static int call_dns(sd_bus *bus, char **dns, const BusLocator *locator, sd_bus_error *error, bool extended) {
2041 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2042 int r;
2043
2044 r = bus_message_new_method_call(bus, &req, locator, extended ? "SetLinkDNSEx" : "SetLinkDNS");
2045 if (r < 0)
2046 return bus_log_create_error(r);
2047
2048 r = sd_bus_message_append(req, "i", arg_ifindex);
2049 if (r < 0)
2050 return bus_log_create_error(r);
2051
2052 r = sd_bus_message_open_container(req, 'a', extended ? "(iayqs)" : "(iay)");
2053 if (r < 0)
2054 return bus_log_create_error(r);
2055
2056 /* If only argument is the empty string, then call SetLinkDNS() with an
2057 * empty list, which will clear the list of domains for an interface. */
2058 if (!strv_equal(dns, STRV_MAKE("")))
2059 STRV_FOREACH(p, dns) {
2060 _cleanup_free_ char *name = NULL;
2061 struct in_addr_data data;
2062 uint16_t port;
2063 int ifindex;
2064
2065 r = in_addr_port_ifindex_name_from_string_auto(*p, &data.family, &data.address, &port, &ifindex, &name);
2066 if (r < 0)
2067 return log_error_errno(r, "Failed to parse DNS server address: %s", *p);
2068
2069 if (ifindex != 0 && ifindex != arg_ifindex)
2070 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid ifindex: %i", ifindex);
2071
2072 r = sd_bus_message_open_container(req, 'r', extended ? "iayqs" : "iay");
2073 if (r < 0)
2074 return bus_log_create_error(r);
2075
2076 r = sd_bus_message_append(req, "i", data.family);
2077 if (r < 0)
2078 return bus_log_create_error(r);
2079
2080 r = sd_bus_message_append_array(req, 'y', &data.address, FAMILY_ADDRESS_SIZE(data.family));
2081 if (r < 0)
2082 return bus_log_create_error(r);
2083
2084 if (extended) {
2085 r = sd_bus_message_append(req, "q", port);
2086 if (r < 0)
2087 return bus_log_create_error(r);
2088
2089 r = sd_bus_message_append(req, "s", name);
2090 if (r < 0)
2091 return bus_log_create_error(r);
2092 }
2093
2094 r = sd_bus_message_close_container(req);
2095 if (r < 0)
2096 return bus_log_create_error(r);
2097 }
2098
2099 r = sd_bus_message_close_container(req);
2100 if (r < 0)
2101 return bus_log_create_error(r);
2102
2103 r = sd_bus_call(bus, req, 0, error, NULL);
2104 if (r < 0 && extended && sd_bus_error_has_name(error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2105 sd_bus_error_free(error);
2106 return call_dns(bus, dns, locator, error, false);
2107 }
2108 return r;
2109 }
2110
2111 static int verb_dns(int argc, char **argv, void *userdata) {
2112 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2113 sd_bus *bus = ASSERT_PTR(userdata);
2114 int r;
2115
2116 if (argc >= 2) {
2117 r = ifname_mangle(argv[1]);
2118 if (r < 0)
2119 return r;
2120 }
2121
2122 if (arg_ifindex <= 0)
2123 return status_all(bus, STATUS_DNS);
2124
2125 if (argc < 3)
2126 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNS, NULL);
2127
2128 r = call_dns(bus, argv + 2, bus_resolve_mgr, &error, true);
2129 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2130 sd_bus_error_free(&error);
2131
2132 r = call_dns(bus, argv + 2, bus_network_mgr, &error, true);
2133 }
2134 if (r < 0) {
2135 if (arg_ifindex_permissive &&
2136 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2137 return 0;
2138
2139 return log_error_errno(r, "Failed to set DNS configuration: %s", bus_error_message(&error, r));
2140 }
2141
2142 return 0;
2143 }
2144
2145 static int call_domain(sd_bus *bus, char **domain, const BusLocator *locator, sd_bus_error *error) {
2146 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2147 int r;
2148
2149 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDomains");
2150 if (r < 0)
2151 return bus_log_create_error(r);
2152
2153 r = sd_bus_message_append(req, "i", arg_ifindex);
2154 if (r < 0)
2155 return bus_log_create_error(r);
2156
2157 r = sd_bus_message_open_container(req, 'a', "(sb)");
2158 if (r < 0)
2159 return bus_log_create_error(r);
2160
2161 /* If only argument is the empty string, then call SetLinkDomains() with an
2162 * empty list, which will clear the list of domains for an interface. */
2163 if (!strv_equal(domain, STRV_MAKE("")))
2164 STRV_FOREACH(p, domain) {
2165 const char *n;
2166
2167 n = **p == '~' ? *p + 1 : *p;
2168
2169 r = dns_name_is_valid(n);
2170 if (r < 0)
2171 return log_error_errno(r, "Failed to validate specified domain %s: %m", n);
2172 if (r == 0)
2173 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2174 "Domain not valid: %s",
2175 n);
2176
2177 r = sd_bus_message_append(req, "(sb)", n, **p == '~');
2178 if (r < 0)
2179 return bus_log_create_error(r);
2180 }
2181
2182 r = sd_bus_message_close_container(req);
2183 if (r < 0)
2184 return bus_log_create_error(r);
2185
2186 return sd_bus_call(bus, req, 0, error, NULL);
2187 }
2188
2189 static int verb_domain(int argc, char **argv, void *userdata) {
2190 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2191 sd_bus *bus = ASSERT_PTR(userdata);
2192 int r;
2193
2194 if (argc >= 2) {
2195 r = ifname_mangle(argv[1]);
2196 if (r < 0)
2197 return r;
2198 }
2199
2200 if (arg_ifindex <= 0)
2201 return status_all(bus, STATUS_DOMAIN);
2202
2203 if (argc < 3)
2204 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DOMAIN, NULL);
2205
2206 r = call_domain(bus, argv + 2, bus_resolve_mgr, &error);
2207 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2208 sd_bus_error_free(&error);
2209
2210 r = call_domain(bus, argv + 2, bus_network_mgr, &error);
2211 }
2212 if (r < 0) {
2213 if (arg_ifindex_permissive &&
2214 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2215 return 0;
2216
2217 return log_error_errno(r, "Failed to set domain configuration: %s", bus_error_message(&error, r));
2218 }
2219
2220 return 0;
2221 }
2222
2223 static int verb_default_route(int argc, char **argv, void *userdata) {
2224 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2225 sd_bus *bus = ASSERT_PTR(userdata);
2226 int r, b;
2227
2228 if (argc >= 2) {
2229 r = ifname_mangle(argv[1]);
2230 if (r < 0)
2231 return r;
2232 }
2233
2234 if (arg_ifindex <= 0)
2235 return status_all(bus, STATUS_DEFAULT_ROUTE);
2236
2237 if (argc < 3)
2238 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DEFAULT_ROUTE, NULL);
2239
2240 b = parse_boolean(argv[2]);
2241 if (b < 0)
2242 return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]);
2243
2244 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2245 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2246 sd_bus_error_free(&error);
2247
2248 r = bus_call_method(bus, bus_network_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2249 }
2250 if (r < 0) {
2251 if (arg_ifindex_permissive &&
2252 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2253 return 0;
2254
2255 return log_error_errno(r, "Failed to set default route configuration: %s", bus_error_message(&error, r));
2256 }
2257
2258 return 0;
2259 }
2260
2261 static int verb_llmnr(int argc, char **argv, void *userdata) {
2262 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2263 sd_bus *bus = ASSERT_PTR(userdata);
2264 int r;
2265
2266 if (argc >= 2) {
2267 r = ifname_mangle(argv[1]);
2268 if (r < 0)
2269 return r;
2270 }
2271
2272 if (arg_ifindex <= 0)
2273 return status_all(bus, STATUS_LLMNR);
2274
2275 if (argc < 3)
2276 return status_ifindex(bus, arg_ifindex, NULL, STATUS_LLMNR, NULL);
2277
2278 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2279 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2280 sd_bus_error_free(&error);
2281
2282 r = bus_call_method(bus, bus_network_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2283 }
2284 if (r < 0) {
2285 if (arg_ifindex_permissive &&
2286 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2287 return 0;
2288
2289 return log_error_errno(r, "Failed to set LLMNR configuration: %s", bus_error_message(&error, r));
2290 }
2291
2292 return 0;
2293 }
2294
2295 static int verb_mdns(int argc, char **argv, void *userdata) {
2296 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2297 sd_bus *bus = ASSERT_PTR(userdata);
2298 int r;
2299
2300 if (argc >= 2) {
2301 r = ifname_mangle(argv[1]);
2302 if (r < 0)
2303 return r;
2304 }
2305
2306 if (arg_ifindex <= 0)
2307 return status_all(bus, STATUS_MDNS);
2308
2309 if (argc < 3)
2310 return status_ifindex(bus, arg_ifindex, NULL, STATUS_MDNS, NULL);
2311
2312 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkMulticastDNS", &error, NULL, "is", arg_ifindex, argv[2]);
2313 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2314 sd_bus_error_free(&error);
2315
2316 r = bus_call_method(
2317 bus,
2318 bus_network_mgr,
2319 "SetLinkMulticastDNS",
2320 &error,
2321 NULL,
2322 "is", arg_ifindex, argv[2]);
2323 }
2324 if (r < 0) {
2325 if (arg_ifindex_permissive &&
2326 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2327 return 0;
2328
2329 return log_error_errno(r, "Failed to set MulticastDNS configuration: %s", bus_error_message(&error, r));
2330 }
2331
2332 return 0;
2333 }
2334
2335 static int verb_dns_over_tls(int argc, char **argv, void *userdata) {
2336 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2337 sd_bus *bus = ASSERT_PTR(userdata);
2338 int r;
2339
2340 if (argc >= 2) {
2341 r = ifname_mangle(argv[1]);
2342 if (r < 0)
2343 return r;
2344 }
2345
2346 if (arg_ifindex <= 0)
2347 return status_all(bus, STATUS_PRIVATE);
2348
2349 if (argc < 3)
2350 return status_ifindex(bus, arg_ifindex, NULL, STATUS_PRIVATE, NULL);
2351
2352 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSOverTLS", &error, NULL, "is", arg_ifindex, argv[2]);
2353 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2354 sd_bus_error_free(&error);
2355
2356 r = bus_call_method(
2357 bus,
2358 bus_network_mgr,
2359 "SetLinkDNSOverTLS",
2360 &error,
2361 NULL,
2362 "is", arg_ifindex, argv[2]);
2363 }
2364 if (r < 0) {
2365 if (arg_ifindex_permissive &&
2366 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2367 return 0;
2368
2369 return log_error_errno(r, "Failed to set DNSOverTLS configuration: %s", bus_error_message(&error, r));
2370 }
2371
2372 return 0;
2373 }
2374
2375 static int verb_dnssec(int argc, char **argv, void *userdata) {
2376 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2377 sd_bus *bus = ASSERT_PTR(userdata);
2378 int r;
2379
2380 if (argc >= 2) {
2381 r = ifname_mangle(argv[1]);
2382 if (r < 0)
2383 return r;
2384 }
2385
2386 if (arg_ifindex <= 0)
2387 return status_all(bus, STATUS_DNSSEC);
2388
2389 if (argc < 3)
2390 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNSSEC, NULL);
2391
2392 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2393 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2394 sd_bus_error_free(&error);
2395
2396 r = bus_call_method(bus, bus_network_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2397 }
2398 if (r < 0) {
2399 if (arg_ifindex_permissive &&
2400 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2401 return 0;
2402
2403 return log_error_errno(r, "Failed to set DNSSEC configuration: %s", bus_error_message(&error, r));
2404 }
2405
2406 return 0;
2407 }
2408
2409 static int call_nta(sd_bus *bus, char **nta, const BusLocator *locator, sd_bus_error *error) {
2410 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2411 int r;
2412
2413 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDNSSECNegativeTrustAnchors");
2414 if (r < 0)
2415 return bus_log_create_error(r);
2416
2417 r = sd_bus_message_append(req, "i", arg_ifindex);
2418 if (r < 0)
2419 return bus_log_create_error(r);
2420
2421 r = sd_bus_message_append_strv(req, nta);
2422 if (r < 0)
2423 return bus_log_create_error(r);
2424
2425 return sd_bus_call(bus, req, 0, error, NULL);
2426 }
2427
2428 static int verb_nta(int argc, char **argv, void *userdata) {
2429 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2430 sd_bus *bus = ASSERT_PTR(userdata);
2431 int r;
2432 bool clear;
2433
2434 if (argc >= 2) {
2435 r = ifname_mangle(argv[1]);
2436 if (r < 0)
2437 return r;
2438 }
2439
2440 if (arg_ifindex <= 0)
2441 return status_all(bus, STATUS_NTA);
2442
2443 if (argc < 3)
2444 return status_ifindex(bus, arg_ifindex, NULL, STATUS_NTA, NULL);
2445
2446 /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
2447 * with an empty list, which will clear the list of domains for an interface. */
2448 clear = strv_equal(argv + 2, STRV_MAKE(""));
2449
2450 if (!clear)
2451 STRV_FOREACH(p, argv + 2) {
2452 r = dns_name_is_valid(*p);
2453 if (r < 0)
2454 return log_error_errno(r, "Failed to validate specified domain %s: %m", *p);
2455 if (r == 0)
2456 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2457 "Domain not valid: %s",
2458 *p);
2459 }
2460
2461 r = call_nta(bus, clear ? NULL : argv + 2, bus_resolve_mgr, &error);
2462 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2463 sd_bus_error_free(&error);
2464
2465 r = call_nta(bus, clear ? NULL : argv + 2, bus_network_mgr, &error);
2466 }
2467 if (r < 0) {
2468 if (arg_ifindex_permissive &&
2469 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2470 return 0;
2471
2472 return log_error_errno(r, "Failed to set DNSSEC NTA configuration: %s", bus_error_message(&error, r));
2473 }
2474
2475 return 0;
2476 }
2477
2478 static int verb_revert_link(int argc, char **argv, void *userdata) {
2479 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2480 sd_bus *bus = ASSERT_PTR(userdata);
2481 int r;
2482
2483 if (argc >= 2) {
2484 r = ifname_mangle(argv[1]);
2485 if (r < 0)
2486 return r;
2487 }
2488
2489 if (arg_ifindex <= 0)
2490 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Interface argument required.");
2491
2492 r = bus_call_method(bus, bus_resolve_mgr, "RevertLink", &error, NULL, "i", arg_ifindex);
2493 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2494 sd_bus_error_free(&error);
2495
2496 r = bus_call_method(bus, bus_network_mgr, "RevertLinkDNS", &error, NULL, "i", arg_ifindex);
2497 }
2498 if (r < 0) {
2499 if (arg_ifindex_permissive &&
2500 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2501 return 0;
2502
2503 return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
2504 }
2505
2506 return 0;
2507 }
2508
2509 static int verb_log_level(int argc, char *argv[], void *userdata) {
2510 sd_bus *bus = ASSERT_PTR(userdata);
2511
2512 assert(IN_SET(argc, 1, 2));
2513
2514 return verb_log_control_common(bus, "org.freedesktop.resolve1", argv[0], argc == 2 ? argv[1] : NULL);
2515 }
2516
2517 static void help_protocol_types(void) {
2518 if (arg_legend)
2519 puts("Known protocol types:");
2520 puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmdns-ipv4\nmdns-ipv6");
2521 }
2522
2523 static void help_dns_types(void) {
2524 if (arg_legend)
2525 puts("Known DNS RR types:");
2526
2527 DUMP_STRING_TABLE(dns_type, int, _DNS_TYPE_MAX);
2528 }
2529
2530 static void help_dns_classes(void) {
2531 if (arg_legend)
2532 puts("Known DNS RR classes:");
2533
2534 DUMP_STRING_TABLE(dns_class, int, _DNS_CLASS_MAX);
2535 }
2536
2537 static int compat_help(void) {
2538 _cleanup_free_ char *link = NULL;
2539 int r;
2540
2541 r = terminal_urlify_man("resolvectl", "1", &link);
2542 if (r < 0)
2543 return log_oom();
2544
2545 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
2546 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
2547 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
2548 "%1$s [OPTIONS...] --statistics\n"
2549 "%1$s [OPTIONS...] --reset-statistics\n"
2550 "\n"
2551 "%2$sResolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%3$s\n\n"
2552 " -h --help Show this help\n"
2553 " --version Show package version\n"
2554 " --no-pager Do not pipe output into a pager\n"
2555 " -4 Resolve IPv4 addresses\n"
2556 " -6 Resolve IPv6 addresses\n"
2557 " -i --interface=INTERFACE Look on interface\n"
2558 " -p --protocol=PROTO|help Look via protocol\n"
2559 " -t --type=TYPE|help Query RR with DNS type\n"
2560 " -c --class=CLASS|help Query RR with DNS class\n"
2561 " --service Resolve service (SRV)\n"
2562 " --service-address=BOOL Resolve address for services (default: yes)\n"
2563 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2564 " --openpgp Query OpenPGP public key\n"
2565 " --tlsa Query TLS public key\n"
2566 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2567 " --search=BOOL Use search domains for single-label names\n"
2568 " (default: yes)\n"
2569 " --raw[=payload|packet] Dump the answer as binary data\n"
2570 " --legend=BOOL Print headers and additional info (default: yes)\n"
2571 " --statistics Show resolver statistics\n"
2572 " --reset-statistics Reset resolver statistics\n"
2573 " --status Show link and server status\n"
2574 " --flush-caches Flush all local DNS caches\n"
2575 " --reset-server-features\n"
2576 " Forget learnt DNS server feature levels\n"
2577 " --set-dns=SERVER Set per-interface DNS server address\n"
2578 " --set-domain=DOMAIN Set per-interface search domain\n"
2579 " --set-llmnr=MODE Set per-interface LLMNR mode\n"
2580 " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
2581 " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
2582 " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
2583 " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
2584 " --revert Revert per-interface configuration\n"
2585 "\nSee the %4$s for details.\n",
2586 program_invocation_short_name,
2587 ansi_highlight(),
2588 ansi_normal(),
2589 link);
2590
2591 return 0;
2592 }
2593
2594 static int native_help(void) {
2595 _cleanup_free_ char *link = NULL;
2596 int r;
2597
2598 r = terminal_urlify_man("resolvectl", "1", &link);
2599 if (r < 0)
2600 return log_oom();
2601
2602 printf("%s [OPTIONS...] COMMAND ...\n"
2603 "\n"
2604 "%sSend control commands to the network name resolution manager, or%s\n"
2605 "%sresolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%s\n"
2606 "\nCommands:\n"
2607 " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
2608 " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
2609 " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
2610 " tlsa DOMAIN[:PORT]... Query TLS public key\n"
2611 " status [LINK...] Show link and server status\n"
2612 " statistics Show resolver statistics\n"
2613 " reset-statistics Reset resolver statistics\n"
2614 " flush-caches Flush all local DNS caches\n"
2615 " reset-server-features Forget learnt DNS server feature levels\n"
2616 " dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
2617 " domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
2618 " default-route [LINK [BOOL]] Get/set per-interface default route flag\n"
2619 " llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
2620 " mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
2621 " dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
2622 " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
2623 " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
2624 " revert LINK Revert per-interface configuration\n"
2625 " log-level [LEVEL] Get/set logging threshold for systemd-resolved\n"
2626 "\nOptions:\n"
2627 " -h --help Show this help\n"
2628 " --version Show package version\n"
2629 " --no-pager Do not pipe output into a pager\n"
2630 " -4 Resolve IPv4 addresses\n"
2631 " -6 Resolve IPv6 addresses\n"
2632 " -i --interface=INTERFACE Look on interface\n"
2633 " -p --protocol=PROTO|help Look via protocol\n"
2634 " -t --type=TYPE|help Query RR with DNS type\n"
2635 " -c --class=CLASS|help Query RR with DNS class\n"
2636 " --service-address=BOOL Resolve address for services (default: yes)\n"
2637 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2638 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2639 " --validate=BOOL Allow DNSSEC validation (default: yes)\n"
2640 " --synthesize=BOOL Allow synthetic response (default: yes)\n"
2641 " --cache=BOOL Allow response from cache (default: yes)\n"
2642 " --zone=BOOL Allow response from locally registered mDNS/LLMNR\n"
2643 " records (default: yes)\n"
2644 " --trust-anchor=BOOL Allow response from local trust anchor (default: yes)\n"
2645 " --network=BOOL Allow response from network (default: yes)\n"
2646 " --search=BOOL Use search domains for single-label names (default: yes)\n"
2647 " --raw[=payload|packet] Dump the answer as binary data\n"
2648 " --legend=BOOL Print headers and additional info (default: yes)\n"
2649 "\nSee the %s for details.\n",
2650 program_invocation_short_name,
2651 ansi_highlight(),
2652 ansi_normal(),
2653 ansi_highlight(),
2654 ansi_normal(),
2655 link);
2656
2657 return 0;
2658 }
2659
2660 static int verb_help(int argc, char **argv, void *userdata) {
2661 return native_help();
2662 }
2663
2664 static int compat_parse_argv(int argc, char *argv[]) {
2665 enum {
2666 ARG_VERSION = 0x100,
2667 ARG_LEGEND,
2668 ARG_SERVICE,
2669 ARG_CNAME,
2670 ARG_SERVICE_ADDRESS,
2671 ARG_SERVICE_TXT,
2672 ARG_OPENPGP,
2673 ARG_TLSA,
2674 ARG_RAW,
2675 ARG_SEARCH,
2676 ARG_STATISTICS,
2677 ARG_RESET_STATISTICS,
2678 ARG_STATUS,
2679 ARG_FLUSH_CACHES,
2680 ARG_RESET_SERVER_FEATURES,
2681 ARG_NO_PAGER,
2682 ARG_SET_DNS,
2683 ARG_SET_DOMAIN,
2684 ARG_SET_LLMNR,
2685 ARG_SET_MDNS,
2686 ARG_SET_PRIVATE,
2687 ARG_SET_DNSSEC,
2688 ARG_SET_NTA,
2689 ARG_REVERT_LINK,
2690 };
2691
2692 static const struct option options[] = {
2693 { "help", no_argument, NULL, 'h' },
2694 { "version", no_argument, NULL, ARG_VERSION },
2695 { "type", required_argument, NULL, 't' },
2696 { "class", required_argument, NULL, 'c' },
2697 { "legend", required_argument, NULL, ARG_LEGEND },
2698 { "interface", required_argument, NULL, 'i' },
2699 { "protocol", required_argument, NULL, 'p' },
2700 { "cname", required_argument, NULL, ARG_CNAME },
2701 { "service", no_argument, NULL, ARG_SERVICE },
2702 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2703 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2704 { "openpgp", no_argument, NULL, ARG_OPENPGP },
2705 { "tlsa", optional_argument, NULL, ARG_TLSA },
2706 { "raw", optional_argument, NULL, ARG_RAW },
2707 { "search", required_argument, NULL, ARG_SEARCH },
2708 { "statistics", no_argument, NULL, ARG_STATISTICS, },
2709 { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
2710 { "status", no_argument, NULL, ARG_STATUS },
2711 { "flush-caches", no_argument, NULL, ARG_FLUSH_CACHES },
2712 { "reset-server-features", no_argument, NULL, ARG_RESET_SERVER_FEATURES },
2713 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2714 { "set-dns", required_argument, NULL, ARG_SET_DNS },
2715 { "set-domain", required_argument, NULL, ARG_SET_DOMAIN },
2716 { "set-llmnr", required_argument, NULL, ARG_SET_LLMNR },
2717 { "set-mdns", required_argument, NULL, ARG_SET_MDNS },
2718 { "set-dnsovertls", required_argument, NULL, ARG_SET_PRIVATE },
2719 { "set-dnssec", required_argument, NULL, ARG_SET_DNSSEC },
2720 { "set-nta", required_argument, NULL, ARG_SET_NTA },
2721 { "revert", no_argument, NULL, ARG_REVERT_LINK },
2722 {}
2723 };
2724
2725 int c, r;
2726
2727 assert(argc >= 0);
2728 assert(argv);
2729
2730 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
2731 switch (c) {
2732
2733 case 'h':
2734 return compat_help();
2735
2736 case ARG_VERSION:
2737 return version();
2738
2739 case '4':
2740 arg_family = AF_INET;
2741 break;
2742
2743 case '6':
2744 arg_family = AF_INET6;
2745 break;
2746
2747 case 'i':
2748 r = ifname_mangle(optarg);
2749 if (r < 0)
2750 return r;
2751 break;
2752
2753 case 't':
2754 if (streq(optarg, "help")) {
2755 help_dns_types();
2756 return 0;
2757 }
2758
2759 r = dns_type_from_string(optarg);
2760 if (r < 0)
2761 return log_error_errno(r, "Failed to parse RR record type %s: %m", optarg);
2762
2763 arg_type = (uint16_t) r;
2764 assert((int) arg_type == r);
2765
2766 arg_mode = MODE_RESOLVE_RECORD;
2767 break;
2768
2769 case 'c':
2770 if (streq(optarg, "help")) {
2771 help_dns_classes();
2772 return 0;
2773 }
2774
2775 r = dns_class_from_string(optarg);
2776 if (r < 0)
2777 return log_error_errno(r, "Failed to parse RR record class %s: %m", optarg);
2778
2779 arg_class = (uint16_t) r;
2780 assert((int) arg_class == r);
2781
2782 break;
2783
2784 case ARG_LEGEND:
2785 r = parse_boolean_argument("--legend=", optarg, &arg_legend);
2786 if (r < 0)
2787 return r;
2788 break;
2789
2790 case 'p':
2791 if (streq(optarg, "help")) {
2792 help_protocol_types();
2793 return 0;
2794 } else if (streq(optarg, "dns"))
2795 arg_flags |= SD_RESOLVED_DNS;
2796 else if (streq(optarg, "llmnr"))
2797 arg_flags |= SD_RESOLVED_LLMNR;
2798 else if (streq(optarg, "llmnr-ipv4"))
2799 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
2800 else if (streq(optarg, "llmnr-ipv6"))
2801 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
2802 else if (streq(optarg, "mdns"))
2803 arg_flags |= SD_RESOLVED_MDNS;
2804 else if (streq(optarg, "mdns-ipv4"))
2805 arg_flags |= SD_RESOLVED_MDNS_IPV4;
2806 else if (streq(optarg, "mdns-ipv6"))
2807 arg_flags |= SD_RESOLVED_MDNS_IPV6;
2808 else
2809 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2810 "Unknown protocol specifier: %s", optarg);
2811
2812 break;
2813
2814 case ARG_SERVICE:
2815 arg_mode = MODE_RESOLVE_SERVICE;
2816 break;
2817
2818 case ARG_OPENPGP:
2819 arg_mode = MODE_RESOLVE_OPENPGP;
2820 break;
2821
2822 case ARG_TLSA:
2823 arg_mode = MODE_RESOLVE_TLSA;
2824 if (!optarg || service_family_is_valid(optarg))
2825 arg_service_family = optarg;
2826 else
2827 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2828 "Unknown service family \"%s\".", optarg);
2829 break;
2830
2831 case ARG_RAW:
2832 if (on_tty())
2833 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
2834 "Refusing to write binary data to tty.");
2835
2836 if (optarg == NULL || streq(optarg, "payload"))
2837 arg_raw = RAW_PAYLOAD;
2838 else if (streq(optarg, "packet"))
2839 arg_raw = RAW_PACKET;
2840 else
2841 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2842 "Unknown --raw specifier \"%s\".",
2843 optarg);
2844
2845 arg_legend = false;
2846 break;
2847
2848 case ARG_CNAME:
2849 r = parse_boolean_argument("--cname=", optarg, NULL);
2850 if (r < 0)
2851 return r;
2852 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
2853 break;
2854
2855 case ARG_SERVICE_ADDRESS:
2856 r = parse_boolean_argument("--service-address=", optarg, NULL);
2857 if (r < 0)
2858 return r;
2859 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
2860 break;
2861
2862 case ARG_SERVICE_TXT:
2863 r = parse_boolean_argument("--service-txt=", optarg, NULL);
2864 if (r < 0)
2865 return r;
2866 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
2867 break;
2868
2869 case ARG_SEARCH:
2870 r = parse_boolean_argument("--search=", optarg, NULL);
2871 if (r < 0)
2872 return r;
2873 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
2874 break;
2875
2876 case ARG_STATISTICS:
2877 arg_mode = MODE_STATISTICS;
2878 break;
2879
2880 case ARG_RESET_STATISTICS:
2881 arg_mode = MODE_RESET_STATISTICS;
2882 break;
2883
2884 case ARG_FLUSH_CACHES:
2885 arg_mode = MODE_FLUSH_CACHES;
2886 break;
2887
2888 case ARG_RESET_SERVER_FEATURES:
2889 arg_mode = MODE_RESET_SERVER_FEATURES;
2890 break;
2891
2892 case ARG_STATUS:
2893 arg_mode = MODE_STATUS;
2894 break;
2895
2896 case ARG_NO_PAGER:
2897 arg_pager_flags |= PAGER_DISABLE;
2898 break;
2899
2900 case ARG_SET_DNS:
2901 r = strv_extend(&arg_set_dns, optarg);
2902 if (r < 0)
2903 return log_oom();
2904
2905 arg_mode = MODE_SET_LINK;
2906 break;
2907
2908 case ARG_SET_DOMAIN:
2909 r = strv_extend(&arg_set_domain, optarg);
2910 if (r < 0)
2911 return log_oom();
2912
2913 arg_mode = MODE_SET_LINK;
2914 break;
2915
2916 case ARG_SET_LLMNR:
2917 arg_set_llmnr = optarg;
2918 arg_mode = MODE_SET_LINK;
2919 break;
2920
2921 case ARG_SET_MDNS:
2922 arg_set_mdns = optarg;
2923 arg_mode = MODE_SET_LINK;
2924 break;
2925
2926 case ARG_SET_PRIVATE:
2927 arg_set_dns_over_tls = optarg;
2928 arg_mode = MODE_SET_LINK;
2929 break;
2930
2931 case ARG_SET_DNSSEC:
2932 arg_set_dnssec = optarg;
2933 arg_mode = MODE_SET_LINK;
2934 break;
2935
2936 case ARG_SET_NTA:
2937 r = strv_extend(&arg_set_nta, optarg);
2938 if (r < 0)
2939 return log_oom();
2940
2941 arg_mode = MODE_SET_LINK;
2942 break;
2943
2944 case ARG_REVERT_LINK:
2945 arg_mode = MODE_REVERT_LINK;
2946 break;
2947
2948 case '?':
2949 return -EINVAL;
2950
2951 default:
2952 assert_not_reached();
2953 }
2954
2955 if (arg_type == 0 && arg_class != 0)
2956 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2957 "--class= may only be used in conjunction with --type=.");
2958
2959 if (arg_type != 0 && arg_mode == MODE_RESOLVE_SERVICE)
2960 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2961 "--service and --type= may not be combined.");
2962
2963 if (arg_type != 0 && arg_class == 0)
2964 arg_class = DNS_CLASS_IN;
2965
2966 if (arg_class != 0 && arg_type == 0)
2967 arg_type = DNS_TYPE_A;
2968
2969 if (IN_SET(arg_mode, MODE_SET_LINK, MODE_REVERT_LINK)) {
2970
2971 if (arg_ifindex <= 0)
2972 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2973 "--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
2974 }
2975
2976 return 1 /* work to do */;
2977 }
2978
2979 static int native_parse_argv(int argc, char *argv[]) {
2980 enum {
2981 ARG_VERSION = 0x100,
2982 ARG_LEGEND,
2983 ARG_CNAME,
2984 ARG_VALIDATE,
2985 ARG_SYNTHESIZE,
2986 ARG_CACHE,
2987 ARG_ZONE,
2988 ARG_TRUST_ANCHOR,
2989 ARG_NETWORK,
2990 ARG_SERVICE_ADDRESS,
2991 ARG_SERVICE_TXT,
2992 ARG_RAW,
2993 ARG_SEARCH,
2994 ARG_NO_PAGER,
2995 };
2996
2997 static const struct option options[] = {
2998 { "help", no_argument, NULL, 'h' },
2999 { "version", no_argument, NULL, ARG_VERSION },
3000 { "type", required_argument, NULL, 't' },
3001 { "class", required_argument, NULL, 'c' },
3002 { "legend", required_argument, NULL, ARG_LEGEND },
3003 { "interface", required_argument, NULL, 'i' },
3004 { "protocol", required_argument, NULL, 'p' },
3005 { "cname", required_argument, NULL, ARG_CNAME },
3006 { "validate", required_argument, NULL, ARG_VALIDATE },
3007 { "synthesize", required_argument, NULL, ARG_SYNTHESIZE },
3008 { "cache", required_argument, NULL, ARG_CACHE },
3009 { "zone", required_argument, NULL, ARG_ZONE },
3010 { "trust-anchor", required_argument, NULL, ARG_TRUST_ANCHOR },
3011 { "network", required_argument, NULL, ARG_NETWORK },
3012 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
3013 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
3014 { "raw", optional_argument, NULL, ARG_RAW },
3015 { "search", required_argument, NULL, ARG_SEARCH },
3016 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
3017 {}
3018 };
3019
3020 int c, r;
3021
3022 assert(argc >= 0);
3023 assert(argv);
3024
3025 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
3026 switch (c) {
3027
3028 case 'h':
3029 return native_help();
3030
3031 case ARG_VERSION:
3032 return version();
3033
3034 case '4':
3035 arg_family = AF_INET;
3036 break;
3037
3038 case '6':
3039 arg_family = AF_INET6;
3040 break;
3041
3042 case 'i':
3043 r = ifname_mangle(optarg);
3044 if (r < 0)
3045 return r;
3046 break;
3047
3048 case 't':
3049 if (streq(optarg, "help")) {
3050 help_dns_types();
3051 return 0;
3052 }
3053
3054 r = dns_type_from_string(optarg);
3055 if (r < 0)
3056 return log_error_errno(r, "Failed to parse RR record type %s: %m", optarg);
3057
3058 arg_type = (uint16_t) r;
3059 assert((int) arg_type == r);
3060
3061 break;
3062
3063 case 'c':
3064 if (streq(optarg, "help")) {
3065 help_dns_classes();
3066 return 0;
3067 }
3068
3069 r = dns_class_from_string(optarg);
3070 if (r < 0)
3071 return log_error_errno(r, "Failed to parse RR record class %s: %m", optarg);
3072
3073 arg_class = (uint16_t) r;
3074 assert((int) arg_class == r);
3075
3076 break;
3077
3078 case ARG_LEGEND:
3079 r = parse_boolean_argument("--legend=", optarg, &arg_legend);
3080 if (r < 0)
3081 return r;
3082 break;
3083
3084 case 'p':
3085 if (streq(optarg, "help")) {
3086 help_protocol_types();
3087 return 0;
3088 } else if (streq(optarg, "dns"))
3089 arg_flags |= SD_RESOLVED_DNS;
3090 else if (streq(optarg, "llmnr"))
3091 arg_flags |= SD_RESOLVED_LLMNR;
3092 else if (streq(optarg, "llmnr-ipv4"))
3093 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
3094 else if (streq(optarg, "llmnr-ipv6"))
3095 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
3096 else if (streq(optarg, "mdns"))
3097 arg_flags |= SD_RESOLVED_MDNS;
3098 else if (streq(optarg, "mdns-ipv4"))
3099 arg_flags |= SD_RESOLVED_MDNS_IPV4;
3100 else if (streq(optarg, "mdns-ipv6"))
3101 arg_flags |= SD_RESOLVED_MDNS_IPV6;
3102 else
3103 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3104 "Unknown protocol specifier: %s",
3105 optarg);
3106
3107 break;
3108
3109 case ARG_RAW:
3110 if (on_tty())
3111 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
3112 "Refusing to write binary data to tty.");
3113
3114 if (optarg == NULL || streq(optarg, "payload"))
3115 arg_raw = RAW_PAYLOAD;
3116 else if (streq(optarg, "packet"))
3117 arg_raw = RAW_PACKET;
3118 else
3119 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3120 "Unknown --raw specifier \"%s\".",
3121 optarg);
3122
3123 arg_legend = false;
3124 break;
3125
3126 case ARG_CNAME:
3127 r = parse_boolean_argument("--cname=", optarg, NULL);
3128 if (r < 0)
3129 return r;
3130 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
3131 break;
3132
3133 case ARG_VALIDATE:
3134 r = parse_boolean_argument("--validate=", optarg, NULL);
3135 if (r < 0)
3136 return r;
3137 SET_FLAG(arg_flags, SD_RESOLVED_NO_VALIDATE, r == 0);
3138 break;
3139
3140 case ARG_SYNTHESIZE:
3141 r = parse_boolean_argument("--synthesize=", optarg, NULL);
3142 if (r < 0)
3143 return r;
3144 SET_FLAG(arg_flags, SD_RESOLVED_NO_SYNTHESIZE, r == 0);
3145 break;
3146
3147 case ARG_CACHE:
3148 r = parse_boolean_argument("--cache=", optarg, NULL);
3149 if (r < 0)
3150 return r;
3151 SET_FLAG(arg_flags, SD_RESOLVED_NO_CACHE, r == 0);
3152 break;
3153
3154 case ARG_ZONE:
3155 r = parse_boolean_argument("--zone=", optarg, NULL);
3156 if (r < 0)
3157 return r;
3158 SET_FLAG(arg_flags, SD_RESOLVED_NO_ZONE, r == 0);
3159 break;
3160
3161 case ARG_TRUST_ANCHOR:
3162 r = parse_boolean_argument("--trust-anchor=", optarg, NULL);
3163 if (r < 0)
3164 return r;
3165 SET_FLAG(arg_flags, SD_RESOLVED_NO_TRUST_ANCHOR, r == 0);
3166 break;
3167
3168 case ARG_NETWORK:
3169 r = parse_boolean_argument("--network=", optarg, NULL);
3170 if (r < 0)
3171 return r;
3172 SET_FLAG(arg_flags, SD_RESOLVED_NO_NETWORK, r == 0);
3173 break;
3174
3175 case ARG_SERVICE_ADDRESS:
3176 r = parse_boolean_argument("--service-address=", optarg, NULL);
3177 if (r < 0)
3178 return r;
3179 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
3180 break;
3181
3182 case ARG_SERVICE_TXT:
3183 r = parse_boolean_argument("--service-txt=", optarg, NULL);
3184 if (r < 0)
3185 return r;
3186 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
3187 break;
3188
3189 case ARG_SEARCH:
3190 r = parse_boolean_argument("--search=", optarg, NULL);
3191 if (r < 0)
3192 return r;
3193 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
3194 break;
3195
3196 case ARG_NO_PAGER:
3197 arg_pager_flags |= PAGER_DISABLE;
3198 break;
3199
3200 case '?':
3201 return -EINVAL;
3202
3203 default:
3204 assert_not_reached();
3205 }
3206
3207 if (arg_type == 0 && arg_class != 0)
3208 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3209 "--class= may only be used in conjunction with --type=.");
3210
3211 if (arg_type != 0 && arg_class == 0)
3212 arg_class = DNS_CLASS_IN;
3213
3214 if (arg_class != 0 && arg_type == 0)
3215 arg_type = DNS_TYPE_A;
3216
3217 return 1 /* work to do */;
3218 }
3219
3220 static int native_main(int argc, char *argv[], sd_bus *bus) {
3221
3222 static const Verb verbs[] = {
3223 { "help", VERB_ANY, VERB_ANY, 0, verb_help },
3224 { "status", VERB_ANY, VERB_ANY, VERB_DEFAULT, verb_status },
3225 { "query", 2, VERB_ANY, 0, verb_query },
3226 { "service", 2, 4, 0, verb_service },
3227 { "openpgp", 2, VERB_ANY, 0, verb_openpgp },
3228 { "tlsa", 2, VERB_ANY, 0, verb_tlsa },
3229 { "statistics", VERB_ANY, 1, 0, show_statistics },
3230 { "reset-statistics", VERB_ANY, 1, 0, reset_statistics },
3231 { "flush-caches", VERB_ANY, 1, 0, flush_caches },
3232 { "reset-server-features", VERB_ANY, 1, 0, reset_server_features },
3233 { "dns", VERB_ANY, VERB_ANY, 0, verb_dns },
3234 { "domain", VERB_ANY, VERB_ANY, 0, verb_domain },
3235 { "default-route", VERB_ANY, 3, 0, verb_default_route },
3236 { "llmnr", VERB_ANY, 3, 0, verb_llmnr },
3237 { "mdns", VERB_ANY, 3, 0, verb_mdns },
3238 { "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
3239 { "dnssec", VERB_ANY, 3, 0, verb_dnssec },
3240 { "nta", VERB_ANY, VERB_ANY, 0, verb_nta },
3241 { "revert", VERB_ANY, 2, 0, verb_revert_link },
3242 { "log-level", VERB_ANY, 2, 0, verb_log_level },
3243 {}
3244 };
3245
3246 return dispatch_verb(argc, argv, verbs, bus);
3247 }
3248
3249 static int translate(const char *verb, const char *single_arg, size_t num_args, char **args, sd_bus *bus) {
3250 char **fake, **p;
3251 size_t num;
3252
3253 assert(verb);
3254 assert(num_args == 0 || args);
3255
3256 num = !!single_arg + num_args + 1;
3257
3258 p = fake = newa0(char *, num + 1);
3259 *p++ = (char *) verb;
3260 if (single_arg)
3261 *p++ = (char *) single_arg;
3262 for (size_t i = 0; i < num_args; i++)
3263 *p++ = args[i];
3264
3265 optind = 0;
3266 return native_main((int) num, fake, bus);
3267 }
3268
3269 static int compat_main(int argc, char *argv[], sd_bus *bus) {
3270 int r = 0;
3271
3272 switch (arg_mode) {
3273 case MODE_RESOLVE_HOST:
3274 case MODE_RESOLVE_RECORD:
3275 return translate("query", NULL, argc - optind, argv + optind, bus);
3276
3277 case MODE_RESOLVE_SERVICE:
3278 return translate("service", NULL, argc - optind, argv + optind, bus);
3279
3280 case MODE_RESOLVE_OPENPGP:
3281 return translate("openpgp", NULL, argc - optind, argv + optind, bus);
3282
3283 case MODE_RESOLVE_TLSA:
3284 return translate("tlsa", arg_service_family, argc - optind, argv + optind, bus);
3285
3286 case MODE_STATISTICS:
3287 return translate("statistics", NULL, 0, NULL, bus);
3288
3289 case MODE_RESET_STATISTICS:
3290 return translate("reset-statistics", NULL, 0, NULL, bus);
3291
3292 case MODE_FLUSH_CACHES:
3293 return translate("flush-caches", NULL, 0, NULL, bus);
3294
3295 case MODE_RESET_SERVER_FEATURES:
3296 return translate("reset-server-features", NULL, 0, NULL, bus);
3297
3298 case MODE_STATUS:
3299 return translate("status", NULL, argc - optind, argv + optind, bus);
3300
3301 case MODE_SET_LINK:
3302 assert(arg_ifname);
3303
3304 if (arg_set_dns) {
3305 r = translate("dns", arg_ifname, strv_length(arg_set_dns), arg_set_dns, bus);
3306 if (r < 0)
3307 return r;
3308 }
3309
3310 if (arg_set_domain) {
3311 r = translate("domain", arg_ifname, strv_length(arg_set_domain), arg_set_domain, bus);
3312 if (r < 0)
3313 return r;
3314 }
3315
3316 if (arg_set_nta) {
3317 r = translate("nta", arg_ifname, strv_length(arg_set_nta), arg_set_nta, bus);
3318 if (r < 0)
3319 return r;
3320 }
3321
3322 if (arg_set_llmnr) {
3323 r = translate("llmnr", arg_ifname, 1, (char **) &arg_set_llmnr, bus);
3324 if (r < 0)
3325 return r;
3326 }
3327
3328 if (arg_set_mdns) {
3329 r = translate("mdns", arg_ifname, 1, (char **) &arg_set_mdns, bus);
3330 if (r < 0)
3331 return r;
3332 }
3333
3334 if (arg_set_dns_over_tls) {
3335 r = translate("dnsovertls", arg_ifname, 1, (char **) &arg_set_dns_over_tls, bus);
3336 if (r < 0)
3337 return r;
3338 }
3339
3340 if (arg_set_dnssec) {
3341 r = translate("dnssec", arg_ifname, 1, (char **) &arg_set_dnssec, bus);
3342 if (r < 0)
3343 return r;
3344 }
3345
3346 return r;
3347
3348 case MODE_REVERT_LINK:
3349 assert(arg_ifname);
3350
3351 return translate("revert", arg_ifname, 0, NULL, bus);
3352
3353 case _MODE_INVALID:
3354 assert_not_reached();
3355 }
3356
3357 return 0;
3358 }
3359
3360 static int run(int argc, char **argv) {
3361 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
3362 int r;
3363
3364 setlocale(LC_ALL, "");
3365 log_setup();
3366
3367 if (invoked_as(argv, "resolvconf"))
3368 r = resolvconf_parse_argv(argc, argv);
3369 else if (invoked_as(argv, "systemd-resolve"))
3370 r = compat_parse_argv(argc, argv);
3371 else
3372 r = native_parse_argv(argc, argv);
3373 if (r <= 0)
3374 return r;
3375
3376 r = sd_bus_open_system(&bus);
3377 if (r < 0)
3378 return log_error_errno(r, "sd_bus_open_system: %m");
3379
3380 if (STR_IN_SET(program_invocation_short_name, "systemd-resolve", "resolvconf"))
3381 return compat_main(argc, argv, bus);
3382
3383 return native_main(argc, argv, bus);
3384 }
3385
3386 DEFINE_MAIN_FUNCTION(run);
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