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