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sd-boot: allow configuration of log levels (#38701)
[thirdparty/systemd.git] / src / resolve / resolvectl.c
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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-daemon.h"
9#include "sd-event.h"
10#include "sd-json.h"
11#include "sd-netlink.h"
12#include "sd-varlink.h"
13
14#include "af-list.h"
15#include "alloc-util.h"
16#include "argv-util.h"
17#include "build.h"
18#include "bus-common-errors.h"
19#include "bus-error.h"
20#include "bus-locator.h"
21#include "bus-map-properties.h"
22#include "bus-message-util.h"
23#include "bus-util.h"
24#include "dns-domain.h"
25#include "errno-list.h"
26#include "errno-util.h"
27#include "escape.h"
28#include "format-ifname.h"
29#include "format-table.h"
30#include "hostname-util.h"
31#include "json-util.h"
32#include "main-func.h"
33#include "missing-network.h"
34#include "netlink-util.h"
35#include "openssl-util.h"
36#include "pager.h"
37#include "parse-argument.h"
38#include "parse-util.h"
39#include "polkit-agent.h"
40#include "pretty-print.h"
41#include "resolvconf-compat.h"
42#include "resolve-util.h"
43#include "resolvectl.h"
44#include "resolved-def.h"
45#include "resolved-dns-packet.h"
46#include "resolved-dns-rr.h"
47#include "resolved-util.h"
48#include "socket-netlink.h"
49#include "sort-util.h"
50#include "stdio-util.h"
51#include "string-table.h"
52#include "string-util.h"
53#include "strv.h"
54#include "terminal-util.h"
55#include "time-util.h"
56#include "utf8.h"
57#include "varlink-util.h"
58#include "verb-log-control.h"
59#include "verbs.h"
60
61static int arg_family = AF_UNSPEC;
62static int arg_ifindex = 0;
63static char *arg_ifname = NULL;
64static uint16_t arg_type = 0;
65static uint16_t arg_class = 0;
66static bool arg_legend = true;
67static uint64_t arg_flags = 0;
68static sd_json_format_flags_t arg_json_format_flags = SD_JSON_FORMAT_OFF;
69static PagerFlags arg_pager_flags = 0;
70bool arg_ifindex_permissive = false; /* If true, don't generate an error if the specified interface index doesn't exist */
71static const char *arg_service_family = NULL;
72static bool arg_ask_password = true;
73
74typedef enum RawType {
75 RAW_NONE,
76 RAW_PAYLOAD,
77 RAW_PACKET,
78} RawType;
79static RawType arg_raw = RAW_NONE;
80
81/* Used by compat interfaces: systemd-resolve and resolvconf. */
82ExecutionMode arg_mode = MODE_RESOLVE_HOST;
83char **arg_set_dns = NULL;
84char **arg_set_domain = NULL;
85bool arg_disable_default_route = false;
86static const char *arg_set_llmnr = NULL;
87static const char *arg_set_mdns = NULL;
88static const char *arg_set_dns_over_tls = NULL;
89static const char *arg_set_dnssec = NULL;
90static char **arg_set_nta = NULL;
91
92STATIC_DESTRUCTOR_REGISTER(arg_ifname, freep);
93STATIC_DESTRUCTOR_REGISTER(arg_set_dns, strv_freep);
94STATIC_DESTRUCTOR_REGISTER(arg_set_domain, strv_freep);
95STATIC_DESTRUCTOR_REGISTER(arg_set_nta, strv_freep);
96
97typedef enum StatusMode {
98 STATUS_ALL,
99 STATUS_DNS,
100 STATUS_DOMAIN,
101 STATUS_DEFAULT_ROUTE,
102 STATUS_LLMNR,
103 STATUS_MDNS,
104 STATUS_PRIVATE,
105 STATUS_DNSSEC,
106 STATUS_NTA,
107} StatusMode;
108
109typedef struct InterfaceInfo {
110 int index;
111 const char *name;
112} InterfaceInfo;
113
114static int acquire_bus(sd_bus **ret) {
115 _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
116 int r;
117
118 assert(ret);
119
120 r = sd_bus_open_system(&bus);
121 if (r < 0)
122 return log_error_errno(r, "sd_bus_open_system: %m");
123
124 (void) sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);
125
126 *ret = TAKE_PTR(bus);
127 return 0;
128}
129
130static int interface_info_compare(const InterfaceInfo *a, const InterfaceInfo *b) {
131 int r;
132
133 r = CMP(a->index, b->index);
134 if (r != 0)
135 return r;
136
137 return strcmp_ptr(a->name, b->name);
138}
139
140int ifname_mangle_full(const char *s, bool drop_protocol_specifier) {
141 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
142 _cleanup_strv_free_ char **found = NULL;
143 int r;
144
145 assert(s);
146
147 if (drop_protocol_specifier) {
148 _cleanup_free_ char *buf = NULL;
149 int ifindex_longest_name = -ENODEV;
150
151 /* When invoked as resolvconf, drop the protocol specifier(s) at the end. */
152
153 buf = strdup(s);
154 if (!buf)
155 return log_oom();
156
157 for (;;) {
158 r = rtnl_resolve_interface(&rtnl, buf);
159 if (r > 0) {
160 if (ifindex_longest_name <= 0)
161 ifindex_longest_name = r;
162
163 r = strv_extend(&found, buf);
164 if (r < 0)
165 return log_oom();
166 }
167
168 char *dot = strrchr(buf, '.');
169 if (!dot)
170 break;
171
172 *dot = '\0';
173 }
174
175 unsigned n = strv_length(found);
176 if (n > 1) {
177 _cleanup_free_ char *joined = NULL;
178
179 joined = strv_join(found, ", ");
180 log_warning("Found multiple interfaces (%s) matching with '%s'. Using '%s' (ifindex=%i).",
181 strna(joined), s, found[0], ifindex_longest_name);
182
183 } else if (n == 1) {
184 const char *proto;
185
186 proto = ASSERT_PTR(startswith(s, found[0]));
187 if (!isempty(proto))
188 log_info("Dropped protocol specifier '%s' from '%s'. Using '%s' (ifindex=%i).",
189 proto, s, found[0], ifindex_longest_name);
190 }
191
192 r = ifindex_longest_name;
193 } else
194 r = rtnl_resolve_interface(&rtnl, s);
195 if (r < 0) {
196 if (ERRNO_IS_DEVICE_ABSENT(r) && arg_ifindex_permissive) {
197 log_debug_errno(r, "Interface '%s' not found, but -f specified, ignoring: %m", s);
198 return 0; /* done */
199 }
200 return log_error_errno(r, "Failed to resolve interface \"%s\": %m", s);
201 }
202
203 if (arg_ifindex > 0 && arg_ifindex != r)
204 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Specified multiple different interfaces. Refusing.");
205
206 arg_ifindex = r;
207 return free_and_strdup_warn(&arg_ifname, found ? found[0] : s); /* found */
208}
209
210static void print_source(uint64_t flags, usec_t rtt) {
211 if (!arg_legend)
212 return;
213
214 if (sd_json_format_enabled(arg_json_format_flags))
215 return;
216
217 if (flags == 0)
218 return;
219
220 printf("\n%s-- Information acquired via", ansi_grey());
221
222 printf(" protocol%s%s%s%s%s",
223 flags & SD_RESOLVED_DNS ? " DNS" :"",
224 flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
225 flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
226 flags & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
227 flags & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
228
229 printf(" in %s.%s\n"
230 "%s-- Data is authenticated: %s; Data was acquired via local or encrypted transport: %s%s\n",
231 FORMAT_TIMESPAN(rtt, 100),
232 ansi_normal(),
233 ansi_grey(),
234 yes_no(flags & SD_RESOLVED_AUTHENTICATED),
235 yes_no(flags & SD_RESOLVED_CONFIDENTIAL),
236 ansi_normal());
237
238 if ((flags & (SD_RESOLVED_FROM_MASK|SD_RESOLVED_SYNTHETIC)) != 0)
239 printf("%s-- Data from:%s%s%s%s%s%s\n",
240 ansi_grey(),
241 FLAGS_SET(flags, SD_RESOLVED_SYNTHETIC) ? " synthetic" : "",
242 FLAGS_SET(flags, SD_RESOLVED_FROM_CACHE) ? " cache" : "",
243 FLAGS_SET(flags, SD_RESOLVED_FROM_ZONE) ? " zone" : "",
244 FLAGS_SET(flags, SD_RESOLVED_FROM_TRUST_ANCHOR) ? " trust-anchor" : "",
245 FLAGS_SET(flags, SD_RESOLVED_FROM_NETWORK) ? " network" : "",
246 ansi_normal());
247}
248
249static void print_ifindex_comment(int printed_so_far, int ifindex) {
250 char ifname[IF_NAMESIZE];
251 int r;
252
253 if (ifindex <= 0)
254 return;
255
256 r = format_ifname(ifindex, ifname);
257 if (r < 0)
258 return (void) log_warning_errno(r, "Failed to resolve interface name for index %i, ignoring: %m", ifindex);
259
260 printf("%*s%s-- link: %s%s",
261 60 > printed_so_far ? 60 - printed_so_far : 0, " ", /* Align comment to the 60th column */
262 ansi_grey(), ifname, ansi_normal());
263}
264
265static int resolve_host_error(const char *name, int r, const sd_bus_error *error) {
266 if (sd_bus_error_has_name(error, BUS_ERROR_DNS_NXDOMAIN))
267 return log_error_errno(r, "%s: %s", name, bus_error_message(error, r));
268
269 return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(error, r));
270}
271
272static int resolve_host(sd_bus *bus, const char *name) {
273 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
274 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
275 const char *canonical = NULL;
276 unsigned c = 0;
277 uint64_t flags;
278 usec_t ts;
279 int r;
280
281 assert(name);
282
283 if (sd_json_format_enabled(arg_json_format_flags))
284 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Use --json=pretty with --type=A or --type=AAAA to acquire address record information in JSON format.");
285
286 log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
287
288 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveHostname");
289 if (r < 0)
290 return bus_log_create_error(r);
291
292 r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
293 if (r < 0)
294 return bus_log_create_error(r);
295
296 ts = now(CLOCK_MONOTONIC);
297
298 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
299 if (r < 0)
300 return resolve_host_error(name, r, &error);
301
302 ts = now(CLOCK_MONOTONIC) - ts;
303
304 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
305 if (r < 0)
306 return bus_log_parse_error(r);
307
308 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
309 _cleanup_free_ char *pretty = NULL;
310 int ifindex, family, k;
311 union in_addr_union a;
312
313 assert_cc(sizeof(int) == sizeof(int32_t));
314
315 r = sd_bus_message_read(reply, "i", &ifindex);
316 if (r < 0)
317 return bus_log_parse_error(r);
318
319 sd_bus_error_free(&error);
320 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
321 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
322 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
323
324 r = sd_bus_message_exit_container(reply);
325 if (r < 0)
326 return bus_log_parse_error(r);
327
328 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
329 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
330 continue;
331 }
332
333 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
334 if (r < 0)
335 return log_error_errno(r, "Failed to print address for %s: %m", name);
336
337 k = printf("%*s%s %s%s%s",
338 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
339 ansi_highlight(), pretty, ansi_normal());
340
341 print_ifindex_comment(k, ifindex);
342 fputc('\n', stdout);
343
344 c++;
345 }
346 if (r < 0)
347 return bus_log_parse_error(r);
348
349 r = sd_bus_message_exit_container(reply);
350 if (r < 0)
351 return bus_log_parse_error(r);
352
353 r = sd_bus_message_read(reply, "st", &canonical, &flags);
354 if (r < 0)
355 return bus_log_parse_error(r);
356
357 if (!streq(name, canonical))
358 printf("%*s%s (%s)\n",
359 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
360 canonical);
361
362 if (c == 0)
363 return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
364 "%s: no addresses found", name);
365
366 print_source(flags, ts);
367
368 return 0;
369}
370
371static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
372 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
373 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
374 _cleanup_free_ char *pretty = NULL;
375 uint64_t flags;
376 unsigned c = 0;
377 usec_t ts;
378 int r;
379
380 assert(bus);
381 assert(IN_SET(family, AF_INET, AF_INET6));
382 assert(address);
383
384 if (sd_json_format_enabled(arg_json_format_flags))
385 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Use --json=pretty with --type= to acquire resource record information in JSON format.");
386
387 if (ifindex <= 0)
388 ifindex = arg_ifindex;
389
390 r = in_addr_ifindex_to_string(family, address, ifindex, &pretty);
391 if (r < 0)
392 return log_oom();
393
394 log_debug("Resolving %s.", pretty);
395
396 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveAddress");
397 if (r < 0)
398 return bus_log_create_error(r);
399
400 r = sd_bus_message_append(req, "ii", ifindex, family);
401 if (r < 0)
402 return bus_log_create_error(r);
403
404 r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
405 if (r < 0)
406 return bus_log_create_error(r);
407
408 r = sd_bus_message_append(req, "t", arg_flags);
409 if (r < 0)
410 return bus_log_create_error(r);
411
412 ts = now(CLOCK_MONOTONIC);
413
414 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
415 if (r < 0)
416 return log_error_errno(r, "%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
417
418 ts = now(CLOCK_MONOTONIC) - ts;
419
420 r = sd_bus_message_enter_container(reply, 'a', "(is)");
421 if (r < 0)
422 return bus_log_create_error(r);
423
424 while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
425 const char *n;
426 int k;
427
428 assert_cc(sizeof(int) == sizeof(int32_t));
429
430 r = sd_bus_message_read(reply, "is", &ifindex, &n);
431 if (r < 0)
432 return r;
433
434 r = sd_bus_message_exit_container(reply);
435 if (r < 0)
436 return r;
437
438 k = printf("%*s%s %s%s%s",
439 (int) strlen(pretty), c == 0 ? pretty : "",
440 c == 0 ? ":" : " ",
441 ansi_highlight(), n, ansi_normal());
442
443 print_ifindex_comment(k, ifindex);
444 fputc('\n', stdout);
445
446 c++;
447 }
448 if (r < 0)
449 return bus_log_parse_error(r);
450
451 r = sd_bus_message_exit_container(reply);
452 if (r < 0)
453 return bus_log_parse_error(r);
454
455 r = sd_bus_message_read(reply, "t", &flags);
456 if (r < 0)
457 return bus_log_parse_error(r);
458
459 if (c == 0)
460 return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
461 "%s: no names found", pretty);
462
463 print_source(flags, ts);
464
465 return 0;
466}
467
468static int output_rr_packet(const void *d, size_t l, int ifindex) {
469 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
470 int r;
471
472 assert(d || l == 0);
473
474 r = dns_resource_record_new_from_raw(&rr, d, l);
475 if (r < 0)
476 return log_error_errno(r, "Failed to parse RR: %m");
477
478 if (sd_json_format_enabled(arg_json_format_flags)) {
479 _cleanup_(sd_json_variant_unrefp) sd_json_variant *j = NULL;
480 r = dns_resource_record_to_json(rr, &j);
481 if (r < 0)
482 return log_error_errno(r, "Failed to convert RR to JSON: %m");
483
484 if (!j)
485 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "JSON formatting for records of type %s (%u) not available.", dns_type_to_string(rr->key->type), rr->key->type);
486
487 r = sd_json_variant_dump(j, arg_json_format_flags, NULL, NULL);
488 if (r < 0)
489 return r;
490
491 } else if (arg_raw == RAW_PAYLOAD) {
492 const void *data;
493 ssize_t k;
494
495 k = dns_resource_record_payload(rr, &data);
496 if (k == -EINVAL)
497 return log_error_errno(k, "Dumping of binary payload not available for RRs of this type: %s", dns_type_to_string(rr->key->type));
498 if (k < 0)
499 return log_error_errno(k, "Cannot dump RR: %m");
500 fwrite(data, 1, k, stdout);
501 } else {
502 const char *s;
503 int k;
504
505 s = dns_resource_record_to_string(rr);
506 if (!s)
507 return log_oom();
508
509 k = printf("%s", s);
510 print_ifindex_comment(k, ifindex);
511 fputc('\n', stdout);
512 }
513
514 return 0;
515}
516
517static int idna_candidate(const char *name, char **ret) {
518 _cleanup_free_ char *idnafied = NULL;
519 int r;
520
521 assert(name);
522 assert(ret);
523
524 r = dns_name_apply_idna(name, &idnafied);
525 if (r < 0)
526 return log_error_errno(r, "Failed to apply IDNA to name '%s': %m", name);
527 if (r > 0 && !streq(name, idnafied)) {
528 *ret = TAKE_PTR(idnafied);
529 return true;
530 }
531
532 *ret = NULL;
533 return false;
534}
535
536static bool single_label_nonsynthetic(const char *name) {
537 _cleanup_free_ char *first_label = NULL;
538 int r;
539
540 if (!dns_name_is_single_label(name))
541 return false;
542
543 if (is_localhost(name) ||
544 is_gateway_hostname(name) ||
545 is_outbound_hostname(name) ||
546 is_dns_stub_hostname(name) ||
547 is_dns_proxy_stub_hostname(name))
548 return false;
549
550 r = resolve_system_hostname(NULL, &first_label);
551 if (r < 0) {
552 log_warning_errno(r, "Failed to determine the hostname: %m");
553 return false;
554 }
555
556 return !streq(name, first_label);
557}
558
559static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type, bool warn_missing) {
560 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
561 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
562 _cleanup_free_ char *idnafied = NULL;
563 bool needs_authentication = false;
564 unsigned n = 0;
565 uint64_t flags;
566 usec_t ts;
567 int r;
568
569 assert(name);
570
571 log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(arg_ifname) ? "*" : arg_ifname);
572
573 if (dns_name_dot_suffixed(name) == 0 && single_label_nonsynthetic(name))
574 log_notice("(Note that search domains are not appended when --type= is specified. "
575 "Please specify fully qualified domain names, or remove --type= switch from invocation in order to request regular hostname resolution.)");
576
577 r = idna_candidate(name, &idnafied);
578 if (r < 0)
579 return r;
580 if (r > 0)
581 log_notice("(Note that IDNA translation is not applied when --type= is specified. "
582 "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.",
583 idnafied);
584
585 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveRecord");
586 if (r < 0)
587 return bus_log_create_error(r);
588
589 r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
590 if (r < 0)
591 return bus_log_create_error(r);
592
593 ts = now(CLOCK_MONOTONIC);
594
595 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
596 if (r < 0) {
597 if (warn_missing || r != -ENXIO)
598 log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r));
599 return r;
600 }
601
602 ts = now(CLOCK_MONOTONIC) - ts;
603
604 r = sd_bus_message_enter_container(reply, 'a', "(iqqay)");
605 if (r < 0)
606 return bus_log_parse_error(r);
607
608 while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
609 uint16_t c, t;
610 int ifindex;
611 const void *d;
612 size_t l;
613
614 assert_cc(sizeof(int) == sizeof(int32_t));
615
616 r = sd_bus_message_read(reply, "iqq", &ifindex, &c, &t);
617 if (r < 0)
618 return bus_log_parse_error(r);
619
620 r = sd_bus_message_read_array(reply, 'y', &d, &l);
621 if (r < 0)
622 return bus_log_parse_error(r);
623
624 r = sd_bus_message_exit_container(reply);
625 if (r < 0)
626 return bus_log_parse_error(r);
627
628 if (arg_raw == RAW_PACKET) {
629 uint64_t u64 = htole64(l);
630
631 fwrite(&u64, sizeof(u64), 1, stdout);
632 fwrite(d, 1, l, stdout);
633 } else {
634 r = output_rr_packet(d, l, ifindex);
635 if (r < 0)
636 return r;
637 }
638
639 if (dns_type_needs_authentication(t))
640 needs_authentication = true;
641
642 n++;
643 }
644 if (r < 0)
645 return bus_log_parse_error(r);
646
647 r = sd_bus_message_exit_container(reply);
648 if (r < 0)
649 return bus_log_parse_error(r);
650
651 r = sd_bus_message_read(reply, "t", &flags);
652 if (r < 0)
653 return bus_log_parse_error(r);
654
655 if (n == 0) {
656 if (warn_missing)
657 log_error("%s: no records found", name);
658 return -ESRCH;
659 }
660
661 print_source(flags, ts);
662
663 if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
664 fflush(stdout);
665
666 fprintf(stderr, "\n%s"
667 "WARNING: The resources shown contain cryptographic key data which could not be\n"
668 " authenticated. It is not suitable to authenticate any communication.\n"
669 " This is usually indication that DNSSEC authentication was not enabled\n"
670 " or is not available for the selected protocol or DNS servers.%s\n",
671 ansi_highlight_red(),
672 ansi_normal());
673 }
674
675 return 0;
676}
677
678static int resolve_rfc4501(sd_bus *bus, const char *name) {
679 uint16_t type = 0, class = 0;
680 const char *p, *q, *n;
681 int r;
682
683 assert(bus);
684 assert(name);
685 assert(startswith(name, "dns:"));
686
687 /* Parse RFC 4501 dns: URIs */
688
689 p = name + 4;
690
691 if (p[0] == '/') {
692 const char *e;
693
694 if (p[1] != '/')
695 goto invalid;
696
697 e = strchr(p + 2, '/');
698 if (!e)
699 goto invalid;
700
701 if (e != p + 2)
702 log_warning("DNS authority specification not supported; ignoring specified authority.");
703
704 p = e + 1;
705 }
706
707 q = strchr(p, '?');
708 if (q) {
709 n = strndupa_safe(p, q - p);
710 q++;
711
712 for (;;) {
713 const char *f;
714
715 f = startswith_no_case(q, "class=");
716 if (f) {
717 _cleanup_free_ char *t = NULL;
718 const char *e;
719
720 if (class != 0)
721 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
722 "DNS class specified twice.");
723
724 e = strchrnul(f, ';');
725 t = strndup(f, e - f);
726 if (!t)
727 return log_oom();
728
729 r = dns_class_from_string(t);
730 if (r < 0)
731 return log_error_errno(r, "Unknown DNS class %s.", t);
732
733 class = r;
734
735 if (*e == ';') {
736 q = e + 1;
737 continue;
738 }
739
740 break;
741 }
742
743 f = startswith_no_case(q, "type=");
744 if (f) {
745 _cleanup_free_ char *t = NULL;
746 const char *e;
747
748 if (type != 0)
749 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
750 "DNS type specified twice.");
751
752 e = strchrnul(f, ';');
753 t = strndup(f, e - f);
754 if (!t)
755 return log_oom();
756
757 r = dns_type_from_string(t);
758 if (r < 0)
759 return log_error_errno(r, "Unknown DNS type %s: %m", t);
760
761 type = r;
762
763 if (*e == ';') {
764 q = e + 1;
765 continue;
766 }
767
768 break;
769 }
770
771 goto invalid;
772 }
773 } else
774 n = p;
775
776 if (class == 0)
777 class = arg_class ?: DNS_CLASS_IN;
778 if (type == 0)
779 type = arg_type ?: DNS_TYPE_A;
780
781 return resolve_record(bus, n, class, type, true);
782
783invalid:
784 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
785 "Invalid DNS URI: %s", name);
786}
787
788static int verb_query(int argc, char **argv, void *userdata) {
789 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
790 int ret = 0, r;
791
792 r = acquire_bus(&bus);
793 if (r < 0)
794 return r;
795
796 if (arg_type != 0)
797 STRV_FOREACH(p, strv_skip(argv, 1))
798 RET_GATHER(ret, resolve_record(bus, *p, arg_class, arg_type, true));
799
800 else
801 STRV_FOREACH(p, strv_skip(argv, 1)) {
802 if (startswith(*p, "dns:"))
803 RET_GATHER(ret, resolve_rfc4501(bus, *p));
804 else {
805 int family, ifindex;
806 union in_addr_union a;
807
808 r = in_addr_ifindex_from_string_auto(*p, &family, &a, &ifindex);
809 if (r >= 0)
810 RET_GATHER(ret, resolve_address(bus, family, &a, ifindex));
811 else
812 RET_GATHER(ret, resolve_host(bus, *p));
813 }
814 }
815
816 return ret;
817}
818
819static int resolve_service(sd_bus *bus, const char *name, const char *type, const char *domain) {
820 const char *canonical_name, *canonical_type, *canonical_domain;
821 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
822 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
823 size_t indent, sz;
824 uint64_t flags;
825 const char *p;
826 unsigned c;
827 usec_t ts;
828 int r;
829
830 assert(bus);
831 assert(domain);
832
833 name = empty_to_null(name);
834 type = empty_to_null(type);
835
836 if (name)
837 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);
838 else if (type)
839 log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
840 else
841 log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
842
843 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveService");
844 if (r < 0)
845 return bus_log_create_error(r);
846
847 r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
848 if (r < 0)
849 return bus_log_create_error(r);
850
851 ts = now(CLOCK_MONOTONIC);
852
853 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
854 if (r < 0)
855 return log_error_errno(r, "Resolve call failed: %s", bus_error_message(&error, r));
856
857 ts = now(CLOCK_MONOTONIC) - ts;
858
859 r = sd_bus_message_enter_container(reply, 'a', "(qqqsa(iiay)s)");
860 if (r < 0)
861 return bus_log_parse_error(r);
862
863 indent =
864 (name ? strlen(name) + 1 : 0) +
865 (type ? strlen(type) + 1 : 0) +
866 strlen(domain) + 2;
867
868 c = 0;
869 while ((r = sd_bus_message_enter_container(reply, 'r', "qqqsa(iiay)s")) > 0) {
870 uint16_t priority, weight, port;
871 const char *hostname, *canonical;
872
873 r = sd_bus_message_read(reply, "qqqs", &priority, &weight, &port, &hostname);
874 if (r < 0)
875 return bus_log_parse_error(r);
876
877 if (name)
878 printf("%*s%s", (int) strlen(name), c == 0 ? name : "", c == 0 ? "/" : " ");
879 if (type)
880 printf("%*s%s", (int) strlen(type), c == 0 ? type : "", c == 0 ? "/" : " ");
881
882 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
883 (int) strlen(domain), c == 0 ? domain : "",
884 c == 0 ? ":" : " ",
885 hostname, port,
886 priority, weight);
887
888 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
889 if (r < 0)
890 return bus_log_parse_error(r);
891
892 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
893 _cleanup_free_ char *pretty = NULL;
894 int ifindex, family, k;
895 union in_addr_union a;
896
897 assert_cc(sizeof(int) == sizeof(int32_t));
898
899 r = sd_bus_message_read(reply, "i", &ifindex);
900 if (r < 0)
901 return bus_log_parse_error(r);
902
903 sd_bus_error_free(&error);
904 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
905 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
906 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
907
908 r = sd_bus_message_exit_container(reply);
909 if (r < 0)
910 return bus_log_parse_error(r);
911
912 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
913 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
914 continue;
915 }
916
917 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
918 if (r < 0)
919 return log_error_errno(r, "Failed to print address for %s: %m", name);
920
921 k = printf("%*s%s", (int) indent, "", pretty);
922 print_ifindex_comment(k, ifindex);
923 fputc('\n', stdout);
924 }
925 if (r < 0)
926 return bus_log_parse_error(r);
927
928 r = sd_bus_message_exit_container(reply);
929 if (r < 0)
930 return bus_log_parse_error(r);
931
932 r = sd_bus_message_read(reply, "s", &canonical);
933 if (r < 0)
934 return bus_log_parse_error(r);
935
936 if (!streq(hostname, canonical))
937 printf("%*s(%s)\n", (int) indent, "", canonical);
938
939 r = sd_bus_message_exit_container(reply);
940 if (r < 0)
941 return bus_log_parse_error(r);
942
943 c++;
944 }
945 if (r < 0)
946 return bus_log_parse_error(r);
947
948 r = sd_bus_message_exit_container(reply);
949 if (r < 0)
950 return bus_log_parse_error(r);
951
952 r = sd_bus_message_enter_container(reply, 'a', "ay");
953 if (r < 0)
954 return bus_log_parse_error(r);
955
956 while ((r = sd_bus_message_read_array(reply, 'y', (const void**) &p, &sz)) > 0) {
957 _cleanup_free_ char *escaped = NULL;
958
959 escaped = cescape_length(p, sz);
960 if (!escaped)
961 return log_oom();
962
963 printf("%*s%s\n", (int) indent, "", escaped);
964 }
965 if (r < 0)
966 return bus_log_parse_error(r);
967
968 r = sd_bus_message_exit_container(reply);
969 if (r < 0)
970 return bus_log_parse_error(r);
971
972 r = sd_bus_message_read(reply, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
973 if (r < 0)
974 return bus_log_parse_error(r);
975
976 canonical_name = empty_to_null(canonical_name);
977 canonical_type = empty_to_null(canonical_type);
978
979 if (!streq_ptr(name, canonical_name) ||
980 !streq_ptr(type, canonical_type) ||
981 !streq_ptr(domain, canonical_domain)) {
982
983 printf("%*s(", (int) indent, "");
984
985 if (canonical_name)
986 printf("%s/", canonical_name);
987 if (canonical_type)
988 printf("%s/", canonical_type);
989
990 printf("%s)\n", canonical_domain);
991 }
992
993 print_source(flags, ts);
994
995 return 0;
996}
997
998static int verb_service(int argc, char **argv, void *userdata) {
999 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1000 int r;
1001
1002 r = acquire_bus(&bus);
1003 if (r < 0)
1004 return r;
1005
1006 if (sd_json_format_enabled(arg_json_format_flags))
1007 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Use --json=pretty with --type= to acquire resource record information in JSON format.");
1008
1009 if (argc == 2)
1010 return resolve_service(bus, NULL, NULL, argv[1]);
1011 else if (argc == 3)
1012 return resolve_service(bus, NULL, argv[1], argv[2]);
1013 else
1014 return resolve_service(bus, argv[1], argv[2], argv[3]);
1015}
1016
1017static int resolve_openpgp(sd_bus *bus, const char *address) {
1018 const char *domain, *full;
1019 int r;
1020 _cleanup_free_ char *hashed = NULL;
1021
1022 assert(bus);
1023 assert(address);
1024
1025 domain = strrchr(address, '@');
1026 if (!domain)
1027 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1028 "Address does not contain '@': \"%s\"", address);
1029 if (domain == address || domain[1] == '\0')
1030 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1031 "Address starts or ends with '@': \"%s\"", address);
1032 domain++;
1033
1034 r = string_hashsum_sha256(address, domain - 1 - address, &hashed);
1035 if (r < 0)
1036 return log_error_errno(r, "Hashing failed: %m");
1037
1038 strshorten(hashed, 56);
1039
1040 full = strjoina(hashed, "._openpgpkey.", domain);
1041 log_debug("Looking up \"%s\".", full);
1042
1043 r = resolve_record(bus, full,
1044 arg_class ?: DNS_CLASS_IN,
1045 arg_type ?: DNS_TYPE_OPENPGPKEY, false);
1046
1047 if (IN_SET(r, -ENXIO, -ESRCH)) { /* NXDOMAIN or NODATA? */
1048 hashed = mfree(hashed);
1049 r = string_hashsum_sha224(address, domain - 1 - address, &hashed);
1050 if (r < 0)
1051 return log_error_errno(r, "Hashing failed: %m");
1052
1053 full = strjoina(hashed, "._openpgpkey.", domain);
1054 log_debug("Looking up \"%s\".", full);
1055
1056 return resolve_record(bus, full,
1057 arg_class ?: DNS_CLASS_IN,
1058 arg_type ?: DNS_TYPE_OPENPGPKEY, true);
1059 }
1060
1061 return r;
1062}
1063
1064static int verb_openpgp(int argc, char **argv, void *userdata) {
1065 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1066 int r, ret = 0;
1067
1068 r = acquire_bus(&bus);
1069 if (r < 0)
1070 return r;
1071
1072 if (sd_json_format_enabled(arg_json_format_flags))
1073 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Use --json=pretty with --type= to acquire resource record information in JSON format.");
1074
1075 STRV_FOREACH(p, strv_skip(argv, 1))
1076 RET_GATHER(ret, resolve_openpgp(bus, *p));
1077
1078 return ret;
1079}
1080
1081static int resolve_tlsa(sd_bus *bus, const char *family, const char *address) {
1082 const char *port;
1083 uint16_t port_num = 443;
1084 _cleanup_free_ char *full = NULL;
1085 int r;
1086
1087 assert(bus);
1088 assert(address);
1089
1090 port = strrchr(address, ':');
1091 if (port) {
1092 r = parse_ip_port(port + 1, &port_num);
1093 if (r < 0)
1094 return log_error_errno(r, "Invalid port \"%s\".", port + 1);
1095
1096 address = strndupa_safe(address, port - address);
1097 }
1098
1099 r = asprintf(&full, "_%u._%s.%s",
1100 port_num,
1101 family,
1102 address);
1103 if (r < 0)
1104 return log_oom();
1105
1106 log_debug("Looking up \"%s\".", full);
1107
1108 return resolve_record(bus, full,
1109 arg_class ?: DNS_CLASS_IN,
1110 arg_type ?: DNS_TYPE_TLSA, true);
1111}
1112
1113static bool service_family_is_valid(const char *s) {
1114 return STR_IN_SET(s, "tcp", "udp", "sctp");
1115}
1116
1117static int verb_tlsa(int argc, char **argv, void *userdata) {
1118 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1119 const char *family = "tcp";
1120 char **args;
1121 int r, ret = 0;
1122
1123 assert(argc >= 2);
1124
1125 r = acquire_bus(&bus);
1126 if (r < 0)
1127 return r;
1128
1129 if (sd_json_format_enabled(arg_json_format_flags))
1130 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Use --json=pretty with --type= to acquire resource record information in JSON format.");
1131
1132 if (service_family_is_valid(argv[1])) {
1133 family = argv[1];
1134 args = strv_skip(argv, 2);
1135 } else
1136 args = strv_skip(argv, 1);
1137
1138 STRV_FOREACH(p, args)
1139 RET_GATHER(ret, resolve_tlsa(bus, family, *p));
1140
1141 return ret;
1142}
1143
1144static int show_statistics(int argc, char **argv, void *userdata) {
1145 _cleanup_(table_unrefp) Table *table = NULL;
1146 sd_json_variant *reply = NULL;
1147 _cleanup_(sd_varlink_unrefp) sd_varlink *vl = NULL;
1148 int r;
1149
1150 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
1151
1152 r = sd_varlink_connect_address(&vl, "/run/systemd/resolve/io.systemd.Resolve.Monitor");
1153 if (r < 0)
1154 return log_error_errno(r, "Failed to connect to query monitoring service /run/systemd/resolve/io.systemd.Resolve.Monitor: %m");
1155
1156 r = varlink_callbo_and_log(
1157 vl,
1158 "io.systemd.Resolve.Monitor.DumpStatistics",
1159 &reply,
1160 SD_JSON_BUILD_PAIR_BOOLEAN("allowInteractiveAuthentication", arg_ask_password));
1161 if (r < 0)
1162 return r;
1163
1164 if (sd_json_format_enabled(arg_json_format_flags))
1165 return sd_json_variant_dump(reply, arg_json_format_flags, NULL, NULL);
1166
1167 struct statistics {
1168 sd_json_variant *transactions;
1169 sd_json_variant *cache;
1170 sd_json_variant *dnssec;
1171 } statistics;
1172
1173 static const sd_json_dispatch_field statistics_dispatch_table[] = {
1174 { "transactions", SD_JSON_VARIANT_OBJECT, sd_json_dispatch_variant_noref, offsetof(struct statistics, transactions), SD_JSON_MANDATORY },
1175 { "cache", SD_JSON_VARIANT_OBJECT, sd_json_dispatch_variant_noref, offsetof(struct statistics, cache), SD_JSON_MANDATORY },
1176 { "dnssec", SD_JSON_VARIANT_OBJECT, sd_json_dispatch_variant_noref, offsetof(struct statistics, dnssec), SD_JSON_MANDATORY },
1177 {},
1178 };
1179
1180 r = sd_json_dispatch(reply, statistics_dispatch_table, SD_JSON_LOG, &statistics);
1181 if (r < 0)
1182 return r;
1183
1184 struct transactions {
1185 uint64_t n_current_transactions;
1186 uint64_t n_transactions_total;
1187 uint64_t n_timeouts_total;
1188 uint64_t n_timeouts_served_stale_total;
1189 uint64_t n_failure_responses_total;
1190 uint64_t n_failure_responses_served_stale_total;
1191 } transactions;
1192
1193 static const sd_json_dispatch_field transactions_dispatch_table[] = {
1194 { "currentTransactions", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct transactions, n_current_transactions), SD_JSON_MANDATORY },
1195 { "totalTransactions", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct transactions, n_transactions_total), SD_JSON_MANDATORY },
1196 { "totalTimeouts", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct transactions, n_timeouts_total), SD_JSON_MANDATORY },
1197 { "totalTimeoutsServedStale", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct transactions, n_timeouts_served_stale_total), SD_JSON_MANDATORY },
1198 { "totalFailedResponses", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct transactions, n_failure_responses_total), SD_JSON_MANDATORY },
1199 { "totalFailedResponsesServedStale", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct transactions, n_failure_responses_served_stale_total), SD_JSON_MANDATORY },
1200 {},
1201 };
1202
1203 r = sd_json_dispatch(statistics.transactions, transactions_dispatch_table, SD_JSON_LOG, &transactions);
1204 if (r < 0)
1205 return r;
1206
1207 struct cache {
1208 uint64_t cache_size;
1209 uint64_t n_cache_hit;
1210 uint64_t n_cache_miss;
1211 } cache;
1212
1213 static const sd_json_dispatch_field cache_dispatch_table[] = {
1214 { "size", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct cache, cache_size), SD_JSON_MANDATORY },
1215 { "hits", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct cache, n_cache_hit), SD_JSON_MANDATORY },
1216 { "misses", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct cache, n_cache_miss), SD_JSON_MANDATORY },
1217 {},
1218 };
1219
1220 r = sd_json_dispatch(statistics.cache, cache_dispatch_table, SD_JSON_LOG, &cache);
1221 if (r < 0)
1222 return r;
1223
1224 struct dnsssec {
1225 uint64_t n_dnssec_secure;
1226 uint64_t n_dnssec_insecure;
1227 uint64_t n_dnssec_bogus;
1228 uint64_t n_dnssec_indeterminate;
1229 } dnsssec;
1230
1231 static const sd_json_dispatch_field dnssec_dispatch_table[] = {
1232 { "secure", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct dnsssec, n_dnssec_secure), SD_JSON_MANDATORY },
1233 { "insecure", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct dnsssec, n_dnssec_insecure), SD_JSON_MANDATORY },
1234 { "bogus", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct dnsssec, n_dnssec_bogus), SD_JSON_MANDATORY },
1235 { "indeterminate", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct dnsssec, n_dnssec_indeterminate), SD_JSON_MANDATORY },
1236 {},
1237 };
1238
1239 r = sd_json_dispatch(statistics.dnssec, dnssec_dispatch_table, SD_JSON_LOG, &dnsssec);
1240 if (r < 0)
1241 return r;
1242
1243 table = table_new_vertical();
1244 if (!table)
1245 return log_oom();
1246
1247 r = table_add_many(table,
1248 TABLE_STRING, "Transactions",
1249 TABLE_SET_COLOR, ansi_highlight(),
1250 TABLE_SET_ALIGN_PERCENT, 0,
1251 TABLE_EMPTY,
1252 TABLE_FIELD, "Current Transactions",
1253 TABLE_SET_ALIGN_PERCENT, 100,
1254 TABLE_UINT64, transactions.n_current_transactions,
1255 TABLE_SET_ALIGN_PERCENT, 100,
1256 TABLE_FIELD, "Total Transactions",
1257 TABLE_UINT64, transactions.n_transactions_total,
1258 TABLE_EMPTY, TABLE_EMPTY,
1259 TABLE_STRING, "Cache",
1260 TABLE_SET_COLOR, ansi_highlight(),
1261 TABLE_SET_ALIGN_PERCENT, 0,
1262 TABLE_EMPTY,
1263 TABLE_FIELD, "Current Cache Size",
1264 TABLE_SET_ALIGN_PERCENT, 100,
1265 TABLE_UINT64, cache.cache_size,
1266 TABLE_FIELD, "Cache Hits",
1267 TABLE_UINT64, cache.n_cache_hit,
1268 TABLE_FIELD, "Cache Misses",
1269 TABLE_UINT64, cache.n_cache_miss,
1270 TABLE_EMPTY, TABLE_EMPTY,
1271 TABLE_STRING, "Failure Transactions",
1272 TABLE_SET_COLOR, ansi_highlight(),
1273 TABLE_SET_ALIGN_PERCENT, 0,
1274 TABLE_EMPTY,
1275 TABLE_FIELD, "Total Timeouts",
1276 TABLE_SET_ALIGN_PERCENT, 100,
1277 TABLE_UINT64, transactions.n_timeouts_total,
1278 TABLE_FIELD, "Total Timeouts (Stale Data Served)",
1279 TABLE_UINT64, transactions.n_timeouts_served_stale_total,
1280 TABLE_FIELD, "Total Failure Responses",
1281 TABLE_UINT64, transactions.n_failure_responses_total,
1282 TABLE_FIELD, "Total Failure Responses (Stale Data Served)",
1283 TABLE_UINT64, transactions.n_failure_responses_served_stale_total,
1284 TABLE_EMPTY, TABLE_EMPTY,
1285 TABLE_STRING, "DNSSEC Verdicts",
1286 TABLE_SET_COLOR, ansi_highlight(),
1287 TABLE_SET_ALIGN_PERCENT, 0,
1288 TABLE_EMPTY,
1289 TABLE_FIELD, "Secure",
1290 TABLE_SET_ALIGN_PERCENT, 100,
1291 TABLE_UINT64, dnsssec.n_dnssec_secure,
1292 TABLE_FIELD, "Insecure",
1293 TABLE_UINT64, dnsssec.n_dnssec_insecure,
1294 TABLE_FIELD, "Bogus",
1295 TABLE_UINT64, dnsssec.n_dnssec_bogus,
1296 TABLE_FIELD, "Indeterminate",
1297 TABLE_UINT64, dnsssec.n_dnssec_indeterminate
1298 );
1299 if (r < 0)
1300 return table_log_add_error(r);
1301
1302 r = table_print(table, NULL);
1303 if (r < 0)
1304 return table_log_print_error(r);
1305
1306 return 0;
1307}
1308
1309static int reset_statistics(int argc, char **argv, void *userdata) {
1310 sd_json_variant *reply = NULL;
1311 _cleanup_(sd_varlink_unrefp) sd_varlink *vl = NULL;
1312 int r;
1313
1314 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
1315
1316 r = sd_varlink_connect_address(&vl, "/run/systemd/resolve/io.systemd.Resolve.Monitor");
1317 if (r < 0)
1318 return log_error_errno(r, "Failed to connect to query monitoring service /run/systemd/resolve/io.systemd.Resolve.Monitor: %m");
1319
1320 r = varlink_callbo_and_log(
1321 vl,
1322 "io.systemd.Resolve.Monitor.ResetStatistics",
1323 &reply,
1324 SD_JSON_BUILD_PAIR_BOOLEAN("allowInteractiveAuthentication", arg_ask_password));
1325 if (r < 0)
1326 return r;
1327
1328 if (sd_json_format_enabled(arg_json_format_flags))
1329 return sd_json_variant_dump(reply, arg_json_format_flags, NULL, NULL);
1330
1331 return 0;
1332}
1333
1334static int flush_caches(int argc, char **argv, void *userdata) {
1335 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1336 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1337 int r;
1338
1339 r = acquire_bus(&bus);
1340 if (r < 0)
1341 return r;
1342
1343 r = bus_call_method(bus, bus_resolve_mgr, "FlushCaches", &error, NULL, NULL);
1344 if (r < 0)
1345 return log_error_errno(r, "Failed to flush caches: %s", bus_error_message(&error, r));
1346
1347 return 0;
1348}
1349
1350static int reset_server_features(int argc, char **argv, void *userdata) {
1351 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1352 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1353 int r;
1354
1355 r = acquire_bus(&bus);
1356 if (r < 0)
1357 return r;
1358
1359 r = bus_call_method(bus, bus_resolve_mgr, "ResetServerFeatures", &error, NULL, NULL);
1360 if (r < 0)
1361 return log_error_errno(r, "Failed to reset server features: %s", bus_error_message(&error, r));
1362
1363 return 0;
1364}
1365
1366typedef enum {
1367 READ_DNS_WITH_IFINDEX = 1 << 0, /* read "ifindex" reply that also carries an interface index */
1368 READ_DNS_EXTENDED = 1 << 1, /* read "extended" reply, i.e. with port number and server name */
1369 READ_DNS_ONLY_GLOBAL = 1 << 2, /* suppress entries with an (non-loopback) ifindex set (i.e. which are specific to some interface) */
1370} ReadDNSFlag;
1371
1372static const char *dns_server_property_signature(ReadDNSFlag flags) {
1373 switch (flags & (READ_DNS_WITH_IFINDEX|READ_DNS_EXTENDED)) {
1374
1375 case 0:
1376 return "iay";
1377
1378 case READ_DNS_WITH_IFINDEX:
1379 return "iiay";
1380
1381 case READ_DNS_EXTENDED:
1382 return "iayqs";
1383
1384 case READ_DNS_WITH_IFINDEX|READ_DNS_EXTENDED:
1385 return "iiayqs";
1386
1387 default:
1388 assert_not_reached();
1389 }
1390}
1391
1392static int read_dns_server_one(sd_bus_message *m, ReadDNSFlag flags, char **ret) {
1393 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1394 _cleanup_free_ char *pretty = NULL;
1395 union in_addr_union a;
1396 const char *name = NULL;
1397 int32_t ifindex = 0;
1398 int family, r;
1399 uint16_t port = 0;
1400
1401 assert(m);
1402 assert(ret);
1403
1404 r = sd_bus_message_enter_container(
1405 m,
1406 'r',
1407 dns_server_property_signature(flags));
1408 if (r <= 0)
1409 return r;
1410
1411 if (FLAGS_SET(flags, READ_DNS_WITH_IFINDEX)) {
1412 r = sd_bus_message_read(m, "i", &ifindex);
1413 if (r < 0)
1414 return r;
1415 }
1416
1417 r = bus_message_read_in_addr_auto(m, &error, &family, &a);
1418 if (r < 0) {
1419 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
1420 /* CurrentDNSServer provides AF_UNSPEC when no current server assigned. */
1421 log_debug("Invalid DNS server, ignoring: %s", bus_error_message(&error, r));
1422
1423 for (;;) {
1424 r = sd_bus_message_skip(m, NULL);
1425 if (r == -ENXIO) /* End of the container */
1426 break;
1427 if (r < 0)
1428 return r;
1429 }
1430
1431 r = sd_bus_message_exit_container(m);
1432 if (r < 0)
1433 return r;
1434
1435 *ret = NULL;
1436 return 1;
1437 }
1438
1439 return r;
1440 }
1441
1442 if (FLAGS_SET(flags, READ_DNS_EXTENDED)) {
1443 r = sd_bus_message_read(m, "qs", &port, &name);
1444 if (r < 0)
1445 return r;
1446 }
1447
1448 r = sd_bus_message_exit_container(m);
1449 if (r < 0)
1450 return r;
1451
1452 if (FLAGS_SET(flags, READ_DNS_ONLY_GLOBAL) && ifindex > 0 && ifindex != LOOPBACK_IFINDEX) {
1453 /* This one has an (non-loopback) ifindex set, and we were told to suppress those. Hence do so. */
1454 *ret = NULL;
1455 return 1;
1456 }
1457
1458 r = in_addr_port_ifindex_name_to_string(family, &a, port, ifindex, name, &pretty);
1459 if (r < 0)
1460 return r;
1461
1462 *ret = TAKE_PTR(pretty);
1463 return 1;
1464}
1465
1466static int map_dns_servers_internal(sd_bus *bus, const char *member, sd_bus_message *m, ReadDNSFlag flags, sd_bus_error *error, void *userdata) {
1467 char ***l = ASSERT_PTR(userdata);
1468 int r;
1469
1470 assert(bus);
1471 assert(member);
1472 assert(m);
1473
1474 const char *sig = strjoina("(", dns_server_property_signature(flags), ")");
1475
1476 r = sd_bus_message_enter_container(m, 'a', sig);
1477 if (r < 0)
1478 return r;
1479
1480 for (;;) {
1481 _cleanup_free_ char *pretty = NULL;
1482
1483 r = read_dns_server_one(m, flags, &pretty);
1484 if (r < 0)
1485 return r;
1486 if (r == 0)
1487 break;
1488
1489 if (isempty(pretty))
1490 continue;
1491
1492 r = strv_consume(l, TAKE_PTR(pretty));
1493 if (r < 0)
1494 return r;
1495 }
1496
1497 r = sd_bus_message_exit_container(m);
1498 if (r < 0)
1499 return r;
1500
1501 return 0;
1502}
1503
1504static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1505 return map_dns_servers_internal(bus, member, m, /* flags = */ 0, error, userdata);
1506}
1507
1508static int map_link_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1509 return map_dns_servers_internal(bus, member, m, READ_DNS_EXTENDED, error, userdata);
1510}
1511
1512static int map_link_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1513 assert(m);
1514 assert(userdata);
1515
1516 return read_dns_server_one(m, /* flags = */ 0, userdata);
1517}
1518
1519static int map_link_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1520 assert(m);
1521 assert(userdata);
1522
1523 return read_dns_server_one(m, READ_DNS_EXTENDED, userdata);
1524}
1525
1526static int read_domain_one(sd_bus_message *m, bool with_ifindex, char **ret) {
1527 _cleanup_free_ char *str = NULL;
1528 int ifindex, route_only, r;
1529 const char *domain;
1530
1531 assert(m);
1532 assert(ret);
1533
1534 if (with_ifindex)
1535 r = sd_bus_message_read(m, "(isb)", &ifindex, &domain, &route_only);
1536 else
1537 r = sd_bus_message_read(m, "(sb)", &domain, &route_only);
1538 if (r <= 0)
1539 return r;
1540
1541 if (with_ifindex && ifindex != 0) {
1542 /* only show the global ones here */
1543 *ret = NULL;
1544 return 1;
1545 }
1546
1547 if (route_only)
1548 str = strjoin("~", domain);
1549 else
1550 str = strdup(domain);
1551 if (!str)
1552 return -ENOMEM;
1553
1554 *ret = TAKE_PTR(str);
1555 return 1;
1556}
1557
1558static int map_domains_internal(
1559 sd_bus *bus,
1560 const char *member,
1561 sd_bus_message *m,
1562 bool with_ifindex,
1563 sd_bus_error *error,
1564 void *userdata) {
1565
1566 char ***l = ASSERT_PTR(userdata);
1567 int r;
1568
1569 assert(bus);
1570 assert(member);
1571 assert(m);
1572
1573 r = sd_bus_message_enter_container(m, 'a', with_ifindex ? "(isb)" : "(sb)");
1574 if (r < 0)
1575 return r;
1576
1577 for (;;) {
1578 _cleanup_free_ char *pretty = NULL;
1579
1580 r = read_domain_one(m, with_ifindex, &pretty);
1581 if (r < 0)
1582 return r;
1583 if (r == 0)
1584 break;
1585
1586 if (isempty(pretty))
1587 continue;
1588
1589 r = strv_consume(l, TAKE_PTR(pretty));
1590 if (r < 0)
1591 return r;
1592 }
1593
1594 r = sd_bus_message_exit_container(m);
1595 if (r < 0)
1596 return r;
1597
1598 return 0;
1599}
1600
1601static int map_link_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1602 return map_domains_internal(bus, member, m, /* with_ifindex= */ false, error, userdata);
1603}
1604
1605static int status_print_strv_full(int ifindex, const char *ifname, const char *delegate_id, char **p) {
1606 const unsigned indent = strlen("Global: "); /* Use the same indentation everywhere to make things nice */
1607 int pos1, pos2;
1608
1609 if (ifname)
1610 printf("%s%nLink %i (%s)%n%s:", ansi_highlight(), &pos1, ifindex, ifname, &pos2, ansi_normal());
1611 else if (delegate_id)
1612 printf("%s%nDelegate %s%n%s:", ansi_highlight(), &pos1, delegate_id, &pos2, ansi_normal());
1613 else
1614 printf("%s%nGlobal%n%s:", ansi_highlight(), &pos1, &pos2, ansi_normal());
1615
1616 size_t cols = columns(), position = pos2 - pos1 + 2;
1617
1618 STRV_FOREACH(i, p) {
1619 size_t our_len = utf8_console_width(*i); /* This returns -1 on invalid utf-8 (which shouldn't happen).
1620 * If that happens, we'll just print one item per line. */
1621
1622 if (position <= indent || size_add(size_add(position, 1), our_len) < cols) {
1623 printf(" %s", *i);
1624 position = size_add(size_add(position, 1), our_len);
1625 } else {
1626 printf("\n%*s%s", (int) indent, "", *i);
1627 position = size_add(our_len, indent);
1628 }
1629 }
1630
1631 printf("\n");
1632
1633 return 0;
1634}
1635
1636static int status_print_strv_ifindex(int ifindex, const char *ifname, char **p) {
1637 return status_print_strv_full(ifindex, ifname, NULL, p);
1638}
1639
1640static int status_print_strv_delegate(const char *delegate_id, char **p) {
1641 return status_print_strv_full(0, NULL, delegate_id, p);
1642}
1643
1644static int status_print_strv_global(char **p) {
1645 return status_print_strv_full(0, NULL, NULL, p);
1646}
1647
1648typedef struct LinkInfo {
1649 uint64_t scopes_mask;
1650 const char *llmnr;
1651 const char *mdns;
1652 const char *dns_over_tls;
1653 const char *dnssec;
1654 char *current_dns;
1655 char *current_dns_ex;
1656 char **dns;
1657 char **dns_ex;
1658 char **domains;
1659 char **ntas;
1660 bool dnssec_supported;
1661 bool default_route;
1662} LinkInfo;
1663
1664typedef struct GlobalInfo {
1665 char *current_dns;
1666 char *current_dns_ex;
1667 char **dns;
1668 char **dns_ex;
1669 char **fallback_dns;
1670 char **fallback_dns_ex;
1671 char **domains;
1672 char **ntas;
1673 const char *llmnr;
1674 const char *mdns;
1675 const char *dns_over_tls;
1676 const char *dnssec;
1677 const char *resolv_conf_mode;
1678 bool dnssec_supported;
1679} GlobalInfo;
1680
1681static void link_info_done(LinkInfo *p) {
1682 assert(p);
1683
1684 free(p->current_dns);
1685 free(p->current_dns_ex);
1686 strv_free(p->dns);
1687 strv_free(p->dns_ex);
1688 strv_free(p->domains);
1689 strv_free(p->ntas);
1690}
1691
1692static void global_info_done(GlobalInfo *p) {
1693 assert(p);
1694
1695 free(p->current_dns);
1696 free(p->current_dns_ex);
1697 strv_free(p->dns);
1698 strv_free(p->dns_ex);
1699 strv_free(p->fallback_dns);
1700 strv_free(p->fallback_dns_ex);
1701 strv_free(p->domains);
1702 strv_free(p->ntas);
1703}
1704
1705static int dump_list(Table *table, const char *field, char * const *l) {
1706 int r;
1707
1708 if (strv_isempty(l))
1709 return 0;
1710
1711 r = table_add_many(table,
1712 TABLE_FIELD, field,
1713 TABLE_STRV_WRAPPED, l);
1714 if (r < 0)
1715 return table_log_add_error(r);
1716
1717 return 0;
1718}
1719
1720static int strv_extend_extended_bool(char ***strv, const char *name, const char *value) {
1721 int r;
1722
1723 if (value) {
1724 r = parse_boolean(value);
1725 if (r >= 0)
1726 return strv_extendf(strv, "%s%s", plus_minus(r), name);
1727 }
1728
1729 return strv_extendf(strv, "%s=%s", name, value ?: "???");
1730}
1731
1732static char** link_protocol_status(const LinkInfo *info) {
1733 _cleanup_strv_free_ char **s = NULL;
1734
1735 if (strv_extendf(&s, "%sDefaultRoute", plus_minus(info->default_route)) < 0)
1736 return NULL;
1737
1738 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1739 return NULL;
1740
1741 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1742 return NULL;
1743
1744 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1745 return NULL;
1746
1747 if (strv_extendf(&s, "DNSSEC=%s/%s",
1748 info->dnssec ?: "???",
1749 info->dnssec_supported ? "supported" : "unsupported") < 0)
1750 return NULL;
1751
1752 return TAKE_PTR(s);
1753}
1754
1755static char** global_protocol_status(const GlobalInfo *info) {
1756 _cleanup_strv_free_ char **s = NULL;
1757
1758 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1759 return NULL;
1760
1761 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1762 return NULL;
1763
1764 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1765 return NULL;
1766
1767 if (strv_extendf(&s, "DNSSEC=%s/%s",
1768 info->dnssec ?: "???",
1769 info->dnssec_supported ? "supported" : "unsupported") < 0)
1770 return NULL;
1771
1772 return TAKE_PTR(s);
1773}
1774
1775static int status_ifindex(sd_bus *bus, int ifindex, const char *name, StatusMode mode, bool *empty_line) {
1776 static const struct bus_properties_map property_map[] = {
1777 { "ScopesMask", "t", NULL, offsetof(LinkInfo, scopes_mask) },
1778 { "DNS", "a(iay)", map_link_dns_servers, offsetof(LinkInfo, dns) },
1779 { "DNSEx", "a(iayqs)", map_link_dns_servers_ex, offsetof(LinkInfo, dns_ex) },
1780 { "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(LinkInfo, current_dns) },
1781 { "CurrentDNSServerEx", "(iayqs)", map_link_current_dns_server_ex, offsetof(LinkInfo, current_dns_ex) },
1782 { "Domains", "a(sb)", map_link_domains, offsetof(LinkInfo, domains) },
1783 { "DefaultRoute", "b", NULL, offsetof(LinkInfo, default_route) },
1784 { "LLMNR", "s", NULL, offsetof(LinkInfo, llmnr) },
1785 { "MulticastDNS", "s", NULL, offsetof(LinkInfo, mdns) },
1786 { "DNSOverTLS", "s", NULL, offsetof(LinkInfo, dns_over_tls) },
1787 { "DNSSEC", "s", NULL, offsetof(LinkInfo, dnssec) },
1788 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(LinkInfo, ntas) },
1789 { "DNSSECSupported", "b", NULL, offsetof(LinkInfo, dnssec_supported) },
1790 {}
1791 };
1792 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1793 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1794 _cleanup_(link_info_done) LinkInfo link_info = {};
1795 _cleanup_(table_unrefp) Table *table = NULL;
1796 _cleanup_free_ char *p = NULL;
1797 char ifi[DECIMAL_STR_MAX(int)], ifname[IF_NAMESIZE];
1798 int r;
1799
1800 assert(bus);
1801 assert(ifindex > 0);
1802
1803 if (!name) {
1804 r = format_ifname(ifindex, ifname);
1805 if (r < 0)
1806 return log_error_errno(r, "Failed to resolve interface name for %i: %m", ifindex);
1807
1808 name = ifname;
1809 }
1810
1811 xsprintf(ifi, "%i", ifindex);
1812 r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi, &p);
1813 if (r < 0)
1814 return log_oom();
1815
1816 r = bus_map_all_properties(bus,
1817 "org.freedesktop.resolve1",
1818 p,
1819 property_map,
1820 BUS_MAP_BOOLEAN_AS_BOOL,
1821 &error,
1822 &m,
1823 &link_info);
1824 if (r < 0)
1825 return log_error_errno(r, "Failed to get link data for %i: %s", ifindex, bus_error_message(&error, r));
1826
1827 pager_open(arg_pager_flags);
1828
1829 switch (mode) {
1830
1831 case STATUS_DNS:
1832 return status_print_strv_ifindex(ifindex, name, link_info.dns_ex ?: link_info.dns);
1833
1834 case STATUS_DOMAIN:
1835 return status_print_strv_ifindex(ifindex, name, link_info.domains);
1836
1837 case STATUS_NTA:
1838 return status_print_strv_ifindex(ifindex, name, link_info.ntas);
1839
1840 case STATUS_DEFAULT_ROUTE:
1841 printf("%sLink %i (%s)%s: %s\n",
1842 ansi_highlight(), ifindex, name, ansi_normal(),
1843 yes_no(link_info.default_route));
1844
1845 return 0;
1846
1847 case STATUS_LLMNR:
1848 printf("%sLink %i (%s)%s: %s\n",
1849 ansi_highlight(), ifindex, name, ansi_normal(),
1850 strna(link_info.llmnr));
1851
1852 return 0;
1853
1854 case STATUS_MDNS:
1855 printf("%sLink %i (%s)%s: %s\n",
1856 ansi_highlight(), ifindex, name, ansi_normal(),
1857 strna(link_info.mdns));
1858
1859 return 0;
1860
1861 case STATUS_PRIVATE:
1862 printf("%sLink %i (%s)%s: %s\n",
1863 ansi_highlight(), ifindex, name, ansi_normal(),
1864 strna(link_info.dns_over_tls));
1865
1866 return 0;
1867
1868 case STATUS_DNSSEC:
1869 printf("%sLink %i (%s)%s: %s\n",
1870 ansi_highlight(), ifindex, name, ansi_normal(),
1871 strna(link_info.dnssec));
1872
1873 return 0;
1874
1875 case STATUS_ALL:
1876 break;
1877
1878 default:
1879 return 0;
1880 }
1881
1882 if (empty_line && *empty_line)
1883 fputc('\n', stdout);
1884
1885 printf("%sLink %i (%s)%s\n",
1886 ansi_highlight(), ifindex, name, ansi_normal());
1887
1888 table = table_new_vertical();
1889 if (!table)
1890 return log_oom();
1891
1892 r = table_add_many(table,
1893 TABLE_FIELD, "Current Scopes",
1894 TABLE_SET_MINIMUM_WIDTH, 19);
1895 if (r < 0)
1896 return table_log_add_error(r);
1897
1898 if (link_info.scopes_mask == 0)
1899 r = table_add_cell(table, NULL, TABLE_STRING, "none");
1900 else {
1901 _cleanup_free_ char *buf = NULL;
1902 size_t len;
1903
1904 if (asprintf(&buf, "%s%s%s%s%s",
1905 link_info.scopes_mask & SD_RESOLVED_DNS ? "DNS " : "",
1906 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV4 ? "LLMNR/IPv4 " : "",
1907 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV6 ? "LLMNR/IPv6 " : "",
1908 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? "mDNS/IPv4 " : "",
1909 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? "mDNS/IPv6 " : "") < 0)
1910 return log_oom();
1911
1912 len = strlen(buf);
1913 assert(len > 0);
1914 buf[len - 1] = '\0';
1915
1916 r = table_add_cell(table, NULL, TABLE_STRING, buf);
1917 }
1918 if (r < 0)
1919 return table_log_add_error(r);
1920
1921 _cleanup_strv_free_ char **pstatus = link_protocol_status(&link_info);
1922 if (!pstatus)
1923 return log_oom();
1924
1925 r = table_add_many(table,
1926 TABLE_FIELD, "Protocols",
1927 TABLE_STRV_WRAPPED, pstatus);
1928 if (r < 0)
1929 return table_log_add_error(r);
1930
1931 if (link_info.current_dns) {
1932 r = table_add_many(table,
1933 TABLE_FIELD, "Current DNS Server",
1934 TABLE_STRING, link_info.current_dns_ex ?: link_info.current_dns);
1935 if (r < 0)
1936 return table_log_add_error(r);
1937 }
1938
1939 r = dump_list(table, "DNS Servers", link_info.dns_ex ?: link_info.dns);
1940 if (r < 0)
1941 return r;
1942
1943 r = dump_list(table, "DNS Domain", link_info.domains);
1944 if (r < 0)
1945 return r;
1946
1947 r = table_add_many(table,
1948 TABLE_FIELD, "Default Route",
1949 TABLE_BOOLEAN, link_info.default_route);
1950 if (r < 0)
1951 return table_log_add_error(r);
1952
1953 r = table_print(table, NULL);
1954 if (r < 0)
1955 return table_log_print_error(r);
1956
1957 if (empty_line)
1958 *empty_line = true;
1959
1960 return 0;
1961}
1962
1963static int map_global_dns_servers_internal(
1964 sd_bus *bus,
1965 const char *member,
1966 sd_bus_message *m,
1967 sd_bus_error *error,
1968 void *userdata,
1969 ReadDNSFlag flags) {
1970
1971 char ***l = ASSERT_PTR(userdata);
1972 int r;
1973
1974 assert(bus);
1975 assert(member);
1976 assert(m);
1977
1978 r = sd_bus_message_enter_container(m, 'a', FLAGS_SET(flags, READ_DNS_EXTENDED) ? "(iiayqs)" : "(iiay)");
1979 if (r < 0)
1980 return r;
1981
1982 for (;;) {
1983 _cleanup_free_ char *pretty = NULL;
1984
1985 r = read_dns_server_one(m, flags, &pretty);
1986 if (r < 0)
1987 return r;
1988 if (r == 0)
1989 break;
1990
1991 if (isempty(pretty))
1992 continue;
1993
1994 r = strv_consume(l, TAKE_PTR(pretty));
1995 if (r < 0)
1996 return r;
1997 }
1998
1999 r = sd_bus_message_exit_container(m);
2000 if (r < 0)
2001 return r;
2002
2003 return 0;
2004}
2005
2006static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
2007 return map_global_dns_servers_internal(bus, member, m, error, userdata, READ_DNS_WITH_IFINDEX | READ_DNS_ONLY_GLOBAL);
2008}
2009
2010static int map_global_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
2011 return map_global_dns_servers_internal(bus, member, m, error, userdata, READ_DNS_WITH_IFINDEX | READ_DNS_ONLY_GLOBAL | READ_DNS_EXTENDED);
2012}
2013
2014static int map_global_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
2015 return read_dns_server_one(m, READ_DNS_WITH_IFINDEX | READ_DNS_ONLY_GLOBAL, userdata);
2016}
2017
2018static int map_global_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
2019 return read_dns_server_one(m, READ_DNS_WITH_IFINDEX | READ_DNS_ONLY_GLOBAL | READ_DNS_EXTENDED, userdata);
2020}
2021
2022static int map_global_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
2023 return map_domains_internal(bus, member, m, /* with_ifindex= */ true, error, userdata);
2024}
2025
2026static int status_global(sd_bus *bus, StatusMode mode, bool *empty_line) {
2027 static const struct bus_properties_map property_map[] = {
2028 { "DNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, dns) },
2029 { "DNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, dns_ex) },
2030 { "FallbackDNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, fallback_dns) },
2031 { "FallbackDNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, fallback_dns_ex) },
2032 { "CurrentDNSServer", "(iiay)", map_global_current_dns_server, offsetof(GlobalInfo, current_dns) },
2033 { "CurrentDNSServerEx", "(iiayqs)", map_global_current_dns_server_ex, offsetof(GlobalInfo, current_dns_ex) },
2034 { "Domains", "a(isb)", map_global_domains, offsetof(GlobalInfo, domains) },
2035 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(GlobalInfo, ntas) },
2036 { "LLMNR", "s", NULL, offsetof(GlobalInfo, llmnr) },
2037 { "MulticastDNS", "s", NULL, offsetof(GlobalInfo, mdns) },
2038 { "DNSOverTLS", "s", NULL, offsetof(GlobalInfo, dns_over_tls) },
2039 { "DNSSEC", "s", NULL, offsetof(GlobalInfo, dnssec) },
2040 { "DNSSECSupported", "b", NULL, offsetof(GlobalInfo, dnssec_supported) },
2041 { "ResolvConfMode", "s", NULL, offsetof(GlobalInfo, resolv_conf_mode) },
2042 {}
2043 };
2044 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2045 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
2046 _cleanup_(global_info_done) GlobalInfo global_info = {};
2047 _cleanup_(table_unrefp) Table *table = NULL;
2048 int r;
2049
2050 assert(bus);
2051 assert(empty_line);
2052
2053 r = bus_map_all_properties(bus,
2054 "org.freedesktop.resolve1",
2055 "/org/freedesktop/resolve1",
2056 property_map,
2057 BUS_MAP_BOOLEAN_AS_BOOL,
2058 &error,
2059 &m,
2060 &global_info);
2061 if (r < 0)
2062 return log_error_errno(r, "Failed to get global data: %s", bus_error_message(&error, r));
2063
2064 pager_open(arg_pager_flags);
2065
2066 switch (mode) {
2067
2068 case STATUS_DNS:
2069 return status_print_strv_global(global_info.dns_ex ?: global_info.dns);
2070
2071 case STATUS_DOMAIN:
2072 return status_print_strv_global(global_info.domains);
2073
2074 case STATUS_NTA:
2075 return status_print_strv_global(global_info.ntas);
2076
2077 case STATUS_LLMNR:
2078 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
2079 strna(global_info.llmnr));
2080
2081 return 0;
2082
2083 case STATUS_MDNS:
2084 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
2085 strna(global_info.mdns));
2086
2087 return 0;
2088
2089 case STATUS_PRIVATE:
2090 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
2091 strna(global_info.dns_over_tls));
2092
2093 return 0;
2094
2095 case STATUS_DNSSEC:
2096 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
2097 strna(global_info.dnssec));
2098
2099 return 0;
2100
2101 case STATUS_ALL:
2102 break;
2103
2104 default:
2105 return 0;
2106 }
2107
2108 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
2109
2110 table = table_new_vertical();
2111 if (!table)
2112 return log_oom();
2113
2114 _cleanup_strv_free_ char **pstatus = global_protocol_status(&global_info);
2115 if (!pstatus)
2116 return log_oom();
2117
2118 r = table_add_many(table,
2119 TABLE_FIELD, "Protocols",
2120 TABLE_SET_MINIMUM_WIDTH, 19,
2121 TABLE_STRV_WRAPPED, pstatus);
2122 if (r < 0)
2123 return table_log_add_error(r);
2124
2125 if (global_info.resolv_conf_mode) {
2126 r = table_add_many(table,
2127 TABLE_FIELD, "resolv.conf mode",
2128 TABLE_STRING, global_info.resolv_conf_mode);
2129 if (r < 0)
2130 return table_log_add_error(r);
2131 }
2132
2133 if (global_info.current_dns) {
2134 r = table_add_many(table,
2135 TABLE_FIELD, "Current DNS Server",
2136 TABLE_STRING, global_info.current_dns_ex ?: global_info.current_dns);
2137 if (r < 0)
2138 return table_log_add_error(r);
2139 }
2140
2141 r = dump_list(table, "DNS Servers", global_info.dns_ex ?: global_info.dns);
2142 if (r < 0)
2143 return r;
2144
2145 r = dump_list(table, "Fallback DNS Servers", global_info.fallback_dns_ex ?: global_info.fallback_dns);
2146 if (r < 0)
2147 return r;
2148
2149 r = dump_list(table, "DNS Domain", global_info.domains);
2150 if (r < 0)
2151 return r;
2152
2153 r = table_print(table, NULL);
2154 if (r < 0)
2155 return table_log_print_error(r);
2156
2157 *empty_line = true;
2158
2159 return 0;
2160}
2161
2162static int status_links(sd_bus *bus, StatusMode mode, bool *empty_line) {
2163 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
2164 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
2165 int ret = 0, r;
2166
2167 assert(bus);
2168
2169 r = sd_netlink_open(&rtnl);
2170 if (r < 0)
2171 return log_error_errno(r, "Failed to connect to netlink: %m");
2172
2173 r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
2174 if (r < 0)
2175 return rtnl_log_create_error(r);
2176
2177 r = sd_netlink_message_set_request_dump(req, true);
2178 if (r < 0)
2179 return rtnl_log_create_error(r);
2180
2181 r = sd_netlink_call(rtnl, req, 0, &reply);
2182 if (r < 0)
2183 return log_error_errno(r, "Failed to enumerate links: %m");
2184
2185 _cleanup_free_ InterfaceInfo *infos = NULL;
2186 size_t n_infos = 0;
2187
2188 for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) {
2189 const char *name;
2190 int ifindex;
2191 uint16_t type;
2192
2193 r = sd_netlink_message_get_type(i, &type);
2194 if (r < 0)
2195 return rtnl_log_parse_error(r);
2196
2197 if (type != RTM_NEWLINK)
2198 continue;
2199
2200 r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
2201 if (r < 0)
2202 return rtnl_log_parse_error(r);
2203
2204 if (ifindex == LOOPBACK_IFINDEX)
2205 continue;
2206
2207 r = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
2208 if (r < 0)
2209 return rtnl_log_parse_error(r);
2210
2211 if (!GREEDY_REALLOC(infos, n_infos + 1))
2212 return log_oom();
2213
2214 infos[n_infos++] = (InterfaceInfo) { ifindex, name };
2215 }
2216
2217 typesafe_qsort(infos, n_infos, interface_info_compare);
2218
2219 FOREACH_ARRAY(info, infos, n_infos)
2220 RET_GATHER(ret, status_ifindex(bus, info->index, info->name, mode, empty_line));
2221
2222 return ret;
2223}
2224
2225typedef struct DelegateInfo {
2226 char *current_dns;
2227 char **dns;
2228 char **domains;
2229 bool default_route;
2230} DelegateInfo;
2231
2232static void delegate_info_done(DelegateInfo *p) {
2233 assert(p);
2234
2235 free(p->current_dns);
2236 strv_free(p->dns);
2237 strv_free(p->domains);
2238}
2239
2240static int map_delegate_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
2241 return map_dns_servers_internal(bus, member, m, READ_DNS_WITH_IFINDEX|READ_DNS_EXTENDED, error, userdata);
2242}
2243
2244static int map_delegate_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
2245 return read_dns_server_one(m, READ_DNS_WITH_IFINDEX|READ_DNS_EXTENDED, userdata);
2246}
2247
2248static int map_delegate_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
2249 return map_domains_internal(bus, member, m, /* with_ifindex= */ false, error, userdata);
2250}
2251
2252static int status_delegate_one(sd_bus *bus, const char *id, StatusMode mode, bool *empty_line) {
2253
2254 static const struct bus_properties_map property_map[] = {
2255 { "DNS", "a(iiayqs)", map_delegate_dns_servers, offsetof(DelegateInfo, dns) },
2256 { "CurrentDNSServer", "(iiayqs)", map_delegate_current_dns_server, offsetof(DelegateInfo, current_dns) },
2257 { "Domains", "a(sb)", map_delegate_domains, offsetof(DelegateInfo, domains) },
2258 { "DefaultRoute", "b", NULL, offsetof(DelegateInfo, default_route) },
2259 {}
2260 };
2261
2262 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2263 _cleanup_(delegate_info_done) DelegateInfo delegate_info = {};
2264 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
2265 _cleanup_free_ char *p = NULL;
2266 int r;
2267
2268 assert(bus);
2269 assert(id);
2270
2271 r = sd_bus_path_encode("/org/freedesktop/resolve1/dns_delegate", id, &p);
2272 if (r < 0)
2273 return log_oom();
2274
2275 r = bus_map_all_properties(
2276 bus,
2277 "org.freedesktop.resolve1",
2278 p,
2279 property_map,
2280 BUS_MAP_BOOLEAN_AS_BOOL,
2281 &error,
2282 &m,
2283 &delegate_info);
2284 if (r < 0)
2285 return log_error_errno(r, "Failed to get delegate data for %s: %s", id, bus_error_message(&error, r));
2286
2287 pager_open(arg_pager_flags);
2288
2289 switch (mode) {
2290
2291 case STATUS_DNS:
2292 return status_print_strv_delegate(id, delegate_info.dns);
2293
2294 case STATUS_DOMAIN:
2295 return status_print_strv_delegate(id, delegate_info.domains);
2296
2297 case STATUS_DEFAULT_ROUTE:
2298 printf("%sDelegate %s%s: %s\n",
2299 ansi_highlight(), id, ansi_normal(),
2300 yes_no(delegate_info.default_route));
2301
2302 return 0;
2303
2304 case STATUS_ALL:
2305 break;
2306
2307 default:
2308 return 0;
2309 }
2310
2311 if (empty_line && *empty_line)
2312 fputc('\n', stdout);
2313
2314 printf("%sDelegate %s%s\n",
2315 ansi_highlight(), id, ansi_normal());
2316
2317 _cleanup_(table_unrefp) Table *table = table_new_vertical();
2318 if (!table)
2319 return log_oom();
2320
2321 if (delegate_info.current_dns) {
2322 r = table_add_many(table,
2323 TABLE_FIELD, "Current DNS Server",
2324 TABLE_STRING, delegate_info.current_dns);
2325 if (r < 0)
2326 return table_log_add_error(r);
2327 }
2328
2329 r = dump_list(table, "DNS Servers", delegate_info.dns);
2330 if (r < 0)
2331 return r;
2332
2333 r = dump_list(table, "DNS Domain", delegate_info.domains);
2334 if (r < 0)
2335 return r;
2336
2337 r = table_add_many(table,
2338 TABLE_FIELD, "Default Route",
2339 TABLE_SET_MINIMUM_WIDTH, 19,
2340 TABLE_BOOLEAN, delegate_info.default_route);
2341 if (r < 0)
2342 return table_log_add_error(r);
2343
2344 r = table_print(table, NULL);
2345 if (r < 0)
2346 return table_log_print_error(r);
2347
2348 if (empty_line)
2349 *empty_line = true;
2350
2351 return 0;
2352}
2353
2354static int status_delegates(sd_bus *bus, StatusMode mode, bool *empty_line) {
2355 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2356 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2357 int r, ret = 0;
2358
2359 assert(bus);
2360
2361 r = bus_call_method(bus, bus_resolve_mgr, "ListDelegates", &error, &reply, NULL);
2362 if (r < 0) {
2363 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2364 log_debug("Delegates not supported, skipping.");
2365 return 0;
2366 }
2367 return log_error_errno(r, "Failed to list delegates: %s", bus_error_message(&error, r));
2368 }
2369
2370 r = sd_bus_message_enter_container(reply, 'a', "(so)");
2371 if (r < 0)
2372 return bus_log_parse_error(r);
2373
2374 _cleanup_strv_free_ char **l = NULL;
2375 for (;;) {
2376 const char *id;
2377
2378 r = sd_bus_message_read(reply, "(so)", &id, NULL);
2379 if (r < 0)
2380 return bus_log_parse_error(r);
2381 if (r == 0)
2382 break;
2383
2384 if (strv_extend(&l, id) < 0)
2385 return log_oom();
2386 }
2387
2388 r = sd_bus_message_exit_container(reply);
2389 if (r < 0)
2390 return bus_log_parse_error(r);
2391
2392 strv_sort(l);
2393
2394 STRV_FOREACH(i, l)
2395 RET_GATHER(ret, status_delegate_one(bus, *i, mode, empty_line));
2396
2397 return ret;
2398}
2399
2400static int status_all(sd_bus *bus, StatusMode mode) {
2401 bool empty_line = false;
2402 int r;
2403
2404 assert(bus);
2405
2406 r = status_global(bus, mode, &empty_line);
2407 if (r < 0)
2408 return r;
2409
2410 r = status_links(bus, mode, &empty_line);
2411 if (r < 0)
2412 return r;
2413
2414 r = status_delegates(bus, mode, &empty_line);
2415 if (r < 0)
2416 return r;
2417
2418 return 0;
2419}
2420
2421static int verb_status(int argc, char **argv, void *userdata) {
2422 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2423 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
2424 bool empty_line = false;
2425 int r, ret = 0;
2426
2427 r = acquire_bus(&bus);
2428 if (r < 0)
2429 return r;
2430
2431 if (argc <= 1)
2432 return status_all(bus, STATUS_ALL);
2433
2434 STRV_FOREACH(ifname, strv_skip(argv, 1)) {
2435 int ifindex;
2436
2437 ifindex = rtnl_resolve_interface(&rtnl, *ifname);
2438 if (ifindex < 0) {
2439 log_warning_errno(ifindex, "Failed to resolve interface \"%s\", ignoring: %m", *ifname);
2440 continue;
2441 }
2442
2443 RET_GATHER(ret, status_ifindex(bus, ifindex, NULL, STATUS_ALL, &empty_line));
2444 }
2445
2446 return ret;
2447}
2448
2449static int call_dns(sd_bus *bus, char **dns, const BusLocator *locator, sd_bus_error *error, bool extended) {
2450 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2451 int r;
2452
2453 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
2454
2455 r = bus_message_new_method_call(bus, &req, locator, extended ? "SetLinkDNSEx" : "SetLinkDNS");
2456 if (r < 0)
2457 return bus_log_create_error(r);
2458
2459 r = sd_bus_message_append(req, "i", arg_ifindex);
2460 if (r < 0)
2461 return bus_log_create_error(r);
2462
2463 r = sd_bus_message_open_container(req, 'a', extended ? "(iayqs)" : "(iay)");
2464 if (r < 0)
2465 return bus_log_create_error(r);
2466
2467 /* If only argument is the empty string, then call SetLinkDNS() with an
2468 * empty list, which will clear the list of domains for an interface. */
2469 if (!strv_equal(dns, STRV_MAKE("")))
2470 STRV_FOREACH(p, dns) {
2471 _cleanup_free_ char *name = NULL;
2472 struct in_addr_data data;
2473 uint16_t port;
2474 int ifindex;
2475
2476 r = in_addr_port_ifindex_name_from_string_auto(*p, &data.family, &data.address, &port, &ifindex, &name);
2477 if (r < 0)
2478 return log_error_errno(r, "Failed to parse DNS server address: %s", *p);
2479
2480 if (ifindex != 0 && ifindex != arg_ifindex)
2481 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid ifindex: %i", ifindex);
2482
2483 r = sd_bus_message_open_container(req, 'r', extended ? "iayqs" : "iay");
2484 if (r < 0)
2485 return bus_log_create_error(r);
2486
2487 r = sd_bus_message_append(req, "i", data.family);
2488 if (r < 0)
2489 return bus_log_create_error(r);
2490
2491 r = sd_bus_message_append_array(req, 'y', &data.address, FAMILY_ADDRESS_SIZE(data.family));
2492 if (r < 0)
2493 return bus_log_create_error(r);
2494
2495 if (extended) {
2496 r = sd_bus_message_append(req, "q", port);
2497 if (r < 0)
2498 return bus_log_create_error(r);
2499
2500 r = sd_bus_message_append(req, "s", name);
2501 if (r < 0)
2502 return bus_log_create_error(r);
2503 }
2504
2505 r = sd_bus_message_close_container(req);
2506 if (r < 0)
2507 return bus_log_create_error(r);
2508 }
2509
2510 r = sd_bus_message_close_container(req);
2511 if (r < 0)
2512 return bus_log_create_error(r);
2513
2514 r = sd_bus_call(bus, req, 0, error, NULL);
2515 if (r < 0 && extended && sd_bus_error_has_name(error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2516 sd_bus_error_free(error);
2517 return call_dns(bus, dns, locator, error, false);
2518 }
2519 return r;
2520}
2521
2522static int verb_dns(int argc, char **argv, void *userdata) {
2523 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2524 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2525 int r;
2526
2527 r = acquire_bus(&bus);
2528 if (r < 0)
2529 return r;
2530
2531 if (argc >= 2) {
2532 r = ifname_mangle(argv[1]);
2533 if (r < 0)
2534 return r;
2535 }
2536
2537 if (arg_ifindex <= 0)
2538 return status_all(bus, STATUS_DNS);
2539
2540 if (argc < 3)
2541 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNS, NULL);
2542
2543 char **args = strv_skip(argv, 2);
2544 r = call_dns(bus, args, bus_resolve_mgr, &error, true);
2545 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2546 sd_bus_error_free(&error);
2547
2548 r = call_dns(bus, args, bus_network_mgr, &error, true);
2549 }
2550 if (r < 0) {
2551 if (arg_ifindex_permissive &&
2552 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2553 return 0;
2554
2555 return log_error_errno(r, "Failed to set DNS configuration: %s", bus_error_message(&error, r));
2556 }
2557
2558 return 0;
2559}
2560
2561static int call_domain(sd_bus *bus, char **domain, const BusLocator *locator, sd_bus_error *error) {
2562 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2563 int r;
2564
2565 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
2566
2567 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDomains");
2568 if (r < 0)
2569 return bus_log_create_error(r);
2570
2571 r = sd_bus_message_append(req, "i", arg_ifindex);
2572 if (r < 0)
2573 return bus_log_create_error(r);
2574
2575 r = sd_bus_message_open_container(req, 'a', "(sb)");
2576 if (r < 0)
2577 return bus_log_create_error(r);
2578
2579 /* If only argument is the empty string, then call SetLinkDomains() with an
2580 * empty list, which will clear the list of domains for an interface. */
2581 if (!strv_equal(domain, STRV_MAKE("")))
2582 STRV_FOREACH(p, domain) {
2583 const char *n;
2584
2585 n = **p == '~' ? *p + 1 : *p;
2586
2587 r = dns_name_is_valid(n);
2588 if (r < 0)
2589 return log_error_errno(r, "Failed to validate specified domain %s: %m", n);
2590 if (r == 0)
2591 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2592 "Domain not valid: %s",
2593 n);
2594
2595 r = sd_bus_message_append(req, "(sb)", n, **p == '~');
2596 if (r < 0)
2597 return bus_log_create_error(r);
2598 }
2599
2600 r = sd_bus_message_close_container(req);
2601 if (r < 0)
2602 return bus_log_create_error(r);
2603
2604 return sd_bus_call(bus, req, 0, error, NULL);
2605}
2606
2607static int verb_domain(int argc, char **argv, void *userdata) {
2608 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2609 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2610 int r;
2611
2612 r = acquire_bus(&bus);
2613 if (r < 0)
2614 return r;
2615
2616 if (argc >= 2) {
2617 r = ifname_mangle(argv[1]);
2618 if (r < 0)
2619 return r;
2620 }
2621
2622 if (arg_ifindex <= 0)
2623 return status_all(bus, STATUS_DOMAIN);
2624
2625 if (argc < 3)
2626 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DOMAIN, NULL);
2627
2628 char **args = strv_skip(argv, 2);
2629 r = call_domain(bus, args, bus_resolve_mgr, &error);
2630 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2631 sd_bus_error_free(&error);
2632
2633 r = call_domain(bus, args, bus_network_mgr, &error);
2634 }
2635 if (r < 0) {
2636 if (arg_ifindex_permissive &&
2637 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2638 return 0;
2639
2640 return log_error_errno(r, "Failed to set domain configuration: %s", bus_error_message(&error, r));
2641 }
2642
2643 return 0;
2644}
2645
2646static int verb_default_route(int argc, char **argv, void *userdata) {
2647 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2648 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2649 int r, b;
2650
2651 r = acquire_bus(&bus);
2652 if (r < 0)
2653 return r;
2654
2655 if (argc >= 2) {
2656 r = ifname_mangle(argv[1]);
2657 if (r < 0)
2658 return r;
2659 }
2660
2661 if (arg_ifindex <= 0)
2662 return status_all(bus, STATUS_DEFAULT_ROUTE);
2663
2664 if (argc < 3)
2665 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DEFAULT_ROUTE, NULL);
2666
2667 b = parse_boolean(argv[2]);
2668 if (b < 0)
2669 return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]);
2670
2671 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
2672
2673 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2674 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2675 sd_bus_error_free(&error);
2676
2677 r = bus_call_method(bus, bus_network_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2678 }
2679 if (r < 0) {
2680 if (arg_ifindex_permissive &&
2681 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2682 return 0;
2683
2684 return log_error_errno(r, "Failed to set default route configuration: %s", bus_error_message(&error, r));
2685 }
2686
2687 return 0;
2688}
2689
2690static int verb_llmnr(int argc, char **argv, void *userdata) {
2691 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2692 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2693 _cleanup_free_ char *global_llmnr_support_str = NULL;
2694 ResolveSupport global_llmnr_support, llmnr_support;
2695 int r;
2696
2697 r = acquire_bus(&bus);
2698 if (r < 0)
2699 return r;
2700
2701 if (argc >= 2) {
2702 r = ifname_mangle(argv[1]);
2703 if (r < 0)
2704 return r;
2705 }
2706
2707 if (arg_ifindex <= 0)
2708 return status_all(bus, STATUS_LLMNR);
2709
2710 if (argc < 3)
2711 return status_ifindex(bus, arg_ifindex, NULL, STATUS_LLMNR, NULL);
2712
2713 llmnr_support = resolve_support_from_string(argv[2]);
2714 if (llmnr_support < 0)
2715 return log_error_errno(llmnr_support, "Invalid LLMNR setting: %s", argv[2]);
2716
2717 r = bus_get_property_string(bus, bus_resolve_mgr, "LLMNR", &error, &global_llmnr_support_str);
2718 if (r < 0)
2719 return log_error_errno(r, "Failed to get the global LLMNR support state: %s", bus_error_message(&error, r));
2720
2721 global_llmnr_support = resolve_support_from_string(global_llmnr_support_str);
2722 if (global_llmnr_support < 0)
2723 return log_error_errno(global_llmnr_support, "Received invalid global LLMNR setting: %s", global_llmnr_support_str);
2724
2725 if (global_llmnr_support < llmnr_support)
2726 log_warning("Setting LLMNR support level \"%s\" for \"%s\", but the global support level is \"%s\".",
2727 argv[2], arg_ifname, global_llmnr_support_str);
2728
2729 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
2730
2731 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2732 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2733 sd_bus_error_free(&error);
2734
2735 r = bus_call_method(bus, bus_network_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2736 }
2737 if (r < 0) {
2738 if (arg_ifindex_permissive &&
2739 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2740 return 0;
2741
2742 return log_error_errno(r, "Failed to set LLMNR configuration: %s", bus_error_message(&error, r));
2743 }
2744
2745 return 0;
2746}
2747
2748static int verb_mdns(int argc, char **argv, void *userdata) {
2749 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2750 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2751 _cleanup_free_ char *global_mdns_support_str = NULL;
2752 ResolveSupport global_mdns_support, mdns_support;
2753 int r;
2754
2755 r = acquire_bus(&bus);
2756 if (r < 0)
2757 return r;
2758
2759 if (argc >= 2) {
2760 r = ifname_mangle(argv[1]);
2761 if (r < 0)
2762 return r;
2763 }
2764
2765 if (arg_ifindex <= 0)
2766 return status_all(bus, STATUS_MDNS);
2767
2768 if (argc < 3)
2769 return status_ifindex(bus, arg_ifindex, NULL, STATUS_MDNS, NULL);
2770
2771 mdns_support = resolve_support_from_string(argv[2]);
2772 if (mdns_support < 0)
2773 return log_error_errno(mdns_support, "Invalid mDNS setting: %s", argv[2]);
2774
2775 r = bus_get_property_string(bus, bus_resolve_mgr, "MulticastDNS", &error, &global_mdns_support_str);
2776 if (r < 0)
2777 return log_error_errno(r, "Failed to get the global mDNS support state: %s", bus_error_message(&error, r));
2778
2779 global_mdns_support = resolve_support_from_string(global_mdns_support_str);
2780 if (global_mdns_support < 0)
2781 return log_error_errno(global_mdns_support, "Received invalid global mDNS setting: %s", global_mdns_support_str);
2782
2783 if (global_mdns_support < mdns_support)
2784 log_warning("Setting mDNS support level \"%s\" for \"%s\", but the global support level is \"%s\".",
2785 argv[2], arg_ifname, global_mdns_support_str);
2786
2787 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
2788
2789 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkMulticastDNS", &error, NULL, "is", arg_ifindex, argv[2]);
2790 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2791 sd_bus_error_free(&error);
2792
2793 r = bus_call_method(
2794 bus,
2795 bus_network_mgr,
2796 "SetLinkMulticastDNS",
2797 &error,
2798 NULL,
2799 "is", arg_ifindex, argv[2]);
2800 }
2801 if (r < 0) {
2802 if (arg_ifindex_permissive &&
2803 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2804 return 0;
2805
2806 return log_error_errno(r, "Failed to set MulticastDNS configuration: %s", bus_error_message(&error, r));
2807 }
2808
2809 return 0;
2810}
2811
2812static int verb_dns_over_tls(int argc, char **argv, void *userdata) {
2813 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2814 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2815 int r;
2816
2817 r = acquire_bus(&bus);
2818 if (r < 0)
2819 return r;
2820
2821 if (argc >= 2) {
2822 r = ifname_mangle(argv[1]);
2823 if (r < 0)
2824 return r;
2825 }
2826
2827 if (arg_ifindex <= 0)
2828 return status_all(bus, STATUS_PRIVATE);
2829
2830 if (argc < 3)
2831 return status_ifindex(bus, arg_ifindex, NULL, STATUS_PRIVATE, NULL);
2832
2833 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
2834
2835 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSOverTLS", &error, NULL, "is", arg_ifindex, argv[2]);
2836 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2837 sd_bus_error_free(&error);
2838
2839 r = bus_call_method(
2840 bus,
2841 bus_network_mgr,
2842 "SetLinkDNSOverTLS",
2843 &error,
2844 NULL,
2845 "is", arg_ifindex, argv[2]);
2846 }
2847 if (r < 0) {
2848 if (arg_ifindex_permissive &&
2849 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2850 return 0;
2851
2852 return log_error_errno(r, "Failed to set DNSOverTLS configuration: %s", bus_error_message(&error, r));
2853 }
2854
2855 return 0;
2856}
2857
2858static int verb_dnssec(int argc, char **argv, void *userdata) {
2859 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2860 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2861 int r;
2862
2863 r = acquire_bus(&bus);
2864 if (r < 0)
2865 return r;
2866
2867 if (argc >= 2) {
2868 r = ifname_mangle(argv[1]);
2869 if (r < 0)
2870 return r;
2871 }
2872
2873 if (arg_ifindex <= 0)
2874 return status_all(bus, STATUS_DNSSEC);
2875
2876 if (argc < 3)
2877 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNSSEC, NULL);
2878
2879 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
2880
2881 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2882 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2883 sd_bus_error_free(&error);
2884
2885 r = bus_call_method(bus, bus_network_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2886 }
2887 if (r < 0) {
2888 if (arg_ifindex_permissive &&
2889 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2890 return 0;
2891
2892 return log_error_errno(r, "Failed to set DNSSEC configuration: %s", bus_error_message(&error, r));
2893 }
2894
2895 return 0;
2896}
2897
2898static int call_nta(sd_bus *bus, char **nta, const BusLocator *locator, sd_bus_error *error) {
2899 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2900 int r;
2901
2902 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
2903
2904 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDNSSECNegativeTrustAnchors");
2905 if (r < 0)
2906 return bus_log_create_error(r);
2907
2908 r = sd_bus_message_append(req, "i", arg_ifindex);
2909 if (r < 0)
2910 return bus_log_create_error(r);
2911
2912 r = sd_bus_message_append_strv(req, nta);
2913 if (r < 0)
2914 return bus_log_create_error(r);
2915
2916 return sd_bus_call(bus, req, 0, error, NULL);
2917}
2918
2919static int verb_nta(int argc, char **argv, void *userdata) {
2920 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2921 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2922 char **args;
2923 bool clear;
2924 int r;
2925
2926 r = acquire_bus(&bus);
2927 if (r < 0)
2928 return r;
2929
2930 if (argc >= 2) {
2931 r = ifname_mangle(argv[1]);
2932 if (r < 0)
2933 return r;
2934 }
2935
2936 if (arg_ifindex <= 0)
2937 return status_all(bus, STATUS_NTA);
2938
2939 if (argc < 3)
2940 return status_ifindex(bus, arg_ifindex, NULL, STATUS_NTA, NULL);
2941
2942 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
2943
2944 /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
2945 * with an empty list, which will clear the list of domains for an interface. */
2946 args = strv_skip(argv, 2);
2947 clear = strv_equal(args, STRV_MAKE(""));
2948
2949 if (!clear)
2950 STRV_FOREACH(p, args) {
2951 r = dns_name_is_valid(*p);
2952 if (r < 0)
2953 return log_error_errno(r, "Failed to validate specified domain %s: %m", *p);
2954 if (r == 0)
2955 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2956 "Domain not valid: %s",
2957 *p);
2958 }
2959
2960 r = call_nta(bus, clear ? NULL : args, bus_resolve_mgr, &error);
2961 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2962 sd_bus_error_free(&error);
2963
2964 r = call_nta(bus, clear ? NULL : args, bus_network_mgr, &error);
2965 }
2966 if (r < 0) {
2967 if (arg_ifindex_permissive &&
2968 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2969 return 0;
2970
2971 return log_error_errno(r, "Failed to set DNSSEC NTA configuration: %s", bus_error_message(&error, r));
2972 }
2973
2974 return 0;
2975}
2976
2977static int verb_revert_link(int argc, char **argv, void *userdata) {
2978 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2979 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2980 int r;
2981
2982 r = acquire_bus(&bus);
2983 if (r < 0)
2984 return r;
2985
2986 if (argc >= 2) {
2987 r = ifname_mangle(argv[1]);
2988 if (r < 0)
2989 return r;
2990 }
2991
2992 if (arg_ifindex <= 0)
2993 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Interface argument required.");
2994
2995 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
2996
2997 r = bus_call_method(bus, bus_resolve_mgr, "RevertLink", &error, NULL, "i", arg_ifindex);
2998 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2999 sd_bus_error_free(&error);
3000
3001 r = bus_call_method(bus, bus_network_mgr, "RevertLinkDNS", &error, NULL, "i", arg_ifindex);
3002 }
3003 if (r < 0) {
3004 if (arg_ifindex_permissive &&
3005 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
3006 return 0;
3007
3008 return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
3009 }
3010
3011 return 0;
3012}
3013
3014static int verb_log_level(int argc, char *argv[], void *userdata) {
3015 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
3016 int r;
3017
3018 r = acquire_bus(&bus);
3019 if (r < 0)
3020 return r;
3021
3022 assert(IN_SET(argc, 1, 2));
3023
3024 return verb_log_control_common(bus, "org.freedesktop.resolve1", argv[0], argc == 2 ? argv[1] : NULL);
3025}
3026
3027static int print_question(char prefix, const char *color, sd_json_variant *question) {
3028 sd_json_variant *q = NULL;
3029 int r;
3030
3031 assert(color);
3032
3033 JSON_VARIANT_ARRAY_FOREACH(q, question) {
3034 _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;
3035 char buf[DNS_RESOURCE_KEY_STRING_MAX];
3036
3037 r = dns_resource_key_from_json(q, &key);
3038 if (r < 0) {
3039 log_warning_errno(r, "Received monitor message with invalid question key, ignoring: %m");
3040 continue;
3041 }
3042
3043 printf("%s%s %c%s: %s\n",
3044 color,
3045 glyph(GLYPH_ARROW_RIGHT),
3046 prefix,
3047 ansi_normal(),
3048 dns_resource_key_to_string(key, buf, sizeof(buf)));
3049 }
3050
3051 return 0;
3052}
3053
3054static int print_answer(sd_json_variant *answer) {
3055 sd_json_variant *a;
3056 int r;
3057
3058 JSON_VARIANT_ARRAY_FOREACH(a, answer) {
3059 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
3060 _cleanup_free_ void *d = NULL;
3061 sd_json_variant *jraw;
3062 const char *s;
3063 size_t l;
3064
3065 jraw = sd_json_variant_by_key(a, "raw");
3066 if (!jraw) {
3067 log_warning("Received monitor answer lacking valid raw data, ignoring.");
3068 continue;
3069 }
3070
3071 r = sd_json_variant_unbase64(jraw, &d, &l);
3072 if (r < 0) {
3073 log_warning_errno(r, "Failed to undo base64 encoding of monitor answer raw data, ignoring.");
3074 continue;
3075 }
3076
3077 r = dns_resource_record_new_from_raw(&rr, d, l);
3078 if (r < 0) {
3079 log_warning_errno(r, "Failed to parse monitor answer RR, ignoring: %m");
3080 continue;
3081 }
3082
3083 s = dns_resource_record_to_string(rr);
3084 if (!s)
3085 return log_oom();
3086
3087 printf("%s%s A%s: %s\n",
3088 ansi_highlight_yellow(),
3089 glyph(GLYPH_ARROW_LEFT),
3090 ansi_normal(),
3091 s);
3092 }
3093
3094 return 0;
3095}
3096
3097typedef struct MonitorQueryParams {
3098 sd_json_variant *question;
3099 sd_json_variant *answer;
3100 sd_json_variant *collected_questions;
3101 int rcode;
3102 int error;
3103 int ede_code;
3104 const char *state;
3105 const char *result;
3106 const char *ede_msg;
3107} MonitorQueryParams;
3108
3109static void monitor_query_params_done(MonitorQueryParams *p) {
3110 assert(p);
3111
3112 sd_json_variant_unref(p->question);
3113 sd_json_variant_unref(p->answer);
3114 sd_json_variant_unref(p->collected_questions);
3115}
3116
3117static void monitor_query_dump(sd_json_variant *v) {
3118 static const sd_json_dispatch_field dispatch_table[] = {
3119 { "question", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_variant, offsetof(MonitorQueryParams, question), SD_JSON_MANDATORY },
3120 { "answer", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_variant, offsetof(MonitorQueryParams, answer), 0 },
3121 { "collectedQuestions", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_variant, offsetof(MonitorQueryParams, collected_questions), 0 },
3122 { "state", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(MonitorQueryParams, state), SD_JSON_MANDATORY },
3123 { "result", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(MonitorQueryParams, result), 0 },
3124 { "rcode", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_int, offsetof(MonitorQueryParams, rcode), 0 },
3125 { "errno", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_int, offsetof(MonitorQueryParams, error), 0 },
3126 { "extendedDNSErrorCode", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_int, offsetof(MonitorQueryParams, ede_code), 0 },
3127 { "extendedDNSErrorMessage", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(MonitorQueryParams, ede_msg), 0 },
3128 {}
3129 };
3130
3131 _cleanup_(monitor_query_params_done) MonitorQueryParams p = {
3132 .rcode = -1,
3133 .ede_code = -1,
3134 };
3135
3136 assert(v);
3137
3138 if (sd_json_dispatch(v, dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &p) < 0)
3139 return;
3140
3141 /* First show the current question */
3142 print_question('Q', ansi_highlight_cyan(), p.question);
3143
3144 /* And then show the questions that led to this one in case this was a CNAME chain */
3145 print_question('C', ansi_highlight_grey(), p.collected_questions);
3146
3147 printf("%s%s S%s: %s",
3148 streq_ptr(p.state, "success") ? ansi_highlight_green() : ansi_highlight_red(),
3149 glyph(GLYPH_ARROW_LEFT),
3150 ansi_normal(),
3151 streq_ptr(p.state, "errno") ? ERRNO_NAME(p.error) :
3152 streq_ptr(p.state, "rcode-failure") ? strna(dns_rcode_to_string(p.rcode)) :
3153 strna(p.state));
3154
3155 if (!isempty(p.result))
3156 printf(": %s", p.result);
3157
3158 if (p.ede_code >= 0)
3159 printf(" (%s%s%s)",
3160 FORMAT_DNS_EDE_RCODE(p.ede_code),
3161 !isempty(p.ede_msg) ? ": " : "",
3162 strempty(p.ede_msg));
3163
3164 puts("");
3165
3166 print_answer(p.answer);
3167}
3168
3169static int monitor_reply(
3170 sd_varlink *link,
3171 sd_json_variant *parameters,
3172 const char *error_id,
3173 sd_varlink_reply_flags_t flags,
3174 void *userdata) {
3175
3176 assert(link);
3177
3178 if (error_id) {
3179 bool disconnect;
3180
3181 disconnect = streq(error_id, SD_VARLINK_ERROR_DISCONNECTED);
3182 if (disconnect)
3183 log_info("Disconnected.");
3184 else
3185 log_error("Varlink error: %s", error_id);
3186
3187 (void) sd_event_exit(ASSERT_PTR(sd_varlink_get_event(link)), disconnect ? EXIT_SUCCESS : EXIT_FAILURE);
3188 return 0;
3189 }
3190
3191 if (sd_json_variant_by_key(parameters, "ready")) {
3192 /* The first message coming in will just indicate that we are now subscribed. We let our
3193 * caller know if they asked for it. Once the caller sees this they should know that we are
3194 * not going to miss any queries anymore. */
3195 (void) sd_notify(/* unset_environment=false */ false, "READY=1");
3196 return 0;
3197 }
3198
3199 if (!sd_json_format_enabled(arg_json_format_flags)) {
3200 monitor_query_dump(parameters);
3201 printf("\n");
3202 } else
3203 sd_json_variant_dump(parameters, arg_json_format_flags, NULL, NULL);
3204
3205 fflush(stdout);
3206
3207 return 0;
3208}
3209
3210static int verb_monitor(int argc, char *argv[], void *userdata) {
3211 _cleanup_(sd_event_unrefp) sd_event *event = NULL;
3212 _cleanup_(sd_varlink_unrefp) sd_varlink *vl = NULL;
3213 int r, c;
3214
3215 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
3216
3217 r = sd_event_default(&event);
3218 if (r < 0)
3219 return log_error_errno(r, "Failed to get event loop: %m");
3220
3221 r = sd_event_set_signal_exit(event, true);
3222 if (r < 0)
3223 return log_error_errno(r, "Failed to enable exit on SIGINT/SIGTERM: %m");
3224
3225 r = sd_varlink_connect_address(&vl, "/run/systemd/resolve/io.systemd.Resolve.Monitor");
3226 if (r < 0)
3227 return log_error_errno(r, "Failed to connect to query monitoring service /run/systemd/resolve/io.systemd.Resolve.Monitor: %m");
3228
3229 r = sd_varlink_set_relative_timeout(vl, USEC_INFINITY); /* We want the monitor to run basically forever */
3230 if (r < 0)
3231 return log_error_errno(r, "Failed to set varlink timeout: %m");
3232
3233 r = sd_varlink_attach_event(vl, event, SD_EVENT_PRIORITY_NORMAL);
3234 if (r < 0)
3235 return log_error_errno(r, "Failed to attach varlink connection to event loop: %m");
3236
3237 r = sd_varlink_bind_reply(vl, monitor_reply);
3238 if (r < 0)
3239 return log_error_errno(r, "Failed to bind reply callback to varlink connection: %m");
3240
3241 r = sd_varlink_observebo(
3242 vl,
3243 "io.systemd.Resolve.Monitor.SubscribeQueryResults",
3244 SD_JSON_BUILD_PAIR_BOOLEAN("allowInteractiveAuthentication", arg_ask_password));
3245 if (r < 0)
3246 return log_error_errno(r, "Failed to issue SubscribeQueryResults() varlink call: %m");
3247
3248 r = sd_event_loop(event);
3249 if (r < 0)
3250 return log_error_errno(r, "Failed to run event loop: %m");
3251
3252 r = sd_event_get_exit_code(event, &c);
3253 if (r < 0)
3254 return log_error_errno(r, "Failed to get exit code: %m");
3255
3256 return c;
3257}
3258
3259static int dump_cache_item(sd_json_variant *item) {
3260
3261 struct item_info {
3262 sd_json_variant *key;
3263 sd_json_variant *rrs;
3264 const char *type;
3265 uint64_t until;
3266 } item_info = {};
3267
3268 static const sd_json_dispatch_field dispatch_table[] = {
3269 { "key", SD_JSON_VARIANT_OBJECT, sd_json_dispatch_variant_noref, offsetof(struct item_info, key), SD_JSON_MANDATORY },
3270 { "rrs", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_variant_noref, offsetof(struct item_info, rrs), 0 },
3271 { "type", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct item_info, type), 0 },
3272 { "until", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct item_info, until), 0 },
3273 {},
3274 };
3275
3276 _cleanup_(dns_resource_key_unrefp) DnsResourceKey *k = NULL;
3277 int r, c = 0;
3278
3279 r = sd_json_dispatch(item, dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &item_info);
3280 if (r < 0)
3281 return r;
3282
3283 r = dns_resource_key_from_json(item_info.key, &k);
3284 if (r < 0)
3285 return log_error_errno(r, "Failed to turn JSON data to resource key: %m");
3286
3287 if (item_info.type)
3288 printf("%s %s%s%s\n", DNS_RESOURCE_KEY_TO_STRING(k), ansi_highlight_red(), item_info.type, ansi_normal());
3289 else {
3290 sd_json_variant *i;
3291
3292 JSON_VARIANT_ARRAY_FOREACH(i, item_info.rrs) {
3293 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
3294 _cleanup_free_ void *data = NULL;
3295 sd_json_variant *raw;
3296 size_t size;
3297
3298 raw = sd_json_variant_by_key(i, "raw");
3299 if (!raw)
3300 return log_error_errno(SYNTHETIC_ERRNO(ENOTRECOVERABLE), "raw field missing from RR JSON data.");
3301
3302 r = sd_json_variant_unbase64(raw, &data, &size);
3303 if (r < 0)
3304 return log_error_errno(r, "Unable to decode raw RR JSON data: %m");
3305
3306 r = dns_resource_record_new_from_raw(&rr, data, size);
3307 if (r < 0)
3308 return log_error_errno(r, "Failed to parse DNS data: %m");
3309
3310 printf("%s\n", dns_resource_record_to_string(rr));
3311 c++;
3312 }
3313 }
3314
3315 return c;
3316}
3317
3318static int dump_cache_scope(sd_json_variant *scope) {
3319
3320 struct scope_info {
3321 const char *protocol;
3322 int family;
3323 int ifindex;
3324 const char *ifname;
3325 sd_json_variant *cache;
3326 const char *dnssec_mode;
3327 const char *dns_over_tls_mode;
3328 } scope_info = {
3329 .family = AF_UNSPEC,
3330 };
3331 sd_json_variant *i;
3332 int r, c = 0;
3333
3334 static const sd_json_dispatch_field dispatch_table[] = {
3335 { "protocol", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct scope_info, protocol), SD_JSON_MANDATORY },
3336 { "family", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_int, offsetof(struct scope_info, family), 0 },
3337 { "ifindex", _SD_JSON_VARIANT_TYPE_INVALID, json_dispatch_ifindex, offsetof(struct scope_info, ifindex), SD_JSON_RELAX },
3338 { "ifname", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct scope_info, ifname), 0 },
3339 { "cache", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_variant_noref, offsetof(struct scope_info, cache), SD_JSON_MANDATORY },
3340 { "dnssec", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct scope_info, dnssec_mode), 0 },
3341 { "dnsOverTLS", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct scope_info, dns_over_tls_mode), 0 },
3342 {},
3343 };
3344
3345 r = sd_json_dispatch(scope, dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &scope_info);
3346 if (r < 0)
3347 return r;
3348
3349 printf("%sScope protocol=%s", ansi_underline(), scope_info.protocol);
3350
3351 if (scope_info.family != AF_UNSPEC)
3352 printf(" family=%s", af_to_name(scope_info.family));
3353
3354 if (scope_info.ifindex > 0)
3355 printf(" ifindex=%i", scope_info.ifindex);
3356 if (scope_info.ifname)
3357 printf(" ifname=%s", scope_info.ifname);
3358
3359 if (dns_protocol_from_string(scope_info.protocol) == DNS_PROTOCOL_DNS) {
3360 if (scope_info.dnssec_mode)
3361 printf(" DNSSEC=%s", scope_info.dnssec_mode);
3362 if (scope_info.dns_over_tls_mode)
3363 printf(" DNSOverTLS=%s", scope_info.dns_over_tls_mode);
3364 }
3365
3366 printf("%s\n", ansi_normal());
3367
3368 JSON_VARIANT_ARRAY_FOREACH(i, scope_info.cache) {
3369 r = dump_cache_item(i);
3370 if (r < 0)
3371 return r;
3372
3373 c += r;
3374 }
3375
3376 if (c == 0)
3377 printf("%sNo entries.%s\n\n", ansi_grey(), ansi_normal());
3378 else
3379 printf("\n");
3380
3381 return 0;
3382}
3383
3384static int verb_show_cache(int argc, char *argv[], void *userdata) {
3385 sd_json_variant *reply = NULL, *d = NULL;
3386 _cleanup_(sd_varlink_unrefp) sd_varlink *vl = NULL;
3387 int r;
3388
3389 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
3390
3391 r = sd_varlink_connect_address(&vl, "/run/systemd/resolve/io.systemd.Resolve.Monitor");
3392 if (r < 0)
3393 return log_error_errno(r, "Failed to connect to query monitoring service /run/systemd/resolve/io.systemd.Resolve.Monitor: %m");
3394
3395 r = varlink_callbo_and_log(
3396 vl,
3397 "io.systemd.Resolve.Monitor.DumpCache",
3398 &reply,
3399 SD_JSON_BUILD_PAIR_BOOLEAN("allowInteractiveAuthentication", arg_ask_password));
3400 if (r < 0)
3401 return r;
3402
3403 d = sd_json_variant_by_key(reply, "dump");
3404 if (!d)
3405 return log_error_errno(SYNTHETIC_ERRNO(ENOTRECOVERABLE),
3406 "DumpCache() response is missing 'dump' key.");
3407
3408 if (!sd_json_variant_is_array(d))
3409 return log_error_errno(SYNTHETIC_ERRNO(ENOTRECOVERABLE),
3410 "DumpCache() response 'dump' field not an array");
3411
3412 if (!sd_json_format_enabled(arg_json_format_flags)) {
3413 sd_json_variant *i;
3414
3415 JSON_VARIANT_ARRAY_FOREACH(i, d) {
3416 r = dump_cache_scope(i);
3417 if (r < 0)
3418 return r;
3419 }
3420
3421 return 0;
3422 }
3423
3424 return sd_json_variant_dump(d, arg_json_format_flags, NULL, NULL);
3425}
3426
3427static int dump_server_state(sd_json_variant *server) {
3428 _cleanup_(table_unrefp) Table *table = NULL;
3429 TableCell *cell;
3430
3431 struct server_state {
3432 const char *server_name;
3433 const char *type;
3434 const char *ifname;
3435 int ifindex;
3436 const char *verified_feature_level;
3437 const char *possible_feature_level;
3438 const char *dnssec_mode;
3439 bool dnssec_supported;
3440 size_t received_udp_fragment_max;
3441 uint64_t n_failed_udp;
3442 uint64_t n_failed_tcp;
3443 bool packet_truncated;
3444 bool packet_bad_opt;
3445 bool packet_rrsig_missing;
3446 bool packet_invalid;
3447 bool packet_do_off;
3448 } server_state = {
3449 .ifindex = -1,
3450 };
3451
3452 int r;
3453
3454 static const sd_json_dispatch_field dispatch_table[] = {
3455 { "Server", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct server_state, server_name), SD_JSON_MANDATORY },
3456 { "Type", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct server_state, type), SD_JSON_MANDATORY },
3457 { "Interface", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct server_state, ifname), 0 },
3458 { "InterfaceIndex", _SD_JSON_VARIANT_TYPE_INVALID, json_dispatch_ifindex, offsetof(struct server_state, ifindex), SD_JSON_RELAX },
3459 { "VerifiedFeatureLevel", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct server_state, verified_feature_level), 0 },
3460 { "PossibleFeatureLevel", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct server_state, possible_feature_level), 0 },
3461 { "DNSSECMode", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct server_state, dnssec_mode), SD_JSON_MANDATORY },
3462 { "DNSSECSupported", SD_JSON_VARIANT_BOOLEAN, sd_json_dispatch_stdbool, offsetof(struct server_state, dnssec_supported), SD_JSON_MANDATORY },
3463 { "ReceivedUDPFragmentMax", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct server_state, received_udp_fragment_max), SD_JSON_MANDATORY },
3464 { "FailedUDPAttempts", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct server_state, n_failed_udp), SD_JSON_MANDATORY },
3465 { "FailedTCPAttempts", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct server_state, n_failed_tcp), SD_JSON_MANDATORY },
3466 { "PacketTruncated", SD_JSON_VARIANT_BOOLEAN, sd_json_dispatch_stdbool, offsetof(struct server_state, packet_truncated), SD_JSON_MANDATORY },
3467 { "PacketBadOpt", SD_JSON_VARIANT_BOOLEAN, sd_json_dispatch_stdbool, offsetof(struct server_state, packet_bad_opt), SD_JSON_MANDATORY },
3468 { "PacketRRSIGMissing", SD_JSON_VARIANT_BOOLEAN, sd_json_dispatch_stdbool, offsetof(struct server_state, packet_rrsig_missing), SD_JSON_MANDATORY },
3469 { "PacketInvalid", SD_JSON_VARIANT_BOOLEAN, sd_json_dispatch_stdbool, offsetof(struct server_state, packet_invalid), SD_JSON_MANDATORY },
3470 { "PacketDoOff", SD_JSON_VARIANT_BOOLEAN, sd_json_dispatch_stdbool, offsetof(struct server_state, packet_do_off), SD_JSON_MANDATORY },
3471 {},
3472 };
3473
3474 r = sd_json_dispatch(server, dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &server_state);
3475 if (r < 0)
3476 return r;
3477
3478 table = table_new_vertical();
3479 if (!table)
3480 return log_oom();
3481
3482 assert_se(cell = table_get_cell(table, 0, 0));
3483 (void) table_set_ellipsize_percent(table, cell, 100);
3484 (void) table_set_align_percent(table, cell, 0);
3485
3486 r = table_add_cell_stringf(table, NULL, "Server: %s", server_state.server_name);
3487 if (r < 0)
3488 return table_log_add_error(r);
3489
3490 r = table_add_many(table,
3491 TABLE_EMPTY,
3492 TABLE_FIELD, "Type",
3493 TABLE_SET_ALIGN_PERCENT, 100,
3494 TABLE_STRING, server_state.type);
3495 if (r < 0)
3496 return table_log_add_error(r);
3497
3498 if (server_state.ifname) {
3499 r = table_add_many(table,
3500 TABLE_FIELD, "Interface",
3501 TABLE_STRING, server_state.ifname);
3502 if (r < 0)
3503 return table_log_add_error(r);
3504 }
3505
3506 if (server_state.ifindex >= 0) {
3507 r = table_add_many(table,
3508 TABLE_FIELD, "Interface Index",
3509 TABLE_INT, server_state.ifindex);
3510 if (r < 0)
3511 return table_log_add_error(r);
3512 }
3513
3514 if (server_state.verified_feature_level) {
3515 r = table_add_many(table,
3516 TABLE_FIELD, "Verified feature level",
3517 TABLE_STRING, server_state.verified_feature_level);
3518 if (r < 0)
3519 return table_log_add_error(r);
3520 }
3521
3522 if (server_state.possible_feature_level) {
3523 r = table_add_many(table,
3524 TABLE_FIELD, "Possible feature level",
3525 TABLE_STRING, server_state.possible_feature_level);
3526 if (r < 0)
3527 return table_log_add_error(r);
3528 }
3529
3530 r = table_add_many(table,
3531 TABLE_FIELD, "DNSSEC Mode",
3532 TABLE_STRING, server_state.dnssec_mode,
3533 TABLE_FIELD, "DNSSEC Supported",
3534 TABLE_STRING, yes_no(server_state.dnssec_supported),
3535 TABLE_FIELD, "Maximum UDP fragment size received",
3536 TABLE_UINT64, server_state.received_udp_fragment_max,
3537 TABLE_FIELD, "Failed UDP attempts",
3538 TABLE_UINT64, server_state.n_failed_udp,
3539 TABLE_FIELD, "Failed TCP attempts",
3540 TABLE_UINT64, server_state.n_failed_tcp,
3541 TABLE_FIELD, "Seen truncated packet",
3542 TABLE_STRING, yes_no(server_state.packet_truncated),
3543 TABLE_FIELD, "Seen OPT RR getting lost",
3544 TABLE_STRING, yes_no(server_state.packet_bad_opt),
3545 TABLE_FIELD, "Seen RRSIG RR missing",
3546 TABLE_STRING, yes_no(server_state.packet_rrsig_missing),
3547 TABLE_FIELD, "Seen invalid packet",
3548 TABLE_STRING, yes_no(server_state.packet_invalid),
3549 TABLE_FIELD, "Server dropped DO flag",
3550 TABLE_STRING, yes_no(server_state.packet_do_off),
3551 TABLE_SET_ALIGN_PERCENT, 0,
3552 TABLE_EMPTY, TABLE_EMPTY);
3553
3554 if (r < 0)
3555 return table_log_add_error(r);
3556
3557 r = table_print(table, NULL);
3558 if (r < 0)
3559 return table_log_print_error(r);
3560
3561 return 0;
3562}
3563
3564static int verb_show_server_state(int argc, char *argv[], void *userdata) {
3565 sd_json_variant *reply = NULL, *d = NULL;
3566 _cleanup_(sd_varlink_unrefp) sd_varlink *vl = NULL;
3567 int r;
3568
3569 (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password);
3570
3571 r = sd_varlink_connect_address(&vl, "/run/systemd/resolve/io.systemd.Resolve.Monitor");
3572 if (r < 0)
3573 return log_error_errno(r, "Failed to connect to query monitoring service /run/systemd/resolve/io.systemd.Resolve.Monitor: %m");
3574
3575 r = varlink_callbo_and_log(
3576 vl,
3577 "io.systemd.Resolve.Monitor.DumpServerState",
3578 &reply,
3579 SD_JSON_BUILD_PAIR_BOOLEAN("allowInteractiveAuthentication", arg_ask_password));
3580 if (r < 0)
3581 return r;
3582
3583 d = sd_json_variant_by_key(reply, "dump");
3584 if (!d)
3585 return log_error_errno(SYNTHETIC_ERRNO(ENOTRECOVERABLE),
3586 "DumpCache() response is missing 'dump' key.");
3587
3588 if (!sd_json_variant_is_array(d))
3589 return log_error_errno(SYNTHETIC_ERRNO(ENOTRECOVERABLE),
3590 "DumpCache() response 'dump' field not an array");
3591
3592 if (!sd_json_format_enabled(arg_json_format_flags)) {
3593 sd_json_variant *i;
3594
3595 JSON_VARIANT_ARRAY_FOREACH(i, d) {
3596 r = dump_server_state(i);
3597 if (r < 0)
3598 return r;
3599 }
3600
3601 return 0;
3602 }
3603
3604 return sd_json_variant_dump(d, arg_json_format_flags, NULL, NULL);
3605}
3606
3607static void help_protocol_types(void) {
3608 if (arg_legend)
3609 puts("Known protocol types:");
3610 puts("dns\n"
3611 "llmnr\n"
3612 "llmnr-ipv4\n"
3613 "llmnr-ipv6\n"
3614 "mdns\n"
3615 "mdns-ipv4\n"
3616 "mdns-ipv6");
3617}
3618
3619static void help_dns_types(void) {
3620 if (arg_legend)
3621 puts("Known DNS RR types:");
3622
3623 DUMP_STRING_TABLE(dns_type, int, _DNS_TYPE_MAX);
3624}
3625
3626static void help_dns_classes(void) {
3627 if (arg_legend)
3628 puts("Known DNS RR classes:");
3629
3630 DUMP_STRING_TABLE(dns_class, int, _DNS_CLASS_MAX);
3631}
3632
3633static int compat_help(void) {
3634 _cleanup_free_ char *link = NULL;
3635 int r;
3636
3637 r = terminal_urlify_man("resolvectl", "1", &link);
3638 if (r < 0)
3639 return log_oom();
3640
3641 pager_open(arg_pager_flags);
3642
3643 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
3644 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
3645 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
3646 "%1$s [OPTIONS...] --statistics\n"
3647 "%1$s [OPTIONS...] --reset-statistics\n"
3648 "\n"
3649 "%2$sResolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%3$s\n\n"
3650 " -h --help Show this help\n"
3651 " --version Show package version\n"
3652 " --no-pager Do not pipe output into a pager\n"
3653 " -4 Resolve IPv4 addresses\n"
3654 " -6 Resolve IPv6 addresses\n"
3655 " -i --interface=INTERFACE Look on interface\n"
3656 " -p --protocol=PROTO|help Look via protocol\n"
3657 " -t --type=TYPE|help Query RR with DNS type\n"
3658 " -c --class=CLASS|help Query RR with DNS class\n"
3659 " --service Resolve service (SRV)\n"
3660 " --service-address=BOOL Resolve address for services (default: yes)\n"
3661 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
3662 " --openpgp Query OpenPGP public key\n"
3663 " --tlsa Query TLS public key\n"
3664 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
3665 " --search=BOOL Use search domains for single-label names\n"
3666 " (default: yes)\n"
3667 " --raw[=payload|packet] Dump the answer as binary data\n"
3668 " --legend=BOOL Print headers and additional info (default: yes)\n"
3669 " --statistics Show resolver statistics\n"
3670 " --reset-statistics Reset resolver statistics\n"
3671 " --status Show link and server status\n"
3672 " --flush-caches Flush all local DNS caches\n"
3673 " --reset-server-features\n"
3674 " Forget learnt DNS server feature levels\n"
3675 " --set-dns=SERVER Set per-interface DNS server address\n"
3676 " --set-domain=DOMAIN Set per-interface search domain\n"
3677 " --set-llmnr=MODE Set per-interface LLMNR mode\n"
3678 " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
3679 " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
3680 " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
3681 " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
3682 " --revert Revert per-interface configuration\n"
3683 "\nSee the %4$s for details.\n",
3684 program_invocation_short_name,
3685 ansi_highlight(),
3686 ansi_normal(),
3687 link);
3688
3689 return 0;
3690}
3691
3692static int native_help(void) {
3693 _cleanup_free_ char *link = NULL;
3694 int r;
3695
3696 r = terminal_urlify_man("resolvectl", "1", &link);
3697 if (r < 0)
3698 return log_oom();
3699
3700 pager_open(arg_pager_flags);
3701
3702 printf("%1$s [OPTIONS...] COMMAND ...\n"
3703 "\n"
3704 "%5$sSend control commands to the network name resolution manager, or%6$s\n"
3705 "%5$sresolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%6$s\n"
3706 "\n%3$sCommands:%4$s\n"
3707 " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
3708 " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
3709 " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
3710 " tlsa DOMAIN[:PORT]... Query TLS public key\n"
3711 " status [LINK...] Show link and server status\n"
3712 " statistics Show resolver statistics\n"
3713 " reset-statistics Reset resolver statistics\n"
3714 " flush-caches Flush all local DNS caches\n"
3715 " reset-server-features Forget learnt DNS server feature levels\n"
3716 " monitor Monitor DNS queries\n"
3717 " show-cache Show cache contents\n"
3718 " show-server-state Show servers state\n"
3719 " dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
3720 " domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
3721 " default-route [LINK [BOOL]] Get/set per-interface default route flag\n"
3722 " llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
3723 " mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
3724 " dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
3725 " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
3726 " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
3727 " revert LINK Revert per-interface configuration\n"
3728 " log-level [LEVEL] Get/set logging threshold for systemd-resolved\n"
3729 "\n%3$sOptions:%4$s\n"
3730 " -h --help Show this help\n"
3731 " --version Show package version\n"
3732 " --no-pager Do not pipe output into a pager\n"
3733 " --no-ask-password Do not prompt for password\n"
3734 " -4 Resolve IPv4 addresses\n"
3735 " -6 Resolve IPv6 addresses\n"
3736 " -i --interface=INTERFACE Look on interface\n"
3737 " -p --protocol=PROTO|help Look via protocol\n"
3738 " -t --type=TYPE|help Query RR with DNS type\n"
3739 " -c --class=CLASS|help Query RR with DNS class\n"
3740 " --service-address=BOOL Resolve address for services (default: yes)\n"
3741 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
3742 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
3743 " --validate=BOOL Allow DNSSEC validation (default: yes)\n"
3744 " --synthesize=BOOL Allow synthetic response (default: yes)\n"
3745 " --cache=BOOL Allow response from cache (default: yes)\n"
3746 " --stale-data=BOOL Allow response from cache with stale data (default: yes)\n"
3747 " --relax-single-label=BOOL Allow single label lookups to go upstream (default: no)\n"
3748 " --zone=BOOL Allow response from locally registered mDNS/LLMNR\n"
3749 " records (default: yes)\n"
3750 " --trust-anchor=BOOL Allow response from local trust anchor (default:\n"
3751 " yes)\n"
3752 " --network=BOOL Allow response from network (default: yes)\n"
3753 " --search=BOOL Use search domains for single-label names (default:\n"
3754 " yes)\n"
3755 " --raw[=payload|packet] Dump the answer as binary data\n"
3756 " --legend=BOOL Print headers and additional info (default: yes)\n"
3757 " --json=MODE Output as JSON\n"
3758 " -j Same as --json=pretty on tty, --json=short\n"
3759 " otherwise\n"
3760 "\nSee the %2$s for details.\n",
3761 program_invocation_short_name,
3762 link,
3763 ansi_underline(),
3764 ansi_normal(),
3765 ansi_highlight(),
3766 ansi_normal());
3767
3768 return 0;
3769}
3770
3771static int verb_help(int argc, char **argv, void *userdata) {
3772 return native_help();
3773}
3774
3775static int compat_parse_argv(int argc, char *argv[]) {
3776 enum {
3777 ARG_VERSION = 0x100,
3778 ARG_LEGEND,
3779 ARG_SERVICE,
3780 ARG_CNAME,
3781 ARG_SERVICE_ADDRESS,
3782 ARG_SERVICE_TXT,
3783 ARG_OPENPGP,
3784 ARG_TLSA,
3785 ARG_RAW,
3786 ARG_SEARCH,
3787 ARG_STATISTICS,
3788 ARG_RESET_STATISTICS,
3789 ARG_STATUS,
3790 ARG_FLUSH_CACHES,
3791 ARG_RESET_SERVER_FEATURES,
3792 ARG_NO_PAGER,
3793 ARG_SET_DNS,
3794 ARG_SET_DOMAIN,
3795 ARG_SET_LLMNR,
3796 ARG_SET_MDNS,
3797 ARG_SET_DNS_OVER_TLS,
3798 ARG_SET_DNSSEC,
3799 ARG_SET_NTA,
3800 ARG_REVERT_LINK,
3801 };
3802
3803 static const struct option options[] = {
3804 { "help", no_argument, NULL, 'h' },
3805 { "version", no_argument, NULL, ARG_VERSION },
3806 { "type", required_argument, NULL, 't' },
3807 { "class", required_argument, NULL, 'c' },
3808 { "legend", required_argument, NULL, ARG_LEGEND },
3809 { "interface", required_argument, NULL, 'i' },
3810 { "protocol", required_argument, NULL, 'p' },
3811 { "cname", required_argument, NULL, ARG_CNAME },
3812 { "service", no_argument, NULL, ARG_SERVICE },
3813 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
3814 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
3815 { "openpgp", no_argument, NULL, ARG_OPENPGP },
3816 { "tlsa", optional_argument, NULL, ARG_TLSA },
3817 { "raw", optional_argument, NULL, ARG_RAW },
3818 { "search", required_argument, NULL, ARG_SEARCH },
3819 { "statistics", no_argument, NULL, ARG_STATISTICS, },
3820 { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
3821 { "status", no_argument, NULL, ARG_STATUS },
3822 { "flush-caches", no_argument, NULL, ARG_FLUSH_CACHES },
3823 { "reset-server-features", no_argument, NULL, ARG_RESET_SERVER_FEATURES },
3824 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
3825 { "set-dns", required_argument, NULL, ARG_SET_DNS },
3826 { "set-domain", required_argument, NULL, ARG_SET_DOMAIN },
3827 { "set-llmnr", required_argument, NULL, ARG_SET_LLMNR },
3828 { "set-mdns", required_argument, NULL, ARG_SET_MDNS },
3829 { "set-dnsovertls", required_argument, NULL, ARG_SET_DNS_OVER_TLS },
3830 { "set-dnssec", required_argument, NULL, ARG_SET_DNSSEC },
3831 { "set-nta", required_argument, NULL, ARG_SET_NTA },
3832 { "revert", no_argument, NULL, ARG_REVERT_LINK },
3833 {}
3834 };
3835
3836 int c, r;
3837
3838 assert(argc >= 0);
3839 assert(argv);
3840
3841 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
3842 switch (c) {
3843
3844 case 'h':
3845 return compat_help();
3846
3847 case ARG_VERSION:
3848 return version();
3849
3850 case '4':
3851 arg_family = AF_INET;
3852 break;
3853
3854 case '6':
3855 arg_family = AF_INET6;
3856 break;
3857
3858 case 'i':
3859 r = ifname_mangle(optarg);
3860 if (r < 0)
3861 return r;
3862 break;
3863
3864 case 't':
3865 if (streq(optarg, "help")) {
3866 help_dns_types();
3867 return 0;
3868 }
3869
3870 r = dns_type_from_string(optarg);
3871 if (r < 0)
3872 return log_error_errno(r, "Failed to parse RR record type %s: %m", optarg);
3873
3874 arg_type = (uint16_t) r;
3875 assert((int) arg_type == r);
3876
3877 arg_mode = MODE_RESOLVE_RECORD;
3878 break;
3879
3880 case 'c':
3881 if (streq(optarg, "help")) {
3882 help_dns_classes();
3883 return 0;
3884 }
3885
3886 r = dns_class_from_string(optarg);
3887 if (r < 0)
3888 return log_error_errno(r, "Failed to parse RR record class %s: %m", optarg);
3889
3890 arg_class = (uint16_t) r;
3891 assert((int) arg_class == r);
3892
3893 break;
3894
3895 case ARG_LEGEND:
3896 r = parse_boolean_argument("--legend=", optarg, &arg_legend);
3897 if (r < 0)
3898 return r;
3899 break;
3900
3901 case 'p':
3902 if (streq(optarg, "help")) {
3903 help_protocol_types();
3904 return 0;
3905 } else if (streq(optarg, "dns"))
3906 arg_flags |= SD_RESOLVED_DNS;
3907 else if (streq(optarg, "llmnr"))
3908 arg_flags |= SD_RESOLVED_LLMNR;
3909 else if (streq(optarg, "llmnr-ipv4"))
3910 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
3911 else if (streq(optarg, "llmnr-ipv6"))
3912 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
3913 else if (streq(optarg, "mdns"))
3914 arg_flags |= SD_RESOLVED_MDNS;
3915 else if (streq(optarg, "mdns-ipv4"))
3916 arg_flags |= SD_RESOLVED_MDNS_IPV4;
3917 else if (streq(optarg, "mdns-ipv6"))
3918 arg_flags |= SD_RESOLVED_MDNS_IPV6;
3919 else
3920 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3921 "Unknown protocol specifier: %s", optarg);
3922
3923 break;
3924
3925 case ARG_SERVICE:
3926 arg_mode = MODE_RESOLVE_SERVICE;
3927 break;
3928
3929 case ARG_OPENPGP:
3930 arg_mode = MODE_RESOLVE_OPENPGP;
3931 break;
3932
3933 case ARG_TLSA:
3934 arg_mode = MODE_RESOLVE_TLSA;
3935 if (!optarg || service_family_is_valid(optarg))
3936 arg_service_family = optarg;
3937 else
3938 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3939 "Unknown service family \"%s\".", optarg);
3940 break;
3941
3942 case ARG_RAW:
3943 if (on_tty())
3944 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
3945 "Refusing to write binary data to tty.");
3946
3947 if (optarg == NULL || streq(optarg, "payload"))
3948 arg_raw = RAW_PAYLOAD;
3949 else if (streq(optarg, "packet"))
3950 arg_raw = RAW_PACKET;
3951 else
3952 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3953 "Unknown --raw specifier \"%s\".",
3954 optarg);
3955
3956 arg_legend = false;
3957 break;
3958
3959 case ARG_CNAME:
3960 r = parse_boolean_argument("--cname=", optarg, NULL);
3961 if (r < 0)
3962 return r;
3963 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
3964 break;
3965
3966 case ARG_SERVICE_ADDRESS:
3967 r = parse_boolean_argument("--service-address=", optarg, NULL);
3968 if (r < 0)
3969 return r;
3970 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
3971 break;
3972
3973 case ARG_SERVICE_TXT:
3974 r = parse_boolean_argument("--service-txt=", optarg, NULL);
3975 if (r < 0)
3976 return r;
3977 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
3978 break;
3979
3980 case ARG_SEARCH:
3981 r = parse_boolean_argument("--search=", optarg, NULL);
3982 if (r < 0)
3983 return r;
3984 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
3985 break;
3986
3987 case ARG_STATISTICS:
3988 arg_mode = MODE_STATISTICS;
3989 break;
3990
3991 case ARG_RESET_STATISTICS:
3992 arg_mode = MODE_RESET_STATISTICS;
3993 break;
3994
3995 case ARG_FLUSH_CACHES:
3996 arg_mode = MODE_FLUSH_CACHES;
3997 break;
3998
3999 case ARG_RESET_SERVER_FEATURES:
4000 arg_mode = MODE_RESET_SERVER_FEATURES;
4001 break;
4002
4003 case ARG_STATUS:
4004 arg_mode = MODE_STATUS;
4005 break;
4006
4007 case ARG_NO_PAGER:
4008 arg_pager_flags |= PAGER_DISABLE;
4009 break;
4010
4011 case ARG_SET_DNS:
4012 r = strv_extend(&arg_set_dns, optarg);
4013 if (r < 0)
4014 return log_oom();
4015
4016 arg_mode = MODE_SET_LINK;
4017 break;
4018
4019 case ARG_SET_DOMAIN:
4020 r = strv_extend(&arg_set_domain, optarg);
4021 if (r < 0)
4022 return log_oom();
4023
4024 arg_mode = MODE_SET_LINK;
4025 break;
4026
4027 case ARG_SET_LLMNR:
4028 arg_set_llmnr = optarg;
4029 arg_mode = MODE_SET_LINK;
4030 break;
4031
4032 case ARG_SET_MDNS:
4033 arg_set_mdns = optarg;
4034 arg_mode = MODE_SET_LINK;
4035 break;
4036
4037 case ARG_SET_DNS_OVER_TLS:
4038 arg_set_dns_over_tls = optarg;
4039 arg_mode = MODE_SET_LINK;
4040 break;
4041
4042 case ARG_SET_DNSSEC:
4043 arg_set_dnssec = optarg;
4044 arg_mode = MODE_SET_LINK;
4045 break;
4046
4047 case ARG_SET_NTA:
4048 r = strv_extend(&arg_set_nta, optarg);
4049 if (r < 0)
4050 return log_oom();
4051
4052 arg_mode = MODE_SET_LINK;
4053 break;
4054
4055 case ARG_REVERT_LINK:
4056 arg_mode = MODE_REVERT_LINK;
4057 break;
4058
4059 case '?':
4060 return -EINVAL;
4061
4062 default:
4063 assert_not_reached();
4064 }
4065
4066 if (arg_type == 0 && arg_class != 0)
4067 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
4068 "--class= may only be used in conjunction with --type=.");
4069
4070 if (arg_type != 0 && arg_mode == MODE_RESOLVE_SERVICE)
4071 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
4072 "--service and --type= may not be combined.");
4073
4074 if (arg_type != 0 && arg_class == 0)
4075 arg_class = DNS_CLASS_IN;
4076
4077 if (arg_class != 0 && arg_type == 0)
4078 arg_type = DNS_TYPE_A;
4079
4080 if (IN_SET(arg_mode, MODE_SET_LINK, MODE_REVERT_LINK)) {
4081
4082 if (arg_ifindex <= 0)
4083 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
4084 "--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
4085 }
4086
4087 return 1 /* work to do */;
4088}
4089
4090static int native_parse_argv(int argc, char *argv[]) {
4091 enum {
4092 ARG_VERSION = 0x100,
4093 ARG_LEGEND,
4094 ARG_CNAME,
4095 ARG_VALIDATE,
4096 ARG_SYNTHESIZE,
4097 ARG_CACHE,
4098 ARG_ZONE,
4099 ARG_TRUST_ANCHOR,
4100 ARG_NETWORK,
4101 ARG_SERVICE_ADDRESS,
4102 ARG_SERVICE_TXT,
4103 ARG_RAW,
4104 ARG_SEARCH,
4105 ARG_NO_PAGER,
4106 ARG_NO_ASK_PASSWORD,
4107 ARG_JSON,
4108 ARG_STALE_DATA,
4109 ARG_RELAX_SINGLE_LABEL,
4110 };
4111
4112 static const struct option options[] = {
4113 { "help", no_argument, NULL, 'h' },
4114 { "version", no_argument, NULL, ARG_VERSION },
4115 { "type", required_argument, NULL, 't' },
4116 { "class", required_argument, NULL, 'c' },
4117 { "legend", required_argument, NULL, ARG_LEGEND },
4118 { "interface", required_argument, NULL, 'i' },
4119 { "protocol", required_argument, NULL, 'p' },
4120 { "cname", required_argument, NULL, ARG_CNAME },
4121 { "validate", required_argument, NULL, ARG_VALIDATE },
4122 { "synthesize", required_argument, NULL, ARG_SYNTHESIZE },
4123 { "cache", required_argument, NULL, ARG_CACHE },
4124 { "zone", required_argument, NULL, ARG_ZONE },
4125 { "trust-anchor", required_argument, NULL, ARG_TRUST_ANCHOR },
4126 { "network", required_argument, NULL, ARG_NETWORK },
4127 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
4128 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
4129 { "raw", optional_argument, NULL, ARG_RAW },
4130 { "search", required_argument, NULL, ARG_SEARCH },
4131 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
4132 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
4133 { "json", required_argument, NULL, ARG_JSON },
4134 { "stale-data", required_argument, NULL, ARG_STALE_DATA },
4135 { "relax-single-label", required_argument, NULL, ARG_RELAX_SINGLE_LABEL },
4136 {}
4137 };
4138
4139 int c, r;
4140
4141 assert(argc >= 0);
4142 assert(argv);
4143
4144 while ((c = getopt_long(argc, argv, "h46i:t:c:p:j", options, NULL)) >= 0)
4145 switch (c) {
4146
4147 case 'h':
4148 return native_help();
4149
4150 case ARG_VERSION:
4151 return version();
4152
4153 case '4':
4154 arg_family = AF_INET;
4155 break;
4156
4157 case '6':
4158 arg_family = AF_INET6;
4159 break;
4160
4161 case 'i':
4162 r = ifname_mangle(optarg);
4163 if (r < 0)
4164 return r;
4165 break;
4166
4167 case 't':
4168 if (streq(optarg, "help")) {
4169 help_dns_types();
4170 return 0;
4171 }
4172
4173 r = dns_type_from_string(optarg);
4174 if (r < 0)
4175 return log_error_errno(r, "Failed to parse RR record type %s: %m", optarg);
4176
4177 arg_type = (uint16_t) r;
4178 assert((int) arg_type == r);
4179
4180 break;
4181
4182 case 'c':
4183 if (streq(optarg, "help")) {
4184 help_dns_classes();
4185 return 0;
4186 }
4187
4188 r = dns_class_from_string(optarg);
4189 if (r < 0)
4190 return log_error_errno(r, "Failed to parse RR record class %s: %m", optarg);
4191
4192 arg_class = (uint16_t) r;
4193 assert((int) arg_class == r);
4194
4195 break;
4196
4197 case ARG_LEGEND:
4198 r = parse_boolean_argument("--legend=", optarg, &arg_legend);
4199 if (r < 0)
4200 return r;
4201 break;
4202
4203 case 'p':
4204 if (streq(optarg, "help")) {
4205 help_protocol_types();
4206 return 0;
4207 } else if (streq(optarg, "dns"))
4208 arg_flags |= SD_RESOLVED_DNS;
4209 else if (streq(optarg, "llmnr"))
4210 arg_flags |= SD_RESOLVED_LLMNR;
4211 else if (streq(optarg, "llmnr-ipv4"))
4212 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
4213 else if (streq(optarg, "llmnr-ipv6"))
4214 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
4215 else if (streq(optarg, "mdns"))
4216 arg_flags |= SD_RESOLVED_MDNS;
4217 else if (streq(optarg, "mdns-ipv4"))
4218 arg_flags |= SD_RESOLVED_MDNS_IPV4;
4219 else if (streq(optarg, "mdns-ipv6"))
4220 arg_flags |= SD_RESOLVED_MDNS_IPV6;
4221 else
4222 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
4223 "Unknown protocol specifier: %s",
4224 optarg);
4225
4226 break;
4227
4228 case ARG_RAW:
4229 if (on_tty())
4230 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
4231 "Refusing to write binary data to tty.");
4232
4233 if (optarg == NULL || streq(optarg, "payload"))
4234 arg_raw = RAW_PAYLOAD;
4235 else if (streq(optarg, "packet"))
4236 arg_raw = RAW_PACKET;
4237 else
4238 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
4239 "Unknown --raw specifier \"%s\".",
4240 optarg);
4241
4242 arg_legend = false;
4243 break;
4244
4245 case ARG_CNAME:
4246 r = parse_boolean_argument("--cname=", optarg, NULL);
4247 if (r < 0)
4248 return r;
4249 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
4250 break;
4251
4252 case ARG_VALIDATE:
4253 r = parse_boolean_argument("--validate=", optarg, NULL);
4254 if (r < 0)
4255 return r;
4256 SET_FLAG(arg_flags, SD_RESOLVED_NO_VALIDATE, r == 0);
4257 break;
4258
4259 case ARG_SYNTHESIZE:
4260 r = parse_boolean_argument("--synthesize=", optarg, NULL);
4261 if (r < 0)
4262 return r;
4263 SET_FLAG(arg_flags, SD_RESOLVED_NO_SYNTHESIZE, r == 0);
4264 break;
4265
4266 case ARG_CACHE:
4267 r = parse_boolean_argument("--cache=", optarg, NULL);
4268 if (r < 0)
4269 return r;
4270 SET_FLAG(arg_flags, SD_RESOLVED_NO_CACHE, r == 0);
4271 break;
4272
4273 case ARG_STALE_DATA:
4274 r = parse_boolean_argument("--stale-data=", optarg, NULL);
4275 if (r < 0)
4276 return r;
4277 SET_FLAG(arg_flags, SD_RESOLVED_NO_STALE, r == 0);
4278 break;
4279
4280 case ARG_ZONE:
4281 r = parse_boolean_argument("--zone=", optarg, NULL);
4282 if (r < 0)
4283 return r;
4284 SET_FLAG(arg_flags, SD_RESOLVED_NO_ZONE, r == 0);
4285 break;
4286
4287 case ARG_TRUST_ANCHOR:
4288 r = parse_boolean_argument("--trust-anchor=", optarg, NULL);
4289 if (r < 0)
4290 return r;
4291 SET_FLAG(arg_flags, SD_RESOLVED_NO_TRUST_ANCHOR, r == 0);
4292 break;
4293
4294 case ARG_NETWORK:
4295 r = parse_boolean_argument("--network=", optarg, NULL);
4296 if (r < 0)
4297 return r;
4298 SET_FLAG(arg_flags, SD_RESOLVED_NO_NETWORK, r == 0);
4299 break;
4300
4301 case ARG_SERVICE_ADDRESS:
4302 r = parse_boolean_argument("--service-address=", optarg, NULL);
4303 if (r < 0)
4304 return r;
4305 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
4306 break;
4307
4308 case ARG_SERVICE_TXT:
4309 r = parse_boolean_argument("--service-txt=", optarg, NULL);
4310 if (r < 0)
4311 return r;
4312 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
4313 break;
4314
4315 case ARG_SEARCH:
4316 r = parse_boolean_argument("--search=", optarg, NULL);
4317 if (r < 0)
4318 return r;
4319 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
4320 break;
4321
4322 case ARG_RELAX_SINGLE_LABEL:
4323 r = parse_boolean_argument("--relax-single-label=", optarg, NULL);
4324 if (r < 0)
4325 return r;
4326 SET_FLAG(arg_flags, SD_RESOLVED_RELAX_SINGLE_LABEL, r > 0);
4327 break;
4328
4329 case ARG_NO_PAGER:
4330 arg_pager_flags |= PAGER_DISABLE;
4331 break;
4332
4333 case ARG_NO_ASK_PASSWORD:
4334 arg_ask_password = false;
4335 break;
4336
4337 case ARG_JSON:
4338 r = parse_json_argument(optarg, &arg_json_format_flags);
4339 if (r <= 0)
4340 return r;
4341
4342 break;
4343
4344 case 'j':
4345 arg_json_format_flags = SD_JSON_FORMAT_PRETTY_AUTO|SD_JSON_FORMAT_COLOR_AUTO;
4346 break;
4347
4348 case '?':
4349 return -EINVAL;
4350
4351 default:
4352 assert_not_reached();
4353 }
4354
4355 if (arg_type == 0 && arg_class != 0)
4356 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
4357 "--class= may only be used in conjunction with --type=.");
4358
4359 if (arg_type != 0 && arg_class == 0)
4360 arg_class = DNS_CLASS_IN;
4361
4362 if (arg_class != 0 && arg_type == 0)
4363 arg_type = DNS_TYPE_A;
4364
4365 return 1 /* work to do */;
4366}
4367
4368static int native_main(int argc, char *argv[]) {
4369
4370 static const Verb verbs[] = {
4371 { "help", VERB_ANY, VERB_ANY, 0, verb_help },
4372 { "status", VERB_ANY, VERB_ANY, VERB_DEFAULT, verb_status },
4373 { "query", 2, VERB_ANY, 0, verb_query },
4374 { "service", 2, 4, 0, verb_service },
4375 { "openpgp", 2, VERB_ANY, 0, verb_openpgp },
4376 { "tlsa", 2, VERB_ANY, 0, verb_tlsa },
4377 { "statistics", VERB_ANY, 1, 0, show_statistics },
4378 { "reset-statistics", VERB_ANY, 1, 0, reset_statistics },
4379 { "flush-caches", VERB_ANY, 1, 0, flush_caches },
4380 { "reset-server-features", VERB_ANY, 1, 0, reset_server_features },
4381 { "dns", VERB_ANY, VERB_ANY, 0, verb_dns },
4382 { "domain", VERB_ANY, VERB_ANY, 0, verb_domain },
4383 { "default-route", VERB_ANY, 3, 0, verb_default_route },
4384 { "llmnr", VERB_ANY, 3, 0, verb_llmnr },
4385 { "mdns", VERB_ANY, 3, 0, verb_mdns },
4386 { "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
4387 { "dnssec", VERB_ANY, 3, 0, verb_dnssec },
4388 { "nta", VERB_ANY, VERB_ANY, 0, verb_nta },
4389 { "revert", VERB_ANY, 2, 0, verb_revert_link },
4390 { "log-level", VERB_ANY, 2, 0, verb_log_level },
4391 { "monitor", VERB_ANY, 1, 0, verb_monitor },
4392 { "show-cache", VERB_ANY, 1, 0, verb_show_cache },
4393 { "show-server-state", VERB_ANY, 1, 0, verb_show_server_state},
4394 {}
4395 };
4396
4397 return dispatch_verb(argc, argv, verbs, /* userdata = */ NULL);
4398}
4399
4400static int translate(const char *verb, const char *single_arg, size_t num_args, char **args) {
4401 char **fake, **p;
4402 size_t num;
4403
4404 assert(verb);
4405 assert(num_args == 0 || args);
4406
4407 num = !!single_arg + num_args + 1;
4408
4409 p = fake = newa0(char *, num + 1);
4410 *p++ = (char *) verb;
4411 if (single_arg)
4412 *p++ = (char *) single_arg;
4413 FOREACH_ARRAY(arg, args, num_args)
4414 *p++ = *arg;
4415
4416 optind = 0;
4417 return native_main((int) num, fake);
4418}
4419
4420static int compat_main(int argc, char *argv[]) {
4421 int r = 0;
4422
4423 switch (arg_mode) {
4424 case MODE_RESOLVE_HOST:
4425 case MODE_RESOLVE_RECORD:
4426 return translate("query", NULL, argc - optind, argv + optind);
4427
4428 case MODE_RESOLVE_SERVICE:
4429 return translate("service", NULL, argc - optind, argv + optind);
4430
4431 case MODE_RESOLVE_OPENPGP:
4432 return translate("openpgp", NULL, argc - optind, argv + optind);
4433
4434 case MODE_RESOLVE_TLSA:
4435 return translate("tlsa", arg_service_family, argc - optind, argv + optind);
4436
4437 case MODE_STATISTICS:
4438 return translate("statistics", NULL, 0, NULL);
4439
4440 case MODE_RESET_STATISTICS:
4441 return translate("reset-statistics", NULL, 0, NULL);
4442
4443 case MODE_FLUSH_CACHES:
4444 return translate("flush-caches", NULL, 0, NULL);
4445
4446 case MODE_RESET_SERVER_FEATURES:
4447 return translate("reset-server-features", NULL, 0, NULL);
4448
4449 case MODE_STATUS:
4450 return translate("status", NULL, argc - optind, argv + optind);
4451
4452 case MODE_SET_LINK:
4453 assert(arg_ifname);
4454
4455 if (arg_disable_default_route) {
4456 r = translate("default-route", arg_ifname, 1, STRV_MAKE("no"));
4457 if (r < 0)
4458 return r;
4459 }
4460
4461 if (arg_set_dns) {
4462 r = translate("dns", arg_ifname, strv_length(arg_set_dns), arg_set_dns);
4463 if (r < 0)
4464 return r;
4465 }
4466
4467 if (arg_set_domain) {
4468 r = translate("domain", arg_ifname, strv_length(arg_set_domain), arg_set_domain);
4469 if (r < 0)
4470 return r;
4471 }
4472
4473 if (arg_set_nta) {
4474 r = translate("nta", arg_ifname, strv_length(arg_set_nta), arg_set_nta);
4475 if (r < 0)
4476 return r;
4477 }
4478
4479 if (arg_set_llmnr) {
4480 r = translate("llmnr", arg_ifname, 1, (char **) &arg_set_llmnr);
4481 if (r < 0)
4482 return r;
4483 }
4484
4485 if (arg_set_mdns) {
4486 r = translate("mdns", arg_ifname, 1, (char **) &arg_set_mdns);
4487 if (r < 0)
4488 return r;
4489 }
4490
4491 if (arg_set_dns_over_tls) {
4492 r = translate("dnsovertls", arg_ifname, 1, (char **) &arg_set_dns_over_tls);
4493 if (r < 0)
4494 return r;
4495 }
4496
4497 if (arg_set_dnssec) {
4498 r = translate("dnssec", arg_ifname, 1, (char **) &arg_set_dnssec);
4499 if (r < 0)
4500 return r;
4501 }
4502
4503 return r;
4504
4505 case MODE_REVERT_LINK:
4506 assert(arg_ifname);
4507
4508 return translate("revert", arg_ifname, 0, NULL);
4509
4510 case _MODE_INVALID:
4511 assert_not_reached();
4512 }
4513
4514 return 0;
4515}
4516
4517static int run(int argc, char **argv) {
4518 bool compat = false;
4519 int r;
4520
4521 setlocale(LC_ALL, "");
4522 log_setup();
4523
4524 if (invoked_as(argv, "resolvconf")) {
4525 compat = true;
4526 r = resolvconf_parse_argv(argc, argv);
4527 } else if (invoked_as(argv, "systemd-resolve")) {
4528 compat = true;
4529 r = compat_parse_argv(argc, argv);
4530 } else
4531 r = native_parse_argv(argc, argv);
4532 if (r <= 0)
4533 return r;
4534
4535 if (compat)
4536 return compat_main(argc, argv);
4537
4538 return native_main(argc, argv);
4539}
4540
4541DEFINE_MAIN_FUNCTION(run);
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