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resolvectl: free the block of memory 'hashed' points to before reusing it
[thirdparty/systemd.git] / src / resolve / resolvectl.c
CommitLineData
53e1b683 1/* SPDX-License-Identifier: LGPL-2.1+ */
bdef7319 2
bdef7319 3#include <getopt.h>
cf0fbc49 4#include <net/if.h>
bdef7319
ZJS		 5
6#include "sd-bus.h"
be371fe0 7#include "sd-netlink.h"
3f6fd1ba
LP		 8
9#include "af-list.h"
b5efdb8a 10#include "alloc-util.h"
14965b94 11#include "bus-common-errors.h"
bdef7319 12#include "bus-error.h"
3f6fd1ba 13#include "bus-util.h"
14965b94 14#include "dns-domain.h"
45ec7efb 15#include "escape.h"
4ac2ca1b 16#include "gcrypt-util.h"
be371fe0
LP		 17#include "in-addr-util.h"
18#include "netlink-util.h"
19#include "pager.h"
6bedfcbb 20#include "parse-util.h"
088c1363 21#include "resolvconf-compat.h"
c2e84cab 22#include "resolvectl.h"
51323288 23#include "resolved-def.h"
3f6fd1ba 24#include "resolved-dns-packet.h"
5c828e66 25#include "string-table.h"
be371fe0 26#include "strv.h"
a150ff5e 27#include "terminal-util.h"
a7a4c60a 28#include "verbs.h"
2d4c5cbc 29
bdef7319 30static int arg_family = AF_UNSPEC;
a661dc36
YW		 31static int arg_ifindex = 0;
32static char *arg_ifname = NULL;
4b548ef3 33static uint16_t arg_type = 0;
2d4c5cbc 34static uint16_t arg_class = 0;
b93312f5 35static bool arg_legend = true;
51323288 36static uint64_t arg_flags = 0;
be371fe0 37static bool arg_no_pager = false;
088c1363 38bool arg_ifindex_permissive = false; /* If true, don't generate an error if the specified interface index doesn't exist */
a7a4c60a 39static const char *arg_service_family = NULL;
82d1d240 40
dab48ea6
ZJS		 41typedef enum RawType {
42 RAW_NONE,
43 RAW_PAYLOAD,
44 RAW_PACKET,
45} RawType;
dab48ea6 46static RawType arg_raw = RAW_NONE;
a150ff5e 47
088c1363
LP		 48ExecutionMode arg_mode = MODE_RESOLVE_HOST;
49
a7a4c60a 50char **arg_set_dns = NULL;
088c1363 51char **arg_set_domain = NULL;
a7a4c60a
YW		 52static const char *arg_set_llmnr = NULL;
53static const char *arg_set_mdns = NULL;
c9299be2 54static const char *arg_set_dns_over_tls = NULL;
a7a4c60a 55static const char *arg_set_dnssec = NULL;
14965b94
LP		 56static char **arg_set_nta = NULL;
57
a7a4c60a
YW		 58typedef enum StatusMode {
59 STATUS_ALL,
60 STATUS_DNS,
61 STATUS_DOMAIN,
62 STATUS_LLMNR,
63 STATUS_MDNS,
d050561a 64 STATUS_PRIVATE,
a7a4c60a
YW		 65 STATUS_DNSSEC,
66 STATUS_NTA,
67} StatusMode;
68
a661dc36 69static int parse_ifindex_and_warn(const char *s) {
a7a4c60a
YW		 70 int ifi;
71
72 assert(s);
73
74 if (parse_ifindex(s, &ifi) < 0) {
75 ifi = if_nametoindex(s);
76 if (ifi <= 0)
a661dc36 77 return log_error_errno(errno, "Unknown interface '%s': %m", s);
a7a4c60a
YW		 78 }
79
80 return ifi;
81}
82
a661dc36
YW		 83int ifname_mangle(const char *s, bool allow_loopback) {
84 _cleanup_free_ char *iface = NULL;
85 const char *dot;
86 int r;
87
88 assert(s);
89
90 if (arg_ifname) {
91 assert(arg_ifindex >= 0);
92
93 if (!allow_loopback && arg_ifindex == LOOPBACK_IFINDEX) {
94 log_error("Interface can't be the loopback interface (lo). Sorry.");
95 return -EINVAL;
96 }
97
98 return 1;
99 }
100
101 dot = strchr(s, '.');
102 if (dot) {
103 iface = strndup(s, dot - s);
104 if (!iface)
105 return log_oom();
106
107 log_debug("Ignoring protocol specifier '%s'.", dot + 1);
108 } else {
109 iface = strdup(s);
110 if (!iface)
111 return log_oom();
112 }
113
114 if (parse_ifindex(iface, &r) < 0) {
115 r = if_nametoindex(iface);
116 if (r <= 0) {
117 if (errno == ENODEV && arg_ifindex_permissive) {
118 log_debug("Interface '%s' not found, but -f specified, ignoring.", iface);
119 return 0; /* done */
120 }
121
122 return log_error_errno(errno, "Unknown interface '%s': %m", iface);
123 }
124 }
125
126 if (!allow_loopback && r == LOOPBACK_IFINDEX) {
127 log_error("Interface can't be the loopback interface (lo). Sorry.");
128 return -EINVAL;
129 }
130
131 arg_ifindex = r;
132 arg_ifname = TAKE_PTR(iface);
133
134 return 1;
135}
136
78c6a153 137static void print_source(uint64_t flags, usec_t rtt) {
74998408 138 char rtt_str[FORMAT_TIMESTAMP_MAX];
51323288
LP		 139
140 if (!arg_legend)
141 return;
142
78c6a153 143 if (flags == 0)
51323288
LP		 144 return;
145
146 fputs("\n-- Information acquired via", stdout);
147
148 if (flags != 0)
786c8e9f 149 printf(" protocol%s%s%s%s%s",
51323288
LP		 150 flags & SD_RESOLVED_DNS ? " DNS" :"",
151 flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
786c8e9f 152 flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
44ccb3d7
YW		 153 flags & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
154 flags & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
51323288 155
74998408
TG		 156 assert_se(format_timespan(rtt_str, sizeof(rtt_str), rtt, 100));
157
158 printf(" in %s", rtt_str);
159
51323288
LP		 160 fputc('.', stdout);
161 fputc('\n', stdout);
931851e8
LP		 162
163 printf("-- Data is authenticated: %s\n", yes_no(flags & SD_RESOLVED_AUTHENTICATED));
51323288 164}
bdef7319 165
79266746 166static int resolve_host(sd_bus *bus, const char *name) {
4afd3348
LP		 167 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
168 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
79266746 169 const char *canonical = NULL;
bdef7319 170 unsigned c = 0;
51323288 171 uint64_t flags;
74998408 172 usec_t ts;
a661dc36 173 int r;
bdef7319
ZJS		 174
175 assert(name);
176
a661dc36 177 log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
bdef7319
ZJS		 178
179 r = sd_bus_message_new_method_call(
180 bus,
181 &req,
182 "org.freedesktop.resolve1",
183 "/org/freedesktop/resolve1",
184 "org.freedesktop.resolve1.Manager",
185 "ResolveHostname");
02dd6e18
LP		 186 if (r < 0)
187 return bus_log_create_error(r);
bdef7319 188
51323288 189 r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
02dd6e18
LP		 190 if (r < 0)
191 return bus_log_create_error(r);
bdef7319 192
74998408
TG		 193 ts = now(CLOCK_MONOTONIC);
194
4cbfd62b 195 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
45ec7efb
LP		 196 if (r < 0)
197 return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(&error, r));
bdef7319 198
74998408
TG		 199 ts = now(CLOCK_MONOTONIC) - ts;
200
78c6a153 201 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
02dd6e18
LP		 202 if (r < 0)
203 return bus_log_parse_error(r);
bdef7319 204
78c6a153 205 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
bdef7319 206 _cleanup_free_ char *pretty = NULL;
a661dc36 207 char ifname[IF_NAMESIZE] = "";
78c6a153 208 int ifindex, family;
45ec7efb
LP		 209 const void *a;
210 size_t sz;
78c6a153
LP		 211
212 assert_cc(sizeof(int) == sizeof(int32_t));
bdef7319 213
78c6a153 214 r = sd_bus_message_read(reply, "ii", &ifindex, &family);
02dd6e18
LP		 215 if (r < 0)
216 return bus_log_parse_error(r);
bdef7319
ZJS		 217
218 r = sd_bus_message_read_array(reply, 'y', &a, &sz);
02dd6e18
LP		 219 if (r < 0)
220 return bus_log_parse_error(r);
bdef7319 221
bdef7319 222 r = sd_bus_message_exit_container(reply);
02dd6e18
LP		 223 if (r < 0)
224 return bus_log_parse_error(r);
bdef7319 225
79266746 226 if (!IN_SET(family, AF_INET, AF_INET6)) {
be636413 227 log_debug("%s: skipping entry with family %d (%s)", name, family, af_to_name(family) ?: "unknown");
bdef7319
ZJS		 228 continue;
229 }
230
231 if (sz != FAMILY_ADDRESS_SIZE(family)) {
78c6a153 232 log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name, sz, af_to_name(family) ?: "unknown");
45ec7efb 233 return -EINVAL;
bdef7319
ZJS		 234 }
235
78c6a153
LP		 236 if (ifindex > 0 && !if_indextoname(ifindex, ifname))
237 log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
bdef7319 238
145fab1e 239 r = in_addr_ifindex_to_string(family, a, ifindex, &pretty);
78c6a153
LP		 240 if (r < 0)
241 return log_error_errno(r, "Failed to print address for %s: %m", name);
bdef7319 242
79266746
LP		 243 printf("%*s%s %s%s%s\n",
244 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
245 pretty,
246 isempty(ifname) ? "" : "%", ifname);
bdef7319
ZJS		 247
248 c++;
249 }
79266746
LP		 250 if (r < 0)
251 return bus_log_parse_error(r);
252
253 r = sd_bus_message_exit_container(reply);
254 if (r < 0)
255 return bus_log_parse_error(r);
256
51323288 257 r = sd_bus_message_read(reply, "st", &canonical, &flags);
79266746
LP		 258 if (r < 0)
259 return bus_log_parse_error(r);
260
ece174c5 261 if (!streq(name, canonical))
79266746
LP		 262 printf("%*s%s (%s)\n",
263 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
264 canonical);
bdef7319
ZJS		 265
266 if (c == 0) {
267 log_error("%s: no addresses found", name);
79266746
LP		 268 return -ESRCH;
269 }
270
78c6a153 271 print_source(flags, ts);
51323288 272
79266746
LP		 273 return 0;
274}
275
276static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
4afd3348
LP		 277 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
278 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
79266746
LP		 279 _cleanup_free_ char *pretty = NULL;
280 char ifname[IF_NAMESIZE] = "";
51323288 281 uint64_t flags;
79266746 282 unsigned c = 0;
74998408 283 usec_t ts;
79266746
LP		 284 int r;
285
286 assert(bus);
287 assert(IN_SET(family, AF_INET, AF_INET6));
288 assert(address);
289
78c6a153
LP		 290 if (ifindex <= 0)
291 ifindex = arg_ifindex;
292
145fab1e 293 r = in_addr_ifindex_to_string(family, address, ifindex, &pretty);
79266746
LP		 294 if (r < 0)
295 return log_oom();
296
78c6a153
LP		 297 if (ifindex > 0 && !if_indextoname(ifindex, ifname))
298 return log_error_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
79266746
LP		 299
300 log_debug("Resolving %s%s%s.", pretty, isempty(ifname) ? "" : "%", ifname);
301
302 r = sd_bus_message_new_method_call(
303 bus,
304 &req,
305 "org.freedesktop.resolve1",
306 "/org/freedesktop/resolve1",
307 "org.freedesktop.resolve1.Manager",
308 "ResolveAddress");
309 if (r < 0)
310 return bus_log_create_error(r);
311
51323288 312 r = sd_bus_message_append(req, "ii", ifindex, family);
79266746
LP		 313 if (r < 0)
314 return bus_log_create_error(r);
315
316 r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
317 if (r < 0)
318 return bus_log_create_error(r);
319
51323288 320 r = sd_bus_message_append(req, "t", arg_flags);
79266746
LP		 321 if (r < 0)
322 return bus_log_create_error(r);
323
74998408
TG		 324 ts = now(CLOCK_MONOTONIC);
325
4cbfd62b 326 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
4ae25393
YW		 327 if (r < 0)
328 return log_error_errno(r, "%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
79266746 329
74998408
TG		 330 ts = now(CLOCK_MONOTONIC) - ts;
331
78c6a153 332 r = sd_bus_message_enter_container(reply, 'a', "(is)");
79266746
LP		 333 if (r < 0)
334 return bus_log_create_error(r);
335
78c6a153
LP		 336 while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
337 const char *n;
338
339 assert_cc(sizeof(int) == sizeof(int32_t));
79266746 340
78c6a153
LP		 341 r = sd_bus_message_read(reply, "is", &ifindex, &n);
342 if (r < 0)
343 return r;
344
345 r = sd_bus_message_exit_container(reply);
346 if (r < 0)
347 return r;
348
349 ifname[0] = 0;
350 if (ifindex > 0 && !if_indextoname(ifindex, ifname))
351 log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
352
353 printf("%*s%*s%*s%s %s\n",
79266746 354 (int) strlen(pretty), c == 0 ? pretty : "",
78c6a153
LP		 355 isempty(ifname) ? 0 : 1, c > 0 || isempty(ifname) ? "" : "%",
356 (int) strlen(ifname), c == 0 ? ifname : "",
79266746
LP		 357 c == 0 ? ":" : " ",
358 n);
359
360 c++;
bdef7319 361 }
79266746
LP		 362 if (r < 0)
363 return bus_log_parse_error(r);
bdef7319 364
02dd6e18
LP		 365 r = sd_bus_message_exit_container(reply);
366 if (r < 0)
367 return bus_log_parse_error(r);
368
51323288
LP		 369 r = sd_bus_message_read(reply, "t", &flags);
370 if (r < 0)
371 return bus_log_parse_error(r);
372
79266746
LP		 373 if (c == 0) {
374 log_error("%s: no names found", pretty);
375 return -ESRCH;
376 }
377
78c6a153 378 print_source(flags, ts);
51323288 379
79266746
LP		 380 return 0;
381}
382
dab48ea6
ZJS		 383static int output_rr_packet(const void *d, size_t l, int ifindex) {
384 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
385 _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
386 int r;
387 char ifname[IF_NAMESIZE] = "";
388
51027656 389 r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX);
dab48ea6
ZJS		 390 if (r < 0)
391 return log_oom();
392
393 p->refuse_compression = true;
394
395 r = dns_packet_append_blob(p, d, l, NULL);
396 if (r < 0)
397 return log_oom();
398
399 r = dns_packet_read_rr(p, &rr, NULL, NULL);
400 if (r < 0)
401 return log_error_errno(r, "Failed to parse RR: %m");
402
403 if (arg_raw == RAW_PAYLOAD) {
404 void *data;
405 ssize_t k;
406
407 k = dns_resource_record_payload(rr, &data);
408 if (k < 0)
409 return log_error_errno(k, "Cannot dump RR: %m");
410 fwrite(data, 1, k, stdout);
411 } else {
412 const char *s;
413
414 s = dns_resource_record_to_string(rr);
415 if (!s)
416 return log_oom();
417
418 if (ifindex > 0 && !if_indextoname(ifindex, ifname))
419 log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
420
421 printf("%s%s%s\n", s, isempty(ifname) ? "" : " # interface ", ifname);
422 }
423
424 return 0;
425}
426
a60f4d0b 427static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type, bool warn_missing) {
4afd3348
LP		 428 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
429 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2d4c5cbc 430 unsigned n = 0;
51323288 431 uint64_t flags;
78c6a153 432 int r;
74998408 433 usec_t ts;
41815a4a 434 bool needs_authentication = false;
2d4c5cbc
LP		 435
436 assert(name);
437
a661dc36 438 log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(arg_ifname) ? "*" : arg_ifname);
2d4c5cbc
LP		 439
440 r = sd_bus_message_new_method_call(
441 bus,
442 &req,
443 "org.freedesktop.resolve1",
444 "/org/freedesktop/resolve1",
445 "org.freedesktop.resolve1.Manager",
446 "ResolveRecord");
447 if (r < 0)
448 return bus_log_create_error(r);
449
c1dafe4f 450 r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
2d4c5cbc
LP		 451 if (r < 0)
452 return bus_log_create_error(r);
453
74998408
TG		 454 ts = now(CLOCK_MONOTONIC);
455
4cbfd62b 456 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
2d4c5cbc 457 if (r < 0) {
a60f4d0b
SS		 458 if (warn_missing || r != -ENXIO)
459 log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r));
2d4c5cbc
LP		 460 return r;
461 }
462
74998408
TG		 463 ts = now(CLOCK_MONOTONIC) - ts;
464
78c6a153 465 r = sd_bus_message_enter_container(reply, 'a', "(iqqay)");
51323288
LP		 466 if (r < 0)
467 return bus_log_parse_error(r);
468
78c6a153 469 while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
2d4c5cbc 470 uint16_t c, t;
78c6a153 471 int ifindex;
2d4c5cbc
LP		 472 const void *d;
473 size_t l;
474
78c6a153
LP		 475 assert_cc(sizeof(int) == sizeof(int32_t));
476
477 r = sd_bus_message_read(reply, "iqq", &ifindex, &c, &t);
2d4c5cbc
LP		 478 if (r < 0)
479 return bus_log_parse_error(r);
480
481 r = sd_bus_message_read_array(reply, 'y', &d, &l);
482 if (r < 0)
483 return bus_log_parse_error(r);
484
485 r = sd_bus_message_exit_container(reply);
486 if (r < 0)
487 return bus_log_parse_error(r);
488
dab48ea6
ZJS		 489 if (arg_raw == RAW_PACKET) {
490 uint64_t u64 = htole64(l);
2d4c5cbc 491
dab48ea6
ZJS		 492 fwrite(&u64, sizeof(u64), 1, stdout);
493 fwrite(d, 1, l, stdout);
2e74028a 494 } else {
dab48ea6
ZJS		 495 r = output_rr_packet(d, l, ifindex);
496 if (r < 0)
497 return r;
2e74028a 498 }
78c6a153 499
41815a4a
LP		 500 if (dns_type_needs_authentication(t))
501 needs_authentication = true;
502
2d4c5cbc
LP		 503 n++;
504 }
505 if (r < 0)
506 return bus_log_parse_error(r);
507
508 r = sd_bus_message_exit_container(reply);
509 if (r < 0)
510 return bus_log_parse_error(r);
511
51323288
LP		 512 r = sd_bus_message_read(reply, "t", &flags);
513 if (r < 0)
514 return bus_log_parse_error(r);
515
2d4c5cbc 516 if (n == 0) {
a60f4d0b
SS		 517 if (warn_missing)
518 log_error("%s: no records found", name);
2d4c5cbc
LP		 519 return -ESRCH;
520 }
521
78c6a153 522 print_source(flags, ts);
51323288 523
41815a4a
LP		 524 if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
525 fflush(stdout);
526
527 fprintf(stderr, "\n%s"
528 "WARNING: The resources shown contain cryptographic key data which could not be\n"
529 " authenticated. It is not suitable to authenticate any communication.\n"
530 " This is usually indication that DNSSEC authentication was not enabled\n"
531 " or is not available for the selected protocol or DNS servers.%s\n",
532 ansi_highlight_red(),
533 ansi_normal());
534 }
535
2d4c5cbc
LP		 536 return 0;
537}
538
c1dafe4f
LP		 539static int resolve_rfc4501(sd_bus *bus, const char *name) {
540 uint16_t type = 0, class = 0;
541 const char *p, *q, *n;
542 int r;
543
544 assert(bus);
545 assert(name);
546 assert(startswith(name, "dns:"));
547
548 /* Parse RFC 4501 dns: URIs */
549
550 p = name + 4;
551
552 if (p[0] == '/') {
553 const char *e;
554
555 if (p[1] != '/')
556 goto invalid;
557
558 e = strchr(p + 2, '/');
559 if (!e)
560 goto invalid;
561
562 if (e != p + 2)
563 log_warning("DNS authority specification not supported; ignoring specified authority.");
564
565 p = e + 1;
566 }
567
568 q = strchr(p, '?');
569 if (q) {
570 n = strndupa(p, q - p);
571 q++;
572
573 for (;;) {
574 const char *f;
575
576 f = startswith_no_case(q, "class=");
577 if (f) {
578 _cleanup_free_ char *t = NULL;
579 const char *e;
580
581 if (class != 0) {
582 log_error("DNS class specified twice.");
583 return -EINVAL;
584 }
585
586 e = strchrnul(f, ';');
587 t = strndup(f, e - f);
588 if (!t)
589 return log_oom();
590
591 r = dns_class_from_string(t);
592 if (r < 0) {
593 log_error("Unknown DNS class %s.", t);
594 return -EINVAL;
595 }
596
597 class = r;
598
599 if (*e == ';') {
600 q = e + 1;
601 continue;
602 }
603
604 break;
605 }
606
607 f = startswith_no_case(q, "type=");
608 if (f) {
609 _cleanup_free_ char *t = NULL;
610 const char *e;
611
612 if (type != 0) {
613 log_error("DNS type specified twice.");
614 return -EINVAL;
615 }
616
617 e = strchrnul(f, ';');
618 t = strndup(f, e - f);
619 if (!t)
620 return log_oom();
621
622 r = dns_type_from_string(t);
623 if (r < 0) {
624 log_error("Unknown DNS type %s.", t);
625 return -EINVAL;
626 }
627
628 type = r;
629
630 if (*e == ';') {
631 q = e + 1;
632 continue;
633 }
634
635 break;
636 }
637
638 goto invalid;
639 }
640 } else
641 n = p;
642
c1dafe4f 643 if (class == 0)
4ac2ca1b
ZJS		 644 class = arg_class ?: DNS_CLASS_IN;
645 if (type == 0)
646 type = arg_type ?: DNS_TYPE_A;
c1dafe4f 647
a60f4d0b 648 return resolve_record(bus, n, class, type, true);
c1dafe4f
LP		 649
650invalid:
651 log_error("Invalid DNS URI: %s", name);
652 return -EINVAL;
653}
654
a7a4c60a
YW		 655static int verb_query(int argc, char **argv, void *userdata) {
656 sd_bus *bus = userdata;
657 char **p;
658 int q, r = 0;
659
660 if (arg_type != 0)
661 STRV_FOREACH(p, argv + 1) {
662 q = resolve_record(bus, *p, arg_class, arg_type, true);
663 if (q < 0)
664 r = q;
665 }
666
667 else
668 STRV_FOREACH(p, argv + 1) {
669 if (startswith(*p, "dns:"))
670 q = resolve_rfc4501(bus, *p);
671 else {
672 int family, ifindex;
673 union in_addr_union a;
674
675 q = in_addr_ifindex_from_string_auto(*p, &family, &a, &ifindex);
676 if (q >= 0)
677 q = resolve_address(bus, family, &a, ifindex);
678 else
679 q = resolve_host(bus, *p);
680 }
681 if (q < 0)
682 r = q;
683 }
684
685 return r;
686}
687
45ec7efb
LP		 688static int resolve_service(sd_bus *bus, const char *name, const char *type, const char *domain) {
689 const char *canonical_name, *canonical_type, *canonical_domain;
4afd3348
LP		 690 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
691 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
45ec7efb
LP		 692 size_t indent, sz;
693 uint64_t flags;
694 const char *p;
695 unsigned c;
696 usec_t ts;
697 int r;
698
699 assert(bus);
700 assert(domain);
701
3c6f7c34
LP		 702 name = empty_to_null(name);
703 type = empty_to_null(type);
45ec7efb 704
45ec7efb 705 if (name)
a661dc36 706 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);
45ec7efb 707 else if (type)
a661dc36 708 log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
45ec7efb 709 else
a661dc36 710 log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
45ec7efb
LP		 711
712 r = sd_bus_message_new_method_call(
713 bus,
714 &req,
715 "org.freedesktop.resolve1",
716 "/org/freedesktop/resolve1",
717 "org.freedesktop.resolve1.Manager",
718 "ResolveService");
719 if (r < 0)
720 return bus_log_create_error(r);
721
722 r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
723 if (r < 0)
724 return bus_log_create_error(r);
725
726 ts = now(CLOCK_MONOTONIC);
727
4cbfd62b 728 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
45ec7efb
LP		 729 if (r < 0)
730 return log_error_errno(r, "Resolve call failed: %s", bus_error_message(&error, r));
731
732 ts = now(CLOCK_MONOTONIC) - ts;
733
734 r = sd_bus_message_enter_container(reply, 'a', "(qqqsa(iiay)s)");
735 if (r < 0)
736 return bus_log_parse_error(r);
737
738 indent =
739 (name ? strlen(name) + 1 : 0) +
740 (type ? strlen(type) + 1 : 0) +
741 strlen(domain) + 2;
742
743 c = 0;
744 while ((r = sd_bus_message_enter_container(reply, 'r', "qqqsa(iiay)s")) > 0) {
745 uint16_t priority, weight, port;
746 const char *hostname, *canonical;
747
748 r = sd_bus_message_read(reply, "qqqs", &priority, &weight, &port, &hostname);
749 if (r < 0)
750 return bus_log_parse_error(r);
751
752 if (name)
753 printf("%*s%s", (int) strlen(name), c == 0 ? name : "", c == 0 ? "/" : " ");
754 if (type)
755 printf("%*s%s", (int) strlen(type), c == 0 ? type : "", c == 0 ? "/" : " ");
756
757 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
758 (int) strlen(domain), c == 0 ? domain : "",
759 c == 0 ? ":" : " ",
760 hostname, port,
761 priority, weight);
762
763 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
764 if (r < 0)
765 return bus_log_parse_error(r);
766
767 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
768 _cleanup_free_ char *pretty = NULL;
a661dc36 769 char ifname[IF_NAMESIZE] = "";
45ec7efb
LP		 770 int ifindex, family;
771 const void *a;
772
773 assert_cc(sizeof(int) == sizeof(int32_t));
774
775 r = sd_bus_message_read(reply, "ii", &ifindex, &family);
776 if (r < 0)
777 return bus_log_parse_error(r);
778
779 r = sd_bus_message_read_array(reply, 'y', &a, &sz);
780 if (r < 0)
781 return bus_log_parse_error(r);
782
783 r = sd_bus_message_exit_container(reply);
784 if (r < 0)
785 return bus_log_parse_error(r);
786
787 if (!IN_SET(family, AF_INET, AF_INET6)) {
788 log_debug("%s: skipping entry with family %d (%s)", name, family, af_to_name(family) ?: "unknown");
789 continue;
790 }
791
792 if (sz != FAMILY_ADDRESS_SIZE(family)) {
793 log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name, sz, af_to_name(family) ?: "unknown");
794 return -EINVAL;
795 }
796
45ec7efb
LP		 797 if (ifindex > 0 && !if_indextoname(ifindex, ifname))
798 log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
799
800 r = in_addr_to_string(family, a, &pretty);
801 if (r < 0)
802 return log_error_errno(r, "Failed to print address for %s: %m", name);
803
804 printf("%*s%s%s%s\n", (int) indent, "", pretty, isempty(ifname) ? "" : "%s", ifname);
805 }
806 if (r < 0)
807 return bus_log_parse_error(r);
808
809 r = sd_bus_message_exit_container(reply);
810 if (r < 0)
811 return bus_log_parse_error(r);
812
813 r = sd_bus_message_read(reply, "s", &canonical);
814 if (r < 0)
815 return bus_log_parse_error(r);
816
817 if (!streq(hostname, canonical))
818 printf("%*s(%s)\n", (int) indent, "", canonical);
819
820 r = sd_bus_message_exit_container(reply);
821 if (r < 0)
822 return bus_log_parse_error(r);
823
824 c++;
825 }
826 if (r < 0)
827 return bus_log_parse_error(r);
828
829 r = sd_bus_message_exit_container(reply);
830 if (r < 0)
831 return bus_log_parse_error(r);
832
833 r = sd_bus_message_enter_container(reply, 'a', "ay");
834 if (r < 0)
835 return bus_log_parse_error(r);
836
45ec7efb
LP		 837 while ((r = sd_bus_message_read_array(reply, 'y', (const void**) &p, &sz)) > 0) {
838 _cleanup_free_ char *escaped = NULL;
839
840 escaped = cescape_length(p, sz);
841 if (!escaped)
842 return log_oom();
843
844 printf("%*s%s\n", (int) indent, "", escaped);
45ec7efb
LP		 845 }
846 if (r < 0)
847 return bus_log_parse_error(r);
848
849 r = sd_bus_message_exit_container(reply);
850 if (r < 0)
851 return bus_log_parse_error(r);
852
853 r = sd_bus_message_read(reply, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
854 if (r < 0)
855 return bus_log_parse_error(r);
856
3c6f7c34
LP		 857 canonical_name = empty_to_null(canonical_name);
858 canonical_type = empty_to_null(canonical_type);
45ec7efb
LP		 859
860 if (!streq_ptr(name, canonical_name) ||
861 !streq_ptr(type, canonical_type) ||
862 !streq_ptr(domain, canonical_domain)) {
863
864 printf("%*s(", (int) indent, "");
865
866 if (canonical_name)
867 printf("%s/", canonical_name);
868 if (canonical_type)
869 printf("%s/", canonical_type);
870
871 printf("%s)\n", canonical_domain);
872 }
873
874 print_source(flags, ts);
875
876 return 0;
877}
878
a7a4c60a
YW		 879static int verb_service(int argc, char **argv, void *userdata) {
880 sd_bus *bus = userdata;
881
882 if (argc == 2)
883 return resolve_service(bus, NULL, NULL, argv[1]);
884 else if (argc == 3)
885 return resolve_service(bus, NULL, argv[1], argv[2]);
886 else
887 return resolve_service(bus, argv[1], argv[2], argv[3]);
888}
889
4ac2ca1b
ZJS		 890static int resolve_openpgp(sd_bus *bus, const char *address) {
891 const char *domain, *full;
892 int r;
893 _cleanup_free_ char *hashed = NULL;
894
895 assert(bus);
896 assert(address);
897
898 domain = strrchr(address, '@');
899 if (!domain) {
900 log_error("Address does not contain '@': \"%s\"", address);
901 return -EINVAL;
902 } else if (domain == address || domain[1] == '\0') {
903 log_error("Address starts or ends with '@': \"%s\"", address);
904 return -EINVAL;
905 }
906 domain++;
907
a60f4d0b 908 r = string_hashsum_sha256(address, domain - 1 - address, &hashed);
4ac2ca1b
ZJS		 909 if (r < 0)
910 return log_error_errno(r, "Hashing failed: %m");
911
a60f4d0b
SS		 912 strshorten(hashed, 56);
913
4ac2ca1b
ZJS		 914 full = strjoina(hashed, "._openpgpkey.", domain);
915 log_debug("Looking up \"%s\".", full);
916
a60f4d0b
SS		 917 r = resolve_record(bus, full,
918 arg_class ?: DNS_CLASS_IN,
919 arg_type ?: DNS_TYPE_OPENPGPKEY, false);
920
921 if (IN_SET(r, -ENXIO, -ESRCH)) { /* NXDOMAIN or NODATA? */
670e95ae 922 hashed = mfree(hashed);
a60f4d0b
SS		 923 r = string_hashsum_sha224(address, domain - 1 - address, &hashed);
924 if (r < 0)
925 return log_error_errno(r, "Hashing failed: %m");
926
927 full = strjoina(hashed, "._openpgpkey.", domain);
928 log_debug("Looking up \"%s\".", full);
929
930 return resolve_record(bus, full,
931 arg_class ?: DNS_CLASS_IN,
932 arg_type ?: DNS_TYPE_OPENPGPKEY, true);
933 }
934
935 return r;
4ac2ca1b
ZJS		 936}
937
a7a4c60a
YW		 938static int verb_openpgp(int argc, char **argv, void *userdata) {
939 sd_bus *bus = userdata;
940 char **p;
941 int q, r = 0;
942
943 STRV_FOREACH(p, argv + 1) {
944 q = resolve_openpgp(bus, *p);
945 if (q < 0)
946 r = q;
947 }
948
949 return r;
950}
951
ebbc70e5 952static int resolve_tlsa(sd_bus *bus, const char *family, const char *address) {
82d1d240
ZJS		 953 const char *port;
954 uint16_t port_num = 443;
955 _cleanup_free_ char *full = NULL;
956 int r;
957
958 assert(bus);
959 assert(address);
960
961 port = strrchr(address, ':');
962 if (port) {
10452f7c
SS		 963 r = parse_ip_port(port + 1, &port_num);
964 if (r < 0)
82d1d240
ZJS		 965 return log_error_errno(r, "Invalid port \"%s\".", port + 1);
966
967 address = strndupa(address, port - address);
968 }
969
ebbc70e5 970 r = asprintf(&full, "_%u._%s.%s",
82d1d240 971 port_num,
ebbc70e5 972 family,
82d1d240
ZJS		 973 address);
974 if (r < 0)
975 return log_oom();
976
977 log_debug("Looking up \"%s\".", full);
978
979 return resolve_record(bus, full,
980 arg_class ?: DNS_CLASS_IN,
a60f4d0b 981 arg_type ?: DNS_TYPE_TLSA, true);
82d1d240
ZJS		 982}
983
ebbc70e5
YW		 984static bool service_family_is_valid(const char *s) {
985 return STR_IN_SET(s, "tcp", "udp", "sctp");
986}
987
a7a4c60a
YW		 988static int verb_tlsa(int argc, char **argv, void *userdata) {
989 sd_bus *bus = userdata;
a7a4c60a 990 char **p, **args = argv + 1;
ebbc70e5 991 const char *family = "tcp";
a7a4c60a
YW		 992 int q, r = 0;
993
ebbc70e5
YW		 994 if (service_family_is_valid(argv[1])) {
995 family = argv[1];
a7a4c60a 996 args++;
ebbc70e5 997 }
a7a4c60a
YW		 998
999 STRV_FOREACH(p, args) {
1000 q = resolve_tlsa(bus, family, *p);
1001 if (q < 0)
1002 r = q;
1003 }
1004
1005 return r;
1006}
1007
1008static int show_statistics(int argc, char **argv, void *userdata) {
a150ff5e
LP		 1009 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1010 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
a7a4c60a 1011 sd_bus *bus = userdata;
a150ff5e
LP		 1012 uint64_t n_current_transactions, n_total_transactions,
1013 cache_size, n_cache_hit, n_cache_miss,
1014 n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
593f665c 1015 int r, dnssec_supported;
a150ff5e
LP		 1016
1017 assert(bus);
1018
593f665c
LP		 1019 r = sd_bus_get_property_trivial(bus,
1020 "org.freedesktop.resolve1",
1021 "/org/freedesktop/resolve1",
1022 "org.freedesktop.resolve1.Manager",
1023 "DNSSECSupported",
1024 &error,
1025 'b',
1026 &dnssec_supported);
1027 if (r < 0)
1028 return log_error_errno(r, "Failed to get DNSSEC supported state: %s", bus_error_message(&error, r));
1029
1030 printf("DNSSEC supported by current servers: %s%s%s\n\n",
1031 ansi_highlight(),
1032 yes_no(dnssec_supported),
1033 ansi_normal());
1034
a150ff5e
LP		 1035 r = sd_bus_get_property(bus,
1036 "org.freedesktop.resolve1",
1037 "/org/freedesktop/resolve1",
1038 "org.freedesktop.resolve1.Manager",
1039 "TransactionStatistics",
1040 &error,
1041 &reply,
1042 "(tt)");
1043 if (r < 0)
1044 return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
1045
1046 r = sd_bus_message_read(reply, "(tt)",
1047 &n_current_transactions,
1048 &n_total_transactions);
1049 if (r < 0)
1050 return bus_log_parse_error(r);
1051
1052 printf("%sTransactions%s\n"
1053 "Current Transactions: %" PRIu64 "\n"
1054 " Total Transactions: %" PRIu64 "\n",
1055 ansi_highlight(),
1056 ansi_normal(),
1057 n_current_transactions,
1058 n_total_transactions);
1059
1060 reply = sd_bus_message_unref(reply);
1061
1062 r = sd_bus_get_property(bus,
1063 "org.freedesktop.resolve1",
1064 "/org/freedesktop/resolve1",
1065 "org.freedesktop.resolve1.Manager",
1066 "CacheStatistics",
1067 &error,
1068 &reply,
1069 "(ttt)");
f7700834
TA		 1070 if (r < 0)
1071 return log_error_errno(r, "Failed to get cache statistics: %s", bus_error_message(&error, r));
a150ff5e
LP		 1072
1073 r = sd_bus_message_read(reply, "(ttt)",
1074 &cache_size,
1075 &n_cache_hit,
1076 &n_cache_miss);
1077 if (r < 0)
1078 return bus_log_parse_error(r);
1079
1080 printf("\n%sCache%s\n"
1081 " Current Cache Size: %" PRIu64 "\n"
1082 " Cache Hits: %" PRIu64 "\n"
1083 " Cache Misses: %" PRIu64 "\n",
1084 ansi_highlight(),
1085 ansi_normal(),
1086 cache_size,
1087 n_cache_hit,
1088 n_cache_miss);
1089
1090 reply = sd_bus_message_unref(reply);
1091
1092 r = sd_bus_get_property(bus,
1093 "org.freedesktop.resolve1",
1094 "/org/freedesktop/resolve1",
1095 "org.freedesktop.resolve1.Manager",
1096 "DNSSECStatistics",
1097 &error,
1098 &reply,
1099 "(tttt)");
f7700834
TA		 1100 if (r < 0)
1101 return log_error_errno(r, "Failed to get DNSSEC statistics: %s", bus_error_message(&error, r));
a150ff5e
LP		 1102
1103 r = sd_bus_message_read(reply, "(tttt)",
1104 &n_dnssec_secure,
1105 &n_dnssec_insecure,
1106 &n_dnssec_bogus,
1107 &n_dnssec_indeterminate);
1108 if (r < 0)
1109 return bus_log_parse_error(r);
1110
7405bb3e
LP		 1111 printf("\n%sDNSSEC Verdicts%s\n"
1112 " Secure: %" PRIu64 "\n"
1113 " Insecure: %" PRIu64 "\n"
1114 " Bogus: %" PRIu64 "\n"
1115 " Indeterminate: %" PRIu64 "\n",
a150ff5e
LP		 1116 ansi_highlight(),
1117 ansi_normal(),
1118 n_dnssec_secure,
1119 n_dnssec_insecure,
1120 n_dnssec_bogus,
1121 n_dnssec_indeterminate);
1122
1123 return 0;
1124}
1125
a7a4c60a 1126static int reset_statistics(int argc, char **argv, void *userdata) {
a150ff5e 1127 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
a7a4c60a 1128 sd_bus *bus = userdata;
a150ff5e
LP		 1129 int r;
1130
1131 r = sd_bus_call_method(bus,
1132 "org.freedesktop.resolve1",
1133 "/org/freedesktop/resolve1",
1134 "org.freedesktop.resolve1.Manager",
1135 "ResetStatistics",
1136 &error,
1137 NULL,
1138 NULL);
1139 if (r < 0)
1140 return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
1141
1142 return 0;
1143}
1144
a7a4c60a 1145static int flush_caches(int argc, char **argv, void *userdata) {
ba35662f 1146 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
a7a4c60a 1147 sd_bus *bus = userdata;
ba35662f
LP		 1148 int r;
1149
1150 r = sd_bus_call_method(bus,
1151 "org.freedesktop.resolve1",
1152 "/org/freedesktop/resolve1",
1153 "org.freedesktop.resolve1.Manager",
1154 "FlushCaches",
1155 &error,
1156 NULL,
1157 NULL);
1158 if (r < 0)
1159 return log_error_errno(r, "Failed to flush caches: %s", bus_error_message(&error, r));
1160
1161 return 0;
1162}
1163
a7a4c60a 1164static int reset_server_features(int argc, char **argv, void *userdata) {
d55b0463 1165 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
a7a4c60a 1166 sd_bus *bus = userdata;
d55b0463
LP		 1167 int r;
1168
1169 r = sd_bus_call_method(bus,
1170 "org.freedesktop.resolve1",
1171 "/org/freedesktop/resolve1",
1172 "org.freedesktop.resolve1.Manager",
1173 "ResetServerFeatures",
1174 &error,
1175 NULL,
1176 NULL);
1177 if (r < 0)
1178 return log_error_errno(r, "Failed to reset server features: %s", bus_error_message(&error, r));
1179
1180 return 0;
1181}
1182
58f48a56
YW		 1183static int read_dns_server_one(sd_bus_message *m, bool with_ifindex, char **ret) {
1184 _cleanup_free_ char *pretty = NULL;
1185 int ifindex, family, r;
1186 const void *a;
1187 size_t sz;
1188
1189 assert(m);
1190 assert(ret);
1191
1192 r = sd_bus_message_enter_container(m, 'r', with_ifindex ? "iiay" : "iay");
1193 if (r <= 0)
1194 return r;
1195
1196 if (with_ifindex) {
1197 r = sd_bus_message_read(m, "i", &ifindex);
1198 if (r < 0)
1199 return r;
1200 }
1201
1202 r = sd_bus_message_read(m, "i", &family);
1203 if (r < 0)
1204 return r;
1205
1206 r = sd_bus_message_read_array(m, 'y', &a, &sz);
1207 if (r < 0)
1208 return r;
1209
1210 r = sd_bus_message_exit_container(m);
1211 if (r < 0)
1212 return r;
1213
1214 if (with_ifindex && ifindex != 0) {
1215 /* only show the global ones here */
1216 *ret = NULL;
1217 return 1;
1218 }
1219
1220 if (!IN_SET(family, AF_INET, AF_INET6)) {
1221 log_debug("Unexpected family, ignoring: %i", family);
1222
1223 *ret = NULL;
1224 return 1;
1225 }
1226
1227 if (sz != FAMILY_ADDRESS_SIZE(family)) {
1228 log_debug("Address size mismatch, ignoring.");
1229
1230 *ret = NULL;
1231 return 1;
1232 }
1233
1234 r = in_addr_to_string(family, a, &pretty);
1235 if (r < 0)
1236 return r;
1237
1238 *ret = TAKE_PTR(pretty);
1239
1240 return 1;
1241}
1242
be371fe0
LP		 1243static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1244 char ***l = userdata;
1245 int r;
1246
1247 assert(bus);
1248 assert(member);
1249 assert(m);
1250 assert(l);
1251
1252 r = sd_bus_message_enter_container(m, 'a', "(iay)");
1253 if (r < 0)
1254 return r;
1255
1256 for (;;) {
58f48a56 1257 char *pretty = NULL;
be371fe0 1258
58f48a56 1259 r = read_dns_server_one(m, false, &pretty);
be371fe0
LP		 1260 if (r < 0)
1261 return r;
1262 if (r == 0)
1263 break;
1264
58f48a56 1265 if (isempty(pretty))
be371fe0 1266 continue;
be371fe0
LP		 1267
1268 r = strv_consume(l, pretty);
1269 if (r < 0)
1270 return r;
1271 }
1272
1273 r = sd_bus_message_exit_container(m);
1274 if (r < 0)
1275 return r;
1276
1277 return 0;
1278}
1279
446c6415
YW		 1280static int map_link_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1281 assert(m);
1282 assert(userdata);
1283
1284 return read_dns_server_one(m, false, userdata);
1285}
1286
c513bb6e
YW		 1287static int read_domain_one(sd_bus_message *m, bool with_ifindex, char **ret) {
1288 _cleanup_free_ char *str = NULL;
1289 int ifindex, route_only, r;
1290 const char *domain;
1291
1292 assert(m);
1293 assert(ret);
1294
1295 if (with_ifindex)
1296 r = sd_bus_message_read(m, "(isb)", &ifindex, &domain, &route_only);
1297 else
1298 r = sd_bus_message_read(m, "(sb)", &domain, &route_only);
1299 if (r <= 0)
1300 return r;
1301
1302 if (with_ifindex && ifindex != 0) {
1303 /* only show the global ones here */
1304 *ret = NULL;
1305 return 1;
1306 }
1307
1308 if (route_only)
1309 str = strappend("~", domain);
1310 else
1311 str = strdup(domain);
1312 if (!str)
1313 return -ENOMEM;
1314
1315 *ret = TAKE_PTR(str);
1316
1317 return 1;
1318}
1319
be371fe0
LP		 1320static int map_link_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1321 char ***l = userdata;
1322 int r;
1323
1324 assert(bus);
1325 assert(member);
1326 assert(m);
1327 assert(l);
1328
1329 r = sd_bus_message_enter_container(m, 'a', "(sb)");
1330 if (r < 0)
1331 return r;
1332
1333 for (;;) {
c513bb6e 1334 char *pretty = NULL;
be371fe0 1335
c513bb6e 1336 r = read_domain_one(m, false, &pretty);
be371fe0
LP		 1337 if (r < 0)
1338 return r;
1339 if (r == 0)
1340 break;
1341
c513bb6e
YW		 1342 if (isempty(pretty))
1343 continue;
be371fe0
LP		 1344
1345 r = strv_consume(l, pretty);
1346 if (r < 0)
1347 return r;
1348 }
1349
1350 r = sd_bus_message_exit_container(m);
1351 if (r < 0)
1352 return r;
1353
1354 return 0;
1355}
1356
a7a4c60a
YW		 1357static int status_print_strv_ifindex(int ifindex, const char *ifname, char **p) {
1358 char **i;
1359
1360 printf("%sLink %i (%s)%s:",
1361 ansi_highlight(), ifindex, ifname, ansi_normal());
1362
1363 STRV_FOREACH(i, p)
1364 printf(" %s", *i);
1365
1366 printf("\n");
1367
1368 return 0;
1369}
1370
906119c0
YW		 1371struct link_info {
1372 uint64_t scopes_mask;
1373 const char *llmnr;
1374 const char *mdns;
1375 const char *dns_over_tls;
1376 const char *dnssec;
1377 char *current_dns;
1378 char **dns;
1379 char **domains;
1380 char **ntas;
1381 bool dnssec_supported;
1382};
1383
1384static void link_info_clear(struct link_info *p) {
1385 free(p->current_dns);
1386 strv_free(p->dns);
1387 strv_free(p->domains);
1388 strv_free(p->ntas);
1389}
be371fe0 1390
906119c0 1391static int status_ifindex(sd_bus *bus, int ifindex, const char *name, StatusMode mode, bool *empty_line) {
be371fe0 1392 static const struct bus_properties_map property_map[] = {
446c6415
YW		 1393 { "ScopesMask", "t", NULL, offsetof(struct link_info, scopes_mask) },
1394 { "DNS", "a(iay)", map_link_dns_servers, offsetof(struct link_info, dns) },
1395 { "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(struct link_info, current_dns) },
1396 { "Domains", "a(sb)", map_link_domains, offsetof(struct link_info, domains) },
1397 { "LLMNR", "s", NULL, offsetof(struct link_info, llmnr) },
1398 { "MulticastDNS", "s", NULL, offsetof(struct link_info, mdns) },
c9299be2 1399 { "DNSOverTLS", "s", NULL, offsetof(struct link_info, dns_over_tls) },
446c6415
YW		 1400 { "DNSSEC", "s", NULL, offsetof(struct link_info, dnssec) },
1401 { "DNSSECNegativeTrustAnchors", "as", NULL, offsetof(struct link_info, ntas) },
1402 { "DNSSECSupported", "b", NULL, offsetof(struct link_info, dnssec_supported) },
be371fe0
LP		 1403 {}
1404 };
f9e0eefc 1405 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
f37f8a61 1406 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
906119c0 1407 _cleanup_(link_info_clear) struct link_info link_info = {};
be371fe0
LP		 1408 _cleanup_free_ char *ifi = NULL, *p = NULL;
1409 char ifname[IF_NAMESIZE] = "";
1410 char **i;
1411 int r;
1412
1413 assert(bus);
1414 assert(ifindex > 0);
be371fe0
LP		 1415
1416 if (!name) {
1417 if (!if_indextoname(ifindex, ifname))
1418 return log_error_errno(errno, "Failed to resolve interface name for %i: %m", ifindex);
1419
1420 name = ifname;
1421 }
1422
1423 if (asprintf(&ifi, "%i", ifindex) < 0)
1424 return log_oom();
1425
1426 r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi, &p);
1427 if (r < 0)
1428 return log_oom();
1429
1430 r = bus_map_all_properties(bus,
1431 "org.freedesktop.resolve1",
1432 p,
1433 property_map,
a7e4861c 1434 BUS_MAP_BOOLEAN_AS_BOOL,
f9e0eefc 1435 &error,
f37f8a61 1436 &m,
be371fe0 1437 &link_info);
906119c0
YW		 1438 if (r < 0)
1439 return log_error_errno(r, "Failed to get link data for %i: %s", ifindex, bus_error_message(&error, r));
be371fe0 1440
ee5324aa 1441 (void) pager_open(arg_no_pager, false);
be371fe0 1442
906119c0
YW		 1443 if (mode == STATUS_DNS)
1444 return status_print_strv_ifindex(ifindex, name, link_info.dns);
a7a4c60a 1445
906119c0
YW		 1446 if (mode == STATUS_DOMAIN)
1447 return status_print_strv_ifindex(ifindex, name, link_info.domains);
a7a4c60a 1448
906119c0
YW		 1449 if (mode == STATUS_NTA)
1450 return status_print_strv_ifindex(ifindex, name, link_info.ntas);
a7a4c60a
YW		 1451
1452 if (mode == STATUS_LLMNR) {
1453 printf("%sLink %i (%s)%s: %s\n",
1454 ansi_highlight(), ifindex, name, ansi_normal(),
1455 strna(link_info.llmnr));
1456
906119c0 1457 return 0;
a7a4c60a
YW		 1458 }
1459
1460 if (mode == STATUS_MDNS) {
1461 printf("%sLink %i (%s)%s: %s\n",
1462 ansi_highlight(), ifindex, name, ansi_normal(),
1463 strna(link_info.mdns));
1464
906119c0 1465 return 0;
a7a4c60a
YW		 1466 }
1467
d050561a
IT		 1468 if (mode == STATUS_PRIVATE) {
1469 printf("%sLink %i (%s)%s: %s\n",
1470 ansi_highlight(), ifindex, name, ansi_normal(),
c9299be2 1471 strna(link_info.dns_over_tls));
d050561a 1472
906119c0 1473 return 0;
d050561a
IT		 1474 }
1475
a7a4c60a
YW		 1476 if (mode == STATUS_DNSSEC) {
1477 printf("%sLink %i (%s)%s: %s\n",
1478 ansi_highlight(), ifindex, name, ansi_normal(),
1479 strna(link_info.dnssec));
1480
906119c0 1481 return 0;
a7a4c60a
YW		 1482 }
1483
1484 if (empty_line && *empty_line)
be371fe0
LP		 1485 fputc('\n', stdout);
1486
1487 printf("%sLink %i (%s)%s\n",
1488 ansi_highlight(), ifindex, name, ansi_normal());
1489
1490 if (link_info.scopes_mask == 0)
1491 printf(" Current Scopes: none\n");
1492 else
1493 printf(" Current Scopes:%s%s%s%s%s\n",
1494 link_info.scopes_mask & SD_RESOLVED_DNS ? " DNS" : "",
1495 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
1496 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
1497 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
1498 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
1499
1500 printf(" LLMNR setting: %s\n"
1501 "MulticastDNS setting: %s\n"
c9299be2 1502 " DNSOverTLS setting: %s\n"
be371fe0 1503 " DNSSEC setting: %s\n"
c369f207 1504 " DNSSEC supported: %s\n",
be371fe0
LP		 1505 strna(link_info.llmnr),
1506 strna(link_info.mdns),
c9299be2 1507 strna(link_info.dns_over_tls),
be371fe0 1508 strna(link_info.dnssec),
c369f207
YW		 1509 yes_no(link_info.dnssec_supported));
1510
1511 if (link_info.current_dns)
1512 printf(" Current DNS Server: %s\n", link_info.current_dns);
be371fe0
LP		 1513
1514 STRV_FOREACH(i, link_info.dns) {
7b7c1aac
ZJS		 1515 printf(" %s %s\n",
1516 i == link_info.dns ? "DNS Servers:" : " ",
be371fe0
LP		 1517 *i);
1518 }
1519
1520 STRV_FOREACH(i, link_info.domains) {
1521 printf(" %s %s\n",
1522 i == link_info.domains ? "DNS Domain:" : " ",
1523 *i);
1524 }
1525
1526 STRV_FOREACH(i, link_info.ntas) {
1527 printf(" %s %s\n",
1528 i == link_info.ntas ? "DNSSEC NTA:" : " ",
1529 *i);
1530 }
1531
a7a4c60a
YW		 1532 if (empty_line)
1533 *empty_line = true;
be371fe0 1534
906119c0 1535 return 0;
be371fe0
LP		 1536}
1537
1538static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1539 char ***l = userdata;
1540 int r;
1541
1542 assert(bus);
1543 assert(member);
1544 assert(m);
1545 assert(l);
1546
1547 r = sd_bus_message_enter_container(m, 'a', "(iiay)");
1548 if (r < 0)
1549 return r;
1550
1551 for (;;) {
58f48a56 1552 char *pretty = NULL;
be371fe0 1553
58f48a56 1554 r = read_dns_server_one(m, true, &pretty);
be371fe0
LP		 1555 if (r < 0)
1556 return r;
1557 if (r == 0)
1558 break;
1559
58f48a56 1560 if (isempty(pretty))
be371fe0
LP		 1561 continue;
1562
be371fe0
LP		 1563 r = strv_consume(l, pretty);
1564 if (r < 0)
1565 return r;
1566 }
1567
1568 r = sd_bus_message_exit_container(m);
1569 if (r < 0)
1570 return r;
1571
1572 return 0;
1573}
1574
446c6415
YW		 1575static int map_global_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1576 assert(m);
1577 assert(userdata);
1578
1579 return read_dns_server_one(m, true, userdata);
1580}
1581
be371fe0
LP		 1582static int map_global_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1583 char ***l = userdata;
1584 int r;
1585
1586 assert(bus);
1587 assert(member);
1588 assert(m);
1589 assert(l);
1590
1591 r = sd_bus_message_enter_container(m, 'a', "(isb)");
1592 if (r < 0)
1593 return r;
1594
1595 for (;;) {
c513bb6e 1596 char *pretty = NULL;
be371fe0 1597
c513bb6e 1598 r = read_domain_one(m, true, &pretty);
be371fe0
LP		 1599 if (r < 0)
1600 return r;
1601 if (r == 0)
1602 break;
1603
c513bb6e 1604 if (isempty(pretty))
be371fe0
LP		 1605 continue;
1606
be371fe0
LP		 1607 r = strv_consume(l, pretty);
1608 if (r < 0)
1609 return r;
1610 }
1611
1612 r = sd_bus_message_exit_container(m);
1613 if (r < 0)
1614 return r;
1615
1616 return 0;
1617}
1618
a7a4c60a
YW		 1619static int status_print_strv_global(char **p) {
1620 char **i;
1621
1622 printf("%sGlobal%s:", ansi_highlight(), ansi_normal());
1623
1624 STRV_FOREACH(i, p)
1625 printf(" %s", *i);
1626
1627 printf("\n");
1628
1629 return 0;
1630}
1631
906119c0
YW		 1632struct global_info {
1633 char *current_dns;
1634 char **dns;
1635 char **fallback_dns;
1636 char **domains;
1637 char **ntas;
1638 const char *llmnr;
1639 const char *mdns;
1640 const char *dns_over_tls;
1641 const char *dnssec;
1642 bool dnssec_supported;
1643};
1644
1645static void global_info_clear(struct global_info *p) {
1646 free(p->current_dns);
1647 strv_free(p->dns);
1648 strv_free(p->fallback_dns);
1649 strv_free(p->domains);
1650 strv_free(p->ntas);
1651}
be371fe0 1652
906119c0 1653static int status_global(sd_bus *bus, StatusMode mode, bool *empty_line) {
be371fe0 1654 static const struct bus_properties_map property_map[] = {
446c6415 1655 { "DNS", "a(iiay)", map_global_dns_servers, offsetof(struct global_info, dns) },
4b320ac5 1656 { "FallbackDNS", "a(iiay)", map_global_dns_servers, offsetof(struct global_info, fallback_dns) },
446c6415
YW		 1657 { "CurrentDNSServer", "(iiay)", map_global_current_dns_server, offsetof(struct global_info, current_dns) },
1658 { "Domains", "a(isb)", map_global_domains, offsetof(struct global_info, domains) },
1659 { "DNSSECNegativeTrustAnchors", "as", NULL, offsetof(struct global_info, ntas) },
1660 { "LLMNR", "s", NULL, offsetof(struct global_info, llmnr) },
1661 { "MulticastDNS", "s", NULL, offsetof(struct global_info, mdns) },
c9299be2 1662 { "DNSOverTLS", "s", NULL, offsetof(struct global_info, dns_over_tls) },
446c6415
YW		 1663 { "DNSSEC", "s", NULL, offsetof(struct global_info, dnssec) },
1664 { "DNSSECSupported", "b", NULL, offsetof(struct global_info, dnssec_supported) },
be371fe0
LP		 1665 {}
1666 };
f9e0eefc 1667 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
f37f8a61 1668 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
906119c0 1669 _cleanup_(global_info_clear) struct global_info global_info = {};
be371fe0
LP		 1670 char **i;
1671 int r;
1672
1673 assert(bus);
1674 assert(empty_line);
1675
1676 r = bus_map_all_properties(bus,
1677 "org.freedesktop.resolve1",
1678 "/org/freedesktop/resolve1",
1679 property_map,
a7e4861c 1680 BUS_MAP_BOOLEAN_AS_BOOL,
f9e0eefc 1681 &error,
f37f8a61 1682 &m,
be371fe0 1683 &global_info);
906119c0
YW		 1684 if (r < 0)
1685 return log_error_errno(r, "Failed to get global data: %s", bus_error_message(&error, r));
be371fe0 1686
ee5324aa 1687 (void) pager_open(arg_no_pager, false);
be371fe0 1688
906119c0
YW		 1689 if (mode == STATUS_DNS)
1690 return status_print_strv_global(global_info.dns);
a7a4c60a 1691
906119c0
YW		 1692 if (mode == STATUS_DOMAIN)
1693 return status_print_strv_global(global_info.domains);
a7a4c60a 1694
906119c0
YW		 1695 if (mode == STATUS_NTA)
1696 return status_print_strv_global(global_info.ntas);
a7a4c60a
YW		 1697
1698 if (mode == STATUS_LLMNR) {
1699 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1700 strna(global_info.llmnr));
1701
906119c0 1702 return 0;
a7a4c60a
YW		 1703 }
1704
1705 if (mode == STATUS_MDNS) {
1706 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1707 strna(global_info.mdns));
1708
906119c0 1709 return 0;
a7a4c60a
YW		 1710 }
1711
d050561a
IT		 1712 if (mode == STATUS_PRIVATE) {
1713 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
c9299be2 1714 strna(global_info.dns_over_tls));
d050561a 1715
906119c0 1716 return 0;
d050561a
IT		 1717 }
1718
a7a4c60a
YW		 1719 if (mode == STATUS_DNSSEC) {
1720 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1721 strna(global_info.dnssec));
1722
906119c0 1723 return 0;
a7a4c60a
YW		 1724 }
1725
be371fe0 1726 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
11d6e9e9
YW		 1727
1728 printf(" LLMNR setting: %s\n"
1729 "MulticastDNS setting: %s\n"
c9299be2 1730 " DNSOverTLS setting: %s\n"
11d6e9e9 1731 " DNSSEC setting: %s\n"
c369f207 1732 " DNSSEC supported: %s\n",
11d6e9e9
YW		 1733 strna(global_info.llmnr),
1734 strna(global_info.mdns),
c9299be2 1735 strna(global_info.dns_over_tls),
11d6e9e9 1736 strna(global_info.dnssec),
c369f207
YW		 1737 yes_no(global_info.dnssec_supported));
1738
1739 if (global_info.current_dns)
1740 printf(" Current DNS Server: %s\n", global_info.current_dns);
11d6e9e9 1741
be371fe0 1742 STRV_FOREACH(i, global_info.dns) {
7b7c1aac
ZJS		 1743 printf(" %s %s\n",
1744 i == global_info.dns ? "DNS Servers:" : " ",
be371fe0
LP		 1745 *i);
1746 }
1747
4b320ac5
YW		 1748 STRV_FOREACH(i, global_info.fallback_dns) {
1749 printf("%s %s\n",
1750 i == global_info.fallback_dns ? "Fallback DNS Servers:" : " ",
1751 *i);
1752 }
1753
be371fe0
LP		 1754 STRV_FOREACH(i, global_info.domains) {
1755 printf(" %s %s\n",
1756 i == global_info.domains ? "DNS Domain:" : " ",
1757 *i);
1758 }
1759
1760 strv_sort(global_info.ntas);
1761 STRV_FOREACH(i, global_info.ntas) {
1762 printf(" %s %s\n",
1763 i == global_info.ntas ? "DNSSEC NTA:" : " ",
1764 *i);
1765 }
1766
1767 *empty_line = true;
1768
906119c0 1769 return 0;
be371fe0
LP		 1770}
1771
a7a4c60a 1772static int status_all(sd_bus *bus, StatusMode mode) {
be371fe0
LP		 1773 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
1774 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1775 sd_netlink_message *i;
96ace31d 1776 bool empty_line = false;
be371fe0
LP		 1777 int r;
1778
1779 assert(bus);
1780
a7a4c60a 1781 r = status_global(bus, mode, &empty_line);
be371fe0
LP		 1782 if (r < 0)
1783 return r;
1784
1785 r = sd_netlink_open(&rtnl);
1786 if (r < 0)
1787 return log_error_errno(r, "Failed to connect to netlink: %m");
1788
1789 r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
1790 if (r < 0)
1791 return rtnl_log_create_error(r);
1792
1793 r = sd_netlink_message_request_dump(req, true);
1794 if (r < 0)
1795 return rtnl_log_create_error(r);
1796
1797 r = sd_netlink_call(rtnl, req, 0, &reply);
1798 if (r < 0)
1799 return log_error_errno(r, "Failed to enumerate links: %m");
1800
1801 r = 0;
1802 for (i = reply; i; i = sd_netlink_message_next(i)) {
1803 const char *name;
1804 int ifindex, q;
1805 uint16_t type;
1806
1807 q = sd_netlink_message_get_type(i, &type);
1808 if (q < 0)
1809 return rtnl_log_parse_error(q);
1810
1811 if (type != RTM_NEWLINK)
1812 continue;
1813
1814 q = sd_rtnl_message_link_get_ifindex(i, &ifindex);
1815 if (q < 0)
1816 return rtnl_log_parse_error(q);
1817
1818 if (ifindex == LOOPBACK_IFINDEX)
1819 continue;
1820
1821 q = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
1822 if (q < 0)
1823 return rtnl_log_parse_error(q);
1824
a7a4c60a 1825 q = status_ifindex(bus, ifindex, name, mode, &empty_line);
be371fe0
LP		 1826 if (q < 0 && r >= 0)
1827 r = q;
1828 }
1829
1830 return r;
1831}
1832
a7a4c60a
YW		 1833static int verb_status(int argc, char **argv, void *userdata) {
1834 sd_bus *bus = userdata;
1835 int q, r = 0;
14965b94 1836
a7a4c60a
YW		 1837 if (argc > 1) {
1838 char **ifname;
1839 bool empty_line = false;
14965b94 1840
a7a4c60a
YW		 1841 STRV_FOREACH(ifname, argv + 1) {
1842 int ifindex;
14965b94 1843
a661dc36 1844 ifindex = parse_ifindex_and_warn(*ifname);
a7a4c60a
YW		 1845 if (ifindex < 0)
1846 continue;
14965b94 1847
a7a4c60a
YW		 1848 q = status_ifindex(bus, ifindex, NULL, STATUS_ALL, &empty_line);
1849 if (q < 0)
1850 r = q;
1851 }
1852 } else
1853 r = status_all(bus, STATUS_ALL);
14965b94 1854
a7a4c60a
YW		 1855 return r;
1856}
14965b94 1857
a7a4c60a
YW		 1858static int log_interface_is_managed(int r, int ifindex) {
1859 char ifname[IFNAMSIZ];
14965b94 1860
a7a4c60a
YW		 1861 return log_error_errno(r,
1862 "The specified interface %s is managed by systemd-networkd. Operation refused.\n"
1863 "Please configure DNS settings for systemd-networkd managed interfaces directly in their .network files.",
1864 strna(if_indextoname(ifindex, ifname)));
1865}
14965b94 1866
a7a4c60a
YW		 1867static int verb_dns(int argc, char **argv, void *userdata) {
1868 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1869 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
1870 sd_bus *bus = userdata;
a7a4c60a 1871 char **p;
a661dc36 1872 int r;
14965b94 1873
a7a4c60a 1874 assert(bus);
14965b94 1875
a7a4c60a
YW		 1876 if (argc <= 1)
1877 return status_all(bus, STATUS_DNS);
14965b94 1878
a661dc36
YW		 1879 r = ifname_mangle(argv[1], false);
1880 if (r < 0)
1881 return r;
14965b94 1882
a7a4c60a 1883 if (argc == 2)
a661dc36 1884 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNS, NULL);
14965b94 1885
a7a4c60a
YW		 1886 r = sd_bus_message_new_method_call(
1887 bus,
1888 &req,
1889 "org.freedesktop.resolve1",
1890 "/org/freedesktop/resolve1",
1891 "org.freedesktop.resolve1.Manager",
1892 "SetLinkDNS");
1893 if (r < 0)
1894 return bus_log_create_error(r);
14965b94 1895
a661dc36 1896 r = sd_bus_message_append(req, "i", arg_ifindex);
a7a4c60a
YW		 1897 if (r < 0)
1898 return bus_log_create_error(r);
14965b94 1899
a7a4c60a
YW		 1900 r = sd_bus_message_open_container(req, 'a', "(iay)");
1901 if (r < 0)
1902 return bus_log_create_error(r);
14965b94 1903
06c28aa0
FB		 1904 /* If only argument is the empty string, then call SetLinkDNS() with an
1905 * empty list, which will clear the list of domains for an interface. */
1906 if (!strv_equal(argv + 2, STRV_MAKE(""))) {
1907 STRV_FOREACH(p, argv + 2) {
1908 struct in_addr_data data;
14965b94 1909
06c28aa0
FB		 1910 r = in_addr_from_string_auto(*p, &data.family, &data.address);
1911 if (r < 0)
1912 return log_error_errno(r, "Failed to parse DNS server address: %s", *p);
14965b94 1913
06c28aa0
FB		 1914 r = sd_bus_message_open_container(req, 'r', "iay");
1915 if (r < 0)
1916 return bus_log_create_error(r);
14965b94 1917
06c28aa0
FB		 1918 r = sd_bus_message_append(req, "i", data.family);
1919 if (r < 0)
1920 return bus_log_create_error(r);
14965b94 1921
06c28aa0
FB		 1922 r = sd_bus_message_append_array(req, 'y', &data.address, FAMILY_ADDRESS_SIZE(data.family));
1923 if (r < 0)
1924 return bus_log_create_error(r);
a7a4c60a 1925
06c28aa0
FB		 1926 r = sd_bus_message_close_container(req);
1927 if (r < 0)
1928 return bus_log_create_error(r);
1929 }
14965b94
LP		 1930 }
1931
a7a4c60a
YW		 1932 r = sd_bus_message_close_container(req);
1933 if (r < 0)
1934 return bus_log_create_error(r);
1935
1936 r = sd_bus_call(bus, req, 0, &error, NULL);
1937 if (r < 0) {
1938 if (sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY))
a661dc36 1939 return log_interface_is_managed(r, arg_ifindex);
a7a4c60a
YW		 1940
1941 if (arg_ifindex_permissive &&
1942 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
1943 return 0;
1944
1945 return log_error_errno(r, "Failed to set DNS configuration: %s", bus_error_message(&error, r));
14965b94
LP		 1946 }
1947
a7a4c60a
YW		 1948 return 0;
1949}
1950
1951static int verb_domain(int argc, char **argv, void *userdata) {
1952 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1953 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
1954 sd_bus *bus = userdata;
a7a4c60a 1955 char **p;
a661dc36 1956 int r;
a7a4c60a
YW		 1957
1958 assert(bus);
1959
1960 if (argc <= 1)
1961 return status_all(bus, STATUS_DOMAIN);
1962
a661dc36
YW		 1963 r = ifname_mangle(argv[1], false);
1964 if (r < 0)
1965 return r;
14965b94 1966
a7a4c60a 1967 if (argc == 2)
a661dc36 1968 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DOMAIN, NULL);
14965b94 1969
a7a4c60a
YW		 1970 r = sd_bus_message_new_method_call(
1971 bus,
1972 &req,
1973 "org.freedesktop.resolve1",
1974 "/org/freedesktop/resolve1",
1975 "org.freedesktop.resolve1.Manager",
1976 "SetLinkDomains");
1977 if (r < 0)
1978 return bus_log_create_error(r);
14965b94 1979
a661dc36 1980 r = sd_bus_message_append(req, "i", arg_ifindex);
a7a4c60a
YW		 1981 if (r < 0)
1982 return bus_log_create_error(r);
14965b94 1983
a7a4c60a
YW		 1984 r = sd_bus_message_open_container(req, 'a', "(sb)");
1985 if (r < 0)
1986 return bus_log_create_error(r);
1987
06c28aa0
FB		 1988 /* If only argument is the empty string, then call SetLinkDomains() with an
1989 * empty list, which will clear the list of domains for an interface. */
1990 if (!strv_equal(argv + 2, STRV_MAKE(""))) {
1991 STRV_FOREACH(p, argv + 2) {
1992 const char *n;
14965b94 1993
06c28aa0 1994 n = **p == '~' ? *p + 1 : *p;
14965b94 1995
06c28aa0
FB		 1996 r = dns_name_is_valid(n);
1997 if (r < 0)
1998 return log_error_errno(r, "Failed to validate specified domain %s: %m", n);
1999 if (r == 0) {
2000 log_error("Domain not valid: %s", n);
2001 return -EINVAL;
2002 }
a7a4c60a 2003
06c28aa0
FB		 2004 r = sd_bus_message_append(req, "(sb)", n, **p == '~');
2005 if (r < 0)
2006 return bus_log_create_error(r);
2007 }
14965b94
LP		 2008 }
2009
a7a4c60a
YW		 2010 r = sd_bus_message_close_container(req);
2011 if (r < 0)
2012 return bus_log_create_error(r);
2013
2014 r = sd_bus_call(bus, req, 0, &error, NULL);
2015 if (r < 0) {
2016 if (sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY))
a661dc36 2017 return log_interface_is_managed(r, arg_ifindex);
14965b94 2018
a7a4c60a
YW		 2019 if (arg_ifindex_permissive &&
2020 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2021 return 0;
14965b94 2022
a7a4c60a 2023 return log_error_errno(r, "Failed to set domain configuration: %s", bus_error_message(&error, r));
14965b94 2024 }
a7a4c60a
YW		 2025
2026 return 0;
14965b94
LP		 2027}
2028
a7a4c60a 2029static int verb_llmnr(int argc, char **argv, void *userdata) {
14965b94 2030 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
a7a4c60a 2031 sd_bus *bus = userdata;
a661dc36 2032 int r;
14965b94
LP		 2033
2034 assert(bus);
2035
a7a4c60a
YW		 2036 if (argc <= 1)
2037 return status_all(bus, STATUS_LLMNR);
2038
a661dc36
YW		 2039 r = ifname_mangle(argv[1], false);
2040 if (r < 0)
2041 return r;
a7a4c60a
YW		 2042
2043 if (argc == 2)
a661dc36 2044 return status_ifindex(bus, arg_ifindex, NULL, STATUS_LLMNR, NULL);
a7a4c60a 2045
14965b94
LP		 2046 r = sd_bus_call_method(bus,
2047 "org.freedesktop.resolve1",
2048 "/org/freedesktop/resolve1",
2049 "org.freedesktop.resolve1.Manager",
a7a4c60a 2050 "SetLinkLLMNR",
14965b94
LP		 2051 &error,
2052 NULL,
a661dc36 2053 "is", arg_ifindex, argv[2]);
088c1363 2054 if (r < 0) {
a7a4c60a 2055 if (sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY))
a661dc36 2056 return log_interface_is_managed(r, arg_ifindex);
a7a4c60a 2057
088c1363
LP		 2058 if (arg_ifindex_permissive &&
2059 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2060 return 0;
2061
a7a4c60a 2062 return log_error_errno(r, "Failed to set LLMNR configuration: %s", bus_error_message(&error, r));
088c1363 2063 }
14965b94
LP		 2064
2065 return 0;
2066}
2067
a7a4c60a
YW		 2068static int verb_mdns(int argc, char **argv, void *userdata) {
2069 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2070 sd_bus *bus = userdata;
a661dc36 2071 int r;
ba82da3b 2072
a7a4c60a 2073 assert(bus);
b93312f5 2074
a7a4c60a
YW		 2075 if (argc <= 1)
2076 return status_all(bus, STATUS_MDNS);
2077
a661dc36
YW		 2078 r = ifname_mangle(argv[1], false);
2079 if (r < 0)
2080 return r;
a7a4c60a
YW		 2081
2082 if (argc == 2)
a661dc36 2083 return status_ifindex(bus, arg_ifindex, NULL, STATUS_MDNS, NULL);
a7a4c60a
YW		 2084
2085 r = sd_bus_call_method(bus,
2086 "org.freedesktop.resolve1",
2087 "/org/freedesktop/resolve1",
2088 "org.freedesktop.resolve1.Manager",
2089 "SetLinkMulticastDNS",
2090 &error,
2091 NULL,
a661dc36 2092 "is", arg_ifindex, argv[2]);
a7a4c60a
YW		 2093 if (r < 0) {
2094 if (sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY))
a661dc36 2095 return log_interface_is_managed(r, arg_ifindex);
a7a4c60a
YW		 2096
2097 if (arg_ifindex_permissive &&
2098 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2099 return 0;
2100
2101 return log_error_errno(r, "Failed to set MulticastDNS configuration: %s", bus_error_message(&error, r));
2102 }
2103
2104 return 0;
2105}
2106
c9299be2 2107static int verb_dns_over_tls(int argc, char **argv, void *userdata) {
d050561a
IT		 2108 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2109 sd_bus *bus = userdata;
a661dc36 2110 int r;
d050561a
IT		 2111
2112 assert(bus);
2113
2114 if (argc <= 1)
2115 return status_all(bus, STATUS_PRIVATE);
2116
a661dc36
YW		 2117 r = ifname_mangle(argv[1], false);
2118 if (r < 0)
2119 return r;
d050561a
IT		 2120
2121 if (argc == 2)
a661dc36 2122 return status_ifindex(bus, arg_ifindex, NULL, STATUS_PRIVATE, NULL);
d050561a
IT		 2123
2124 r = sd_bus_call_method(bus,
2125 "org.freedesktop.resolve1",
2126 "/org/freedesktop/resolve1",
2127 "org.freedesktop.resolve1.Manager",
c9299be2 2128 "SetLinkDNSOverTLS",
d050561a
IT		 2129 &error,
2130 NULL,
a661dc36 2131 "is", arg_ifindex, argv[2]);
d050561a
IT		 2132 if (r < 0) {
2133 if (sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY))
a661dc36 2134 return log_interface_is_managed(r, arg_ifindex);
d050561a
IT		 2135
2136 if (arg_ifindex_permissive &&
2137 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2138 return 0;
2139
c9299be2 2140 return log_error_errno(r, "Failed to set DNSOverTLS configuration: %s", bus_error_message(&error, r));
d050561a
IT		 2141 }
2142
2143 return 0;
2144}
2145
a7a4c60a
YW		 2146static int verb_dnssec(int argc, char **argv, void *userdata) {
2147 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2148 sd_bus *bus = userdata;
a661dc36 2149 int r;
a7a4c60a
YW		 2150
2151 assert(bus);
2152
2153 if (argc <= 1)
2154 return status_all(bus, STATUS_DNSSEC);
2155
a661dc36
YW		 2156 r = ifname_mangle(argv[1], false);
2157 if (r < 0)
2158 return r;
a7a4c60a
YW		 2159
2160 if (argc == 2)
a661dc36 2161 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNSSEC, NULL);
a7a4c60a
YW		 2162
2163 r = sd_bus_call_method(bus,
2164 "org.freedesktop.resolve1",
2165 "/org/freedesktop/resolve1",
2166 "org.freedesktop.resolve1.Manager",
2167 "SetLinkDNSSEC",
2168 &error,
2169 NULL,
a661dc36 2170 "is", arg_ifindex, argv[2]);
a7a4c60a
YW		 2171 if (r < 0) {
2172 if (sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY))
a661dc36 2173 return log_interface_is_managed(r, arg_ifindex);
a7a4c60a
YW		 2174
2175 if (arg_ifindex_permissive &&
2176 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2177 return 0;
2178
2179 return log_error_errno(r, "Failed to set DNSSEC configuration: %s", bus_error_message(&error, r));
2180 }
2181
2182 return 0;
2183}
2184
2185static int verb_nta(int argc, char **argv, void *userdata) {
2186 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2187 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2188 sd_bus *bus = userdata;
a661dc36
YW		 2189 char **p;
2190 int r;
06c28aa0 2191 bool clear;
a7a4c60a
YW		 2192
2193 assert(bus);
2194
2195 if (argc <= 1)
2196 return status_all(bus, STATUS_NTA);
2197
a661dc36
YW		 2198 r = ifname_mangle(argv[1], false);
2199 if (r < 0)
2200 return r;
a7a4c60a
YW		 2201
2202 if (argc == 2)
a661dc36 2203 return status_ifindex(bus, arg_ifindex, NULL, STATUS_NTA, NULL);
a7a4c60a 2204
06c28aa0
FB		 2205 /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
2206 * with an empty list, which will clear the list of domains for an interface. */
2207 clear = strv_equal(argv + 2, STRV_MAKE(""));
2208
2209 if (!clear)
2210 STRV_FOREACH(p, argv + 2) {
2211 r = dns_name_is_valid(*p);
2212 if (r < 0)
2213 return log_error_errno(r, "Failed to validate specified domain %s: %m", *p);
2214 if (r == 0) {
2215 log_error("Domain not valid: %s", *p);
2216 return -EINVAL;
2217 }
a7a4c60a 2218 }
a7a4c60a
YW		 2219
2220 r = sd_bus_message_new_method_call(
2221 bus,
2222 &req,
2223 "org.freedesktop.resolve1",
2224 "/org/freedesktop/resolve1",
2225 "org.freedesktop.resolve1.Manager",
2226 "SetLinkDNSSECNegativeTrustAnchors");
2227 if (r < 0)
2228 return bus_log_create_error(r);
2229
a661dc36 2230 r = sd_bus_message_append(req, "i", arg_ifindex);
a7a4c60a
YW		 2231 if (r < 0)
2232 return bus_log_create_error(r);
2233
06c28aa0 2234 r = sd_bus_message_append_strv(req, clear ? NULL : argv + 2);
a7a4c60a
YW		 2235 if (r < 0)
2236 return bus_log_create_error(r);
2237
2238 r = sd_bus_call(bus, req, 0, &error, NULL);
2239 if (r < 0) {
2240 if (sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY))
a661dc36 2241 return log_interface_is_managed(r, arg_ifindex);
a7a4c60a
YW		 2242
2243 if (arg_ifindex_permissive &&
2244 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2245 return 0;
2246
2247 return log_error_errno(r, "Failed to set DNSSEC NTA configuration: %s", bus_error_message(&error, r));
2248 }
2249
2250 return 0;
2251}
2252
2253static int verb_revert_link(int argc, char **argv, void *userdata) {
2254 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2255 sd_bus *bus = userdata;
a661dc36 2256 int r;
a7a4c60a
YW		 2257
2258 assert(bus);
2259
a661dc36
YW		 2260 r = ifname_mangle(argv[1], false);
2261 if (r < 0)
2262 return r;
a7a4c60a
YW		 2263
2264 r = sd_bus_call_method(bus,
2265 "org.freedesktop.resolve1",
2266 "/org/freedesktop/resolve1",
2267 "org.freedesktop.resolve1.Manager",
2268 "RevertLink",
2269 &error,
2270 NULL,
a661dc36 2271 "i", arg_ifindex);
a7a4c60a
YW		 2272 if (r < 0) {
2273 if (arg_ifindex_permissive &&
2274 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2275 return 0;
2276
2277 return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
2278 }
2279
2280 return 0;
2281}
2282
2283static void help_protocol_types(void) {
2284 if (arg_legend)
2285 puts("Known protocol types:");
2286 puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmdns-ipv4\nmdns-ipv6");
2287}
2288
2289static void help_dns_types(void) {
a7a4c60a
YW		 2290 if (arg_legend)
2291 puts("Known DNS RR types:");
5c828e66
LP		 2292
2293 DUMP_STRING_TABLE(dns_type, int, _DNS_TYPE_MAX);
b93312f5
ZJS		 2294}
2295
2296static void help_dns_classes(void) {
b93312f5 2297 if (arg_legend)
09b1fe14 2298 puts("Known DNS RR classes:");
5c828e66
LP		 2299
2300 DUMP_STRING_TABLE(dns_class, int, _DNS_CLASS_MAX);
b93312f5
ZJS		 2301}
2302
a7a4c60a 2303static void compat_help(void) {
1ace2438
ZJS		 2304 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
2305 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
2306 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
2307 "%1$s [OPTIONS...] --statistics\n"
2308 "%1$s [OPTIONS...] --reset-statistics\n"
2309 "\n"
90b4a64d 2310 "Resolve domain names, IPv4 and IPv6 addresses, DNS records, and services.\n\n"
1ace2438
ZJS		 2311 " -h --help Show this help\n"
2312 " --version Show package version\n"
be371fe0 2313 " --no-pager Do not pipe output into a pager\n"
1ace2438
ZJS		 2314 " -4 Resolve IPv4 addresses\n"
2315 " -6 Resolve IPv6 addresses\n"
2316 " -i --interface=INTERFACE Look on interface\n"
2317 " -p --protocol=PROTO|help Look via protocol\n"
2318 " -t --type=TYPE|help Query RR with DNS type\n"
2319 " -c --class=CLASS|help Query RR with DNS class\n"
2320 " --service Resolve service (SRV)\n"
2321 " --service-address=BOOL Resolve address for services (default: yes)\n"
2322 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2323 " --openpgp Query OpenPGP public key\n"
82d1d240 2324 " --tlsa Query TLS public key\n"
1ace2438
ZJS		 2325 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2326 " --search=BOOL Use search domains for single-label names\n"
2327 " (default: yes)\n"
dab48ea6 2328 " --raw[=payload|packet] Dump the answer as binary data\n"
1ace2438
ZJS		 2329 " --legend=BOOL Print headers and additional info (default: yes)\n"
2330 " --statistics Show resolver statistics\n"
2331 " --reset-statistics Reset resolver statistics\n"
be371fe0 2332 " --status Show link and server status\n"
ba35662f 2333 " --flush-caches Flush all local DNS caches\n"
d55b0463
LP		 2334 " --reset-server-features\n"
2335 " Forget learnt DNS server feature levels\n"
14965b94
LP		 2336 " --set-dns=SERVER Set per-interface DNS server address\n"
2337 " --set-domain=DOMAIN Set per-interface search domain\n"
2338 " --set-llmnr=MODE Set per-interface LLMNR mode\n"
2339 " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
c9299be2 2340 " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
14965b94
LP		 2341 " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
2342 " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
2343 " --revert Revert per-interface configuration\n"
1ace2438 2344 , program_invocation_short_name);
bdef7319
ZJS		 2345}
2346
a7a4c60a
YW		 2347static void native_help(void) {
2348 printf("%1$s [OPTIONS...] {COMMAND} ...\n"
2349 "\n"
2350 "Send control commands to the network name resolution manager, or\n"
2351 "resolve domain names, IPv4 and IPv6 addresses, DNS records, and services.\n"
2352 "\n"
2353 " -h --help Show this help\n"
2354 " --version Show package version\n"
2355 " --no-pager Do not pipe output into a pager\n"
2356 " -4 Resolve IPv4 addresses\n"
2357 " -6 Resolve IPv6 addresses\n"
2358 " -i --interface=INTERFACE Look on interface\n"
2359 " -p --protocol=PROTO|help Look via protocol\n"
2360 " -t --type=TYPE|help Query RR with DNS type\n"
2361 " -c --class=CLASS|help Query RR with DNS class\n"
2362 " --service-address=BOOL Resolve address for services (default: yes)\n"
2363 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2364 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2365 " --search=BOOL Use search domains for single-label names\n"
2366 " (default: yes)\n"
2367 " --raw[=payload|packet] Dump the answer as binary data\n"
2368 " --legend=BOOL Print headers and additional info (default: yes)\n"
2369 "\n"
2370 "Commands:\n"
2371 " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
2372 " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
2373 " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
2374 " tlsa DOMAIN[:PORT]... Query TLS public key\n"
2375 " status [LINK...] Show link and server status\n"
2376 " statistics Show resolver statistics\n"
2377 " reset-statistics Reset resolver statistics\n"
2378 " flush-caches Flush all local DNS caches\n"
2379 " reset-server-features Forget learnt DNS server feature levels\n"
2380 " dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
2381 " domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
2382 " llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
2383 " mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
c9299be2 2384 " dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
a7a4c60a
YW		 2385 " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
2386 " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
2387 " revert LINK Revert per-interface configuration\n"
2388 , program_invocation_short_name);
2389}
2390
2391static int verb_help(int argc, char **argv, void *userdata) {
2392 native_help();
2393 return 0;
2394}
2395
2396static int compat_parse_argv(int argc, char *argv[]) {
bdef7319
ZJS		 2397 enum {
2398 ARG_VERSION = 0x100,
dad29dff 2399 ARG_LEGEND,
45ec7efb
LP		 2400 ARG_SERVICE,
2401 ARG_CNAME,
2402 ARG_SERVICE_ADDRESS,
2403 ARG_SERVICE_TXT,
4ac2ca1b 2404 ARG_OPENPGP,
82d1d240 2405 ARG_TLSA,
2e74028a 2406 ARG_RAW,
801ad6a6 2407 ARG_SEARCH,
a150ff5e
LP		 2408 ARG_STATISTICS,
2409 ARG_RESET_STATISTICS,
be371fe0 2410 ARG_STATUS,
ba35662f 2411 ARG_FLUSH_CACHES,
d55b0463 2412 ARG_RESET_SERVER_FEATURES,
be371fe0 2413 ARG_NO_PAGER,
14965b94
LP		 2414 ARG_SET_DNS,
2415 ARG_SET_DOMAIN,
2416 ARG_SET_LLMNR,
2417 ARG_SET_MDNS,
d050561a 2418 ARG_SET_PRIVATE,
14965b94
LP		 2419 ARG_SET_DNSSEC,
2420 ARG_SET_NTA,
2421 ARG_REVERT_LINK,
bdef7319
ZJS		 2422 };
2423
2424 static const struct option options[] = {
d55b0463
LP		 2425 { "help", no_argument, NULL, 'h' },
2426 { "version", no_argument, NULL, ARG_VERSION },
2427 { "type", required_argument, NULL, 't' },
2428 { "class", required_argument, NULL, 'c' },
2429 { "legend", required_argument, NULL, ARG_LEGEND },
2430 { "interface", required_argument, NULL, 'i' },
2431 { "protocol", required_argument, NULL, 'p' },
2432 { "cname", required_argument, NULL, ARG_CNAME },
2433 { "service", no_argument, NULL, ARG_SERVICE },
2434 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2435 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2436 { "openpgp", no_argument, NULL, ARG_OPENPGP },
2437 { "tlsa", optional_argument, NULL, ARG_TLSA },
2438 { "raw", optional_argument, NULL, ARG_RAW },
2439 { "search", required_argument, NULL, ARG_SEARCH },
2440 { "statistics", no_argument, NULL, ARG_STATISTICS, },
2441 { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
2442 { "status", no_argument, NULL, ARG_STATUS },
2443 { "flush-caches", no_argument, NULL, ARG_FLUSH_CACHES },
2444 { "reset-server-features", no_argument, NULL, ARG_RESET_SERVER_FEATURES },
2445 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
14965b94
LP		 2446 { "set-dns", required_argument, NULL, ARG_SET_DNS },
2447 { "set-domain", required_argument, NULL, ARG_SET_DOMAIN },
2448 { "set-llmnr", required_argument, NULL, ARG_SET_LLMNR },
2449 { "set-mdns", required_argument, NULL, ARG_SET_MDNS },
c9299be2 2450 { "set-dnsovertls", required_argument, NULL, ARG_SET_PRIVATE },
14965b94
LP		 2451 { "set-dnssec", required_argument, NULL, ARG_SET_DNSSEC },
2452 { "set-nta", required_argument, NULL, ARG_SET_NTA },
2453 { "revert", no_argument, NULL, ARG_REVERT_LINK },
bdef7319
ZJS		 2454 {}
2455 };
2456
2d4c5cbc 2457 int c, r;
bdef7319
ZJS		 2458
2459 assert(argc >= 0);
2460 assert(argv);
2461
51323288 2462 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
bdef7319
ZJS		 2463 switch(c) {
2464
2465 case 'h':
a7a4c60a 2466 compat_help();
bdef7319
ZJS		 2467 return 0; /* done */;
2468
2469 case ARG_VERSION:
3f6fd1ba 2470 return version();
bdef7319
ZJS		 2471
2472 case '4':
2473 arg_family = AF_INET;
2474 break;
2475
2476 case '6':
2477 arg_family = AF_INET6;
2478 break;
2479
27d8af3e 2480 case 'i':
a661dc36
YW		 2481 arg_ifname = mfree(arg_ifname);
2482 r = ifname_mangle(optarg, true);
a7a4c60a
YW		 2483 if (r < 0)
2484 return r;
2d4c5cbc
LP		 2485 break;
2486
2487 case 't':
b93312f5
ZJS		 2488 if (streq(optarg, "help")) {
2489 help_dns_types();
2490 return 0;
2491 }
2492
4b548ef3
LP		 2493 r = dns_type_from_string(optarg);
2494 if (r < 0) {
2d4c5cbc 2495 log_error("Failed to parse RR record type %s", optarg);
4b548ef3 2496 return r;
2d4c5cbc 2497 }
4b548ef3
LP		 2498 arg_type = (uint16_t) r;
2499 assert((int) arg_type == r);
b93312f5 2500
a150ff5e 2501 arg_mode = MODE_RESOLVE_RECORD;
2d4c5cbc
LP		 2502 break;
2503
2504 case 'c':
b93312f5
ZJS		 2505 if (streq(optarg, "help")) {
2506 help_dns_classes();
2507 return 0;
2508 }
2509
4b548ef3 2510 r = dns_class_from_string(optarg);
2d4c5cbc
LP		 2511 if (r < 0) {
2512 log_error("Failed to parse RR record class %s", optarg);
2513 return r;
bdef7319 2514 }
4b548ef3
LP		 2515 arg_class = (uint16_t) r;
2516 assert((int) arg_class == r);
b93312f5
ZJS		 2517
2518 break;
2519
dad29dff 2520 case ARG_LEGEND:
45ec7efb
LP		 2521 r = parse_boolean(optarg);
2522 if (r < 0)
2523 return log_error_errno(r, "Failed to parse --legend= argument");
2524
2525 arg_legend = r;
bdef7319
ZJS		 2526 break;
2527
51323288 2528 case 'p':
ba82da3b
ZJS		 2529 if (streq(optarg, "help")) {
2530 help_protocol_types();
2531 return 0;
2532 } else if (streq(optarg, "dns"))
51323288
LP		 2533 arg_flags |= SD_RESOLVED_DNS;
2534 else if (streq(optarg, "llmnr"))
2535 arg_flags |= SD_RESOLVED_LLMNR;
2536 else if (streq(optarg, "llmnr-ipv4"))
2537 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
2538 else if (streq(optarg, "llmnr-ipv6"))
2539 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
062aabb9
DR		 2540 else if (streq(optarg, "mdns"))
2541 arg_flags |= SD_RESOLVED_MDNS;
2542 else if (streq(optarg, "mdns-ipv4"))
2543 arg_flags |= SD_RESOLVED_MDNS_IPV4;
2544 else if (streq(optarg, "mdns-ipv6"))
2545 arg_flags |= SD_RESOLVED_MDNS_IPV6;
51323288
LP		 2546 else {
2547 log_error("Unknown protocol specifier: %s", optarg);
2548 return -EINVAL;
2549 }
2550
2551 break;
2552
45ec7efb 2553 case ARG_SERVICE:
a150ff5e 2554 arg_mode = MODE_RESOLVE_SERVICE;
45ec7efb
LP		 2555 break;
2556
4ac2ca1b
ZJS		 2557 case ARG_OPENPGP:
2558 arg_mode = MODE_RESOLVE_OPENPGP;
2559 break;
2560
82d1d240
ZJS		 2561 case ARG_TLSA:
2562 arg_mode = MODE_RESOLVE_TLSA;
ebbc70e5
YW		 2563 if (!optarg || service_family_is_valid(optarg))
2564 arg_service_family = optarg;
2565 else {
82d1d240
ZJS		 2566 log_error("Unknown service family \"%s\".", optarg);
2567 return -EINVAL;
2568 }
2569 break;
2570
2e74028a
ZJS		 2571 case ARG_RAW:
2572 if (on_tty()) {
2573 log_error("Refusing to write binary data to tty.");
2574 return -ENOTTY;
2575 }
2576
dab48ea6
ZJS		 2577 if (optarg == NULL || streq(optarg, "payload"))
2578 arg_raw = RAW_PAYLOAD;
2579 else if (streq(optarg, "packet"))
2580 arg_raw = RAW_PACKET;
2581 else {
2582 log_error("Unknown --raw specifier \"%s\".", optarg);
2583 return -EINVAL;
2584 }
2585
2e74028a
ZJS		 2586 arg_legend = false;
2587 break;
2588
45ec7efb
LP		 2589 case ARG_CNAME:
2590 r = parse_boolean(optarg);
2591 if (r < 0)
2592 return log_error_errno(r, "Failed to parse --cname= argument.");
5883ff60 2593 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
45ec7efb
LP		 2594 break;
2595
2596 case ARG_SERVICE_ADDRESS:
2597 r = parse_boolean(optarg);
2598 if (r < 0)
2599 return log_error_errno(r, "Failed to parse --service-address= argument.");
5883ff60 2600 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
45ec7efb
LP		 2601 break;
2602
2603 case ARG_SERVICE_TXT:
2604 r = parse_boolean(optarg);
2605 if (r < 0)
2606 return log_error_errno(r, "Failed to parse --service-txt= argument.");
5883ff60 2607 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
45ec7efb
LP		 2608 break;
2609
801ad6a6
LP		 2610 case ARG_SEARCH:
2611 r = parse_boolean(optarg);
2612 if (r < 0)
2613 return log_error_errno(r, "Failed to parse --search argument.");
5883ff60 2614 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
801ad6a6
LP		 2615 break;
2616
a150ff5e
LP		 2617 case ARG_STATISTICS:
2618 arg_mode = MODE_STATISTICS;
2619 break;
2620
2621 case ARG_RESET_STATISTICS:
2622 arg_mode = MODE_RESET_STATISTICS;
2623 break;
2624
ba35662f
LP		 2625 case ARG_FLUSH_CACHES:
2626 arg_mode = MODE_FLUSH_CACHES;
2627 break;
2628
d55b0463
LP		 2629 case ARG_RESET_SERVER_FEATURES:
2630 arg_mode = MODE_RESET_SERVER_FEATURES;
2631 break;
2632
be371fe0
LP		 2633 case ARG_STATUS:
2634 arg_mode = MODE_STATUS;
2635 break;
2636
2637 case ARG_NO_PAGER:
2638 arg_no_pager = true;
2639 break;
2640
a7a4c60a
YW		 2641 case ARG_SET_DNS:
2642 r = strv_extend(&arg_set_dns, optarg);
14965b94 2643 if (r < 0)
14965b94 2644 return log_oom();
14965b94 2645
14965b94
LP		 2646 arg_mode = MODE_SET_LINK;
2647 break;
14965b94 2648
a7a4c60a 2649 case ARG_SET_DOMAIN:
14965b94
LP		 2650 r = strv_extend(&arg_set_domain, optarg);
2651 if (r < 0)
2652 return log_oom();
2653
2654 arg_mode = MODE_SET_LINK;
2655 break;
14965b94
LP		 2656
2657 case ARG_SET_LLMNR:
a7a4c60a 2658 arg_set_llmnr = optarg;
14965b94
LP		 2659 arg_mode = MODE_SET_LINK;
2660 break;
2661
2662 case ARG_SET_MDNS:
a7a4c60a 2663 arg_set_mdns = optarg;
14965b94
LP		 2664 arg_mode = MODE_SET_LINK;
2665 break;
2666
d050561a 2667 case ARG_SET_PRIVATE:
c9299be2 2668 arg_set_dns_over_tls = optarg;
d050561a
IT		 2669 arg_mode = MODE_SET_LINK;
2670 break;
2671
14965b94 2672 case ARG_SET_DNSSEC:
a7a4c60a 2673 arg_set_dnssec = optarg;
14965b94
LP		 2674 arg_mode = MODE_SET_LINK;
2675 break;
2676
2677 case ARG_SET_NTA:
14965b94
LP		 2678 r = strv_extend(&arg_set_nta, optarg);
2679 if (r < 0)
2680 return log_oom();
2681
2682 arg_mode = MODE_SET_LINK;
2683 break;
2684
2685 case ARG_REVERT_LINK:
2686 arg_mode = MODE_REVERT_LINK;
2687 break;
2688
bdef7319
ZJS		 2689 case '?':
2690 return -EINVAL;
2691
2692 default:
2693 assert_not_reached("Unhandled option");
2694 }
2695
2d4c5cbc 2696 if (arg_type == 0 && arg_class != 0) {
45ec7efb
LP		 2697 log_error("--class= may only be used in conjunction with --type=.");
2698 return -EINVAL;
2699 }
2700
82d1d240 2701 if (arg_type != 0 && arg_mode == MODE_RESOLVE_SERVICE) {
45ec7efb 2702 log_error("--service and --type= may not be combined.");
2d4c5cbc
LP		 2703 return -EINVAL;
2704 }
2705
2706 if (arg_type != 0 && arg_class == 0)
2707 arg_class = DNS_CLASS_IN;
2708
c1dafe4f
LP		 2709 if (arg_class != 0 && arg_type == 0)
2710 arg_type = DNS_TYPE_A;
2711
14965b94
LP		 2712 if (IN_SET(arg_mode, MODE_SET_LINK, MODE_REVERT_LINK)) {
2713
2714 if (arg_ifindex <= 0) {
c9299be2 2715 log_error("--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
14965b94
LP		 2716 return -EINVAL;
2717 }
2718
2719 if (arg_ifindex == LOOPBACK_IFINDEX) {
2720 log_error("Interface can't be the loopback interface (lo). Sorry.");
2721 return -EINVAL;
2722 }
2723 }
2724
bdef7319
ZJS		 2725 return 1 /* work to do */;
2726}
2727
a7a4c60a
YW		 2728static int native_parse_argv(int argc, char *argv[]) {
2729 enum {
2730 ARG_VERSION = 0x100,
2731 ARG_LEGEND,
2732 ARG_CNAME,
2733 ARG_SERVICE_ADDRESS,
2734 ARG_SERVICE_TXT,
2735 ARG_RAW,
2736 ARG_SEARCH,
2737 ARG_NO_PAGER,
2738 };
bdef7319 2739
a7a4c60a
YW		 2740 static const struct option options[] = {
2741 { "help", no_argument, NULL, 'h' },
2742 { "version", no_argument, NULL, ARG_VERSION },
2743 { "type", required_argument, NULL, 't' },
2744 { "class", required_argument, NULL, 'c' },
2745 { "legend", required_argument, NULL, ARG_LEGEND },
2746 { "interface", required_argument, NULL, 'i' },
2747 { "protocol", required_argument, NULL, 'p' },
2748 { "cname", required_argument, NULL, ARG_CNAME },
2749 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2750 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2751 { "raw", optional_argument, NULL, ARG_RAW },
2752 { "search", required_argument, NULL, ARG_SEARCH },
2753 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2754 {}
2755 };
bdef7319 2756
a7a4c60a 2757 int c, r;
79266746 2758
a7a4c60a
YW		 2759 assert(argc >= 0);
2760 assert(argv);
bdef7319 2761
a7a4c60a
YW		 2762 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
2763 switch(c) {
45ec7efb 2764
a7a4c60a
YW		 2765 case 'h':
2766 native_help();
2767 return 0; /* done */;
2768
2769 case ARG_VERSION:
2770 return version();
a150ff5e 2771
a7a4c60a
YW		 2772 case '4':
2773 arg_family = AF_INET;
2774 break;
a150ff5e 2775
a7a4c60a
YW		 2776 case '6':
2777 arg_family = AF_INET6;
2778 break;
2779
2780 case 'i':
a661dc36
YW		 2781 arg_ifname = mfree(arg_ifname);
2782 r = ifname_mangle(optarg, true);
a7a4c60a
YW		 2783 if (r < 0)
2784 return r;
a7a4c60a
YW		 2785 break;
2786
2787 case 't':
2788 if (streq(optarg, "help")) {
2789 help_dns_types();
2790 return 0;
2791 }
2792
2793 r = dns_type_from_string(optarg);
2794 if (r < 0) {
2795 log_error("Failed to parse RR record type %s", optarg);
2796 return r;
2797 }
2798 arg_type = (uint16_t) r;
2799 assert((int) arg_type == r);
2800
2801 break;
2802
2803 case 'c':
2804 if (streq(optarg, "help")) {
2805 help_dns_classes();
2806 return 0;
2807 }
2808
2809 r = dns_class_from_string(optarg);
2810 if (r < 0) {
2811 log_error("Failed to parse RR record class %s", optarg);
2812 return r;
2813 }
2814 arg_class = (uint16_t) r;
2815 assert((int) arg_class == r);
2816
2817 break;
2818
2819 case ARG_LEGEND:
2820 r = parse_boolean(optarg);
2821 if (r < 0)
2822 return log_error_errno(r, "Failed to parse --legend= argument");
2823
2824 arg_legend = r;
2825 break;
2826
2827 case 'p':
2828 if (streq(optarg, "help")) {
2829 help_protocol_types();
2830 return 0;
2831 } else if (streq(optarg, "dns"))
2832 arg_flags |= SD_RESOLVED_DNS;
2833 else if (streq(optarg, "llmnr"))
2834 arg_flags |= SD_RESOLVED_LLMNR;
2835 else if (streq(optarg, "llmnr-ipv4"))
2836 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
2837 else if (streq(optarg, "llmnr-ipv6"))
2838 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
2839 else if (streq(optarg, "mdns"))
2840 arg_flags |= SD_RESOLVED_MDNS;
2841 else if (streq(optarg, "mdns-ipv4"))
2842 arg_flags |= SD_RESOLVED_MDNS_IPV4;
2843 else if (streq(optarg, "mdns-ipv6"))
2844 arg_flags |= SD_RESOLVED_MDNS_IPV6;
c1dafe4f 2845 else {
a7a4c60a
YW		 2846 log_error("Unknown protocol specifier: %s", optarg);
2847 return -EINVAL;
c1dafe4f 2848 }
a150ff5e 2849
a7a4c60a 2850 break;
a150ff5e 2851
a7a4c60a
YW		 2852 case ARG_RAW:
2853 if (on_tty()) {
2854 log_error("Refusing to write binary data to tty.");
2855 return -ENOTTY;
2856 }
a150ff5e 2857
a7a4c60a
YW		 2858 if (optarg == NULL || streq(optarg, "payload"))
2859 arg_raw = RAW_PAYLOAD;
2860 else if (streq(optarg, "packet"))
2861 arg_raw = RAW_PACKET;
2862 else {
2863 log_error("Unknown --raw specifier \"%s\".", optarg);
2864 return -EINVAL;
2865 }
a150ff5e 2866
a7a4c60a
YW		 2867 arg_legend = false;
2868 break;
a150ff5e 2869
a7a4c60a
YW		 2870 case ARG_CNAME:
2871 r = parse_boolean(optarg);
2872 if (r < 0)
2873 return log_error_errno(r, "Failed to parse --cname= argument.");
2874 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
2875 break;
a150ff5e 2876
a7a4c60a
YW		 2877 case ARG_SERVICE_ADDRESS:
2878 r = parse_boolean(optarg);
2879 if (r < 0)
2880 return log_error_errno(r, "Failed to parse --service-address= argument.");
2881 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
2882 break;
a150ff5e 2883
a7a4c60a
YW		 2884 case ARG_SERVICE_TXT:
2885 r = parse_boolean(optarg);
2886 if (r < 0)
2887 return log_error_errno(r, "Failed to parse --service-txt= argument.");
2888 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
2889 break;
45ec7efb 2890
a7a4c60a
YW		 2891 case ARG_SEARCH:
2892 r = parse_boolean(optarg);
2893 if (r < 0)
2894 return log_error_errno(r, "Failed to parse --search argument.");
2895 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
2896 break;
79266746 2897
a7a4c60a
YW		 2898 case ARG_NO_PAGER:
2899 arg_no_pager = true;
2900 break;
2901
2902 case '?':
2903 return -EINVAL;
4ac2ca1b 2904
a7a4c60a
YW		 2905 default:
2906 assert_not_reached("Unhandled option");
4ac2ca1b
ZJS		 2907 }
2908
a7a4c60a
YW		 2909 if (arg_type == 0 && arg_class != 0) {
2910 log_error("--class= may only be used in conjunction with --type=.");
2911 return -EINVAL;
2912 }
4ac2ca1b 2913
a7a4c60a
YW		 2914 if (arg_type != 0 && arg_class == 0)
2915 arg_class = DNS_CLASS_IN;
4ac2ca1b 2916
a7a4c60a
YW		 2917 if (arg_class != 0 && arg_type == 0)
2918 arg_type = DNS_TYPE_A;
82d1d240 2919
a7a4c60a
YW		 2920 return 1 /* work to do */;
2921}
82d1d240 2922
a7a4c60a
YW		 2923static int native_main(int argc, char *argv[], sd_bus *bus) {
2924
2925 static const Verb verbs[] = {
2926 { "help", VERB_ANY, VERB_ANY, 0, verb_help },
2927 { "status", VERB_ANY, VERB_ANY, VERB_DEFAULT, verb_status },
2928 { "query", 2, VERB_ANY, 0, verb_query },
2929 { "service", 2, 4, 0, verb_service },
2930 { "openpgp", 2, VERB_ANY, 0, verb_openpgp },
2931 { "tlsa", 2, VERB_ANY, 0, verb_tlsa },
2932 { "statistics", VERB_ANY, 1, 0, show_statistics },
2933 { "reset-statistics", VERB_ANY, 1, 0, reset_statistics },
2934 { "flush-caches", VERB_ANY, 1, 0, flush_caches },
2935 { "reset-server-features", VERB_ANY, 1, 0, reset_server_features },
2936 { "dns", VERB_ANY, VERB_ANY, 0, verb_dns },
2937 { "domain", VERB_ANY, VERB_ANY, 0, verb_domain },
2938 { "llmnr", VERB_ANY, 3, 0, verb_llmnr },
2939 { "mdns", VERB_ANY, 3, 0, verb_mdns },
c9299be2 2940 { "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
a7a4c60a
YW		 2941 { "dnssec", VERB_ANY, 3, 0, verb_dnssec },
2942 { "nta", VERB_ANY, VERB_ANY, 0, verb_nta },
2943 { "revert", 2, 2, 0, verb_revert_link },
2944 {}
2945 };
82d1d240 2946
a7a4c60a
YW		 2947 return dispatch_verb(argc, argv, verbs, bus);
2948}
82d1d240 2949
da6053d0 2950static int translate(const char *verb, const char *single_arg, size_t num_args, char **args, sd_bus *bus) {
a7a4c60a 2951 char **fake, **p;
da6053d0 2952 size_t num, i;
bdef7319 2953
a7a4c60a
YW		 2954 assert(verb);
2955 assert(num_args == 0 || args);
a150ff5e 2956
a7a4c60a 2957 num = !!single_arg + num_args + 1;
79266746 2958
a7a4c60a
YW		 2959 p = fake = newa0(char *, num + 1);
2960 *p++ = (char *) verb;
2961 if (single_arg)
2962 *p++ = (char *) single_arg;
2963 for (i = 0; i < num_args; i++)
2964 *p++ = args[i];
ba35662f 2965
a7a4c60a 2966 optind = 0;
da6053d0 2967 return native_main((int) num, fake, bus);
a7a4c60a 2968}
ba35662f 2969
a7a4c60a
YW		 2970static int compat_main(int argc, char *argv[], sd_bus *bus) {
2971 int r = 0;
be371fe0 2972
a7a4c60a
YW		 2973 switch (arg_mode) {
2974 case MODE_RESOLVE_HOST:
2975 case MODE_RESOLVE_RECORD:
2976 return translate("query", NULL, argc - optind, argv + optind, bus);
d55b0463 2977
a7a4c60a
YW		 2978 case MODE_RESOLVE_SERVICE:
2979 return translate("service", NULL, argc - optind, argv + optind, bus);
d55b0463 2980
a7a4c60a
YW		 2981 case MODE_RESOLVE_OPENPGP:
2982 return translate("openpgp", NULL, argc - optind, argv + optind, bus);
be371fe0 2983
a7a4c60a
YW		 2984 case MODE_RESOLVE_TLSA:
2985 return translate("tlsa", arg_service_family, argc - optind, argv + optind, bus);
be371fe0 2986
a7a4c60a
YW		 2987 case MODE_STATISTICS:
2988 return translate("statistics", NULL, 0, NULL, bus);
2989
2990 case MODE_RESET_STATISTICS:
2991 return translate("reset-statistics", NULL, 0, NULL, bus);
2992
2993 case MODE_FLUSH_CACHES:
2994 return translate("flush-caches", NULL, 0, NULL, bus);
2995
2996 case MODE_RESET_SERVER_FEATURES:
2997 return translate("reset-server-features", NULL, 0, NULL, bus);
be371fe0 2998
a7a4c60a
YW		 2999 case MODE_STATUS:
3000 return translate("status", NULL, argc - optind, argv + optind, bus);
14965b94 3001
14965b94 3002 case MODE_SET_LINK:
a661dc36
YW		 3003 assert(arg_ifname);
3004
a7a4c60a
YW		 3005 if (arg_set_dns) {
3006 r = translate("dns", arg_ifname, strv_length(arg_set_dns), arg_set_dns, bus);
3007 if (r < 0)
3008 return r;
3009 }
3010
3011 if (arg_set_domain) {
3012 r = translate("domain", arg_ifname, strv_length(arg_set_domain), arg_set_domain, bus);
3013 if (r < 0)
3014 return r;
14965b94
LP		 3015 }
3016
a7a4c60a
YW		 3017 if (arg_set_nta) {
3018 r = translate("nta", arg_ifname, strv_length(arg_set_nta), arg_set_nta, bus);
3019 if (r < 0)
3020 return r;
3021 }
14965b94 3022
a7a4c60a
YW		 3023 if (arg_set_llmnr) {
3024 r = translate("llmnr", arg_ifname, 1, (char **) &arg_set_llmnr, bus);
3025 if (r < 0)
3026 return r;
3027 }
3028
3029 if (arg_set_mdns) {
3030 r = translate("mdns", arg_ifname, 1, (char **) &arg_set_mdns, bus);
3031 if (r < 0)
3032 return r;
3033 }
3034
c9299be2
IT		 3035 if (arg_set_dns_over_tls) {
3036 r = translate("dnsovertls", arg_ifname, 1, (char **) &arg_set_dns_over_tls, bus);
d050561a
IT		 3037 if (r < 0)
3038 return r;
3039 }
3040
a7a4c60a
YW		 3041 if (arg_set_dnssec) {
3042 r = translate("dnssec", arg_ifname, 1, (char **) &arg_set_dnssec, bus);
3043 if (r < 0)
3044 return r;
14965b94
LP		 3045 }
3046
a7a4c60a
YW		 3047 return r;
3048
3049 case MODE_REVERT_LINK:
a661dc36
YW		 3050 assert(arg_ifname);
3051
a7a4c60a 3052 return translate("revert", arg_ifname, 0, NULL, bus);
088c1363
LP		 3053
3054 case _MODE_INVALID:
3055 assert_not_reached("invalid mode");
bdef7319
ZJS		 3056 }
3057
a7a4c60a
YW		 3058 return 0;
3059}
3060
3061int main(int argc, char **argv) {
3062 sd_bus *bus = NULL;
3063 int r;
3064
3065 setlocale(LC_ALL, "");
3066 log_parse_environment();
3067 log_open();
3068
3069 if (streq(program_invocation_short_name, "resolvconf"))
3070 r = resolvconf_parse_argv(argc, argv);
3071 else if (streq(program_invocation_short_name, "systemd-resolve"))
3072 r = compat_parse_argv(argc, argv);
3073 else
3074 r = native_parse_argv(argc, argv);
3075 if (r <= 0)
3076 goto finish;
3077
3078 r = sd_bus_open_system(&bus);
3079 if (r < 0) {
3080 log_error_errno(r, "sd_bus_open_system: %m");
3081 goto finish;
3082 }
3083
5a01b3f3 3084 if (STR_IN_SET(program_invocation_short_name, "systemd-resolve", "resolvconf"))
a7a4c60a
YW		 3085 r = compat_main(argc, argv, bus);
3086 else
3087 r = native_main(argc, argv, bus);
3088
79266746 3089finish:
a7a4c60a
YW		 3090 /* make sure we terminate the bus connection first, and then close the
3091 * pager, see issue #3543 for the details. */
3092 sd_bus_flush_close_unref(bus);
be371fe0
LP		 3093 pager_close();
3094
a661dc36 3095 free(arg_ifname);
a7a4c60a 3096 strv_free(arg_set_dns);
14965b94 3097 strv_free(arg_set_domain);
14965b94
LP		 3098 strv_free(arg_set_nta);
3099
a7a4c60a 3100 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
bdef7319 3101}
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