]> git.ipfire.org Git - thirdparty/systemd.git/blame - src/resolve/resolve-tool.c
projects / thirdparty / systemd.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
journalctl,systemctl: add "short-full", "short-unix" mode to --help
[thirdparty/systemd.git] / src / resolve / resolve-tool.c
CommitLineData
bdef7319
ZJS		 1/***
2 This file is part of systemd.
3
4 Copyright 2014 Zbigniew Jędrzejewski-Szmek
5
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
10
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
18***/
19
bdef7319 20#include <getopt.h>
cf0fbc49 21#include <net/if.h>
bdef7319
ZJS		 22
23#include "sd-bus.h"
be371fe0 24#include "sd-netlink.h"
3f6fd1ba
LP		 25
26#include "af-list.h"
b5efdb8a 27#include "alloc-util.h"
bdef7319 28#include "bus-error.h"
3f6fd1ba 29#include "bus-util.h"
45ec7efb 30#include "escape.h"
4ac2ca1b 31#include "gcrypt-util.h"
be371fe0
LP		 32#include "in-addr-util.h"
33#include "netlink-util.h"
34#include "pager.h"
6bedfcbb 35#include "parse-util.h"
51323288 36#include "resolved-def.h"
3f6fd1ba 37#include "resolved-dns-packet.h"
be371fe0 38#include "strv.h"
a150ff5e 39#include "terminal-util.h"
2d4c5cbc 40
bdef7319
ZJS		 41#define DNS_CALL_TIMEOUT_USEC (45*USEC_PER_SEC)
42
43static int arg_family = AF_UNSPEC;
44static int arg_ifindex = 0;
4b548ef3 45static uint16_t arg_type = 0;
2d4c5cbc 46static uint16_t arg_class = 0;
b93312f5 47static bool arg_legend = true;
51323288 48static uint64_t arg_flags = 0;
be371fe0 49static bool arg_no_pager = false;
dab48ea6 50
82d1d240
ZJS		 51typedef enum ServiceFamily {
52 SERVICE_FAMILY_TCP,
53 SERVICE_FAMILY_UDP,
54 SERVICE_FAMILY_SCTP,
55 _SERVICE_FAMILY_INVALID = -1,
56} ServiceFamily;
57static ServiceFamily arg_service_family = SERVICE_FAMILY_TCP;
58
dab48ea6
ZJS		 59typedef enum RawType {
60 RAW_NONE,
61 RAW_PAYLOAD,
62 RAW_PACKET,
63} RawType;
dab48ea6 64static RawType arg_raw = RAW_NONE;
a150ff5e
LP		 65
66static enum {
67 MODE_RESOLVE_HOST,
68 MODE_RESOLVE_RECORD,
69 MODE_RESOLVE_SERVICE,
4ac2ca1b 70 MODE_RESOLVE_OPENPGP,
82d1d240 71 MODE_RESOLVE_TLSA,
a150ff5e
LP		 72 MODE_STATISTICS,
73 MODE_RESET_STATISTICS,
ba35662f 74 MODE_FLUSH_CACHES,
be371fe0 75 MODE_STATUS,
a150ff5e 76} arg_mode = MODE_RESOLVE_HOST;
51323288 77
82d1d240
ZJS		 78static ServiceFamily service_family_from_string(const char *s) {
79 if (s == NULL || streq(s, "tcp"))
80 return SERVICE_FAMILY_TCP;
81 if (streq(s, "udp"))
82 return SERVICE_FAMILY_UDP;
83 if (streq(s, "sctp"))
84 return SERVICE_FAMILY_SCTP;
85 return _SERVICE_FAMILY_INVALID;
86}
87
88static const char* service_family_to_string(ServiceFamily service) {
89 switch(service) {
90 case SERVICE_FAMILY_TCP:
91 return "_tcp";
92 case SERVICE_FAMILY_UDP:
93 return "_udp";
94 case SERVICE_FAMILY_SCTP:
95 return "_sctp";
96 default:
97 assert_not_reached("invalid service");
98 }
99}
100
78c6a153 101static void print_source(uint64_t flags, usec_t rtt) {
74998408 102 char rtt_str[FORMAT_TIMESTAMP_MAX];
51323288
LP		 103
104 if (!arg_legend)
105 return;
106
78c6a153 107 if (flags == 0)
51323288
LP		 108 return;
109
110 fputs("\n-- Information acquired via", stdout);
111
112 if (flags != 0)
786c8e9f 113 printf(" protocol%s%s%s%s%s",
51323288
LP		 114 flags & SD_RESOLVED_DNS ? " DNS" :"",
115 flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
786c8e9f
LP		 116 flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
117 flags & SD_RESOLVED_MDNS_IPV4 ? "mDNS/IPv4" : "",
118 flags & SD_RESOLVED_MDNS_IPV6 ? "mDNS/IPv6" : "");
51323288 119
74998408
TG		 120 assert_se(format_timespan(rtt_str, sizeof(rtt_str), rtt, 100));
121
122 printf(" in %s", rtt_str);
123
51323288
LP		 124 fputc('.', stdout);
125 fputc('\n', stdout);
931851e8
LP		 126
127 printf("-- Data is authenticated: %s\n", yes_no(flags & SD_RESOLVED_AUTHENTICATED));
51323288 128}
bdef7319 129
79266746 130static int resolve_host(sd_bus *bus, const char *name) {
bdef7319 131
4afd3348
LP		 132 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
133 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
79266746 134 const char *canonical = NULL;
78c6a153 135 char ifname[IF_NAMESIZE] = "";
bdef7319 136 unsigned c = 0;
78c6a153 137 int r;
51323288 138 uint64_t flags;
74998408 139 usec_t ts;
bdef7319
ZJS		 140
141 assert(name);
142
78c6a153
LP		 143 if (arg_ifindex > 0 && !if_indextoname(arg_ifindex, ifname))
144 return log_error_errno(errno, "Failed to resolve interface name for index %i: %m", arg_ifindex);
145
146 log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(ifname) ? "*" : ifname);
bdef7319
ZJS		 147
148 r = sd_bus_message_new_method_call(
149 bus,
150 &req,
151 "org.freedesktop.resolve1",
152 "/org/freedesktop/resolve1",
153 "org.freedesktop.resolve1.Manager",
154 "ResolveHostname");
02dd6e18
LP		 155 if (r < 0)
156 return bus_log_create_error(r);
bdef7319 157
51323288 158 r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
02dd6e18
LP		 159 if (r < 0)
160 return bus_log_create_error(r);
bdef7319 161
74998408
TG		 162 ts = now(CLOCK_MONOTONIC);
163
bdef7319 164 r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);
45ec7efb
LP		 165 if (r < 0)
166 return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(&error, r));
bdef7319 167
74998408
TG		 168 ts = now(CLOCK_MONOTONIC) - ts;
169
78c6a153 170 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
02dd6e18
LP		 171 if (r < 0)
172 return bus_log_parse_error(r);
bdef7319 173
78c6a153 174 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
bdef7319 175 _cleanup_free_ char *pretty = NULL;
78c6a153 176 int ifindex, family;
45ec7efb
LP		 177 const void *a;
178 size_t sz;
78c6a153
LP		 179
180 assert_cc(sizeof(int) == sizeof(int32_t));
bdef7319 181
78c6a153 182 r = sd_bus_message_read(reply, "ii", &ifindex, &family);
02dd6e18
LP		 183 if (r < 0)
184 return bus_log_parse_error(r);
bdef7319
ZJS		 185
186 r = sd_bus_message_read_array(reply, 'y', &a, &sz);
02dd6e18
LP		 187 if (r < 0)
188 return bus_log_parse_error(r);
bdef7319 189
bdef7319 190 r = sd_bus_message_exit_container(reply);
02dd6e18
LP		 191 if (r < 0)
192 return bus_log_parse_error(r);
bdef7319 193
79266746 194 if (!IN_SET(family, AF_INET, AF_INET6)) {
be636413 195 log_debug("%s: skipping entry with family %d (%s)", name, family, af_to_name(family) ?: "unknown");
bdef7319
ZJS		 196 continue;
197 }
198
199 if (sz != FAMILY_ADDRESS_SIZE(family)) {
78c6a153 200 log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name, sz, af_to_name(family) ?: "unknown");
45ec7efb 201 return -EINVAL;
bdef7319
ZJS		 202 }
203
78c6a153
LP		 204 ifname[0] = 0;
205 if (ifindex > 0 && !if_indextoname(ifindex, ifname))
206 log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
bdef7319 207
145fab1e 208 r = in_addr_ifindex_to_string(family, a, ifindex, &pretty);
78c6a153
LP		 209 if (r < 0)
210 return log_error_errno(r, "Failed to print address for %s: %m", name);
bdef7319 211
79266746
LP		 212 printf("%*s%s %s%s%s\n",
213 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
214 pretty,
215 isempty(ifname) ? "" : "%", ifname);
bdef7319
ZJS		 216
217 c++;
218 }
79266746
LP		 219 if (r < 0)
220 return bus_log_parse_error(r);
221
222 r = sd_bus_message_exit_container(reply);
223 if (r < 0)
224 return bus_log_parse_error(r);
225
51323288 226 r = sd_bus_message_read(reply, "st", &canonical, &flags);
79266746
LP		 227 if (r < 0)
228 return bus_log_parse_error(r);
229
ece174c5 230 if (!streq(name, canonical))
79266746
LP		 231 printf("%*s%s (%s)\n",
232 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
233 canonical);
bdef7319
ZJS		 234
235 if (c == 0) {
236 log_error("%s: no addresses found", name);
79266746
LP		 237 return -ESRCH;
238 }
239
78c6a153 240 print_source(flags, ts);
51323288 241
79266746
LP		 242 return 0;
243}
244
245static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
4afd3348
LP		 246 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
247 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
79266746
LP		 248 _cleanup_free_ char *pretty = NULL;
249 char ifname[IF_NAMESIZE] = "";
51323288 250 uint64_t flags;
79266746 251 unsigned c = 0;
74998408 252 usec_t ts;
79266746
LP		 253 int r;
254
255 assert(bus);
256 assert(IN_SET(family, AF_INET, AF_INET6));
257 assert(address);
258
78c6a153
LP		 259 if (ifindex <= 0)
260 ifindex = arg_ifindex;
261
145fab1e 262 r = in_addr_ifindex_to_string(family, address, ifindex, &pretty);
79266746
LP		 263 if (r < 0)
264 return log_oom();
265
78c6a153
LP		 266 if (ifindex > 0 && !if_indextoname(ifindex, ifname))
267 return log_error_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
79266746
LP		 268
269 log_debug("Resolving %s%s%s.", pretty, isempty(ifname) ? "" : "%", ifname);
270
271 r = sd_bus_message_new_method_call(
272 bus,
273 &req,
274 "org.freedesktop.resolve1",
275 "/org/freedesktop/resolve1",
276 "org.freedesktop.resolve1.Manager",
277 "ResolveAddress");
278 if (r < 0)
279 return bus_log_create_error(r);
280
51323288 281 r = sd_bus_message_append(req, "ii", ifindex, family);
79266746
LP		 282 if (r < 0)
283 return bus_log_create_error(r);
284
285 r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
286 if (r < 0)
287 return bus_log_create_error(r);
288
51323288 289 r = sd_bus_message_append(req, "t", arg_flags);
79266746
LP		 290 if (r < 0)
291 return bus_log_create_error(r);
292
74998408
TG		 293 ts = now(CLOCK_MONOTONIC);
294
79266746
LP		 295 r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);
296 if (r < 0) {
297 log_error("%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
298 return r;
299 }
300
74998408
TG		 301 ts = now(CLOCK_MONOTONIC) - ts;
302
78c6a153 303 r = sd_bus_message_enter_container(reply, 'a', "(is)");
79266746
LP		 304 if (r < 0)
305 return bus_log_create_error(r);
306
78c6a153
LP		 307 while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
308 const char *n;
309
310 assert_cc(sizeof(int) == sizeof(int32_t));
79266746 311
78c6a153
LP		 312 r = sd_bus_message_read(reply, "is", &ifindex, &n);
313 if (r < 0)
314 return r;
315
316 r = sd_bus_message_exit_container(reply);
317 if (r < 0)
318 return r;
319
320 ifname[0] = 0;
321 if (ifindex > 0 && !if_indextoname(ifindex, ifname))
322 log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
323
324 printf("%*s%*s%*s%s %s\n",
79266746 325 (int) strlen(pretty), c == 0 ? pretty : "",
78c6a153
LP		 326 isempty(ifname) ? 0 : 1, c > 0 || isempty(ifname) ? "" : "%",
327 (int) strlen(ifname), c == 0 ? ifname : "",
79266746
LP		 328 c == 0 ? ":" : " ",
329 n);
330
331 c++;
bdef7319 332 }
79266746
LP		 333 if (r < 0)
334 return bus_log_parse_error(r);
bdef7319 335
02dd6e18
LP		 336 r = sd_bus_message_exit_container(reply);
337 if (r < 0)
338 return bus_log_parse_error(r);
339
51323288
LP		 340 r = sd_bus_message_read(reply, "t", &flags);
341 if (r < 0)
342 return bus_log_parse_error(r);
343
79266746
LP		 344 if (c == 0) {
345 log_error("%s: no names found", pretty);
346 return -ESRCH;
347 }
348
78c6a153 349 print_source(flags, ts);
51323288 350
79266746
LP		 351 return 0;
352}
353
dab48ea6
ZJS		 354static int output_rr_packet(const void *d, size_t l, int ifindex) {
355 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
356 _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
357 int r;
358 char ifname[IF_NAMESIZE] = "";
359
360 r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0);
361 if (r < 0)
362 return log_oom();
363
364 p->refuse_compression = true;
365
366 r = dns_packet_append_blob(p, d, l, NULL);
367 if (r < 0)
368 return log_oom();
369
370 r = dns_packet_read_rr(p, &rr, NULL, NULL);
371 if (r < 0)
372 return log_error_errno(r, "Failed to parse RR: %m");
373
374 if (arg_raw == RAW_PAYLOAD) {
375 void *data;
376 ssize_t k;
377
378 k = dns_resource_record_payload(rr, &data);
379 if (k < 0)
380 return log_error_errno(k, "Cannot dump RR: %m");
381 fwrite(data, 1, k, stdout);
382 } else {
383 const char *s;
384
385 s = dns_resource_record_to_string(rr);
386 if (!s)
387 return log_oom();
388
389 if (ifindex > 0 && !if_indextoname(ifindex, ifname))
390 log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
391
392 printf("%s%s%s\n", s, isempty(ifname) ? "" : " # interface ", ifname);
393 }
394
395 return 0;
396}
397
c1dafe4f 398static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type) {
4afd3348
LP		 399 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
400 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
78c6a153 401 char ifname[IF_NAMESIZE] = "";
2d4c5cbc 402 unsigned n = 0;
51323288 403 uint64_t flags;
78c6a153 404 int r;
74998408 405 usec_t ts;
41815a4a 406 bool needs_authentication = false;
2d4c5cbc
LP		 407
408 assert(name);
409
78c6a153
LP		 410 if (arg_ifindex > 0 && !if_indextoname(arg_ifindex, ifname))
411 return log_error_errno(errno, "Failed to resolve interface name for index %i: %m", arg_ifindex);
412
c1dafe4f 413 log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(ifname) ? "*" : ifname);
2d4c5cbc
LP		 414
415 r = sd_bus_message_new_method_call(
416 bus,
417 &req,
418 "org.freedesktop.resolve1",
419 "/org/freedesktop/resolve1",
420 "org.freedesktop.resolve1.Manager",
421 "ResolveRecord");
422 if (r < 0)
423 return bus_log_create_error(r);
424
c1dafe4f 425 r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
2d4c5cbc
LP		 426 if (r < 0)
427 return bus_log_create_error(r);
428
74998408
TG		 429 ts = now(CLOCK_MONOTONIC);
430
2d4c5cbc
LP		 431 r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);
432 if (r < 0) {
433 log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r));
434 return r;
435 }
436
74998408
TG		 437 ts = now(CLOCK_MONOTONIC) - ts;
438
78c6a153 439 r = sd_bus_message_enter_container(reply, 'a', "(iqqay)");
51323288
LP		 440 if (r < 0)
441 return bus_log_parse_error(r);
442
78c6a153 443 while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
2d4c5cbc 444 uint16_t c, t;
78c6a153 445 int ifindex;
2d4c5cbc
LP		 446 const void *d;
447 size_t l;
448
78c6a153
LP		 449 assert_cc(sizeof(int) == sizeof(int32_t));
450
451 r = sd_bus_message_read(reply, "iqq", &ifindex, &c, &t);
2d4c5cbc
LP		 452 if (r < 0)
453 return bus_log_parse_error(r);
454
455 r = sd_bus_message_read_array(reply, 'y', &d, &l);
456 if (r < 0)
457 return bus_log_parse_error(r);
458
459 r = sd_bus_message_exit_container(reply);
460 if (r < 0)
461 return bus_log_parse_error(r);
462
dab48ea6
ZJS		 463 if (arg_raw == RAW_PACKET) {
464 uint64_t u64 = htole64(l);
2d4c5cbc 465
dab48ea6
ZJS		 466 fwrite(&u64, sizeof(u64), 1, stdout);
467 fwrite(d, 1, l, stdout);
2e74028a 468 } else {
dab48ea6
ZJS		 469 r = output_rr_packet(d, l, ifindex);
470 if (r < 0)
471 return r;
2e74028a 472 }
78c6a153 473
41815a4a
LP		 474 if (dns_type_needs_authentication(t))
475 needs_authentication = true;
476
2d4c5cbc
LP		 477 n++;
478 }
479 if (r < 0)
480 return bus_log_parse_error(r);
481
482 r = sd_bus_message_exit_container(reply);
483 if (r < 0)
484 return bus_log_parse_error(r);
485
51323288
LP		 486 r = sd_bus_message_read(reply, "t", &flags);
487 if (r < 0)
488 return bus_log_parse_error(r);
489
2d4c5cbc
LP		 490 if (n == 0) {
491 log_error("%s: no records found", name);
492 return -ESRCH;
493 }
494
78c6a153 495 print_source(flags, ts);
51323288 496
41815a4a
LP		 497 if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
498 fflush(stdout);
499
500 fprintf(stderr, "\n%s"
501 "WARNING: The resources shown contain cryptographic key data which could not be\n"
502 " authenticated. It is not suitable to authenticate any communication.\n"
503 " This is usually indication that DNSSEC authentication was not enabled\n"
504 " or is not available for the selected protocol or DNS servers.%s\n",
505 ansi_highlight_red(),
506 ansi_normal());
507 }
508
2d4c5cbc
LP		 509 return 0;
510}
511
c1dafe4f
LP		 512static int resolve_rfc4501(sd_bus *bus, const char *name) {
513 uint16_t type = 0, class = 0;
514 const char *p, *q, *n;
515 int r;
516
517 assert(bus);
518 assert(name);
519 assert(startswith(name, "dns:"));
520
521 /* Parse RFC 4501 dns: URIs */
522
523 p = name + 4;
524
525 if (p[0] == '/') {
526 const char *e;
527
528 if (p[1] != '/')
529 goto invalid;
530
531 e = strchr(p + 2, '/');
532 if (!e)
533 goto invalid;
534
535 if (e != p + 2)
536 log_warning("DNS authority specification not supported; ignoring specified authority.");
537
538 p = e + 1;
539 }
540
541 q = strchr(p, '?');
542 if (q) {
543 n = strndupa(p, q - p);
544 q++;
545
546 for (;;) {
547 const char *f;
548
549 f = startswith_no_case(q, "class=");
550 if (f) {
551 _cleanup_free_ char *t = NULL;
552 const char *e;
553
554 if (class != 0) {
555 log_error("DNS class specified twice.");
556 return -EINVAL;
557 }
558
559 e = strchrnul(f, ';');
560 t = strndup(f, e - f);
561 if (!t)
562 return log_oom();
563
564 r = dns_class_from_string(t);
565 if (r < 0) {
566 log_error("Unknown DNS class %s.", t);
567 return -EINVAL;
568 }
569
570 class = r;
571
572 if (*e == ';') {
573 q = e + 1;
574 continue;
575 }
576
577 break;
578 }
579
580 f = startswith_no_case(q, "type=");
581 if (f) {
582 _cleanup_free_ char *t = NULL;
583 const char *e;
584
585 if (type != 0) {
586 log_error("DNS type specified twice.");
587 return -EINVAL;
588 }
589
590 e = strchrnul(f, ';');
591 t = strndup(f, e - f);
592 if (!t)
593 return log_oom();
594
595 r = dns_type_from_string(t);
596 if (r < 0) {
597 log_error("Unknown DNS type %s.", t);
598 return -EINVAL;
599 }
600
601 type = r;
602
603 if (*e == ';') {
604 q = e + 1;
605 continue;
606 }
607
608 break;
609 }
610
611 goto invalid;
612 }
613 } else
614 n = p;
615
c1dafe4f 616 if (class == 0)
4ac2ca1b
ZJS		 617 class = arg_class ?: DNS_CLASS_IN;
618 if (type == 0)
619 type = arg_type ?: DNS_TYPE_A;
c1dafe4f
LP		 620
621 return resolve_record(bus, n, class, type);
622
623invalid:
624 log_error("Invalid DNS URI: %s", name);
625 return -EINVAL;
626}
627
45ec7efb
LP		 628static int resolve_service(sd_bus *bus, const char *name, const char *type, const char *domain) {
629 const char *canonical_name, *canonical_type, *canonical_domain;
4afd3348
LP		 630 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
631 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
45ec7efb
LP		 632 char ifname[IF_NAMESIZE] = "";
633 size_t indent, sz;
634 uint64_t flags;
635 const char *p;
636 unsigned c;
637 usec_t ts;
638 int r;
639
640 assert(bus);
641 assert(domain);
642
3c6f7c34
LP		 643 name = empty_to_null(name);
644 type = empty_to_null(type);
45ec7efb
LP		 645
646 if (arg_ifindex > 0 && !if_indextoname(arg_ifindex, ifname))
647 return log_error_errno(errno, "Failed to resolve interface name for index %i: %m", arg_ifindex);
648
649 if (name)
650 log_debug("Resolving service \"%s\" of type %s in %s (family %s, interface %s).", name, type, domain, af_to_name(arg_family) ?: "*", isempty(ifname) ? "*" : ifname);
651 else if (type)
652 log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(ifname) ? "*" : ifname);
653 else
654 log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(ifname) ? "*" : ifname);
655
656 r = sd_bus_message_new_method_call(
657 bus,
658 &req,
659 "org.freedesktop.resolve1",
660 "/org/freedesktop/resolve1",
661 "org.freedesktop.resolve1.Manager",
662 "ResolveService");
663 if (r < 0)
664 return bus_log_create_error(r);
665
666 r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
667 if (r < 0)
668 return bus_log_create_error(r);
669
670 ts = now(CLOCK_MONOTONIC);
671
672 r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);
673 if (r < 0)
674 return log_error_errno(r, "Resolve call failed: %s", bus_error_message(&error, r));
675
676 ts = now(CLOCK_MONOTONIC) - ts;
677
678 r = sd_bus_message_enter_container(reply, 'a', "(qqqsa(iiay)s)");
679 if (r < 0)
680 return bus_log_parse_error(r);
681
682 indent =
683 (name ? strlen(name) + 1 : 0) +
684 (type ? strlen(type) + 1 : 0) +
685 strlen(domain) + 2;
686
687 c = 0;
688 while ((r = sd_bus_message_enter_container(reply, 'r', "qqqsa(iiay)s")) > 0) {
689 uint16_t priority, weight, port;
690 const char *hostname, *canonical;
691
692 r = sd_bus_message_read(reply, "qqqs", &priority, &weight, &port, &hostname);
693 if (r < 0)
694 return bus_log_parse_error(r);
695
696 if (name)
697 printf("%*s%s", (int) strlen(name), c == 0 ? name : "", c == 0 ? "/" : " ");
698 if (type)
699 printf("%*s%s", (int) strlen(type), c == 0 ? type : "", c == 0 ? "/" : " ");
700
701 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
702 (int) strlen(domain), c == 0 ? domain : "",
703 c == 0 ? ":" : " ",
704 hostname, port,
705 priority, weight);
706
707 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
708 if (r < 0)
709 return bus_log_parse_error(r);
710
711 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
712 _cleanup_free_ char *pretty = NULL;
713 int ifindex, family;
714 const void *a;
715
716 assert_cc(sizeof(int) == sizeof(int32_t));
717
718 r = sd_bus_message_read(reply, "ii", &ifindex, &family);
719 if (r < 0)
720 return bus_log_parse_error(r);
721
722 r = sd_bus_message_read_array(reply, 'y', &a, &sz);
723 if (r < 0)
724 return bus_log_parse_error(r);
725
726 r = sd_bus_message_exit_container(reply);
727 if (r < 0)
728 return bus_log_parse_error(r);
729
730 if (!IN_SET(family, AF_INET, AF_INET6)) {
731 log_debug("%s: skipping entry with family %d (%s)", name, family, af_to_name(family) ?: "unknown");
732 continue;
733 }
734
735 if (sz != FAMILY_ADDRESS_SIZE(family)) {
736 log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name, sz, af_to_name(family) ?: "unknown");
737 return -EINVAL;
738 }
739
740 ifname[0] = 0;
741 if (ifindex > 0 && !if_indextoname(ifindex, ifname))
742 log_warning_errno(errno, "Failed to resolve interface name for index %i: %m", ifindex);
743
744 r = in_addr_to_string(family, a, &pretty);
745 if (r < 0)
746 return log_error_errno(r, "Failed to print address for %s: %m", name);
747
748 printf("%*s%s%s%s\n", (int) indent, "", pretty, isempty(ifname) ? "" : "%s", ifname);
749 }
750 if (r < 0)
751 return bus_log_parse_error(r);
752
753 r = sd_bus_message_exit_container(reply);
754 if (r < 0)
755 return bus_log_parse_error(r);
756
757 r = sd_bus_message_read(reply, "s", &canonical);
758 if (r < 0)
759 return bus_log_parse_error(r);
760
761 if (!streq(hostname, canonical))
762 printf("%*s(%s)\n", (int) indent, "", canonical);
763
764 r = sd_bus_message_exit_container(reply);
765 if (r < 0)
766 return bus_log_parse_error(r);
767
768 c++;
769 }
770 if (r < 0)
771 return bus_log_parse_error(r);
772
773 r = sd_bus_message_exit_container(reply);
774 if (r < 0)
775 return bus_log_parse_error(r);
776
777 r = sd_bus_message_enter_container(reply, 'a', "ay");
778 if (r < 0)
779 return bus_log_parse_error(r);
780
781 c = 0;
782 while ((r = sd_bus_message_read_array(reply, 'y', (const void**) &p, &sz)) > 0) {
783 _cleanup_free_ char *escaped = NULL;
784
785 escaped = cescape_length(p, sz);
786 if (!escaped)
787 return log_oom();
788
789 printf("%*s%s\n", (int) indent, "", escaped);
790 c++;
791 }
792 if (r < 0)
793 return bus_log_parse_error(r);
794
795 r = sd_bus_message_exit_container(reply);
796 if (r < 0)
797 return bus_log_parse_error(r);
798
799 r = sd_bus_message_read(reply, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
800 if (r < 0)
801 return bus_log_parse_error(r);
802
3c6f7c34
LP		 803 canonical_name = empty_to_null(canonical_name);
804 canonical_type = empty_to_null(canonical_type);
45ec7efb
LP		 805
806 if (!streq_ptr(name, canonical_name) ||
807 !streq_ptr(type, canonical_type) ||
808 !streq_ptr(domain, canonical_domain)) {
809
810 printf("%*s(", (int) indent, "");
811
812 if (canonical_name)
813 printf("%s/", canonical_name);
814 if (canonical_type)
815 printf("%s/", canonical_type);
816
817 printf("%s)\n", canonical_domain);
818 }
819
820 print_source(flags, ts);
821
822 return 0;
823}
824
4ac2ca1b
ZJS		 825static int resolve_openpgp(sd_bus *bus, const char *address) {
826 const char *domain, *full;
827 int r;
828 _cleanup_free_ char *hashed = NULL;
829
830 assert(bus);
831 assert(address);
832
833 domain = strrchr(address, '@');
834 if (!domain) {
835 log_error("Address does not contain '@': \"%s\"", address);
836 return -EINVAL;
837 } else if (domain == address || domain[1] == '\0') {
838 log_error("Address starts or ends with '@': \"%s\"", address);
839 return -EINVAL;
840 }
841 domain++;
842
b68f10bf 843 r = string_hashsum_sha224(address, domain - 1 - address, &hashed);
4ac2ca1b
ZJS		 844 if (r < 0)
845 return log_error_errno(r, "Hashing failed: %m");
846
847 full = strjoina(hashed, "._openpgpkey.", domain);
848 log_debug("Looking up \"%s\".", full);
849
850 return resolve_record(bus, full,
851 arg_class ?: DNS_CLASS_IN,
852 arg_type ?: DNS_TYPE_OPENPGPKEY);
853}
854
82d1d240
ZJS		 855static int resolve_tlsa(sd_bus *bus, const char *address) {
856 const char *port;
857 uint16_t port_num = 443;
858 _cleanup_free_ char *full = NULL;
859 int r;
860
861 assert(bus);
862 assert(address);
863
864 port = strrchr(address, ':');
865 if (port) {
866 r = safe_atou16(port + 1, &port_num);
867 if (r < 0 || port_num == 0)
868 return log_error_errno(r, "Invalid port \"%s\".", port + 1);
869
870 address = strndupa(address, port - address);
871 }
872
873 r = asprintf(&full, "_%u.%s.%s",
874 port_num,
875 service_family_to_string(arg_service_family),
876 address);
877 if (r < 0)
878 return log_oom();
879
880 log_debug("Looking up \"%s\".", full);
881
882 return resolve_record(bus, full,
883 arg_class ?: DNS_CLASS_IN,
884 arg_type ?: DNS_TYPE_TLSA);
885}
886
a150ff5e
LP		 887static int show_statistics(sd_bus *bus) {
888 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
889 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
890 uint64_t n_current_transactions, n_total_transactions,
891 cache_size, n_cache_hit, n_cache_miss,
892 n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
593f665c 893 int r, dnssec_supported;
a150ff5e
LP		 894
895 assert(bus);
896
593f665c
LP		 897 r = sd_bus_get_property_trivial(bus,
898 "org.freedesktop.resolve1",
899 "/org/freedesktop/resolve1",
900 "org.freedesktop.resolve1.Manager",
901 "DNSSECSupported",
902 &error,
903 'b',
904 &dnssec_supported);
905 if (r < 0)
906 return log_error_errno(r, "Failed to get DNSSEC supported state: %s", bus_error_message(&error, r));
907
908 printf("DNSSEC supported by current servers: %s%s%s\n\n",
909 ansi_highlight(),
910 yes_no(dnssec_supported),
911 ansi_normal());
912
a150ff5e
LP		 913 r = sd_bus_get_property(bus,
914 "org.freedesktop.resolve1",
915 "/org/freedesktop/resolve1",
916 "org.freedesktop.resolve1.Manager",
917 "TransactionStatistics",
918 &error,
919 &reply,
920 "(tt)");
921 if (r < 0)
922 return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
923
924 r = sd_bus_message_read(reply, "(tt)",
925 &n_current_transactions,
926 &n_total_transactions);
927 if (r < 0)
928 return bus_log_parse_error(r);
929
930 printf("%sTransactions%s\n"
931 "Current Transactions: %" PRIu64 "\n"
932 " Total Transactions: %" PRIu64 "\n",
933 ansi_highlight(),
934 ansi_normal(),
935 n_current_transactions,
936 n_total_transactions);
937
938 reply = sd_bus_message_unref(reply);
939
940 r = sd_bus_get_property(bus,
941 "org.freedesktop.resolve1",
942 "/org/freedesktop/resolve1",
943 "org.freedesktop.resolve1.Manager",
944 "CacheStatistics",
945 &error,
946 &reply,
947 "(ttt)");
f7700834
TA		 948 if (r < 0)
949 return log_error_errno(r, "Failed to get cache statistics: %s", bus_error_message(&error, r));
a150ff5e
LP		 950
951 r = sd_bus_message_read(reply, "(ttt)",
952 &cache_size,
953 &n_cache_hit,
954 &n_cache_miss);
955 if (r < 0)
956 return bus_log_parse_error(r);
957
958 printf("\n%sCache%s\n"
959 " Current Cache Size: %" PRIu64 "\n"
960 " Cache Hits: %" PRIu64 "\n"
961 " Cache Misses: %" PRIu64 "\n",
962 ansi_highlight(),
963 ansi_normal(),
964 cache_size,
965 n_cache_hit,
966 n_cache_miss);
967
968 reply = sd_bus_message_unref(reply);
969
970 r = sd_bus_get_property(bus,
971 "org.freedesktop.resolve1",
972 "/org/freedesktop/resolve1",
973 "org.freedesktop.resolve1.Manager",
974 "DNSSECStatistics",
975 &error,
976 &reply,
977 "(tttt)");
f7700834
TA		 978 if (r < 0)
979 return log_error_errno(r, "Failed to get DNSSEC statistics: %s", bus_error_message(&error, r));
a150ff5e
LP		 980
981 r = sd_bus_message_read(reply, "(tttt)",
982 &n_dnssec_secure,
983 &n_dnssec_insecure,
984 &n_dnssec_bogus,
985 &n_dnssec_indeterminate);
986 if (r < 0)
987 return bus_log_parse_error(r);
988
7405bb3e
LP		 989 printf("\n%sDNSSEC Verdicts%s\n"
990 " Secure: %" PRIu64 "\n"
991 " Insecure: %" PRIu64 "\n"
992 " Bogus: %" PRIu64 "\n"
993 " Indeterminate: %" PRIu64 "\n",
a150ff5e
LP		 994 ansi_highlight(),
995 ansi_normal(),
996 n_dnssec_secure,
997 n_dnssec_insecure,
998 n_dnssec_bogus,
999 n_dnssec_indeterminate);
1000
1001 return 0;
1002}
1003
1004static int reset_statistics(sd_bus *bus) {
1005 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1006 int r;
1007
1008 r = sd_bus_call_method(bus,
1009 "org.freedesktop.resolve1",
1010 "/org/freedesktop/resolve1",
1011 "org.freedesktop.resolve1.Manager",
1012 "ResetStatistics",
1013 &error,
1014 NULL,
1015 NULL);
1016 if (r < 0)
1017 return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
1018
1019 return 0;
1020}
1021
ba35662f
LP		 1022static int flush_caches(sd_bus *bus) {
1023 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1024 int r;
1025
1026 r = sd_bus_call_method(bus,
1027 "org.freedesktop.resolve1",
1028 "/org/freedesktop/resolve1",
1029 "org.freedesktop.resolve1.Manager",
1030 "FlushCaches",
1031 &error,
1032 NULL,
1033 NULL);
1034 if (r < 0)
1035 return log_error_errno(r, "Failed to flush caches: %s", bus_error_message(&error, r));
1036
1037 return 0;
1038}
1039
be371fe0
LP		 1040static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1041 char ***l = userdata;
1042 int r;
1043
1044 assert(bus);
1045 assert(member);
1046 assert(m);
1047 assert(l);
1048
1049 r = sd_bus_message_enter_container(m, 'a', "(iay)");
1050 if (r < 0)
1051 return r;
1052
1053 for (;;) {
1054 const void *a;
1055 char *pretty;
1056 int family;
1057 size_t sz;
1058
1059 r = sd_bus_message_enter_container(m, 'r', "iay");
1060 if (r < 0)
1061 return r;
1062 if (r == 0)
1063 break;
1064
1065 r = sd_bus_message_read(m, "i", &family);
1066 if (r < 0)
1067 return r;
1068
1069 r = sd_bus_message_read_array(m, 'y', &a, &sz);
1070 if (r < 0)
1071 return r;
1072
1073 r = sd_bus_message_exit_container(m);
1074 if (r < 0)
1075 return r;
1076
1077 if (!IN_SET(family, AF_INET, AF_INET6)) {
1078 log_debug("Unexpected family, ignoring.");
1079 continue;
1080 }
1081
1082 if (sz != FAMILY_ADDRESS_SIZE(family)) {
1083 log_debug("Address size mismatch, ignoring.");
1084 continue;
1085 }
1086
1087 r = in_addr_to_string(family, a, &pretty);
1088 if (r < 0)
1089 return r;
1090
1091 r = strv_consume(l, pretty);
1092 if (r < 0)
1093 return r;
1094 }
1095
1096 r = sd_bus_message_exit_container(m);
1097 if (r < 0)
1098 return r;
1099
1100 return 0;
1101}
1102
1103static int map_link_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1104 char ***l = userdata;
1105 int r;
1106
1107 assert(bus);
1108 assert(member);
1109 assert(m);
1110 assert(l);
1111
1112 r = sd_bus_message_enter_container(m, 'a', "(sb)");
1113 if (r < 0)
1114 return r;
1115
1116 for (;;) {
1117 const char *domain;
1118 int route_only;
1119 char *pretty;
1120
1121 r = sd_bus_message_read(m, "(sb)", &domain, &route_only);
1122 if (r < 0)
1123 return r;
1124 if (r == 0)
1125 break;
1126
1127 if (route_only)
1128 pretty = strappend("~", domain);
1129 else
1130 pretty = strdup(domain);
1131 if (!pretty)
1132 return -ENOMEM;
1133
1134 r = strv_consume(l, pretty);
1135 if (r < 0)
1136 return r;
1137 }
1138
1139 r = sd_bus_message_exit_container(m);
1140 if (r < 0)
1141 return r;
1142
1143 return 0;
1144}
1145
1146static int status_ifindex(sd_bus *bus, int ifindex, const char *name, bool *empty_line) {
1147
1148 struct link_info {
1149 uint64_t scopes_mask;
1150 char *llmnr;
1151 char *mdns;
1152 char *dnssec;
1153 char **dns;
1154 char **domains;
1155 char **ntas;
1156 int dnssec_supported;
1157 } link_info = {};
1158
1159 static const struct bus_properties_map property_map[] = {
1160 { "ScopesMask", "t", NULL, offsetof(struct link_info, scopes_mask) },
1161 { "DNS", "a(iay)", map_link_dns_servers, offsetof(struct link_info, dns) },
1162 { "Domains", "a(sb)", map_link_domains, offsetof(struct link_info, domains) },
1163 { "LLMNR", "s", NULL, offsetof(struct link_info, llmnr) },
1164 { "MulticastDNS", "s", NULL, offsetof(struct link_info, mdns) },
1165 { "DNSSEC", "s", NULL, offsetof(struct link_info, dnssec) },
1166 { "DNSSECNegativeTrustAnchors", "as", NULL, offsetof(struct link_info, ntas) },
1167 { "DNSSECSupported", "b", NULL, offsetof(struct link_info, dnssec_supported) },
1168 {}
1169 };
1170
1171 _cleanup_free_ char *ifi = NULL, *p = NULL;
1172 char ifname[IF_NAMESIZE] = "";
1173 char **i;
1174 int r;
1175
1176 assert(bus);
1177 assert(ifindex > 0);
1178 assert(empty_line);
1179
1180 if (!name) {
1181 if (!if_indextoname(ifindex, ifname))
1182 return log_error_errno(errno, "Failed to resolve interface name for %i: %m", ifindex);
1183
1184 name = ifname;
1185 }
1186
1187 if (asprintf(&ifi, "%i", ifindex) < 0)
1188 return log_oom();
1189
1190 r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi, &p);
1191 if (r < 0)
1192 return log_oom();
1193
1194 r = bus_map_all_properties(bus,
1195 "org.freedesktop.resolve1",
1196 p,
1197 property_map,
1198 &link_info);
1199 if (r < 0) {
1200 log_error_errno(r, "Failed to get link data for %i: %m", ifindex);
1201 goto finish;
1202 }
1203
1204 pager_open(arg_no_pager, false);
1205
1206 if (*empty_line)
1207 fputc('\n', stdout);
1208
1209 printf("%sLink %i (%s)%s\n",
1210 ansi_highlight(), ifindex, name, ansi_normal());
1211
1212 if (link_info.scopes_mask == 0)
1213 printf(" Current Scopes: none\n");
1214 else
1215 printf(" Current Scopes:%s%s%s%s%s\n",
1216 link_info.scopes_mask & SD_RESOLVED_DNS ? " DNS" : "",
1217 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
1218 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
1219 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
1220 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
1221
1222 printf(" LLMNR setting: %s\n"
1223 "MulticastDNS setting: %s\n"
1224 " DNSSEC setting: %s\n"
1225 " DNSSEC supported: %s\n",
1226 strna(link_info.llmnr),
1227 strna(link_info.mdns),
1228 strna(link_info.dnssec),
1229 yes_no(link_info.dnssec_supported));
1230
1231 STRV_FOREACH(i, link_info.dns) {
7b7c1aac
ZJS		 1232 printf(" %s %s\n",
1233 i == link_info.dns ? "DNS Servers:" : " ",
be371fe0
LP		 1234 *i);
1235 }
1236
1237 STRV_FOREACH(i, link_info.domains) {
1238 printf(" %s %s\n",
1239 i == link_info.domains ? "DNS Domain:" : " ",
1240 *i);
1241 }
1242
1243 STRV_FOREACH(i, link_info.ntas) {
1244 printf(" %s %s\n",
1245 i == link_info.ntas ? "DNSSEC NTA:" : " ",
1246 *i);
1247 }
1248
1249 *empty_line = true;
1250
1251 r = 0;
1252
1253finish:
1254 strv_free(link_info.dns);
1255 strv_free(link_info.domains);
1256 free(link_info.llmnr);
1257 free(link_info.mdns);
1258 free(link_info.dnssec);
1259 strv_free(link_info.ntas);
1260 return r;
1261}
1262
1263static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1264 char ***l = userdata;
1265 int r;
1266
1267 assert(bus);
1268 assert(member);
1269 assert(m);
1270 assert(l);
1271
1272 r = sd_bus_message_enter_container(m, 'a', "(iiay)");
1273 if (r < 0)
1274 return r;
1275
1276 for (;;) {
1277 const void *a;
1278 char *pretty;
1279 int family, ifindex;
1280 size_t sz;
1281
1282 r = sd_bus_message_enter_container(m, 'r', "iiay");
1283 if (r < 0)
1284 return r;
1285 if (r == 0)
1286 break;
1287
1288 r = sd_bus_message_read(m, "ii", &ifindex, &family);
1289 if (r < 0)
1290 return r;
1291
1292 r = sd_bus_message_read_array(m, 'y', &a, &sz);
1293 if (r < 0)
1294 return r;
1295
1296 r = sd_bus_message_exit_container(m);
1297 if (r < 0)
1298 return r;
1299
1300 if (ifindex != 0) /* only show the global ones here */
1301 continue;
1302
1303 if (!IN_SET(family, AF_INET, AF_INET6)) {
1304 log_debug("Unexpected family, ignoring.");
1305 continue;
1306 }
1307
1308 if (sz != FAMILY_ADDRESS_SIZE(family)) {
1309 log_debug("Address size mismatch, ignoring.");
1310 continue;
1311 }
1312
1313 r = in_addr_to_string(family, a, &pretty);
1314 if (r < 0)
1315 return r;
1316
1317 r = strv_consume(l, pretty);
1318 if (r < 0)
1319 return r;
1320 }
1321
1322 r = sd_bus_message_exit_container(m);
1323 if (r < 0)
1324 return r;
1325
1326 return 0;
1327}
1328
1329static int map_global_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1330 char ***l = userdata;
1331 int r;
1332
1333 assert(bus);
1334 assert(member);
1335 assert(m);
1336 assert(l);
1337
1338 r = sd_bus_message_enter_container(m, 'a', "(isb)");
1339 if (r < 0)
1340 return r;
1341
1342 for (;;) {
1343 const char *domain;
1344 int route_only, ifindex;
1345 char *pretty;
1346
1347 r = sd_bus_message_read(m, "(isb)", &ifindex, &domain, &route_only);
1348 if (r < 0)
1349 return r;
1350 if (r == 0)
1351 break;
1352
1353 if (ifindex != 0) /* only show the global ones here */
1354 continue;
1355
1356 if (route_only)
1357 pretty = strappend("~", domain);
1358 else
1359 pretty = strdup(domain);
1360 if (!pretty)
1361 return -ENOMEM;
1362
1363 r = strv_consume(l, pretty);
1364 if (r < 0)
1365 return r;
1366 }
1367
1368 r = sd_bus_message_exit_container(m);
1369 if (r < 0)
1370 return r;
1371
1372 return 0;
1373}
1374
1375static int status_global(sd_bus *bus, bool *empty_line) {
1376
1377 struct global_info {
1378 char **dns;
1379 char **domains;
1380 char **ntas;
1381 } global_info = {};
1382
1383 static const struct bus_properties_map property_map[] = {
1384 { "DNS", "a(iiay)", map_global_dns_servers, offsetof(struct global_info, dns) },
1385 { "Domains", "a(isb)", map_global_domains, offsetof(struct global_info, domains) },
1386 { "DNSSECNegativeTrustAnchors", "as", NULL, offsetof(struct global_info, ntas) },
1387 {}
1388 };
1389
1390 char **i;
1391 int r;
1392
1393 assert(bus);
1394 assert(empty_line);
1395
1396 r = bus_map_all_properties(bus,
1397 "org.freedesktop.resolve1",
1398 "/org/freedesktop/resolve1",
1399 property_map,
1400 &global_info);
1401 if (r < 0) {
1402 log_error_errno(r, "Failed to get global data: %m");
1403 goto finish;
1404 }
1405
1406 if (strv_isempty(global_info.dns) && strv_isempty(global_info.domains) && strv_isempty(global_info.ntas)) {
1407 r = 0;
1408 goto finish;
1409 }
1410
1411 pager_open(arg_no_pager, false);
1412
1413 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
1414 STRV_FOREACH(i, global_info.dns) {
7b7c1aac
ZJS		 1415 printf(" %s %s\n",
1416 i == global_info.dns ? "DNS Servers:" : " ",
be371fe0
LP		 1417 *i);
1418 }
1419
1420 STRV_FOREACH(i, global_info.domains) {
1421 printf(" %s %s\n",
1422 i == global_info.domains ? "DNS Domain:" : " ",
1423 *i);
1424 }
1425
1426 strv_sort(global_info.ntas);
1427 STRV_FOREACH(i, global_info.ntas) {
1428 printf(" %s %s\n",
1429 i == global_info.ntas ? "DNSSEC NTA:" : " ",
1430 *i);
1431 }
1432
1433 *empty_line = true;
1434
1435 r = 0;
1436
1437finish:
1438 strv_free(global_info.dns);
1439 strv_free(global_info.domains);
1440 strv_free(global_info.ntas);
1441
1442 return r;
1443}
1444
1445static int status_all(sd_bus *bus) {
1446 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
1447 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1448 sd_netlink_message *i;
96ace31d 1449 bool empty_line = false;
be371fe0
LP		 1450 int r;
1451
1452 assert(bus);
1453
1454 r = status_global(bus, &empty_line);
1455 if (r < 0)
1456 return r;
1457
1458 r = sd_netlink_open(&rtnl);
1459 if (r < 0)
1460 return log_error_errno(r, "Failed to connect to netlink: %m");
1461
1462 r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
1463 if (r < 0)
1464 return rtnl_log_create_error(r);
1465
1466 r = sd_netlink_message_request_dump(req, true);
1467 if (r < 0)
1468 return rtnl_log_create_error(r);
1469
1470 r = sd_netlink_call(rtnl, req, 0, &reply);
1471 if (r < 0)
1472 return log_error_errno(r, "Failed to enumerate links: %m");
1473
1474 r = 0;
1475 for (i = reply; i; i = sd_netlink_message_next(i)) {
1476 const char *name;
1477 int ifindex, q;
1478 uint16_t type;
1479
1480 q = sd_netlink_message_get_type(i, &type);
1481 if (q < 0)
1482 return rtnl_log_parse_error(q);
1483
1484 if (type != RTM_NEWLINK)
1485 continue;
1486
1487 q = sd_rtnl_message_link_get_ifindex(i, &ifindex);
1488 if (q < 0)
1489 return rtnl_log_parse_error(q);
1490
1491 if (ifindex == LOOPBACK_IFINDEX)
1492 continue;
1493
1494 q = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
1495 if (q < 0)
1496 return rtnl_log_parse_error(q);
1497
1498 q = status_ifindex(bus, ifindex, name, &empty_line);
1499 if (q < 0 && r >= 0)
1500 r = q;
1501 }
1502
1503 return r;
1504}
1505
ba82da3b
ZJS		 1506static void help_protocol_types(void) {
1507 if (arg_legend)
1508 puts("Known protocol types:");
1509 puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6");
1510}
1511
b93312f5 1512static void help_dns_types(void) {
b93312f5 1513 const char *t;
be371fe0 1514 int i;
b93312f5
ZJS		 1515
1516 if (arg_legend)
09b1fe14 1517 puts("Known DNS RR types:");
b93312f5
ZJS		 1518 for (i = 0; i < _DNS_TYPE_MAX; i++) {
1519 t = dns_type_to_string(i);
1520 if (t)
1521 puts(t);
1522 }
1523}
1524
1525static void help_dns_classes(void) {
b93312f5 1526 const char *t;
be371fe0 1527 int i;
b93312f5
ZJS		 1528
1529 if (arg_legend)
09b1fe14 1530 puts("Known DNS RR classes:");
b93312f5
ZJS		 1531 for (i = 0; i < _DNS_CLASS_MAX; i++) {
1532 t = dns_class_to_string(i);
1533 if (t)
1534 puts(t);
1535 }
1536}
1537
bdef7319 1538static void help(void) {
1ace2438
ZJS		 1539 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
1540 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
1541 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
1542 "%1$s [OPTIONS...] --statistics\n"
1543 "%1$s [OPTIONS...] --reset-statistics\n"
1544 "\n"
300a716d 1545 "Resolve domain names, IPv4 and IPv6 addresses, DNS resource records, and services.\n\n"
1ace2438
ZJS		 1546 " -h --help Show this help\n"
1547 " --version Show package version\n"
be371fe0 1548 " --no-pager Do not pipe output into a pager\n"
1ace2438
ZJS		 1549 " -4 Resolve IPv4 addresses\n"
1550 " -6 Resolve IPv6 addresses\n"
1551 " -i --interface=INTERFACE Look on interface\n"
1552 " -p --protocol=PROTO|help Look via protocol\n"
1553 " -t --type=TYPE|help Query RR with DNS type\n"
1554 " -c --class=CLASS|help Query RR with DNS class\n"
1555 " --service Resolve service (SRV)\n"
1556 " --service-address=BOOL Resolve address for services (default: yes)\n"
1557 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
1558 " --openpgp Query OpenPGP public key\n"
82d1d240 1559 " --tlsa Query TLS public key\n"
1ace2438
ZJS		 1560 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
1561 " --search=BOOL Use search domains for single-label names\n"
1562 " (default: yes)\n"
dab48ea6 1563 " --raw[=payload|packet] Dump the answer as binary data\n"
1ace2438
ZJS		 1564 " --legend=BOOL Print headers and additional info (default: yes)\n"
1565 " --statistics Show resolver statistics\n"
1566 " --reset-statistics Reset resolver statistics\n"
be371fe0 1567 " --status Show link and server status\n"
ba35662f 1568 " --flush-caches Flush all local DNS caches\n"
1ace2438 1569 , program_invocation_short_name);
bdef7319
ZJS		 1570}
1571
1572static int parse_argv(int argc, char *argv[]) {
1573 enum {
1574 ARG_VERSION = 0x100,
dad29dff 1575 ARG_LEGEND,
45ec7efb
LP		 1576 ARG_SERVICE,
1577 ARG_CNAME,
1578 ARG_SERVICE_ADDRESS,
1579 ARG_SERVICE_TXT,
4ac2ca1b 1580 ARG_OPENPGP,
82d1d240 1581 ARG_TLSA,
2e74028a 1582 ARG_RAW,
801ad6a6 1583 ARG_SEARCH,
a150ff5e
LP		 1584 ARG_STATISTICS,
1585 ARG_RESET_STATISTICS,
be371fe0 1586 ARG_STATUS,
ba35662f 1587 ARG_FLUSH_CACHES,
be371fe0 1588 ARG_NO_PAGER,
bdef7319
ZJS		 1589 };
1590
1591 static const struct option options[] = {
a150ff5e
LP		 1592 { "help", no_argument, NULL, 'h' },
1593 { "version", no_argument, NULL, ARG_VERSION },
1594 { "type", required_argument, NULL, 't' },
1595 { "class", required_argument, NULL, 'c' },
1596 { "legend", required_argument, NULL, ARG_LEGEND },
5b911843 1597 { "interface", required_argument, NULL, 'i' },
a150ff5e
LP		 1598 { "protocol", required_argument, NULL, 'p' },
1599 { "cname", required_argument, NULL, ARG_CNAME },
1600 { "service", no_argument, NULL, ARG_SERVICE },
1601 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
1602 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
4ac2ca1b 1603 { "openpgp", no_argument, NULL, ARG_OPENPGP },
82d1d240 1604 { "tlsa", optional_argument, NULL, ARG_TLSA },
dab48ea6 1605 { "raw", optional_argument, NULL, ARG_RAW },
a150ff5e
LP		 1606 { "search", required_argument, NULL, ARG_SEARCH },
1607 { "statistics", no_argument, NULL, ARG_STATISTICS, },
1608 { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
be371fe0 1609 { "status", no_argument, NULL, ARG_STATUS },
ba35662f 1610 { "flush-caches", no_argument, NULL, ARG_FLUSH_CACHES },
be371fe0 1611 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
bdef7319
ZJS		 1612 {}
1613 };
1614
2d4c5cbc 1615 int c, r;
bdef7319
ZJS		 1616
1617 assert(argc >= 0);
1618 assert(argv);
1619
51323288 1620 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
bdef7319
ZJS		 1621 switch(c) {
1622
1623 case 'h':
1624 help();
1625 return 0; /* done */;
1626
1627 case ARG_VERSION:
3f6fd1ba 1628 return version();
bdef7319
ZJS		 1629
1630 case '4':
1631 arg_family = AF_INET;
1632 break;
1633
1634 case '6':
1635 arg_family = AF_INET6;
1636 break;
1637
3fa4999b
LP		 1638 case 'i': {
1639 int ifi;
1640
6ad623a3 1641 if (parse_ifindex(optarg, &ifi) >= 0)
3fa4999b
LP		 1642 arg_ifindex = ifi;
1643 else {
1644 ifi = if_nametoindex(optarg);
1645 if (ifi <= 0)
1646 return log_error_errno(errno, "Unknown interface %s: %m", optarg);
1647
1648 arg_ifindex = ifi;
1649 }
1650
2d4c5cbc 1651 break;
3fa4999b 1652 }
2d4c5cbc
LP		 1653
1654 case 't':
b93312f5
ZJS		 1655 if (streq(optarg, "help")) {
1656 help_dns_types();
1657 return 0;
1658 }
1659
4b548ef3
LP		 1660 r = dns_type_from_string(optarg);
1661 if (r < 0) {
2d4c5cbc 1662 log_error("Failed to parse RR record type %s", optarg);
4b548ef3 1663 return r;
2d4c5cbc 1664 }
4b548ef3
LP		 1665 arg_type = (uint16_t) r;
1666 assert((int) arg_type == r);
b93312f5 1667
a150ff5e 1668 arg_mode = MODE_RESOLVE_RECORD;
2d4c5cbc
LP		 1669 break;
1670
1671 case 'c':
b93312f5
ZJS		 1672 if (streq(optarg, "help")) {
1673 help_dns_classes();
1674 return 0;
1675 }
1676
4b548ef3 1677 r = dns_class_from_string(optarg);
2d4c5cbc
LP		 1678 if (r < 0) {
1679 log_error("Failed to parse RR record class %s", optarg);
1680 return r;
bdef7319 1681 }
4b548ef3
LP		 1682 arg_class = (uint16_t) r;
1683 assert((int) arg_class == r);
b93312f5
ZJS		 1684
1685 break;
1686
dad29dff 1687 case ARG_LEGEND:
45ec7efb
LP		 1688 r = parse_boolean(optarg);
1689 if (r < 0)
1690 return log_error_errno(r, "Failed to parse --legend= argument");
1691
1692 arg_legend = r;
bdef7319
ZJS		 1693 break;
1694
51323288 1695 case 'p':
ba82da3b
ZJS		 1696 if (streq(optarg, "help")) {
1697 help_protocol_types();
1698 return 0;
1699 } else if (streq(optarg, "dns"))
51323288
LP		 1700 arg_flags |= SD_RESOLVED_DNS;
1701 else if (streq(optarg, "llmnr"))
1702 arg_flags |= SD_RESOLVED_LLMNR;
1703 else if (streq(optarg, "llmnr-ipv4"))
1704 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
1705 else if (streq(optarg, "llmnr-ipv6"))
1706 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
1707 else {
1708 log_error("Unknown protocol specifier: %s", optarg);
1709 return -EINVAL;
1710 }
1711
1712 break;
1713
45ec7efb 1714 case ARG_SERVICE:
a150ff5e 1715 arg_mode = MODE_RESOLVE_SERVICE;
45ec7efb
LP		 1716 break;
1717
4ac2ca1b
ZJS		 1718 case ARG_OPENPGP:
1719 arg_mode = MODE_RESOLVE_OPENPGP;
1720 break;
1721
82d1d240
ZJS		 1722 case ARG_TLSA:
1723 arg_mode = MODE_RESOLVE_TLSA;
1724 arg_service_family = service_family_from_string(optarg);
1725 if (arg_service_family < 0) {
1726 log_error("Unknown service family \"%s\".", optarg);
1727 return -EINVAL;
1728 }
1729 break;
1730
2e74028a
ZJS		 1731 case ARG_RAW:
1732 if (on_tty()) {
1733 log_error("Refusing to write binary data to tty.");
1734 return -ENOTTY;
1735 }
1736
dab48ea6
ZJS		 1737 if (optarg == NULL || streq(optarg, "payload"))
1738 arg_raw = RAW_PAYLOAD;
1739 else if (streq(optarg, "packet"))
1740 arg_raw = RAW_PACKET;
1741 else {
1742 log_error("Unknown --raw specifier \"%s\".", optarg);
1743 return -EINVAL;
1744 }
1745
2e74028a
ZJS		 1746 arg_legend = false;
1747 break;
1748
45ec7efb
LP		 1749 case ARG_CNAME:
1750 r = parse_boolean(optarg);
1751 if (r < 0)
1752 return log_error_errno(r, "Failed to parse --cname= argument.");
5883ff60 1753 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
45ec7efb
LP		 1754 break;
1755
1756 case ARG_SERVICE_ADDRESS:
1757 r = parse_boolean(optarg);
1758 if (r < 0)
1759 return log_error_errno(r, "Failed to parse --service-address= argument.");
5883ff60 1760 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
45ec7efb
LP		 1761 break;
1762
1763 case ARG_SERVICE_TXT:
1764 r = parse_boolean(optarg);
1765 if (r < 0)
1766 return log_error_errno(r, "Failed to parse --service-txt= argument.");
5883ff60 1767 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
45ec7efb
LP		 1768 break;
1769
801ad6a6
LP		 1770 case ARG_SEARCH:
1771 r = parse_boolean(optarg);
1772 if (r < 0)
1773 return log_error_errno(r, "Failed to parse --search argument.");
5883ff60 1774 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
801ad6a6
LP		 1775 break;
1776
a150ff5e
LP		 1777 case ARG_STATISTICS:
1778 arg_mode = MODE_STATISTICS;
1779 break;
1780
1781 case ARG_RESET_STATISTICS:
1782 arg_mode = MODE_RESET_STATISTICS;
1783 break;
1784
ba35662f
LP		 1785 case ARG_FLUSH_CACHES:
1786 arg_mode = MODE_FLUSH_CACHES;
1787 break;
1788
be371fe0
LP		 1789 case ARG_STATUS:
1790 arg_mode = MODE_STATUS;
1791 break;
1792
1793 case ARG_NO_PAGER:
1794 arg_no_pager = true;
1795 break;
1796
bdef7319
ZJS		 1797 case '?':
1798 return -EINVAL;
1799
1800 default:
1801 assert_not_reached("Unhandled option");
1802 }
1803
2d4c5cbc 1804 if (arg_type == 0 && arg_class != 0) {
45ec7efb
LP		 1805 log_error("--class= may only be used in conjunction with --type=.");
1806 return -EINVAL;
1807 }
1808
82d1d240 1809 if (arg_type != 0 && arg_mode == MODE_RESOLVE_SERVICE) {
45ec7efb 1810 log_error("--service and --type= may not be combined.");
2d4c5cbc
LP		 1811 return -EINVAL;
1812 }
1813
1814 if (arg_type != 0 && arg_class == 0)
1815 arg_class = DNS_CLASS_IN;
1816
c1dafe4f
LP		 1817 if (arg_class != 0 && arg_type == 0)
1818 arg_type = DNS_TYPE_A;
1819
bdef7319
ZJS		 1820 return 1 /* work to do */;
1821}
1822
bdef7319 1823int main(int argc, char **argv) {
4afd3348 1824 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
bdef7319
ZJS		 1825 int r;
1826
1827 log_parse_environment();
1828 log_open();
1829
1830 r = parse_argv(argc, argv);
1831 if (r <= 0)
79266746
LP		 1832 goto finish;
1833
bdef7319
ZJS		 1834 r = sd_bus_open_system(&bus);
1835 if (r < 0) {
da927ba9 1836 log_error_errno(r, "sd_bus_open_system: %m");
79266746 1837 goto finish;
bdef7319
ZJS		 1838 }
1839
a150ff5e 1840 switch (arg_mode) {
45ec7efb 1841
a150ff5e
LP		 1842 case MODE_RESOLVE_HOST:
1843 if (optind >= argc) {
300a716d 1844 log_error("No arguments passed.");
a150ff5e
LP		 1845 r = -EINVAL;
1846 goto finish;
1847 }
1848
1849 while (argv[optind]) {
1850 int family, ifindex, k;
1851 union in_addr_union a;
1852
c1dafe4f
LP		 1853 if (startswith(argv[optind], "dns:"))
1854 k = resolve_rfc4501(bus, argv[optind]);
1855 else {
145fab1e 1856 k = in_addr_ifindex_from_string_auto(argv[optind], &family, &a, &ifindex);
c1dafe4f
LP		 1857 if (k >= 0)
1858 k = resolve_address(bus, family, &a, ifindex);
1859 else
1860 k = resolve_host(bus, argv[optind]);
1861 }
a150ff5e
LP		 1862
1863 if (r == 0)
1864 r = k;
1865
1866 optind++;
1867 }
1868 break;
1869
1870 case MODE_RESOLVE_RECORD:
1871 if (optind >= argc) {
300a716d 1872 log_error("No arguments passed.");
a150ff5e
LP		 1873 r = -EINVAL;
1874 goto finish;
1875 }
1876
1877 while (argv[optind]) {
1878 int k;
1879
c1dafe4f 1880 k = resolve_record(bus, argv[optind], arg_class, arg_type);
a150ff5e
LP		 1881 if (r == 0)
1882 r = k;
1883
1884 optind++;
1885 }
1886 break;
1887
1888 case MODE_RESOLVE_SERVICE:
45ec7efb
LP		 1889 if (argc < optind + 1) {
1890 log_error("Domain specification required.");
1891 r = -EINVAL;
1892 goto finish;
1893
1894 } else if (argc == optind + 1)
1895 r = resolve_service(bus, NULL, NULL, argv[optind]);
1896 else if (argc == optind + 2)
1897 r = resolve_service(bus, NULL, argv[optind], argv[optind+1]);
1898 else if (argc == optind + 3)
1899 r = resolve_service(bus, argv[optind], argv[optind+1], argv[optind+2]);
1900 else {
300a716d 1901 log_error("Too many arguments.");
45ec7efb
LP		 1902 r = -EINVAL;
1903 goto finish;
1904 }
1905
a150ff5e 1906 break;
79266746 1907
4ac2ca1b
ZJS		 1908 case MODE_RESOLVE_OPENPGP:
1909 if (argc < optind + 1) {
1910 log_error("E-mail address required.");
1911 r = -EINVAL;
1912 goto finish;
1913
1914 }
1915
1916 r = 0;
1917 while (optind < argc) {
1918 int k;
1919
1920 k = resolve_openpgp(bus, argv[optind++]);
1921 if (k < 0)
1922 r = k;
1923 }
1924 break;
1925
82d1d240
ZJS		 1926 case MODE_RESOLVE_TLSA:
1927 if (argc < optind + 1) {
1928 log_error("Domain name required.");
1929 r = -EINVAL;
1930 goto finish;
1931
1932 }
1933
1934 r = 0;
1935 while (optind < argc) {
1936 int k;
1937
1938 k = resolve_tlsa(bus, argv[optind++]);
1939 if (k < 0)
1940 r = k;
1941 }
1942 break;
1943
a150ff5e
LP		 1944 case MODE_STATISTICS:
1945 if (argc > optind) {
1946 log_error("Too many arguments.");
1947 r = -EINVAL;
1948 goto finish;
2d4c5cbc 1949 }
bdef7319 1950
a150ff5e
LP		 1951 r = show_statistics(bus);
1952 break;
1953
1954 case MODE_RESET_STATISTICS:
1955 if (argc > optind) {
1956 log_error("Too many arguments.");
1957 r = -EINVAL;
1958 goto finish;
1959 }
79266746 1960
a150ff5e
LP		 1961 r = reset_statistics(bus);
1962 break;
ba35662f
LP		 1963
1964 case MODE_FLUSH_CACHES:
1965 if (argc > optind) {
1966 log_error("Too many arguments.");
1967 r = -EINVAL;
1968 goto finish;
1969 }
1970
1971 r = flush_caches(bus);
1972 break;
be371fe0
LP		 1973
1974 case MODE_STATUS:
1975
1976 if (argc > optind) {
1977 char **ifname;
1978 bool empty_line = false;
1979
1980 r = 0;
1981 STRV_FOREACH(ifname, argv + optind) {
1982 int ifindex, q;
1983
1984 q = parse_ifindex(argv[optind], &ifindex);
1985 if (q < 0) {
1986 ifindex = if_nametoindex(argv[optind]);
1987 if (ifindex <= 0) {
1988 log_error_errno(errno, "Failed to resolve interface name: %s", argv[optind]);
1989 continue;
1990 }
1991 }
1992
1993 q = status_ifindex(bus, ifindex, NULL, &empty_line);
1994 if (q < 0 && r >= 0)
1995 r = q;
1996 }
1997 } else
1998 r = status_all(bus);
1999
2000 break;
bdef7319
ZJS		 2001 }
2002
79266746 2003finish:
be371fe0
LP		 2004 pager_close();
2005
bdef7319
ZJS		 2006 return r == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
2007}
Unnamed repository; edit this file 'description' to name the repository.