1 /* SPDX-License-Identifier: LGPL-2.1+ */
8 #include "sd-netlink.h"
11 #include "alloc-util.h"
12 #include "bus-common-errors.h"
13 #include "bus-error.h"
15 #include "dns-domain.h"
17 #include "format-table.h"
18 #include "format-util.h"
19 #include "gcrypt-util.h"
20 #include "main-func.h"
21 #include "missing_network.h"
22 #include "netlink-util.h"
24 #include "parse-util.h"
25 #include "pretty-print.h"
26 #include "resolvconf-compat.h"
27 #include "resolvectl.h"
28 #include "resolved-def.h"
29 #include "resolved-dns-packet.h"
30 #include "socket-netlink.h"
31 #include "stdio-util.h"
32 #include "string-table.h"
34 #include "terminal-util.h"
37 static int arg_family
= AF_UNSPEC
;
38 static int arg_ifindex
= 0;
39 static char *arg_ifname
= NULL
;
40 static uint16_t arg_type
= 0;
41 static uint16_t arg_class
= 0;
42 static bool arg_legend
= true;
43 static uint64_t arg_flags
= 0;
44 static PagerFlags arg_pager_flags
= 0;
45 bool arg_ifindex_permissive
= false; /* If true, don't generate an error if the specified interface index doesn't exist */
46 static const char *arg_service_family
= NULL
;
48 typedef enum RawType
{
53 static RawType arg_raw
= RAW_NONE
;
55 ExecutionMode arg_mode
= MODE_RESOLVE_HOST
;
57 char **arg_set_dns
= NULL
;
58 char **arg_set_domain
= NULL
;
59 static const char *arg_set_llmnr
= NULL
;
60 static const char *arg_set_mdns
= NULL
;
61 static const char *arg_set_dns_over_tls
= NULL
;
62 static const char *arg_set_dnssec
= NULL
;
63 static char **arg_set_nta
= NULL
;
65 STATIC_DESTRUCTOR_REGISTER(arg_ifname
, freep
);
66 STATIC_DESTRUCTOR_REGISTER(arg_set_dns
, strv_freep
);
67 STATIC_DESTRUCTOR_REGISTER(arg_set_domain
, strv_freep
);
68 STATIC_DESTRUCTOR_REGISTER(arg_set_nta
, strv_freep
);
70 typedef enum StatusMode
{
82 int ifname_mangle(const char *s
) {
83 _cleanup_free_
char *iface
= NULL
;
91 log_debug("Ignoring protocol specifier '%s'.", dot
+ 1);
92 iface
= strndup(s
, dot
- s
);
99 ifi
= resolve_interface(NULL
, iface
);
101 if (ifi
== -ENODEV
&& arg_ifindex_permissive
) {
102 log_debug("Interface '%s' not found, but -f specified, ignoring.", iface
);
106 return log_error_errno(ifi
, "Failed to resolve interface \"%s\": %m", iface
);
109 if (arg_ifindex
> 0 && arg_ifindex
!= ifi
)
110 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
), "Specified multiple different interfaces. Refusing.");
113 free_and_replace(arg_ifname
, iface
);
118 static void print_source(uint64_t flags
, usec_t rtt
) {
119 char rtt_str
[FORMAT_TIMESTAMP_MAX
];
127 printf("\n%s-- Information acquired via", ansi_grey());
130 printf(" protocol%s%s%s%s%s",
131 flags
& SD_RESOLVED_DNS
? " DNS" :"",
132 flags
& SD_RESOLVED_LLMNR_IPV4
? " LLMNR/IPv4" : "",
133 flags
& SD_RESOLVED_LLMNR_IPV6
? " LLMNR/IPv6" : "",
134 flags
& SD_RESOLVED_MDNS_IPV4
? " mDNS/IPv4" : "",
135 flags
& SD_RESOLVED_MDNS_IPV6
? " mDNS/IPv6" : "");
137 assert_se(format_timespan(rtt_str
, sizeof(rtt_str
), rtt
, 100));
140 "%s-- Data is authenticated: %s%s\n",
141 rtt_str
, ansi_normal(),
142 ansi_grey(), yes_no(flags
& SD_RESOLVED_AUTHENTICATED
), ansi_normal());
145 static void print_ifindex_comment(int printed_so_far
, int ifindex
) {
146 char ifname
[IF_NAMESIZE
+ 1];
151 if (!format_ifname(ifindex
, ifname
))
152 log_warning_errno(errno
, "Failed to resolve interface name for index %i, ignoring: %m", ifindex
);
154 printf("%*s%s-- link: %s%s",
155 60 > printed_so_far
? 60 - printed_so_far
: 0, " ", /* Align comment to the 60th column */
156 ansi_grey(), ifname
, ansi_normal());
159 static int resolve_host(sd_bus
*bus
, const char *name
) {
160 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
, *reply
= NULL
;
161 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
162 const char *canonical
= NULL
;
170 log_debug("Resolving %s (family %s, interface %s).", name
, af_to_name(arg_family
) ?: "*", isempty(arg_ifname
) ? "*" : arg_ifname
);
172 r
= sd_bus_message_new_method_call(
175 "org.freedesktop.resolve1",
176 "/org/freedesktop/resolve1",
177 "org.freedesktop.resolve1.Manager",
180 return bus_log_create_error(r
);
182 r
= sd_bus_message_append(req
, "isit", arg_ifindex
, name
, arg_family
, arg_flags
);
184 return bus_log_create_error(r
);
186 ts
= now(CLOCK_MONOTONIC
);
188 r
= sd_bus_call(bus
, req
, SD_RESOLVED_QUERY_TIMEOUT_USEC
, &error
, &reply
);
190 return log_error_errno(r
, "%s: resolve call failed: %s", name
, bus_error_message(&error
, r
));
192 ts
= now(CLOCK_MONOTONIC
) - ts
;
194 r
= sd_bus_message_enter_container(reply
, 'a', "(iiay)");
196 return bus_log_parse_error(r
);
198 while ((r
= sd_bus_message_enter_container(reply
, 'r', "iiay")) > 0) {
199 _cleanup_free_
char *pretty
= NULL
;
200 int ifindex
, family
, k
;
204 assert_cc(sizeof(int) == sizeof(int32_t));
206 r
= sd_bus_message_read(reply
, "ii", &ifindex
, &family
);
208 return bus_log_parse_error(r
);
210 r
= sd_bus_message_read_array(reply
, 'y', &a
, &sz
);
212 return bus_log_parse_error(r
);
214 r
= sd_bus_message_exit_container(reply
);
216 return bus_log_parse_error(r
);
218 if (!IN_SET(family
, AF_INET
, AF_INET6
)) {
219 log_debug("%s: skipping entry with family %d (%s)", name
, family
, af_to_name(family
) ?: "unknown");
223 if (sz
!= FAMILY_ADDRESS_SIZE(family
)) {
224 log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name
, sz
, af_to_name(family
) ?: "unknown");
228 r
= in_addr_ifindex_to_string(family
, a
, ifindex
, &pretty
);
230 return log_error_errno(r
, "Failed to print address for %s: %m", name
);
232 k
= printf("%*s%s %s%s%s",
233 (int) strlen(name
), c
== 0 ? name
: "", c
== 0 ? ":" : " ",
234 ansi_highlight(), pretty
, ansi_normal());
236 print_ifindex_comment(k
, ifindex
);
242 return bus_log_parse_error(r
);
244 r
= sd_bus_message_exit_container(reply
);
246 return bus_log_parse_error(r
);
248 r
= sd_bus_message_read(reply
, "st", &canonical
, &flags
);
250 return bus_log_parse_error(r
);
252 if (!streq(name
, canonical
))
253 printf("%*s%s (%s)\n",
254 (int) strlen(name
), c
== 0 ? name
: "", c
== 0 ? ":" : " ",
258 log_error("%s: no addresses found", name
);
262 print_source(flags
, ts
);
267 static int resolve_address(sd_bus
*bus
, int family
, const union in_addr_union
*address
, int ifindex
) {
268 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
, *reply
= NULL
;
269 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
270 _cleanup_free_
char *pretty
= NULL
;
277 assert(IN_SET(family
, AF_INET
, AF_INET6
));
281 ifindex
= arg_ifindex
;
283 r
= in_addr_ifindex_to_string(family
, address
, ifindex
, &pretty
);
287 log_debug("Resolving %s.", pretty
);
289 r
= sd_bus_message_new_method_call(
292 "org.freedesktop.resolve1",
293 "/org/freedesktop/resolve1",
294 "org.freedesktop.resolve1.Manager",
297 return bus_log_create_error(r
);
299 r
= sd_bus_message_append(req
, "ii", ifindex
, family
);
301 return bus_log_create_error(r
);
303 r
= sd_bus_message_append_array(req
, 'y', address
, FAMILY_ADDRESS_SIZE(family
));
305 return bus_log_create_error(r
);
307 r
= sd_bus_message_append(req
, "t", arg_flags
);
309 return bus_log_create_error(r
);
311 ts
= now(CLOCK_MONOTONIC
);
313 r
= sd_bus_call(bus
, req
, SD_RESOLVED_QUERY_TIMEOUT_USEC
, &error
, &reply
);
315 return log_error_errno(r
, "%s: resolve call failed: %s", pretty
, bus_error_message(&error
, r
));
317 ts
= now(CLOCK_MONOTONIC
) - ts
;
319 r
= sd_bus_message_enter_container(reply
, 'a', "(is)");
321 return bus_log_create_error(r
);
323 while ((r
= sd_bus_message_enter_container(reply
, 'r', "is")) > 0) {
327 assert_cc(sizeof(int) == sizeof(int32_t));
329 r
= sd_bus_message_read(reply
, "is", &ifindex
, &n
);
333 r
= sd_bus_message_exit_container(reply
);
337 k
= printf("%*s%s %s%s%s",
338 (int) strlen(pretty
), c
== 0 ? pretty
: "",
340 ansi_highlight(), n
, ansi_normal());
342 print_ifindex_comment(k
, ifindex
);
348 return bus_log_parse_error(r
);
350 r
= sd_bus_message_exit_container(reply
);
352 return bus_log_parse_error(r
);
354 r
= sd_bus_message_read(reply
, "t", &flags
);
356 return bus_log_parse_error(r
);
359 log_error("%s: no names found", pretty
);
363 print_source(flags
, ts
);
368 static int output_rr_packet(const void *d
, size_t l
, int ifindex
) {
369 _cleanup_(dns_resource_record_unrefp
) DnsResourceRecord
*rr
= NULL
;
370 _cleanup_(dns_packet_unrefp
) DnsPacket
*p
= NULL
;
373 r
= dns_packet_new(&p
, DNS_PROTOCOL_DNS
, 0, DNS_PACKET_SIZE_MAX
);
377 p
->refuse_compression
= true;
379 r
= dns_packet_append_blob(p
, d
, l
, NULL
);
383 r
= dns_packet_read_rr(p
, &rr
, NULL
, NULL
);
385 return log_error_errno(r
, "Failed to parse RR: %m");
387 if (arg_raw
== RAW_PAYLOAD
) {
391 k
= dns_resource_record_payload(rr
, &data
);
393 return log_error_errno(k
, "Cannot dump RR: %m");
394 fwrite(data
, 1, k
, stdout
);
399 s
= dns_resource_record_to_string(rr
);
404 print_ifindex_comment(k
, ifindex
);
411 static int resolve_record(sd_bus
*bus
, const char *name
, uint16_t class, uint16_t type
, bool warn_missing
) {
412 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
, *reply
= NULL
;
413 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
418 bool needs_authentication
= false;
422 log_debug("Resolving %s %s %s (interface %s).", name
, dns_class_to_string(class), dns_type_to_string(type
), isempty(arg_ifname
) ? "*" : arg_ifname
);
424 r
= sd_bus_message_new_method_call(
427 "org.freedesktop.resolve1",
428 "/org/freedesktop/resolve1",
429 "org.freedesktop.resolve1.Manager",
432 return bus_log_create_error(r
);
434 r
= sd_bus_message_append(req
, "isqqt", arg_ifindex
, name
, class, type
, arg_flags
);
436 return bus_log_create_error(r
);
438 ts
= now(CLOCK_MONOTONIC
);
440 r
= sd_bus_call(bus
, req
, SD_RESOLVED_QUERY_TIMEOUT_USEC
, &error
, &reply
);
442 if (warn_missing
|| r
!= -ENXIO
)
443 log_error("%s: resolve call failed: %s", name
, bus_error_message(&error
, r
));
447 ts
= now(CLOCK_MONOTONIC
) - ts
;
449 r
= sd_bus_message_enter_container(reply
, 'a', "(iqqay)");
451 return bus_log_parse_error(r
);
453 while ((r
= sd_bus_message_enter_container(reply
, 'r', "iqqay")) > 0) {
459 assert_cc(sizeof(int) == sizeof(int32_t));
461 r
= sd_bus_message_read(reply
, "iqq", &ifindex
, &c
, &t
);
463 return bus_log_parse_error(r
);
465 r
= sd_bus_message_read_array(reply
, 'y', &d
, &l
);
467 return bus_log_parse_error(r
);
469 r
= sd_bus_message_exit_container(reply
);
471 return bus_log_parse_error(r
);
473 if (arg_raw
== RAW_PACKET
) {
474 uint64_t u64
= htole64(l
);
476 fwrite(&u64
, sizeof(u64
), 1, stdout
);
477 fwrite(d
, 1, l
, stdout
);
479 r
= output_rr_packet(d
, l
, ifindex
);
484 if (dns_type_needs_authentication(t
))
485 needs_authentication
= true;
490 return bus_log_parse_error(r
);
492 r
= sd_bus_message_exit_container(reply
);
494 return bus_log_parse_error(r
);
496 r
= sd_bus_message_read(reply
, "t", &flags
);
498 return bus_log_parse_error(r
);
502 log_error("%s: no records found", name
);
506 print_source(flags
, ts
);
508 if ((flags
& SD_RESOLVED_AUTHENTICATED
) == 0 && needs_authentication
) {
511 fprintf(stderr
, "\n%s"
512 "WARNING: The resources shown contain cryptographic key data which could not be\n"
513 " authenticated. It is not suitable to authenticate any communication.\n"
514 " This is usually indication that DNSSEC authentication was not enabled\n"
515 " or is not available for the selected protocol or DNS servers.%s\n",
516 ansi_highlight_red(),
523 static int resolve_rfc4501(sd_bus
*bus
, const char *name
) {
524 uint16_t type
= 0, class = 0;
525 const char *p
, *q
, *n
;
530 assert(startswith(name
, "dns:"));
532 /* Parse RFC 4501 dns: URIs */
542 e
= strchr(p
+ 2, '/');
547 log_warning("DNS authority specification not supported; ignoring specified authority.");
554 n
= strndupa(p
, q
- p
);
560 f
= startswith_no_case(q
, "class=");
562 _cleanup_free_
char *t
= NULL
;
566 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
567 "DNS class specified twice.");
569 e
= strchrnul(f
, ';');
570 t
= strndup(f
, e
- f
);
574 r
= dns_class_from_string(t
);
576 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
577 "Unknown DNS class %s.", t
);
589 f
= startswith_no_case(q
, "type=");
591 _cleanup_free_
char *t
= NULL
;
595 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
596 "DNS type specified twice.");
598 e
= strchrnul(f
, ';');
599 t
= strndup(f
, e
- f
);
603 r
= dns_type_from_string(t
);
605 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
606 "Unknown DNS type %s.", t
);
624 class = arg_class
?: DNS_CLASS_IN
;
626 type
= arg_type
?: DNS_TYPE_A
;
628 return resolve_record(bus
, n
, class, type
, true);
631 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
632 "Invalid DNS URI: %s", name
);
635 static int verb_query(int argc
, char **argv
, void *userdata
) {
636 sd_bus
*bus
= userdata
;
641 STRV_FOREACH(p
, argv
+ 1) {
642 q
= resolve_record(bus
, *p
, arg_class
, arg_type
, true);
648 STRV_FOREACH(p
, argv
+ 1) {
649 if (startswith(*p
, "dns:"))
650 q
= resolve_rfc4501(bus
, *p
);
653 union in_addr_union a
;
655 q
= in_addr_ifindex_from_string_auto(*p
, &family
, &a
, &ifindex
);
657 q
= resolve_address(bus
, family
, &a
, ifindex
);
659 q
= resolve_host(bus
, *p
);
668 static int resolve_service(sd_bus
*bus
, const char *name
, const char *type
, const char *domain
) {
669 const char *canonical_name
, *canonical_type
, *canonical_domain
;
670 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
, *reply
= NULL
;
671 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
682 name
= empty_to_null(name
);
683 type
= empty_to_null(type
);
686 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
);
688 log_debug("Resolving service type %s of %s (family %s, interface %s).", type
, domain
, af_to_name(arg_family
) ?: "*", isempty(arg_ifname
) ? "*" : arg_ifname
);
690 log_debug("Resolving service type %s (family %s, interface %s).", domain
, af_to_name(arg_family
) ?: "*", isempty(arg_ifname
) ? "*" : arg_ifname
);
692 r
= sd_bus_message_new_method_call(
695 "org.freedesktop.resolve1",
696 "/org/freedesktop/resolve1",
697 "org.freedesktop.resolve1.Manager",
700 return bus_log_create_error(r
);
702 r
= sd_bus_message_append(req
, "isssit", arg_ifindex
, name
, type
, domain
, arg_family
, arg_flags
);
704 return bus_log_create_error(r
);
706 ts
= now(CLOCK_MONOTONIC
);
708 r
= sd_bus_call(bus
, req
, SD_RESOLVED_QUERY_TIMEOUT_USEC
, &error
, &reply
);
710 return log_error_errno(r
, "Resolve call failed: %s", bus_error_message(&error
, r
));
712 ts
= now(CLOCK_MONOTONIC
) - ts
;
714 r
= sd_bus_message_enter_container(reply
, 'a', "(qqqsa(iiay)s)");
716 return bus_log_parse_error(r
);
719 (name
? strlen(name
) + 1 : 0) +
720 (type
? strlen(type
) + 1 : 0) +
724 while ((r
= sd_bus_message_enter_container(reply
, 'r', "qqqsa(iiay)s")) > 0) {
725 uint16_t priority
, weight
, port
;
726 const char *hostname
, *canonical
;
728 r
= sd_bus_message_read(reply
, "qqqs", &priority
, &weight
, &port
, &hostname
);
730 return bus_log_parse_error(r
);
733 printf("%*s%s", (int) strlen(name
), c
== 0 ? name
: "", c
== 0 ? "/" : " ");
735 printf("%*s%s", (int) strlen(type
), c
== 0 ? type
: "", c
== 0 ? "/" : " ");
737 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
738 (int) strlen(domain
), c
== 0 ? domain
: "",
743 r
= sd_bus_message_enter_container(reply
, 'a', "(iiay)");
745 return bus_log_parse_error(r
);
747 while ((r
= sd_bus_message_enter_container(reply
, 'r', "iiay")) > 0) {
748 _cleanup_free_
char *pretty
= NULL
;
749 int ifindex
, family
, k
;
752 assert_cc(sizeof(int) == sizeof(int32_t));
754 r
= sd_bus_message_read(reply
, "ii", &ifindex
, &family
);
756 return bus_log_parse_error(r
);
758 r
= sd_bus_message_read_array(reply
, 'y', &a
, &sz
);
760 return bus_log_parse_error(r
);
762 r
= sd_bus_message_exit_container(reply
);
764 return bus_log_parse_error(r
);
766 if (!IN_SET(family
, AF_INET
, AF_INET6
)) {
767 log_debug("%s: skipping entry with family %d (%s)", name
, family
, af_to_name(family
) ?: "unknown");
771 if (sz
!= FAMILY_ADDRESS_SIZE(family
)) {
772 log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name
, sz
, af_to_name(family
) ?: "unknown");
776 r
= in_addr_ifindex_to_string(family
, a
, ifindex
, &pretty
);
778 return log_error_errno(r
, "Failed to print address for %s: %m", name
);
780 k
= printf("%*s%s", (int) indent
, "", pretty
);
781 print_ifindex_comment(k
, ifindex
);
785 return bus_log_parse_error(r
);
787 r
= sd_bus_message_exit_container(reply
);
789 return bus_log_parse_error(r
);
791 r
= sd_bus_message_read(reply
, "s", &canonical
);
793 return bus_log_parse_error(r
);
795 if (!streq(hostname
, canonical
))
796 printf("%*s(%s)\n", (int) indent
, "", canonical
);
798 r
= sd_bus_message_exit_container(reply
);
800 return bus_log_parse_error(r
);
805 return bus_log_parse_error(r
);
807 r
= sd_bus_message_exit_container(reply
);
809 return bus_log_parse_error(r
);
811 r
= sd_bus_message_enter_container(reply
, 'a', "ay");
813 return bus_log_parse_error(r
);
815 while ((r
= sd_bus_message_read_array(reply
, 'y', (const void**) &p
, &sz
)) > 0) {
816 _cleanup_free_
char *escaped
= NULL
;
818 escaped
= cescape_length(p
, sz
);
822 printf("%*s%s\n", (int) indent
, "", escaped
);
825 return bus_log_parse_error(r
);
827 r
= sd_bus_message_exit_container(reply
);
829 return bus_log_parse_error(r
);
831 r
= sd_bus_message_read(reply
, "ssst", &canonical_name
, &canonical_type
, &canonical_domain
, &flags
);
833 return bus_log_parse_error(r
);
835 canonical_name
= empty_to_null(canonical_name
);
836 canonical_type
= empty_to_null(canonical_type
);
838 if (!streq_ptr(name
, canonical_name
) ||
839 !streq_ptr(type
, canonical_type
) ||
840 !streq_ptr(domain
, canonical_domain
)) {
842 printf("%*s(", (int) indent
, "");
845 printf("%s/", canonical_name
);
847 printf("%s/", canonical_type
);
849 printf("%s)\n", canonical_domain
);
852 print_source(flags
, ts
);
857 static int verb_service(int argc
, char **argv
, void *userdata
) {
858 sd_bus
*bus
= userdata
;
861 return resolve_service(bus
, NULL
, NULL
, argv
[1]);
863 return resolve_service(bus
, NULL
, argv
[1], argv
[2]);
865 return resolve_service(bus
, argv
[1], argv
[2], argv
[3]);
868 static int resolve_openpgp(sd_bus
*bus
, const char *address
) {
869 const char *domain
, *full
;
871 _cleanup_free_
char *hashed
= NULL
;
876 domain
= strrchr(address
, '@');
878 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
879 "Address does not contain '@': \"%s\"", address
);
880 if (domain
== address
|| domain
[1] == '\0')
881 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
882 "Address starts or ends with '@': \"%s\"", address
);
885 r
= string_hashsum_sha256(address
, domain
- 1 - address
, &hashed
);
887 return log_error_errno(r
, "Hashing failed: %m");
889 strshorten(hashed
, 56);
891 full
= strjoina(hashed
, "._openpgpkey.", domain
);
892 log_debug("Looking up \"%s\".", full
);
894 r
= resolve_record(bus
, full
,
895 arg_class
?: DNS_CLASS_IN
,
896 arg_type
?: DNS_TYPE_OPENPGPKEY
, false);
898 if (IN_SET(r
, -ENXIO
, -ESRCH
)) { /* NXDOMAIN or NODATA? */
899 hashed
= mfree(hashed
);
900 r
= string_hashsum_sha224(address
, domain
- 1 - address
, &hashed
);
902 return log_error_errno(r
, "Hashing failed: %m");
904 full
= strjoina(hashed
, "._openpgpkey.", domain
);
905 log_debug("Looking up \"%s\".", full
);
907 return resolve_record(bus
, full
,
908 arg_class
?: DNS_CLASS_IN
,
909 arg_type
?: DNS_TYPE_OPENPGPKEY
, true);
915 static int verb_openpgp(int argc
, char **argv
, void *userdata
) {
916 sd_bus
*bus
= userdata
;
920 STRV_FOREACH(p
, argv
+ 1) {
921 q
= resolve_openpgp(bus
, *p
);
929 static int resolve_tlsa(sd_bus
*bus
, const char *family
, const char *address
) {
931 uint16_t port_num
= 443;
932 _cleanup_free_
char *full
= NULL
;
938 port
= strrchr(address
, ':');
940 r
= parse_ip_port(port
+ 1, &port_num
);
942 return log_error_errno(r
, "Invalid port \"%s\".", port
+ 1);
944 address
= strndupa(address
, port
- address
);
947 r
= asprintf(&full
, "_%u._%s.%s",
954 log_debug("Looking up \"%s\".", full
);
956 return resolve_record(bus
, full
,
957 arg_class
?: DNS_CLASS_IN
,
958 arg_type
?: DNS_TYPE_TLSA
, true);
961 static bool service_family_is_valid(const char *s
) {
962 return STR_IN_SET(s
, "tcp", "udp", "sctp");
965 static int verb_tlsa(int argc
, char **argv
, void *userdata
) {
966 sd_bus
*bus
= userdata
;
967 char **p
, **args
= argv
+ 1;
968 const char *family
= "tcp";
971 if (service_family_is_valid(argv
[1])) {
976 STRV_FOREACH(p
, args
) {
977 q
= resolve_tlsa(bus
, family
, *p
);
985 static int show_statistics(int argc
, char **argv
, void *userdata
) {
986 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
987 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
988 _cleanup_(table_unrefp
) Table
*table
= NULL
;
989 sd_bus
*bus
= userdata
;
990 uint64_t n_current_transactions
, n_total_transactions
,
991 cache_size
, n_cache_hit
, n_cache_miss
,
992 n_dnssec_secure
, n_dnssec_insecure
, n_dnssec_bogus
, n_dnssec_indeterminate
;
993 int r
, dnssec_supported
;
997 r
= sd_bus_get_property_trivial(bus
,
998 "org.freedesktop.resolve1",
999 "/org/freedesktop/resolve1",
1000 "org.freedesktop.resolve1.Manager",
1006 return log_error_errno(r
, "Failed to get DNSSEC supported state: %s", bus_error_message(&error
, r
));
1008 printf("DNSSEC supported by current servers: %s%s%s\n\n",
1010 yes_no(dnssec_supported
),
1013 r
= sd_bus_get_property(bus
,
1014 "org.freedesktop.resolve1",
1015 "/org/freedesktop/resolve1",
1016 "org.freedesktop.resolve1.Manager",
1017 "TransactionStatistics",
1022 return log_error_errno(r
, "Failed to get transaction statistics: %s", bus_error_message(&error
, r
));
1024 r
= sd_bus_message_read(reply
, "(tt)",
1025 &n_current_transactions
,
1026 &n_total_transactions
);
1028 return bus_log_parse_error(r
);
1030 reply
= sd_bus_message_unref(reply
);
1032 r
= sd_bus_get_property(bus
,
1033 "org.freedesktop.resolve1",
1034 "/org/freedesktop/resolve1",
1035 "org.freedesktop.resolve1.Manager",
1041 return log_error_errno(r
, "Failed to get cache statistics: %s", bus_error_message(&error
, r
));
1043 r
= sd_bus_message_read(reply
, "(ttt)",
1048 return bus_log_parse_error(r
);
1050 reply
= sd_bus_message_unref(reply
);
1052 r
= sd_bus_get_property(bus
,
1053 "org.freedesktop.resolve1",
1054 "/org/freedesktop/resolve1",
1055 "org.freedesktop.resolve1.Manager",
1061 return log_error_errno(r
, "Failed to get DNSSEC statistics: %s", bus_error_message(&error
, r
));
1063 r
= sd_bus_message_read(reply
, "(tttt)",
1067 &n_dnssec_indeterminate
);
1069 return bus_log_parse_error(r
);
1071 table
= table_new("key", "value");
1075 table_set_header(table
, false);
1077 r
= table_add_many(table
,
1078 TABLE_STRING
, "Transactions",
1079 TABLE_SET_COLOR
, ansi_highlight(),
1081 TABLE_STRING
, "Current Transactions:",
1082 TABLE_SET_ALIGN_PERCENT
, 100,
1083 TABLE_UINT64
, n_current_transactions
,
1084 TABLE_STRING
, "Total Transactions:",
1085 TABLE_UINT64
, n_total_transactions
,
1086 TABLE_EMPTY
, TABLE_EMPTY
,
1087 TABLE_STRING
, "Cache",
1088 TABLE_SET_COLOR
, ansi_highlight(),
1089 TABLE_SET_ALIGN_PERCENT
, 0,
1091 TABLE_STRING
, "Current Cache Size:",
1092 TABLE_SET_ALIGN_PERCENT
, 100,
1093 TABLE_UINT64
, cache_size
,
1094 TABLE_STRING
, "Cache Hits:",
1095 TABLE_UINT64
, n_cache_hit
,
1096 TABLE_STRING
, "Cache Misses:",
1097 TABLE_UINT64
, n_cache_miss
,
1098 TABLE_EMPTY
, TABLE_EMPTY
,
1099 TABLE_STRING
, "DNSSEC Verdicts",
1100 TABLE_SET_COLOR
, ansi_highlight(),
1101 TABLE_SET_ALIGN_PERCENT
, 0,
1103 TABLE_STRING
, "Secure:",
1104 TABLE_SET_ALIGN_PERCENT
, 100,
1105 TABLE_UINT64
, n_dnssec_secure
,
1106 TABLE_STRING
, "Insecure:",
1107 TABLE_UINT64
, n_dnssec_insecure
,
1108 TABLE_STRING
, "Bogus:",
1109 TABLE_UINT64
, n_dnssec_bogus
,
1110 TABLE_STRING
, "Indeterminate:",
1111 TABLE_UINT64
, n_dnssec_indeterminate
);
1113 table_log_add_error(r
);
1115 r
= table_print(table
, NULL
);
1117 return log_error_errno(r
, "Failed to print table: %m");
1122 static int reset_statistics(int argc
, char **argv
, void *userdata
) {
1123 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1124 sd_bus
*bus
= userdata
;
1127 r
= sd_bus_call_method(bus
,
1128 "org.freedesktop.resolve1",
1129 "/org/freedesktop/resolve1",
1130 "org.freedesktop.resolve1.Manager",
1136 return log_error_errno(r
, "Failed to reset statistics: %s", bus_error_message(&error
, r
));
1141 static int flush_caches(int argc
, char **argv
, void *userdata
) {
1142 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1143 sd_bus
*bus
= userdata
;
1146 r
= sd_bus_call_method(bus
,
1147 "org.freedesktop.resolve1",
1148 "/org/freedesktop/resolve1",
1149 "org.freedesktop.resolve1.Manager",
1155 return log_error_errno(r
, "Failed to flush caches: %s", bus_error_message(&error
, r
));
1160 static int reset_server_features(int argc
, char **argv
, void *userdata
) {
1161 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1162 sd_bus
*bus
= userdata
;
1165 r
= sd_bus_call_method(bus
,
1166 "org.freedesktop.resolve1",
1167 "/org/freedesktop/resolve1",
1168 "org.freedesktop.resolve1.Manager",
1169 "ResetServerFeatures",
1174 return log_error_errno(r
, "Failed to reset server features: %s", bus_error_message(&error
, r
));
1179 static int read_dns_server_one(sd_bus_message
*m
, bool with_ifindex
, char **ret
) {
1180 _cleanup_free_
char *pretty
= NULL
;
1181 int ifindex
, family
, r
;
1188 r
= sd_bus_message_enter_container(m
, 'r', with_ifindex
? "iiay" : "iay");
1193 r
= sd_bus_message_read(m
, "i", &ifindex
);
1198 r
= sd_bus_message_read(m
, "i", &family
);
1202 r
= sd_bus_message_read_array(m
, 'y', &a
, &sz
);
1206 r
= sd_bus_message_exit_container(m
);
1210 if (with_ifindex
&& ifindex
!= 0) {
1211 /* only show the global ones here */
1216 if (!IN_SET(family
, AF_INET
, AF_INET6
)) {
1217 log_debug("Unexpected family, ignoring: %i", family
);
1223 if (sz
!= FAMILY_ADDRESS_SIZE(family
)) {
1224 log_debug("Address size mismatch, ignoring.");
1230 r
= in_addr_to_string(family
, a
, &pretty
);
1234 *ret
= TAKE_PTR(pretty
);
1239 static int map_link_dns_servers(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1240 char ***l
= userdata
;
1248 r
= sd_bus_message_enter_container(m
, 'a', "(iay)");
1253 _cleanup_free_
char *pretty
= NULL
;
1255 r
= read_dns_server_one(m
, false, &pretty
);
1261 if (isempty(pretty
))
1264 r
= strv_consume(l
, TAKE_PTR(pretty
));
1269 r
= sd_bus_message_exit_container(m
);
1276 static int map_link_current_dns_server(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1280 return read_dns_server_one(m
, false, userdata
);
1283 static int read_domain_one(sd_bus_message
*m
, bool with_ifindex
, char **ret
) {
1284 _cleanup_free_
char *str
= NULL
;
1285 int ifindex
, route_only
, r
;
1292 r
= sd_bus_message_read(m
, "(isb)", &ifindex
, &domain
, &route_only
);
1294 r
= sd_bus_message_read(m
, "(sb)", &domain
, &route_only
);
1298 if (with_ifindex
&& ifindex
!= 0) {
1299 /* only show the global ones here */
1305 str
= strjoin("~", domain
);
1307 str
= strdup(domain
);
1311 *ret
= TAKE_PTR(str
);
1316 static int map_link_domains(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1317 char ***l
= userdata
;
1325 r
= sd_bus_message_enter_container(m
, 'a', "(sb)");
1330 _cleanup_free_
char *pretty
= NULL
;
1332 r
= read_domain_one(m
, false, &pretty
);
1338 if (isempty(pretty
))
1341 r
= strv_consume(l
, TAKE_PTR(pretty
));
1346 r
= sd_bus_message_exit_container(m
);
1353 static int status_print_strv_ifindex(int ifindex
, const char *ifname
, char **p
) {
1356 printf("%sLink %i (%s)%s:",
1357 ansi_highlight(), ifindex
, ifname
, ansi_normal());
1368 uint64_t scopes_mask
;
1371 const char *dns_over_tls
;
1377 bool dnssec_supported
;
1381 static void link_info_clear(struct link_info
*p
) {
1382 free(p
->current_dns
);
1384 strv_free(p
->domains
);
1388 static int dump_list(Table
*table
, const char *prefix
, char * const *l
) {
1391 if (strv_isempty(l
))
1394 r
= table_add_many(table
,
1395 TABLE_STRING
, prefix
,
1398 return table_log_add_error(r
);
1403 static int status_ifindex(sd_bus
*bus
, int ifindex
, const char *name
, StatusMode mode
, bool *empty_line
) {
1404 static const struct bus_properties_map property_map
[] = {
1405 { "ScopesMask", "t", NULL
, offsetof(struct link_info
, scopes_mask
) },
1406 { "DNS", "a(iay)", map_link_dns_servers
, offsetof(struct link_info
, dns
) },
1407 { "CurrentDNSServer", "(iay)", map_link_current_dns_server
, offsetof(struct link_info
, current_dns
) },
1408 { "Domains", "a(sb)", map_link_domains
, offsetof(struct link_info
, domains
) },
1409 { "DefaultRoute", "b", NULL
, offsetof(struct link_info
, default_route
) },
1410 { "LLMNR", "s", NULL
, offsetof(struct link_info
, llmnr
) },
1411 { "MulticastDNS", "s", NULL
, offsetof(struct link_info
, mdns
) },
1412 { "DNSOverTLS", "s", NULL
, offsetof(struct link_info
, dns_over_tls
) },
1413 { "DNSSEC", "s", NULL
, offsetof(struct link_info
, dnssec
) },
1414 { "DNSSECNegativeTrustAnchors", "as", NULL
, offsetof(struct link_info
, ntas
) },
1415 { "DNSSECSupported", "b", NULL
, offsetof(struct link_info
, dnssec_supported
) },
1418 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1419 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
1420 _cleanup_(link_info_clear
) struct link_info link_info
= {};
1421 _cleanup_(table_unrefp
) Table
*table
= NULL
;
1422 _cleanup_free_
char *p
= NULL
;
1423 char ifi
[DECIMAL_STR_MAX(int)], ifname
[IF_NAMESIZE
+ 1] = "";
1427 assert(ifindex
> 0);
1430 if (!format_ifname(ifindex
, ifname
))
1431 return log_error_errno(errno
, "Failed to resolve interface name for %i: %m", ifindex
);
1436 xsprintf(ifi
, "%i", ifindex
);
1437 r
= sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi
, &p
);
1441 r
= bus_map_all_properties(bus
,
1442 "org.freedesktop.resolve1",
1445 BUS_MAP_BOOLEAN_AS_BOOL
,
1450 return log_error_errno(r
, "Failed to get link data for %i: %s", ifindex
, bus_error_message(&error
, r
));
1452 (void) pager_open(arg_pager_flags
);
1454 if (mode
== STATUS_DNS
)
1455 return status_print_strv_ifindex(ifindex
, name
, link_info
.dns
);
1457 if (mode
== STATUS_DOMAIN
)
1458 return status_print_strv_ifindex(ifindex
, name
, link_info
.domains
);
1460 if (mode
== STATUS_NTA
)
1461 return status_print_strv_ifindex(ifindex
, name
, link_info
.ntas
);
1463 if (mode
== STATUS_DEFAULT_ROUTE
) {
1464 printf("%sLink %i (%s)%s: %s\n",
1465 ansi_highlight(), ifindex
, name
, ansi_normal(),
1466 yes_no(link_info
.default_route
));
1471 if (mode
== STATUS_LLMNR
) {
1472 printf("%sLink %i (%s)%s: %s\n",
1473 ansi_highlight(), ifindex
, name
, ansi_normal(),
1474 strna(link_info
.llmnr
));
1479 if (mode
== STATUS_MDNS
) {
1480 printf("%sLink %i (%s)%s: %s\n",
1481 ansi_highlight(), ifindex
, name
, ansi_normal(),
1482 strna(link_info
.mdns
));
1487 if (mode
== STATUS_PRIVATE
) {
1488 printf("%sLink %i (%s)%s: %s\n",
1489 ansi_highlight(), ifindex
, name
, ansi_normal(),
1490 strna(link_info
.dns_over_tls
));
1495 if (mode
== STATUS_DNSSEC
) {
1496 printf("%sLink %i (%s)%s: %s\n",
1497 ansi_highlight(), ifindex
, name
, ansi_normal(),
1498 strna(link_info
.dnssec
));
1503 if (empty_line
&& *empty_line
)
1504 fputc('\n', stdout
);
1506 printf("%sLink %i (%s)%s\n",
1507 ansi_highlight(), ifindex
, name
, ansi_normal());
1509 table
= table_new("key", "value");
1513 table_set_header(table
, false);
1515 r
= table_add_many(table
,
1516 TABLE_STRING
, "Current Scopes:",
1517 TABLE_SET_ALIGN_PERCENT
, 100);
1519 return table_log_add_error(r
);
1521 if (link_info
.scopes_mask
== 0)
1522 r
= table_add_cell(table
, NULL
, TABLE_STRING
, "none");
1524 _cleanup_free_
char *buf
= NULL
;
1527 if (asprintf(&buf
, "%s%s%s%s%s",
1528 link_info
.scopes_mask
& SD_RESOLVED_DNS
? "DNS " : "",
1529 link_info
.scopes_mask
& SD_RESOLVED_LLMNR_IPV4
? "LLMNR/IPv4 " : "",
1530 link_info
.scopes_mask
& SD_RESOLVED_LLMNR_IPV6
? "LLMNR/IPv6 " : "",
1531 link_info
.scopes_mask
& SD_RESOLVED_MDNS_IPV4
? "mDNS/IPv4 " : "",
1532 link_info
.scopes_mask
& SD_RESOLVED_MDNS_IPV6
? "mDNS/IPv6 " : "") < 0)
1537 buf
[len
- 1] = '\0';
1539 r
= table_add_cell(table
, NULL
, TABLE_STRING
, buf
);
1542 return table_log_add_error(r
);
1544 r
= table_add_many(table
,
1545 TABLE_STRING
, "DefaultRoute setting:",
1546 TABLE_BOOLEAN
, link_info
.default_route
,
1547 TABLE_STRING
, "LLMNR setting:",
1548 TABLE_STRING
, strna(link_info
.llmnr
),
1549 TABLE_STRING
, "MulticastDNS setting:",
1550 TABLE_STRING
, strna(link_info
.mdns
),
1551 TABLE_STRING
, "DNSOverTLS setting:",
1552 TABLE_STRING
, strna(link_info
.dns_over_tls
),
1553 TABLE_STRING
, "DNSSEC setting:",
1554 TABLE_STRING
, strna(link_info
.dnssec
),
1555 TABLE_STRING
, "DNSSEC supported:",
1556 TABLE_BOOLEAN
, link_info
.dnssec_supported
);
1558 return table_log_add_error(r
);
1560 if (link_info
.current_dns
) {
1561 r
= table_add_many(table
,
1562 TABLE_STRING
, "Current DNS Server:",
1563 TABLE_STRING
, link_info
.current_dns
);
1565 return table_log_add_error(r
);
1568 r
= dump_list(table
, "DNS Servers:", link_info
.dns
);
1572 r
= dump_list(table
, "DNS Domain:", link_info
.domains
);
1576 r
= dump_list(table
, "DNSSEC NTA:", link_info
.ntas
);
1580 r
= table_print(table
, NULL
);
1582 return log_error_errno(r
, "Failed to print table: %m");
1590 static int map_global_dns_servers(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1591 char ***l
= userdata
;
1599 r
= sd_bus_message_enter_container(m
, 'a', "(iiay)");
1604 _cleanup_free_
char *pretty
= NULL
;
1606 r
= read_dns_server_one(m
, true, &pretty
);
1612 if (isempty(pretty
))
1615 r
= strv_consume(l
, TAKE_PTR(pretty
));
1620 r
= sd_bus_message_exit_container(m
);
1627 static int map_global_current_dns_server(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1631 return read_dns_server_one(m
, true, userdata
);
1634 static int map_global_domains(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1635 char ***l
= userdata
;
1643 r
= sd_bus_message_enter_container(m
, 'a', "(isb)");
1648 _cleanup_free_
char *pretty
= NULL
;
1650 r
= read_domain_one(m
, true, &pretty
);
1656 if (isempty(pretty
))
1659 r
= strv_consume(l
, TAKE_PTR(pretty
));
1664 r
= sd_bus_message_exit_container(m
);
1671 static int status_print_strv_global(char **p
) {
1674 printf("%sGlobal%s:", ansi_highlight(), ansi_normal());
1684 struct global_info
{
1687 char **fallback_dns
;
1692 const char *dns_over_tls
;
1694 bool dnssec_supported
;
1697 static void global_info_clear(struct global_info
*p
) {
1698 free(p
->current_dns
);
1700 strv_free(p
->fallback_dns
);
1701 strv_free(p
->domains
);
1705 static int status_global(sd_bus
*bus
, StatusMode mode
, bool *empty_line
) {
1706 static const struct bus_properties_map property_map
[] = {
1707 { "DNS", "a(iiay)", map_global_dns_servers
, offsetof(struct global_info
, dns
) },
1708 { "FallbackDNS", "a(iiay)", map_global_dns_servers
, offsetof(struct global_info
, fallback_dns
) },
1709 { "CurrentDNSServer", "(iiay)", map_global_current_dns_server
, offsetof(struct global_info
, current_dns
) },
1710 { "Domains", "a(isb)", map_global_domains
, offsetof(struct global_info
, domains
) },
1711 { "DNSSECNegativeTrustAnchors", "as", NULL
, offsetof(struct global_info
, ntas
) },
1712 { "LLMNR", "s", NULL
, offsetof(struct global_info
, llmnr
) },
1713 { "MulticastDNS", "s", NULL
, offsetof(struct global_info
, mdns
) },
1714 { "DNSOverTLS", "s", NULL
, offsetof(struct global_info
, dns_over_tls
) },
1715 { "DNSSEC", "s", NULL
, offsetof(struct global_info
, dnssec
) },
1716 { "DNSSECSupported", "b", NULL
, offsetof(struct global_info
, dnssec_supported
) },
1719 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1720 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
1721 _cleanup_(global_info_clear
) struct global_info global_info
= {};
1722 _cleanup_(table_unrefp
) Table
*table
= NULL
;
1728 r
= bus_map_all_properties(bus
,
1729 "org.freedesktop.resolve1",
1730 "/org/freedesktop/resolve1",
1732 BUS_MAP_BOOLEAN_AS_BOOL
,
1737 return log_error_errno(r
, "Failed to get global data: %s", bus_error_message(&error
, r
));
1739 (void) pager_open(arg_pager_flags
);
1741 if (mode
== STATUS_DNS
)
1742 return status_print_strv_global(global_info
.dns
);
1744 if (mode
== STATUS_DOMAIN
)
1745 return status_print_strv_global(global_info
.domains
);
1747 if (mode
== STATUS_NTA
)
1748 return status_print_strv_global(global_info
.ntas
);
1750 if (mode
== STATUS_LLMNR
) {
1751 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1752 strna(global_info
.llmnr
));
1757 if (mode
== STATUS_MDNS
) {
1758 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1759 strna(global_info
.mdns
));
1764 if (mode
== STATUS_PRIVATE
) {
1765 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1766 strna(global_info
.dns_over_tls
));
1771 if (mode
== STATUS_DNSSEC
) {
1772 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1773 strna(global_info
.dnssec
));
1778 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
1780 table
= table_new("key", "value");
1784 table_set_header(table
, false);
1786 r
= table_add_many(table
,
1787 TABLE_STRING
, "LLMNR setting:",
1788 TABLE_SET_ALIGN_PERCENT
, 100,
1789 TABLE_STRING
, strna(global_info
.llmnr
),
1790 TABLE_STRING
, "MulticastDNS setting:",
1791 TABLE_STRING
, strna(global_info
.mdns
),
1792 TABLE_STRING
, "DNSOverTLS setting:",
1793 TABLE_STRING
, strna(global_info
.dns_over_tls
),
1794 TABLE_STRING
, "DNSSEC setting:",
1795 TABLE_STRING
, strna(global_info
.dnssec
),
1796 TABLE_STRING
, "DNSSEC supported:",
1797 TABLE_BOOLEAN
, global_info
.dnssec_supported
);
1799 return table_log_add_error(r
);
1801 if (global_info
.current_dns
) {
1802 r
= table_add_many(table
,
1803 TABLE_STRING
, "Current DNS Server:",
1804 TABLE_STRING
, global_info
.current_dns
);
1806 return table_log_add_error(r
);
1809 r
= dump_list(table
, "DNS Servers:", global_info
.dns
);
1813 r
= dump_list(table
, "Fallback DNS Servers:", global_info
.fallback_dns
);
1817 r
= dump_list(table
, "DNS Domain:", global_info
.domains
);
1821 strv_sort(global_info
.ntas
);
1822 r
= dump_list(table
, "DNSSEC NTA:", global_info
.ntas
);
1826 r
= table_print(table
, NULL
);
1828 return log_error_errno(r
, "Failed to print table: %m");
1835 static int status_all(sd_bus
*bus
, StatusMode mode
) {
1836 _cleanup_(sd_netlink_message_unrefp
) sd_netlink_message
*req
= NULL
, *reply
= NULL
;
1837 _cleanup_(sd_netlink_unrefp
) sd_netlink
*rtnl
= NULL
;
1838 sd_netlink_message
*i
;
1839 bool empty_line
= false;
1844 r
= status_global(bus
, mode
, &empty_line
);
1848 r
= sd_netlink_open(&rtnl
);
1850 return log_error_errno(r
, "Failed to connect to netlink: %m");
1852 r
= sd_rtnl_message_new_link(rtnl
, &req
, RTM_GETLINK
, 0);
1854 return rtnl_log_create_error(r
);
1856 r
= sd_netlink_message_request_dump(req
, true);
1858 return rtnl_log_create_error(r
);
1860 r
= sd_netlink_call(rtnl
, req
, 0, &reply
);
1862 return log_error_errno(r
, "Failed to enumerate links: %m");
1865 for (i
= reply
; i
; i
= sd_netlink_message_next(i
)) {
1870 q
= sd_netlink_message_get_type(i
, &type
);
1872 return rtnl_log_parse_error(q
);
1874 if (type
!= RTM_NEWLINK
)
1877 q
= sd_rtnl_message_link_get_ifindex(i
, &ifindex
);
1879 return rtnl_log_parse_error(q
);
1881 if (ifindex
== LOOPBACK_IFINDEX
)
1884 q
= sd_netlink_message_read_string(i
, IFLA_IFNAME
, &name
);
1886 return rtnl_log_parse_error(q
);
1888 q
= status_ifindex(bus
, ifindex
, name
, mode
, &empty_line
);
1889 if (q
< 0 && r
>= 0)
1896 static int verb_status(int argc
, char **argv
, void *userdata
) {
1897 sd_bus
*bus
= userdata
;
1898 _cleanup_(sd_netlink_unrefp
) sd_netlink
*rtnl
= NULL
;
1903 bool empty_line
= false;
1905 STRV_FOREACH(ifname
, argv
+ 1) {
1908 ifindex
= resolve_interface(&rtnl
, *ifname
);
1910 log_warning_errno(ifindex
, "Failed to resolve interface \"%s\", ignoring: %m", *ifname
);
1914 q
= status_ifindex(bus
, ifindex
, NULL
, STATUS_ALL
, &empty_line
);
1919 r
= status_all(bus
, STATUS_ALL
);
1924 static int call_dns(sd_bus
*bus
, char **dns
, const char *destination
, const char *path
, const char *interface
, sd_bus_error
*error
) {
1925 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
;
1929 r
= sd_bus_message_new_method_call(
1937 return bus_log_create_error(r
);
1939 r
= sd_bus_message_append(req
, "i", arg_ifindex
);
1941 return bus_log_create_error(r
);
1943 r
= sd_bus_message_open_container(req
, 'a', "(iay)");
1945 return bus_log_create_error(r
);
1947 /* If only argument is the empty string, then call SetLinkDNS() with an
1948 * empty list, which will clear the list of domains for an interface. */
1949 if (!strv_equal(dns
, STRV_MAKE("")))
1950 STRV_FOREACH(p
, dns
) {
1951 struct in_addr_data data
;
1953 r
= in_addr_from_string_auto(*p
, &data
.family
, &data
.address
);
1955 return log_error_errno(r
, "Failed to parse DNS server address: %s", *p
);
1957 r
= sd_bus_message_open_container(req
, 'r', "iay");
1959 return bus_log_create_error(r
);
1961 r
= sd_bus_message_append(req
, "i", data
.family
);
1963 return bus_log_create_error(r
);
1965 r
= sd_bus_message_append_array(req
, 'y', &data
.address
, FAMILY_ADDRESS_SIZE(data
.family
));
1967 return bus_log_create_error(r
);
1969 r
= sd_bus_message_close_container(req
);
1971 return bus_log_create_error(r
);
1974 r
= sd_bus_message_close_container(req
);
1976 return bus_log_create_error(r
);
1978 return sd_bus_call(bus
, req
, 0, error
, NULL
);
1981 static int verb_dns(int argc
, char **argv
, void *userdata
) {
1982 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1983 sd_bus
*bus
= userdata
;
1989 r
= ifname_mangle(argv
[1]);
1994 if (arg_ifindex
<= 0)
1995 return status_all(bus
, STATUS_DNS
);
1998 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_DNS
, NULL
);
2000 r
= call_dns(bus
, argv
+ 2,
2001 "org.freedesktop.resolve1",
2002 "/org/freedesktop/resolve1",
2003 "org.freedesktop.resolve1.Manager",
2005 if (r
< 0 && sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
)) {
2006 sd_bus_error_free(&error
);
2008 r
= call_dns(bus
, argv
+ 2,
2009 "org.freedesktop.network1",
2010 "/org/freedesktop/network1",
2011 "org.freedesktop.network1.Manager",
2015 if (arg_ifindex_permissive
&&
2016 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2019 return log_error_errno(r
, "Failed to set DNS configuration: %s", bus_error_message(&error
, r
));
2025 static int call_domain(sd_bus
*bus
, char **domain
, const char *destination
, const char *path
, const char *interface
, sd_bus_error
*error
) {
2026 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
;
2030 r
= sd_bus_message_new_method_call(
2038 return bus_log_create_error(r
);
2040 r
= sd_bus_message_append(req
, "i", arg_ifindex
);
2042 return bus_log_create_error(r
);
2044 r
= sd_bus_message_open_container(req
, 'a', "(sb)");
2046 return bus_log_create_error(r
);
2048 /* If only argument is the empty string, then call SetLinkDomains() with an
2049 * empty list, which will clear the list of domains for an interface. */
2050 if (!strv_equal(domain
, STRV_MAKE("")))
2051 STRV_FOREACH(p
, domain
) {
2054 n
= **p
== '~' ? *p
+ 1 : *p
;
2056 r
= dns_name_is_valid(n
);
2058 return log_error_errno(r
, "Failed to validate specified domain %s: %m", n
);
2060 log_error("Domain not valid: %s", n
);
2064 r
= sd_bus_message_append(req
, "(sb)", n
, **p
== '~');
2066 return bus_log_create_error(r
);
2069 r
= sd_bus_message_close_container(req
);
2071 return bus_log_create_error(r
);
2073 return sd_bus_call(bus
, req
, 0, error
, NULL
);
2076 static int verb_domain(int argc
, char **argv
, void *userdata
) {
2077 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2078 sd_bus
*bus
= userdata
;
2084 r
= ifname_mangle(argv
[1]);
2089 if (arg_ifindex
<= 0)
2090 return status_all(bus
, STATUS_DOMAIN
);
2093 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_DOMAIN
, NULL
);
2095 r
= call_domain(bus
, argv
+ 2,
2096 "org.freedesktop.resolve1",
2097 "/org/freedesktop/resolve1",
2098 "org.freedesktop.resolve1.Manager",
2100 if (r
< 0 && sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
)) {
2101 sd_bus_error_free(&error
);
2103 r
= call_domain(bus
, argv
+ 2,
2104 "org.freedesktop.network1",
2105 "/org/freedesktop/network1",
2106 "org.freedesktop.network1.Manager",
2110 if (arg_ifindex_permissive
&&
2111 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2114 return log_error_errno(r
, "Failed to set domain configuration: %s", bus_error_message(&error
, r
));
2120 static int verb_default_route(int argc
, char **argv
, void *userdata
) {
2121 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2122 sd_bus
*bus
= userdata
;
2128 r
= ifname_mangle(argv
[1]);
2133 if (arg_ifindex
<= 0)
2134 return status_all(bus
, STATUS_DEFAULT_ROUTE
);
2137 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_DEFAULT_ROUTE
, NULL
);
2139 b
= parse_boolean(argv
[2]);
2141 return log_error_errno(b
, "Failed to parse boolean argument: %s", argv
[2]);
2143 r
= sd_bus_call_method(
2145 "org.freedesktop.resolve1",
2146 "/org/freedesktop/resolve1",
2147 "org.freedesktop.resolve1.Manager",
2148 "SetLinkDefaultRoute",
2151 "ib", arg_ifindex
, b
);
2152 if (r
< 0 && sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
)) {
2153 sd_bus_error_free(&error
);
2155 r
= sd_bus_call_method(
2157 "org.freedesktop.network1",
2158 "/org/freedesktop/network1",
2159 "org.freedesktop.network1.Manager",
2160 "SetLinkDefaultRoute",
2163 "ib", arg_ifindex
, b
);
2166 if (arg_ifindex_permissive
&&
2167 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2170 return log_error_errno(r
, "Failed to set default route configuration: %s", bus_error_message(&error
, r
));
2176 static int verb_llmnr(int argc
, char **argv
, void *userdata
) {
2177 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2178 sd_bus
*bus
= userdata
;
2184 r
= ifname_mangle(argv
[1]);
2189 if (arg_ifindex
<= 0)
2190 return status_all(bus
, STATUS_LLMNR
);
2193 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_LLMNR
, NULL
);
2195 r
= sd_bus_call_method(
2197 "org.freedesktop.resolve1",
2198 "/org/freedesktop/resolve1",
2199 "org.freedesktop.resolve1.Manager",
2203 "is", arg_ifindex
, argv
[2]);
2204 if (r
< 0 && sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
)) {
2205 sd_bus_error_free(&error
);
2207 r
= sd_bus_call_method(
2209 "org.freedesktop.network1",
2210 "/org/freedesktop/network1",
2211 "org.freedesktop.network1.Manager",
2215 "is", arg_ifindex
, argv
[2]);
2218 if (arg_ifindex_permissive
&&
2219 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2222 return log_error_errno(r
, "Failed to set LLMNR configuration: %s", bus_error_message(&error
, r
));
2228 static int verb_mdns(int argc
, char **argv
, void *userdata
) {
2229 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2230 sd_bus
*bus
= userdata
;
2236 r
= ifname_mangle(argv
[1]);
2241 if (arg_ifindex
<= 0)
2242 return status_all(bus
, STATUS_MDNS
);
2245 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_MDNS
, NULL
);
2247 r
= sd_bus_call_method(
2249 "org.freedesktop.resolve1",
2250 "/org/freedesktop/resolve1",
2251 "org.freedesktop.resolve1.Manager",
2252 "SetLinkMulticastDNS",
2255 "is", arg_ifindex
, argv
[2]);
2256 if (r
< 0 && sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
)) {
2257 sd_bus_error_free(&error
);
2259 r
= sd_bus_call_method(
2261 "org.freedesktop.network1",
2262 "/org/freedesktop/network1",
2263 "org.freedesktop.network1.Manager",
2264 "SetLinkMulticastDNS",
2267 "is", arg_ifindex
, argv
[2]);
2270 if (arg_ifindex_permissive
&&
2271 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2274 return log_error_errno(r
, "Failed to set MulticastDNS configuration: %s", bus_error_message(&error
, r
));
2280 static int verb_dns_over_tls(int argc
, char **argv
, void *userdata
) {
2281 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2282 sd_bus
*bus
= userdata
;
2288 r
= ifname_mangle(argv
[1]);
2293 if (arg_ifindex
<= 0)
2294 return status_all(bus
, STATUS_PRIVATE
);
2297 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_PRIVATE
, NULL
);
2299 r
= sd_bus_call_method(
2301 "org.freedesktop.resolve1",
2302 "/org/freedesktop/resolve1",
2303 "org.freedesktop.resolve1.Manager",
2304 "SetLinkDNSOverTLS",
2307 "is", arg_ifindex
, argv
[2]);
2308 if (r
< 0 && sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
)) {
2309 sd_bus_error_free(&error
);
2311 r
= sd_bus_call_method(
2313 "org.freedesktop.network1",
2314 "/org/freedesktop/network1",
2315 "org.freedesktop.network1.Manager",
2316 "SetLinkDNSOverTLS",
2319 "is", arg_ifindex
, argv
[2]);
2322 if (arg_ifindex_permissive
&&
2323 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2326 return log_error_errno(r
, "Failed to set DNSOverTLS configuration: %s", bus_error_message(&error
, r
));
2332 static int verb_dnssec(int argc
, char **argv
, void *userdata
) {
2333 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2334 sd_bus
*bus
= userdata
;
2340 r
= ifname_mangle(argv
[1]);
2345 if (arg_ifindex
<= 0)
2346 return status_all(bus
, STATUS_DNSSEC
);
2349 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_DNSSEC
, NULL
);
2351 r
= sd_bus_call_method(
2353 "org.freedesktop.resolve1",
2354 "/org/freedesktop/resolve1",
2355 "org.freedesktop.resolve1.Manager",
2359 "is", arg_ifindex
, argv
[2]);
2360 if (r
< 0 && sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
)) {
2361 sd_bus_error_free(&error
);
2363 r
= sd_bus_call_method(
2365 "org.freedesktop.network1",
2366 "/org/freedesktop/network1",
2367 "org.freedesktop.network1.Manager",
2371 "is", arg_ifindex
, argv
[2]);
2374 if (arg_ifindex_permissive
&&
2375 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2378 return log_error_errno(r
, "Failed to set DNSSEC configuration: %s", bus_error_message(&error
, r
));
2384 static int call_nta(sd_bus
*bus
, char **nta
, const char *destination
, const char *path
, const char *interface
, sd_bus_error
*error
) {
2385 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
;
2388 r
= sd_bus_message_new_method_call(
2394 "SetLinkDNSSECNegativeTrustAnchors");
2396 return bus_log_create_error(r
);
2398 r
= sd_bus_message_append(req
, "i", arg_ifindex
);
2400 return bus_log_create_error(r
);
2402 r
= sd_bus_message_append_strv(req
, nta
);
2404 return bus_log_create_error(r
);
2406 return sd_bus_call(bus
, req
, 0, error
, NULL
);
2409 static int verb_nta(int argc
, char **argv
, void *userdata
) {
2410 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2411 sd_bus
*bus
= userdata
;
2419 r
= ifname_mangle(argv
[1]);
2424 if (arg_ifindex
<= 0)
2425 return status_all(bus
, STATUS_NTA
);
2428 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_NTA
, NULL
);
2430 /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
2431 * with an empty list, which will clear the list of domains for an interface. */
2432 clear
= strv_equal(argv
+ 2, STRV_MAKE(""));
2435 STRV_FOREACH(p
, argv
+ 2) {
2436 r
= dns_name_is_valid(*p
);
2438 return log_error_errno(r
, "Failed to validate specified domain %s: %m", *p
);
2440 log_error("Domain not valid: %s", *p
);
2445 r
= call_nta(bus
, clear
? NULL
: argv
+ 2,
2446 "org.freedesktop.resolve1",
2447 "/org/freedesktop/resolve1",
2448 "org.freedesktop.resolve1.Manager",
2450 if (r
< 0 && sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
)) {
2451 sd_bus_error_free(&error
);
2453 r
= call_nta(bus
, clear
? NULL
: argv
+ 2,
2454 "org.freedesktop.network1",
2455 "/org/freedesktop/network1",
2456 "org.freedesktop.network1.Manager",
2460 if (arg_ifindex_permissive
&&
2461 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2464 return log_error_errno(r
, "Failed to set DNSSEC NTA configuration: %s", bus_error_message(&error
, r
));
2470 static int verb_revert_link(int argc
, char **argv
, void *userdata
) {
2471 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2472 sd_bus
*bus
= userdata
;
2478 r
= ifname_mangle(argv
[1]);
2483 if (arg_ifindex
<= 0)
2484 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
), "Interface argument required.");
2486 r
= sd_bus_call_method(
2488 "org.freedesktop.resolve1",
2489 "/org/freedesktop/resolve1",
2490 "org.freedesktop.resolve1.Manager",
2495 if (r
< 0 && sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
)) {
2496 sd_bus_error_free(&error
);
2498 r
= sd_bus_call_method(
2500 "org.freedesktop.network1",
2501 "/org/freedesktop/network1",
2502 "org.freedesktop.network1.Manager",
2509 if (arg_ifindex_permissive
&&
2510 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2513 return log_error_errno(r
, "Failed to revert interface configuration: %s", bus_error_message(&error
, r
));
2519 static int verb_log_level(int argc
, char *argv
[], void *userdata
) {
2520 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2521 sd_bus
*bus
= userdata
;
2527 _cleanup_free_
char *level
= NULL
;
2529 r
= sd_bus_get_property_string(
2531 "org.freedesktop.resolve1",
2532 "/org/freedesktop/LogControl1",
2533 "org.freedesktop.LogControl1",
2538 return log_error_errno(r
, "Failed to get log level: %s", bus_error_message(&error
, r
));
2545 r
= sd_bus_set_property(
2547 "org.freedesktop.resolve1",
2548 "/org/freedesktop/LogControl1",
2549 "org.freedesktop.LogControl1",
2555 return log_error_errno(r
, "Failed to set log level: %s", bus_error_message(&error
, r
));
2561 static void help_protocol_types(void) {
2563 puts("Known protocol types:");
2564 puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmdns-ipv4\nmdns-ipv6");
2567 static void help_dns_types(void) {
2569 puts("Known DNS RR types:");
2571 DUMP_STRING_TABLE(dns_type
, int, _DNS_TYPE_MAX
);
2574 static void help_dns_classes(void) {
2576 puts("Known DNS RR classes:");
2578 DUMP_STRING_TABLE(dns_class
, int, _DNS_CLASS_MAX
);
2581 static int compat_help(void) {
2582 _cleanup_free_
char *link
= NULL
;
2585 r
= terminal_urlify_man("resolvectl", "1", &link
);
2589 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
2590 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
2591 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
2592 "%1$s [OPTIONS...] --statistics\n"
2593 "%1$s [OPTIONS...] --reset-statistics\n"
2595 "%2$sResolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%3$s\n\n"
2596 " -h --help Show this help\n"
2597 " --version Show package version\n"
2598 " --no-pager Do not pipe output into a pager\n"
2599 " -4 Resolve IPv4 addresses\n"
2600 " -6 Resolve IPv6 addresses\n"
2601 " -i --interface=INTERFACE Look on interface\n"
2602 " -p --protocol=PROTO|help Look via protocol\n"
2603 " -t --type=TYPE|help Query RR with DNS type\n"
2604 " -c --class=CLASS|help Query RR with DNS class\n"
2605 " --service Resolve service (SRV)\n"
2606 " --service-address=BOOL Resolve address for services (default: yes)\n"
2607 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2608 " --openpgp Query OpenPGP public key\n"
2609 " --tlsa Query TLS public key\n"
2610 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2611 " --search=BOOL Use search domains for single-label names\n"
2613 " --raw[=payload|packet] Dump the answer as binary data\n"
2614 " --legend=BOOL Print headers and additional info (default: yes)\n"
2615 " --statistics Show resolver statistics\n"
2616 " --reset-statistics Reset resolver statistics\n"
2617 " --status Show link and server status\n"
2618 " --flush-caches Flush all local DNS caches\n"
2619 " --reset-server-features\n"
2620 " Forget learnt DNS server feature levels\n"
2621 " --set-dns=SERVER Set per-interface DNS server address\n"
2622 " --set-domain=DOMAIN Set per-interface search domain\n"
2623 " --set-llmnr=MODE Set per-interface LLMNR mode\n"
2624 " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
2625 " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
2626 " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
2627 " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
2628 " --revert Revert per-interface configuration\n"
2629 "\nSee the %4$s for details.\n"
2630 , program_invocation_short_name
2639 static int native_help(void) {
2640 _cleanup_free_
char *link
= NULL
;
2643 r
= terminal_urlify_man("resolvectl", "1", &link
);
2647 printf("%s [OPTIONS...] COMMAND ...\n"
2649 "%sSend control commands to the network name resolution manager, or%s\n"
2650 "%sresolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%s\n"
2652 " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
2653 " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
2654 " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
2655 " tlsa DOMAIN[:PORT]... Query TLS public key\n"
2656 " status [LINK...] Show link and server status\n"
2657 " statistics Show resolver statistics\n"
2658 " reset-statistics Reset resolver statistics\n"
2659 " flush-caches Flush all local DNS caches\n"
2660 " reset-server-features Forget learnt DNS server feature levels\n"
2661 " dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
2662 " domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
2663 " default-route [LINK [BOOL]] Get/set per-interface default route flag\n"
2664 " llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
2665 " mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
2666 " dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
2667 " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
2668 " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
2669 " revert LINK Revert per-interface configuration\n"
2671 " -h --help Show this help\n"
2672 " --version Show package version\n"
2673 " --no-pager Do not pipe output into a pager\n"
2674 " -4 Resolve IPv4 addresses\n"
2675 " -6 Resolve IPv6 addresses\n"
2676 " -i --interface=INTERFACE Look on interface\n"
2677 " -p --protocol=PROTO|help Look via protocol\n"
2678 " -t --type=TYPE|help Query RR with DNS type\n"
2679 " -c --class=CLASS|help Query RR with DNS class\n"
2680 " --service-address=BOOL Resolve address for services (default: yes)\n"
2681 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2682 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2683 " --search=BOOL Use search domains for single-label names\n"
2685 " --raw[=payload|packet] Dump the answer as binary data\n"
2686 " --legend=BOOL Print headers and additional info (default: yes)\n"
2687 "\nSee the %s for details.\n"
2688 , program_invocation_short_name
2699 static int verb_help(int argc
, char **argv
, void *userdata
) {
2700 return native_help();
2703 static int compat_parse_argv(int argc
, char *argv
[]) {
2705 ARG_VERSION
= 0x100,
2709 ARG_SERVICE_ADDRESS
,
2716 ARG_RESET_STATISTICS
,
2719 ARG_RESET_SERVER_FEATURES
,
2731 static const struct option options
[] = {
2732 { "help", no_argument
, NULL
, 'h' },
2733 { "version", no_argument
, NULL
, ARG_VERSION
},
2734 { "type", required_argument
, NULL
, 't' },
2735 { "class", required_argument
, NULL
, 'c' },
2736 { "legend", required_argument
, NULL
, ARG_LEGEND
},
2737 { "interface", required_argument
, NULL
, 'i' },
2738 { "protocol", required_argument
, NULL
, 'p' },
2739 { "cname", required_argument
, NULL
, ARG_CNAME
},
2740 { "service", no_argument
, NULL
, ARG_SERVICE
},
2741 { "service-address", required_argument
, NULL
, ARG_SERVICE_ADDRESS
},
2742 { "service-txt", required_argument
, NULL
, ARG_SERVICE_TXT
},
2743 { "openpgp", no_argument
, NULL
, ARG_OPENPGP
},
2744 { "tlsa", optional_argument
, NULL
, ARG_TLSA
},
2745 { "raw", optional_argument
, NULL
, ARG_RAW
},
2746 { "search", required_argument
, NULL
, ARG_SEARCH
},
2747 { "statistics", no_argument
, NULL
, ARG_STATISTICS
, },
2748 { "reset-statistics", no_argument
, NULL
, ARG_RESET_STATISTICS
},
2749 { "status", no_argument
, NULL
, ARG_STATUS
},
2750 { "flush-caches", no_argument
, NULL
, ARG_FLUSH_CACHES
},
2751 { "reset-server-features", no_argument
, NULL
, ARG_RESET_SERVER_FEATURES
},
2752 { "no-pager", no_argument
, NULL
, ARG_NO_PAGER
},
2753 { "set-dns", required_argument
, NULL
, ARG_SET_DNS
},
2754 { "set-domain", required_argument
, NULL
, ARG_SET_DOMAIN
},
2755 { "set-llmnr", required_argument
, NULL
, ARG_SET_LLMNR
},
2756 { "set-mdns", required_argument
, NULL
, ARG_SET_MDNS
},
2757 { "set-dnsovertls", required_argument
, NULL
, ARG_SET_PRIVATE
},
2758 { "set-dnssec", required_argument
, NULL
, ARG_SET_DNSSEC
},
2759 { "set-nta", required_argument
, NULL
, ARG_SET_NTA
},
2760 { "revert", no_argument
, NULL
, ARG_REVERT_LINK
},
2769 while ((c
= getopt_long(argc
, argv
, "h46i:t:c:p:", options
, NULL
)) >= 0)
2773 return compat_help();
2779 arg_family
= AF_INET
;
2783 arg_family
= AF_INET6
;
2787 r
= ifname_mangle(optarg
);
2793 if (streq(optarg
, "help")) {
2798 r
= dns_type_from_string(optarg
);
2800 log_error("Failed to parse RR record type %s", optarg
);
2803 arg_type
= (uint16_t) r
;
2804 assert((int) arg_type
== r
);
2806 arg_mode
= MODE_RESOLVE_RECORD
;
2810 if (streq(optarg
, "help")) {
2815 r
= dns_class_from_string(optarg
);
2817 log_error("Failed to parse RR record class %s", optarg
);
2820 arg_class
= (uint16_t) r
;
2821 assert((int) arg_class
== r
);
2826 r
= parse_boolean(optarg
);
2828 return log_error_errno(r
, "Failed to parse --legend= argument");
2834 if (streq(optarg
, "help")) {
2835 help_protocol_types();
2837 } else if (streq(optarg
, "dns"))
2838 arg_flags
|= SD_RESOLVED_DNS
;
2839 else if (streq(optarg
, "llmnr"))
2840 arg_flags
|= SD_RESOLVED_LLMNR
;
2841 else if (streq(optarg
, "llmnr-ipv4"))
2842 arg_flags
|= SD_RESOLVED_LLMNR_IPV4
;
2843 else if (streq(optarg
, "llmnr-ipv6"))
2844 arg_flags
|= SD_RESOLVED_LLMNR_IPV6
;
2845 else if (streq(optarg
, "mdns"))
2846 arg_flags
|= SD_RESOLVED_MDNS
;
2847 else if (streq(optarg
, "mdns-ipv4"))
2848 arg_flags
|= SD_RESOLVED_MDNS_IPV4
;
2849 else if (streq(optarg
, "mdns-ipv6"))
2850 arg_flags
|= SD_RESOLVED_MDNS_IPV6
;
2852 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
2853 "Unknown protocol specifier: %s", optarg
);
2858 arg_mode
= MODE_RESOLVE_SERVICE
;
2862 arg_mode
= MODE_RESOLVE_OPENPGP
;
2866 arg_mode
= MODE_RESOLVE_TLSA
;
2867 if (!optarg
|| service_family_is_valid(optarg
))
2868 arg_service_family
= optarg
;
2870 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
2871 "Unknown service family \"%s\".", optarg
);
2876 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY
),
2877 "Refusing to write binary data to tty.");
2879 if (optarg
== NULL
|| streq(optarg
, "payload"))
2880 arg_raw
= RAW_PAYLOAD
;
2881 else if (streq(optarg
, "packet"))
2882 arg_raw
= RAW_PACKET
;
2884 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
2885 "Unknown --raw specifier \"%s\".",
2892 r
= parse_boolean(optarg
);
2894 return log_error_errno(r
, "Failed to parse --cname= argument.");
2895 SET_FLAG(arg_flags
, SD_RESOLVED_NO_CNAME
, r
== 0);
2898 case ARG_SERVICE_ADDRESS
:
2899 r
= parse_boolean(optarg
);
2901 return log_error_errno(r
, "Failed to parse --service-address= argument.");
2902 SET_FLAG(arg_flags
, SD_RESOLVED_NO_ADDRESS
, r
== 0);
2905 case ARG_SERVICE_TXT
:
2906 r
= parse_boolean(optarg
);
2908 return log_error_errno(r
, "Failed to parse --service-txt= argument.");
2909 SET_FLAG(arg_flags
, SD_RESOLVED_NO_TXT
, r
== 0);
2913 r
= parse_boolean(optarg
);
2915 return log_error_errno(r
, "Failed to parse --search argument.");
2916 SET_FLAG(arg_flags
, SD_RESOLVED_NO_SEARCH
, r
== 0);
2919 case ARG_STATISTICS
:
2920 arg_mode
= MODE_STATISTICS
;
2923 case ARG_RESET_STATISTICS
:
2924 arg_mode
= MODE_RESET_STATISTICS
;
2927 case ARG_FLUSH_CACHES
:
2928 arg_mode
= MODE_FLUSH_CACHES
;
2931 case ARG_RESET_SERVER_FEATURES
:
2932 arg_mode
= MODE_RESET_SERVER_FEATURES
;
2936 arg_mode
= MODE_STATUS
;
2940 arg_pager_flags
|= PAGER_DISABLE
;
2944 r
= strv_extend(&arg_set_dns
, optarg
);
2948 arg_mode
= MODE_SET_LINK
;
2951 case ARG_SET_DOMAIN
:
2952 r
= strv_extend(&arg_set_domain
, optarg
);
2956 arg_mode
= MODE_SET_LINK
;
2960 arg_set_llmnr
= optarg
;
2961 arg_mode
= MODE_SET_LINK
;
2965 arg_set_mdns
= optarg
;
2966 arg_mode
= MODE_SET_LINK
;
2969 case ARG_SET_PRIVATE
:
2970 arg_set_dns_over_tls
= optarg
;
2971 arg_mode
= MODE_SET_LINK
;
2974 case ARG_SET_DNSSEC
:
2975 arg_set_dnssec
= optarg
;
2976 arg_mode
= MODE_SET_LINK
;
2980 r
= strv_extend(&arg_set_nta
, optarg
);
2984 arg_mode
= MODE_SET_LINK
;
2987 case ARG_REVERT_LINK
:
2988 arg_mode
= MODE_REVERT_LINK
;
2995 assert_not_reached("Unhandled option");
2998 if (arg_type
== 0 && arg_class
!= 0)
2999 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
3000 "--class= may only be used in conjunction with --type=.");
3002 if (arg_type
!= 0 && arg_mode
== MODE_RESOLVE_SERVICE
)
3003 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
3004 "--service and --type= may not be combined.");
3006 if (arg_type
!= 0 && arg_class
== 0)
3007 arg_class
= DNS_CLASS_IN
;
3009 if (arg_class
!= 0 && arg_type
== 0)
3010 arg_type
= DNS_TYPE_A
;
3012 if (IN_SET(arg_mode
, MODE_SET_LINK
, MODE_REVERT_LINK
)) {
3014 if (arg_ifindex
<= 0)
3015 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
3016 "--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
3019 return 1 /* work to do */;
3022 static int native_parse_argv(int argc
, char *argv
[]) {
3024 ARG_VERSION
= 0x100,
3027 ARG_SERVICE_ADDRESS
,
3034 static const struct option options
[] = {
3035 { "help", no_argument
, NULL
, 'h' },
3036 { "version", no_argument
, NULL
, ARG_VERSION
},
3037 { "type", required_argument
, NULL
, 't' },
3038 { "class", required_argument
, NULL
, 'c' },
3039 { "legend", required_argument
, NULL
, ARG_LEGEND
},
3040 { "interface", required_argument
, NULL
, 'i' },
3041 { "protocol", required_argument
, NULL
, 'p' },
3042 { "cname", required_argument
, NULL
, ARG_CNAME
},
3043 { "service-address", required_argument
, NULL
, ARG_SERVICE_ADDRESS
},
3044 { "service-txt", required_argument
, NULL
, ARG_SERVICE_TXT
},
3045 { "raw", optional_argument
, NULL
, ARG_RAW
},
3046 { "search", required_argument
, NULL
, ARG_SEARCH
},
3047 { "no-pager", no_argument
, NULL
, ARG_NO_PAGER
},
3056 while ((c
= getopt_long(argc
, argv
, "h46i:t:c:p:", options
, NULL
)) >= 0)
3060 return native_help();
3066 arg_family
= AF_INET
;
3070 arg_family
= AF_INET6
;
3074 r
= ifname_mangle(optarg
);
3080 if (streq(optarg
, "help")) {
3085 r
= dns_type_from_string(optarg
);
3087 log_error("Failed to parse RR record type %s", optarg
);
3090 arg_type
= (uint16_t) r
;
3091 assert((int) arg_type
== r
);
3096 if (streq(optarg
, "help")) {
3101 r
= dns_class_from_string(optarg
);
3103 log_error("Failed to parse RR record class %s", optarg
);
3106 arg_class
= (uint16_t) r
;
3107 assert((int) arg_class
== r
);
3112 r
= parse_boolean(optarg
);
3114 return log_error_errno(r
, "Failed to parse --legend= argument");
3120 if (streq(optarg
, "help")) {
3121 help_protocol_types();
3123 } else if (streq(optarg
, "dns"))
3124 arg_flags
|= SD_RESOLVED_DNS
;
3125 else if (streq(optarg
, "llmnr"))
3126 arg_flags
|= SD_RESOLVED_LLMNR
;
3127 else if (streq(optarg
, "llmnr-ipv4"))
3128 arg_flags
|= SD_RESOLVED_LLMNR_IPV4
;
3129 else if (streq(optarg
, "llmnr-ipv6"))
3130 arg_flags
|= SD_RESOLVED_LLMNR_IPV6
;
3131 else if (streq(optarg
, "mdns"))
3132 arg_flags
|= SD_RESOLVED_MDNS
;
3133 else if (streq(optarg
, "mdns-ipv4"))
3134 arg_flags
|= SD_RESOLVED_MDNS_IPV4
;
3135 else if (streq(optarg
, "mdns-ipv6"))
3136 arg_flags
|= SD_RESOLVED_MDNS_IPV6
;
3138 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
3139 "Unknown protocol specifier: %s",
3146 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY
),
3147 "Refusing to write binary data to tty.");
3149 if (optarg
== NULL
|| streq(optarg
, "payload"))
3150 arg_raw
= RAW_PAYLOAD
;
3151 else if (streq(optarg
, "packet"))
3152 arg_raw
= RAW_PACKET
;
3154 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
3155 "Unknown --raw specifier \"%s\".",
3162 r
= parse_boolean(optarg
);
3164 return log_error_errno(r
, "Failed to parse --cname= argument.");
3165 SET_FLAG(arg_flags
, SD_RESOLVED_NO_CNAME
, r
== 0);
3168 case ARG_SERVICE_ADDRESS
:
3169 r
= parse_boolean(optarg
);
3171 return log_error_errno(r
, "Failed to parse --service-address= argument.");
3172 SET_FLAG(arg_flags
, SD_RESOLVED_NO_ADDRESS
, r
== 0);
3175 case ARG_SERVICE_TXT
:
3176 r
= parse_boolean(optarg
);
3178 return log_error_errno(r
, "Failed to parse --service-txt= argument.");
3179 SET_FLAG(arg_flags
, SD_RESOLVED_NO_TXT
, r
== 0);
3183 r
= parse_boolean(optarg
);
3185 return log_error_errno(r
, "Failed to parse --search argument.");
3186 SET_FLAG(arg_flags
, SD_RESOLVED_NO_SEARCH
, r
== 0);
3190 arg_pager_flags
|= PAGER_DISABLE
;
3197 assert_not_reached("Unhandled option");
3200 if (arg_type
== 0 && arg_class
!= 0)
3201 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
3202 "--class= may only be used in conjunction with --type=.");
3204 if (arg_type
!= 0 && arg_class
== 0)
3205 arg_class
= DNS_CLASS_IN
;
3207 if (arg_class
!= 0 && arg_type
== 0)
3208 arg_type
= DNS_TYPE_A
;
3210 return 1 /* work to do */;
3213 static int native_main(int argc
, char *argv
[], sd_bus
*bus
) {
3215 static const Verb verbs
[] = {
3216 { "help", VERB_ANY
, VERB_ANY
, 0, verb_help
},
3217 { "status", VERB_ANY
, VERB_ANY
, VERB_DEFAULT
, verb_status
},
3218 { "query", 2, VERB_ANY
, 0, verb_query
},
3219 { "service", 2, 4, 0, verb_service
},
3220 { "openpgp", 2, VERB_ANY
, 0, verb_openpgp
},
3221 { "tlsa", 2, VERB_ANY
, 0, verb_tlsa
},
3222 { "statistics", VERB_ANY
, 1, 0, show_statistics
},
3223 { "reset-statistics", VERB_ANY
, 1, 0, reset_statistics
},
3224 { "flush-caches", VERB_ANY
, 1, 0, flush_caches
},
3225 { "reset-server-features", VERB_ANY
, 1, 0, reset_server_features
},
3226 { "dns", VERB_ANY
, VERB_ANY
, 0, verb_dns
},
3227 { "domain", VERB_ANY
, VERB_ANY
, 0, verb_domain
},
3228 { "default-route", VERB_ANY
, 3, 0, verb_default_route
},
3229 { "llmnr", VERB_ANY
, 3, 0, verb_llmnr
},
3230 { "mdns", VERB_ANY
, 3, 0, verb_mdns
},
3231 { "dnsovertls", VERB_ANY
, 3, 0, verb_dns_over_tls
},
3232 { "dnssec", VERB_ANY
, 3, 0, verb_dnssec
},
3233 { "nta", VERB_ANY
, VERB_ANY
, 0, verb_nta
},
3234 { "revert", VERB_ANY
, 2, 0, verb_revert_link
},
3235 { "log-level", VERB_ANY
, 2, 0, verb_log_level
},
3239 return dispatch_verb(argc
, argv
, verbs
, bus
);
3242 static int translate(const char *verb
, const char *single_arg
, size_t num_args
, char **args
, sd_bus
*bus
) {
3247 assert(num_args
== 0 || args
);
3249 num
= !!single_arg
+ num_args
+ 1;
3251 p
= fake
= newa0(char *, num
+ 1);
3252 *p
++ = (char *) verb
;
3254 *p
++ = (char *) single_arg
;
3255 for (i
= 0; i
< num_args
; i
++)
3259 return native_main((int) num
, fake
, bus
);
3262 static int compat_main(int argc
, char *argv
[], sd_bus
*bus
) {
3266 case MODE_RESOLVE_HOST
:
3267 case MODE_RESOLVE_RECORD
:
3268 return translate("query", NULL
, argc
- optind
, argv
+ optind
, bus
);
3270 case MODE_RESOLVE_SERVICE
:
3271 return translate("service", NULL
, argc
- optind
, argv
+ optind
, bus
);
3273 case MODE_RESOLVE_OPENPGP
:
3274 return translate("openpgp", NULL
, argc
- optind
, argv
+ optind
, bus
);
3276 case MODE_RESOLVE_TLSA
:
3277 return translate("tlsa", arg_service_family
, argc
- optind
, argv
+ optind
, bus
);
3279 case MODE_STATISTICS
:
3280 return translate("statistics", NULL
, 0, NULL
, bus
);
3282 case MODE_RESET_STATISTICS
:
3283 return translate("reset-statistics", NULL
, 0, NULL
, bus
);
3285 case MODE_FLUSH_CACHES
:
3286 return translate("flush-caches", NULL
, 0, NULL
, bus
);
3288 case MODE_RESET_SERVER_FEATURES
:
3289 return translate("reset-server-features", NULL
, 0, NULL
, bus
);
3292 return translate("status", NULL
, argc
- optind
, argv
+ optind
, bus
);
3298 r
= translate("dns", arg_ifname
, strv_length(arg_set_dns
), arg_set_dns
, bus
);
3303 if (arg_set_domain
) {
3304 r
= translate("domain", arg_ifname
, strv_length(arg_set_domain
), arg_set_domain
, bus
);
3310 r
= translate("nta", arg_ifname
, strv_length(arg_set_nta
), arg_set_nta
, bus
);
3315 if (arg_set_llmnr
) {
3316 r
= translate("llmnr", arg_ifname
, 1, (char **) &arg_set_llmnr
, bus
);
3322 r
= translate("mdns", arg_ifname
, 1, (char **) &arg_set_mdns
, bus
);
3327 if (arg_set_dns_over_tls
) {
3328 r
= translate("dnsovertls", arg_ifname
, 1, (char **) &arg_set_dns_over_tls
, bus
);
3333 if (arg_set_dnssec
) {
3334 r
= translate("dnssec", arg_ifname
, 1, (char **) &arg_set_dnssec
, bus
);
3341 case MODE_REVERT_LINK
:
3344 return translate("revert", arg_ifname
, 0, NULL
, bus
);
3347 assert_not_reached("invalid mode");
3353 static int run(int argc
, char **argv
) {
3354 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
3357 setlocale(LC_ALL
, "");
3358 log_show_color(true);
3359 log_parse_environment();
3362 if (streq(program_invocation_short_name
, "resolvconf"))
3363 r
= resolvconf_parse_argv(argc
, argv
);
3364 else if (streq(program_invocation_short_name
, "systemd-resolve"))
3365 r
= compat_parse_argv(argc
, argv
);
3367 r
= native_parse_argv(argc
, argv
);
3371 r
= sd_bus_open_system(&bus
);
3373 return log_error_errno(r
, "sd_bus_open_system: %m");
3375 if (STR_IN_SET(program_invocation_short_name
, "systemd-resolve", "resolvconf"))
3376 return compat_main(argc
, argv
, bus
);
3378 return native_main(argc
, argv
, bus
);
3381 DEFINE_MAIN_FUNCTION(run
);