1 /* SPDX-License-Identifier: LGPL-2.1+ */
7 #include "sd-netlink.h"
10 #include "alloc-util.h"
11 #include "bus-common-errors.h"
12 #include "bus-error.h"
14 #include "dns-domain.h"
16 #include "gcrypt-util.h"
17 #include "in-addr-util.h"
18 #include "netlink-util.h"
20 #include "parse-util.h"
21 #include "resolvconf-compat.h"
22 #include "resolvectl.h"
23 #include "resolved-def.h"
24 #include "resolved-dns-packet.h"
25 #include "string-table.h"
27 #include "terminal-util.h"
30 static int arg_family
= AF_UNSPEC
;
31 static int arg_ifindex
= 0;
32 static char *arg_ifname
= NULL
;
33 static uint16_t arg_type
= 0;
34 static uint16_t arg_class
= 0;
35 static bool arg_legend
= true;
36 static uint64_t arg_flags
= 0;
37 static bool arg_no_pager
= false;
38 bool arg_ifindex_permissive
= false; /* If true, don't generate an error if the specified interface index doesn't exist */
39 static const char *arg_service_family
= NULL
;
41 typedef enum RawType
{
46 static RawType arg_raw
= RAW_NONE
;
48 ExecutionMode arg_mode
= MODE_RESOLVE_HOST
;
50 char **arg_set_dns
= NULL
;
51 char **arg_set_domain
= NULL
;
52 static const char *arg_set_llmnr
= NULL
;
53 static const char *arg_set_mdns
= NULL
;
54 static const char *arg_set_dns_over_tls
= NULL
;
55 static const char *arg_set_dnssec
= NULL
;
56 static char **arg_set_nta
= NULL
;
58 typedef enum StatusMode
{
69 static int parse_ifindex_and_warn(const char *s
) {
74 if (parse_ifindex(s
, &ifi
) < 0) {
75 ifi
= if_nametoindex(s
);
77 return log_error_errno(errno
, "Unknown interface '%s': %m", s
);
83 int ifname_mangle(const char *s
, bool allow_loopback
) {
84 _cleanup_free_
char *iface
= NULL
;
91 assert(arg_ifindex
>= 0);
93 if (!allow_loopback
&& arg_ifindex
== LOOPBACK_IFINDEX
) {
94 log_error("Interface can't be the loopback interface (lo). Sorry.");
101 dot
= strchr(s
, '.');
103 iface
= strndup(s
, dot
- s
);
107 log_debug("Ignoring protocol specifier '%s'.", dot
+ 1);
114 if (parse_ifindex(iface
, &r
) < 0) {
115 r
= if_nametoindex(iface
);
117 if (errno
== ENODEV
&& arg_ifindex_permissive
) {
118 log_debug("Interface '%s' not found, but -f specified, ignoring.", iface
);
122 return log_error_errno(errno
, "Unknown interface '%s': %m", iface
);
126 if (!allow_loopback
&& r
== LOOPBACK_IFINDEX
) {
127 log_error("Interface can't be the loopback interface (lo). Sorry.");
132 arg_ifname
= TAKE_PTR(iface
);
137 static void print_source(uint64_t flags
, usec_t rtt
) {
138 char rtt_str
[FORMAT_TIMESTAMP_MAX
];
146 fputs("\n-- Information acquired via", stdout
);
149 printf(" protocol%s%s%s%s%s",
150 flags
& SD_RESOLVED_DNS
? " DNS" :"",
151 flags
& SD_RESOLVED_LLMNR_IPV4
? " LLMNR/IPv4" : "",
152 flags
& SD_RESOLVED_LLMNR_IPV6
? " LLMNR/IPv6" : "",
153 flags
& SD_RESOLVED_MDNS_IPV4
? " mDNS/IPv4" : "",
154 flags
& SD_RESOLVED_MDNS_IPV6
? " mDNS/IPv6" : "");
156 assert_se(format_timespan(rtt_str
, sizeof(rtt_str
), rtt
, 100));
158 printf(" in %s", rtt_str
);
163 printf("-- Data is authenticated: %s\n", yes_no(flags
& SD_RESOLVED_AUTHENTICATED
));
166 static int resolve_host(sd_bus
*bus
, const char *name
) {
167 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
, *reply
= NULL
;
168 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
169 const char *canonical
= NULL
;
177 log_debug("Resolving %s (family %s, interface %s).", name
, af_to_name(arg_family
) ?: "*", isempty(arg_ifname
) ? "*" : arg_ifname
);
179 r
= sd_bus_message_new_method_call(
182 "org.freedesktop.resolve1",
183 "/org/freedesktop/resolve1",
184 "org.freedesktop.resolve1.Manager",
187 return bus_log_create_error(r
);
189 r
= sd_bus_message_append(req
, "isit", arg_ifindex
, name
, arg_family
, arg_flags
);
191 return bus_log_create_error(r
);
193 ts
= now(CLOCK_MONOTONIC
);
195 r
= sd_bus_call(bus
, req
, SD_RESOLVED_QUERY_TIMEOUT_USEC
, &error
, &reply
);
197 return log_error_errno(r
, "%s: resolve call failed: %s", name
, bus_error_message(&error
, r
));
199 ts
= now(CLOCK_MONOTONIC
) - ts
;
201 r
= sd_bus_message_enter_container(reply
, 'a', "(iiay)");
203 return bus_log_parse_error(r
);
205 while ((r
= sd_bus_message_enter_container(reply
, 'r', "iiay")) > 0) {
206 _cleanup_free_
char *pretty
= NULL
;
207 char ifname
[IF_NAMESIZE
] = "";
212 assert_cc(sizeof(int) == sizeof(int32_t));
214 r
= sd_bus_message_read(reply
, "ii", &ifindex
, &family
);
216 return bus_log_parse_error(r
);
218 r
= sd_bus_message_read_array(reply
, 'y', &a
, &sz
);
220 return bus_log_parse_error(r
);
222 r
= sd_bus_message_exit_container(reply
);
224 return bus_log_parse_error(r
);
226 if (!IN_SET(family
, AF_INET
, AF_INET6
)) {
227 log_debug("%s: skipping entry with family %d (%s)", name
, family
, af_to_name(family
) ?: "unknown");
231 if (sz
!= FAMILY_ADDRESS_SIZE(family
)) {
232 log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name
, sz
, af_to_name(family
) ?: "unknown");
236 if (ifindex
> 0 && !if_indextoname(ifindex
, ifname
))
237 log_warning_errno(errno
, "Failed to resolve interface name for index %i: %m", ifindex
);
239 r
= in_addr_ifindex_to_string(family
, a
, ifindex
, &pretty
);
241 return log_error_errno(r
, "Failed to print address for %s: %m", name
);
243 printf("%*s%s %s%s%s\n",
244 (int) strlen(name
), c
== 0 ? name
: "", c
== 0 ? ":" : " ",
246 isempty(ifname
) ? "" : "%", ifname
);
251 return bus_log_parse_error(r
);
253 r
= sd_bus_message_exit_container(reply
);
255 return bus_log_parse_error(r
);
257 r
= sd_bus_message_read(reply
, "st", &canonical
, &flags
);
259 return bus_log_parse_error(r
);
261 if (!streq(name
, canonical
))
262 printf("%*s%s (%s)\n",
263 (int) strlen(name
), c
== 0 ? name
: "", c
== 0 ? ":" : " ",
267 log_error("%s: no addresses found", name
);
271 print_source(flags
, ts
);
276 static int resolve_address(sd_bus
*bus
, int family
, const union in_addr_union
*address
, int ifindex
) {
277 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
, *reply
= NULL
;
278 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
279 _cleanup_free_
char *pretty
= NULL
;
280 char ifname
[IF_NAMESIZE
] = "";
287 assert(IN_SET(family
, AF_INET
, AF_INET6
));
291 ifindex
= arg_ifindex
;
293 r
= in_addr_ifindex_to_string(family
, address
, ifindex
, &pretty
);
297 if (ifindex
> 0 && !if_indextoname(ifindex
, ifname
))
298 return log_error_errno(errno
, "Failed to resolve interface name for index %i: %m", ifindex
);
300 log_debug("Resolving %s%s%s.", pretty
, isempty(ifname
) ? "" : "%", ifname
);
302 r
= sd_bus_message_new_method_call(
305 "org.freedesktop.resolve1",
306 "/org/freedesktop/resolve1",
307 "org.freedesktop.resolve1.Manager",
310 return bus_log_create_error(r
);
312 r
= sd_bus_message_append(req
, "ii", ifindex
, family
);
314 return bus_log_create_error(r
);
316 r
= sd_bus_message_append_array(req
, 'y', address
, FAMILY_ADDRESS_SIZE(family
));
318 return bus_log_create_error(r
);
320 r
= sd_bus_message_append(req
, "t", arg_flags
);
322 return bus_log_create_error(r
);
324 ts
= now(CLOCK_MONOTONIC
);
326 r
= sd_bus_call(bus
, req
, SD_RESOLVED_QUERY_TIMEOUT_USEC
, &error
, &reply
);
328 return log_error_errno(r
, "%s: resolve call failed: %s", pretty
, bus_error_message(&error
, r
));
330 ts
= now(CLOCK_MONOTONIC
) - ts
;
332 r
= sd_bus_message_enter_container(reply
, 'a', "(is)");
334 return bus_log_create_error(r
);
336 while ((r
= sd_bus_message_enter_container(reply
, 'r', "is")) > 0) {
339 assert_cc(sizeof(int) == sizeof(int32_t));
341 r
= sd_bus_message_read(reply
, "is", &ifindex
, &n
);
345 r
= sd_bus_message_exit_container(reply
);
350 if (ifindex
> 0 && !if_indextoname(ifindex
, ifname
))
351 log_warning_errno(errno
, "Failed to resolve interface name for index %i: %m", ifindex
);
353 printf("%*s%*s%*s%s %s\n",
354 (int) strlen(pretty
), c
== 0 ? pretty
: "",
355 isempty(ifname
) ? 0 : 1, c
> 0 || isempty(ifname
) ? "" : "%",
356 (int) strlen(ifname
), c
== 0 ? ifname
: "",
363 return bus_log_parse_error(r
);
365 r
= sd_bus_message_exit_container(reply
);
367 return bus_log_parse_error(r
);
369 r
= sd_bus_message_read(reply
, "t", &flags
);
371 return bus_log_parse_error(r
);
374 log_error("%s: no names found", pretty
);
378 print_source(flags
, ts
);
383 static int output_rr_packet(const void *d
, size_t l
, int ifindex
) {
384 _cleanup_(dns_resource_record_unrefp
) DnsResourceRecord
*rr
= NULL
;
385 _cleanup_(dns_packet_unrefp
) DnsPacket
*p
= NULL
;
387 char ifname
[IF_NAMESIZE
] = "";
389 r
= dns_packet_new(&p
, DNS_PROTOCOL_DNS
, 0, DNS_PACKET_SIZE_MAX
);
393 p
->refuse_compression
= true;
395 r
= dns_packet_append_blob(p
, d
, l
, NULL
);
399 r
= dns_packet_read_rr(p
, &rr
, NULL
, NULL
);
401 return log_error_errno(r
, "Failed to parse RR: %m");
403 if (arg_raw
== RAW_PAYLOAD
) {
407 k
= dns_resource_record_payload(rr
, &data
);
409 return log_error_errno(k
, "Cannot dump RR: %m");
410 fwrite(data
, 1, k
, stdout
);
414 s
= dns_resource_record_to_string(rr
);
418 if (ifindex
> 0 && !if_indextoname(ifindex
, ifname
))
419 log_warning_errno(errno
, "Failed to resolve interface name for index %i: %m", ifindex
);
421 printf("%s%s%s\n", s
, isempty(ifname
) ? "" : " # interface ", ifname
);
427 static int resolve_record(sd_bus
*bus
, const char *name
, uint16_t class, uint16_t type
, bool warn_missing
) {
428 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
, *reply
= NULL
;
429 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
434 bool needs_authentication
= false;
438 log_debug("Resolving %s %s %s (interface %s).", name
, dns_class_to_string(class), dns_type_to_string(type
), isempty(arg_ifname
) ? "*" : arg_ifname
);
440 r
= sd_bus_message_new_method_call(
443 "org.freedesktop.resolve1",
444 "/org/freedesktop/resolve1",
445 "org.freedesktop.resolve1.Manager",
448 return bus_log_create_error(r
);
450 r
= sd_bus_message_append(req
, "isqqt", arg_ifindex
, name
, class, type
, arg_flags
);
452 return bus_log_create_error(r
);
454 ts
= now(CLOCK_MONOTONIC
);
456 r
= sd_bus_call(bus
, req
, SD_RESOLVED_QUERY_TIMEOUT_USEC
, &error
, &reply
);
458 if (warn_missing
|| r
!= -ENXIO
)
459 log_error("%s: resolve call failed: %s", name
, bus_error_message(&error
, r
));
463 ts
= now(CLOCK_MONOTONIC
) - ts
;
465 r
= sd_bus_message_enter_container(reply
, 'a', "(iqqay)");
467 return bus_log_parse_error(r
);
469 while ((r
= sd_bus_message_enter_container(reply
, 'r', "iqqay")) > 0) {
475 assert_cc(sizeof(int) == sizeof(int32_t));
477 r
= sd_bus_message_read(reply
, "iqq", &ifindex
, &c
, &t
);
479 return bus_log_parse_error(r
);
481 r
= sd_bus_message_read_array(reply
, 'y', &d
, &l
);
483 return bus_log_parse_error(r
);
485 r
= sd_bus_message_exit_container(reply
);
487 return bus_log_parse_error(r
);
489 if (arg_raw
== RAW_PACKET
) {
490 uint64_t u64
= htole64(l
);
492 fwrite(&u64
, sizeof(u64
), 1, stdout
);
493 fwrite(d
, 1, l
, stdout
);
495 r
= output_rr_packet(d
, l
, ifindex
);
500 if (dns_type_needs_authentication(t
))
501 needs_authentication
= true;
506 return bus_log_parse_error(r
);
508 r
= sd_bus_message_exit_container(reply
);
510 return bus_log_parse_error(r
);
512 r
= sd_bus_message_read(reply
, "t", &flags
);
514 return bus_log_parse_error(r
);
518 log_error("%s: no records found", name
);
522 print_source(flags
, ts
);
524 if ((flags
& SD_RESOLVED_AUTHENTICATED
) == 0 && needs_authentication
) {
527 fprintf(stderr
, "\n%s"
528 "WARNING: The resources shown contain cryptographic key data which could not be\n"
529 " authenticated. It is not suitable to authenticate any communication.\n"
530 " This is usually indication that DNSSEC authentication was not enabled\n"
531 " or is not available for the selected protocol or DNS servers.%s\n",
532 ansi_highlight_red(),
539 static int resolve_rfc4501(sd_bus
*bus
, const char *name
) {
540 uint16_t type
= 0, class = 0;
541 const char *p
, *q
, *n
;
546 assert(startswith(name
, "dns:"));
548 /* Parse RFC 4501 dns: URIs */
558 e
= strchr(p
+ 2, '/');
563 log_warning("DNS authority specification not supported; ignoring specified authority.");
570 n
= strndupa(p
, q
- p
);
576 f
= startswith_no_case(q
, "class=");
578 _cleanup_free_
char *t
= NULL
;
582 log_error("DNS class specified twice.");
586 e
= strchrnul(f
, ';');
587 t
= strndup(f
, e
- f
);
591 r
= dns_class_from_string(t
);
593 log_error("Unknown DNS class %s.", t
);
607 f
= startswith_no_case(q
, "type=");
609 _cleanup_free_
char *t
= NULL
;
613 log_error("DNS type specified twice.");
617 e
= strchrnul(f
, ';');
618 t
= strndup(f
, e
- f
);
622 r
= dns_type_from_string(t
);
624 log_error("Unknown DNS type %s.", t
);
644 class = arg_class
?: DNS_CLASS_IN
;
646 type
= arg_type
?: DNS_TYPE_A
;
648 return resolve_record(bus
, n
, class, type
, true);
651 log_error("Invalid DNS URI: %s", name
);
655 static int verb_query(int argc
, char **argv
, void *userdata
) {
656 sd_bus
*bus
= userdata
;
661 STRV_FOREACH(p
, argv
+ 1) {
662 q
= resolve_record(bus
, *p
, arg_class
, arg_type
, true);
668 STRV_FOREACH(p
, argv
+ 1) {
669 if (startswith(*p
, "dns:"))
670 q
= resolve_rfc4501(bus
, *p
);
673 union in_addr_union a
;
675 q
= in_addr_ifindex_from_string_auto(*p
, &family
, &a
, &ifindex
);
677 q
= resolve_address(bus
, family
, &a
, ifindex
);
679 q
= resolve_host(bus
, *p
);
688 static int resolve_service(sd_bus
*bus
, const char *name
, const char *type
, const char *domain
) {
689 const char *canonical_name
, *canonical_type
, *canonical_domain
;
690 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
, *reply
= NULL
;
691 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
702 name
= empty_to_null(name
);
703 type
= empty_to_null(type
);
706 log_debug("Resolving service \"%s\" of type %s in %s (family %s, interface %s).", name
, type
, domain
, af_to_name(arg_family
) ?: "*", isempty(arg_ifname
) ? "*" : arg_ifname
);
708 log_debug("Resolving service type %s of %s (family %s, interface %s).", type
, domain
, af_to_name(arg_family
) ?: "*", isempty(arg_ifname
) ? "*" : arg_ifname
);
710 log_debug("Resolving service type %s (family %s, interface %s).", domain
, af_to_name(arg_family
) ?: "*", isempty(arg_ifname
) ? "*" : arg_ifname
);
712 r
= sd_bus_message_new_method_call(
715 "org.freedesktop.resolve1",
716 "/org/freedesktop/resolve1",
717 "org.freedesktop.resolve1.Manager",
720 return bus_log_create_error(r
);
722 r
= sd_bus_message_append(req
, "isssit", arg_ifindex
, name
, type
, domain
, arg_family
, arg_flags
);
724 return bus_log_create_error(r
);
726 ts
= now(CLOCK_MONOTONIC
);
728 r
= sd_bus_call(bus
, req
, SD_RESOLVED_QUERY_TIMEOUT_USEC
, &error
, &reply
);
730 return log_error_errno(r
, "Resolve call failed: %s", bus_error_message(&error
, r
));
732 ts
= now(CLOCK_MONOTONIC
) - ts
;
734 r
= sd_bus_message_enter_container(reply
, 'a', "(qqqsa(iiay)s)");
736 return bus_log_parse_error(r
);
739 (name
? strlen(name
) + 1 : 0) +
740 (type
? strlen(type
) + 1 : 0) +
744 while ((r
= sd_bus_message_enter_container(reply
, 'r', "qqqsa(iiay)s")) > 0) {
745 uint16_t priority
, weight
, port
;
746 const char *hostname
, *canonical
;
748 r
= sd_bus_message_read(reply
, "qqqs", &priority
, &weight
, &port
, &hostname
);
750 return bus_log_parse_error(r
);
753 printf("%*s%s", (int) strlen(name
), c
== 0 ? name
: "", c
== 0 ? "/" : " ");
755 printf("%*s%s", (int) strlen(type
), c
== 0 ? type
: "", c
== 0 ? "/" : " ");
757 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
758 (int) strlen(domain
), c
== 0 ? domain
: "",
763 r
= sd_bus_message_enter_container(reply
, 'a', "(iiay)");
765 return bus_log_parse_error(r
);
767 while ((r
= sd_bus_message_enter_container(reply
, 'r', "iiay")) > 0) {
768 _cleanup_free_
char *pretty
= NULL
;
769 char ifname
[IF_NAMESIZE
] = "";
773 assert_cc(sizeof(int) == sizeof(int32_t));
775 r
= sd_bus_message_read(reply
, "ii", &ifindex
, &family
);
777 return bus_log_parse_error(r
);
779 r
= sd_bus_message_read_array(reply
, 'y', &a
, &sz
);
781 return bus_log_parse_error(r
);
783 r
= sd_bus_message_exit_container(reply
);
785 return bus_log_parse_error(r
);
787 if (!IN_SET(family
, AF_INET
, AF_INET6
)) {
788 log_debug("%s: skipping entry with family %d (%s)", name
, family
, af_to_name(family
) ?: "unknown");
792 if (sz
!= FAMILY_ADDRESS_SIZE(family
)) {
793 log_error("%s: systemd-resolved returned address of invalid size %zu for family %s", name
, sz
, af_to_name(family
) ?: "unknown");
797 if (ifindex
> 0 && !if_indextoname(ifindex
, ifname
))
798 log_warning_errno(errno
, "Failed to resolve interface name for index %i: %m", ifindex
);
800 r
= in_addr_to_string(family
, a
, &pretty
);
802 return log_error_errno(r
, "Failed to print address for %s: %m", name
);
804 printf("%*s%s%s%s\n", (int) indent
, "", pretty
, isempty(ifname
) ? "" : "%s", ifname
);
807 return bus_log_parse_error(r
);
809 r
= sd_bus_message_exit_container(reply
);
811 return bus_log_parse_error(r
);
813 r
= sd_bus_message_read(reply
, "s", &canonical
);
815 return bus_log_parse_error(r
);
817 if (!streq(hostname
, canonical
))
818 printf("%*s(%s)\n", (int) indent
, "", canonical
);
820 r
= sd_bus_message_exit_container(reply
);
822 return bus_log_parse_error(r
);
827 return bus_log_parse_error(r
);
829 r
= sd_bus_message_exit_container(reply
);
831 return bus_log_parse_error(r
);
833 r
= sd_bus_message_enter_container(reply
, 'a', "ay");
835 return bus_log_parse_error(r
);
837 while ((r
= sd_bus_message_read_array(reply
, 'y', (const void**) &p
, &sz
)) > 0) {
838 _cleanup_free_
char *escaped
= NULL
;
840 escaped
= cescape_length(p
, sz
);
844 printf("%*s%s\n", (int) indent
, "", escaped
);
847 return bus_log_parse_error(r
);
849 r
= sd_bus_message_exit_container(reply
);
851 return bus_log_parse_error(r
);
853 r
= sd_bus_message_read(reply
, "ssst", &canonical_name
, &canonical_type
, &canonical_domain
, &flags
);
855 return bus_log_parse_error(r
);
857 canonical_name
= empty_to_null(canonical_name
);
858 canonical_type
= empty_to_null(canonical_type
);
860 if (!streq_ptr(name
, canonical_name
) ||
861 !streq_ptr(type
, canonical_type
) ||
862 !streq_ptr(domain
, canonical_domain
)) {
864 printf("%*s(", (int) indent
, "");
867 printf("%s/", canonical_name
);
869 printf("%s/", canonical_type
);
871 printf("%s)\n", canonical_domain
);
874 print_source(flags
, ts
);
879 static int verb_service(int argc
, char **argv
, void *userdata
) {
880 sd_bus
*bus
= userdata
;
883 return resolve_service(bus
, NULL
, NULL
, argv
[1]);
885 return resolve_service(bus
, NULL
, argv
[1], argv
[2]);
887 return resolve_service(bus
, argv
[1], argv
[2], argv
[3]);
890 static int resolve_openpgp(sd_bus
*bus
, const char *address
) {
891 const char *domain
, *full
;
893 _cleanup_free_
char *hashed
= NULL
;
898 domain
= strrchr(address
, '@');
900 log_error("Address does not contain '@': \"%s\"", address
);
902 } else if (domain
== address
|| domain
[1] == '\0') {
903 log_error("Address starts or ends with '@': \"%s\"", address
);
908 r
= string_hashsum_sha256(address
, domain
- 1 - address
, &hashed
);
910 return log_error_errno(r
, "Hashing failed: %m");
912 strshorten(hashed
, 56);
914 full
= strjoina(hashed
, "._openpgpkey.", domain
);
915 log_debug("Looking up \"%s\".", full
);
917 r
= resolve_record(bus
, full
,
918 arg_class
?: DNS_CLASS_IN
,
919 arg_type
?: DNS_TYPE_OPENPGPKEY
, false);
921 if (IN_SET(r
, -ENXIO
, -ESRCH
)) { /* NXDOMAIN or NODATA? */
922 hashed
= mfree(hashed
);
923 r
= string_hashsum_sha224(address
, domain
- 1 - address
, &hashed
);
925 return log_error_errno(r
, "Hashing failed: %m");
927 full
= strjoina(hashed
, "._openpgpkey.", domain
);
928 log_debug("Looking up \"%s\".", full
);
930 return resolve_record(bus
, full
,
931 arg_class
?: DNS_CLASS_IN
,
932 arg_type
?: DNS_TYPE_OPENPGPKEY
, true);
938 static int verb_openpgp(int argc
, char **argv
, void *userdata
) {
939 sd_bus
*bus
= userdata
;
943 STRV_FOREACH(p
, argv
+ 1) {
944 q
= resolve_openpgp(bus
, *p
);
952 static int resolve_tlsa(sd_bus
*bus
, const char *family
, const char *address
) {
954 uint16_t port_num
= 443;
955 _cleanup_free_
char *full
= NULL
;
961 port
= strrchr(address
, ':');
963 r
= parse_ip_port(port
+ 1, &port_num
);
965 return log_error_errno(r
, "Invalid port \"%s\".", port
+ 1);
967 address
= strndupa(address
, port
- address
);
970 r
= asprintf(&full
, "_%u._%s.%s",
977 log_debug("Looking up \"%s\".", full
);
979 return resolve_record(bus
, full
,
980 arg_class
?: DNS_CLASS_IN
,
981 arg_type
?: DNS_TYPE_TLSA
, true);
984 static bool service_family_is_valid(const char *s
) {
985 return STR_IN_SET(s
, "tcp", "udp", "sctp");
988 static int verb_tlsa(int argc
, char **argv
, void *userdata
) {
989 sd_bus
*bus
= userdata
;
990 char **p
, **args
= argv
+ 1;
991 const char *family
= "tcp";
994 if (service_family_is_valid(argv
[1])) {
999 STRV_FOREACH(p
, args
) {
1000 q
= resolve_tlsa(bus
, family
, *p
);
1008 static int show_statistics(int argc
, char **argv
, void *userdata
) {
1009 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1010 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
1011 sd_bus
*bus
= userdata
;
1012 uint64_t n_current_transactions
, n_total_transactions
,
1013 cache_size
, n_cache_hit
, n_cache_miss
,
1014 n_dnssec_secure
, n_dnssec_insecure
, n_dnssec_bogus
, n_dnssec_indeterminate
;
1015 int r
, dnssec_supported
;
1019 r
= sd_bus_get_property_trivial(bus
,
1020 "org.freedesktop.resolve1",
1021 "/org/freedesktop/resolve1",
1022 "org.freedesktop.resolve1.Manager",
1028 return log_error_errno(r
, "Failed to get DNSSEC supported state: %s", bus_error_message(&error
, r
));
1030 printf("DNSSEC supported by current servers: %s%s%s\n\n",
1032 yes_no(dnssec_supported
),
1035 r
= sd_bus_get_property(bus
,
1036 "org.freedesktop.resolve1",
1037 "/org/freedesktop/resolve1",
1038 "org.freedesktop.resolve1.Manager",
1039 "TransactionStatistics",
1044 return log_error_errno(r
, "Failed to get transaction statistics: %s", bus_error_message(&error
, r
));
1046 r
= sd_bus_message_read(reply
, "(tt)",
1047 &n_current_transactions
,
1048 &n_total_transactions
);
1050 return bus_log_parse_error(r
);
1052 printf("%sTransactions%s\n"
1053 "Current Transactions: %" PRIu64
"\n"
1054 " Total Transactions: %" PRIu64
"\n",
1057 n_current_transactions
,
1058 n_total_transactions
);
1060 reply
= sd_bus_message_unref(reply
);
1062 r
= sd_bus_get_property(bus
,
1063 "org.freedesktop.resolve1",
1064 "/org/freedesktop/resolve1",
1065 "org.freedesktop.resolve1.Manager",
1071 return log_error_errno(r
, "Failed to get cache statistics: %s", bus_error_message(&error
, r
));
1073 r
= sd_bus_message_read(reply
, "(ttt)",
1078 return bus_log_parse_error(r
);
1080 printf("\n%sCache%s\n"
1081 " Current Cache Size: %" PRIu64
"\n"
1082 " Cache Hits: %" PRIu64
"\n"
1083 " Cache Misses: %" PRIu64
"\n",
1090 reply
= sd_bus_message_unref(reply
);
1092 r
= sd_bus_get_property(bus
,
1093 "org.freedesktop.resolve1",
1094 "/org/freedesktop/resolve1",
1095 "org.freedesktop.resolve1.Manager",
1101 return log_error_errno(r
, "Failed to get DNSSEC statistics: %s", bus_error_message(&error
, r
));
1103 r
= sd_bus_message_read(reply
, "(tttt)",
1107 &n_dnssec_indeterminate
);
1109 return bus_log_parse_error(r
);
1111 printf("\n%sDNSSEC Verdicts%s\n"
1112 " Secure: %" PRIu64
"\n"
1113 " Insecure: %" PRIu64
"\n"
1114 " Bogus: %" PRIu64
"\n"
1115 " Indeterminate: %" PRIu64
"\n",
1121 n_dnssec_indeterminate
);
1126 static int reset_statistics(int argc
, char **argv
, void *userdata
) {
1127 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1128 sd_bus
*bus
= userdata
;
1131 r
= sd_bus_call_method(bus
,
1132 "org.freedesktop.resolve1",
1133 "/org/freedesktop/resolve1",
1134 "org.freedesktop.resolve1.Manager",
1140 return log_error_errno(r
, "Failed to reset statistics: %s", bus_error_message(&error
, r
));
1145 static int flush_caches(int argc
, char **argv
, void *userdata
) {
1146 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1147 sd_bus
*bus
= userdata
;
1150 r
= sd_bus_call_method(bus
,
1151 "org.freedesktop.resolve1",
1152 "/org/freedesktop/resolve1",
1153 "org.freedesktop.resolve1.Manager",
1159 return log_error_errno(r
, "Failed to flush caches: %s", bus_error_message(&error
, r
));
1164 static int reset_server_features(int argc
, char **argv
, void *userdata
) {
1165 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1166 sd_bus
*bus
= userdata
;
1169 r
= sd_bus_call_method(bus
,
1170 "org.freedesktop.resolve1",
1171 "/org/freedesktop/resolve1",
1172 "org.freedesktop.resolve1.Manager",
1173 "ResetServerFeatures",
1178 return log_error_errno(r
, "Failed to reset server features: %s", bus_error_message(&error
, r
));
1183 static int read_dns_server_one(sd_bus_message
*m
, bool with_ifindex
, char **ret
) {
1184 _cleanup_free_
char *pretty
= NULL
;
1185 int ifindex
, family
, r
;
1192 r
= sd_bus_message_enter_container(m
, 'r', with_ifindex
? "iiay" : "iay");
1197 r
= sd_bus_message_read(m
, "i", &ifindex
);
1202 r
= sd_bus_message_read(m
, "i", &family
);
1206 r
= sd_bus_message_read_array(m
, 'y', &a
, &sz
);
1210 r
= sd_bus_message_exit_container(m
);
1214 if (with_ifindex
&& ifindex
!= 0) {
1215 /* only show the global ones here */
1220 if (!IN_SET(family
, AF_INET
, AF_INET6
)) {
1221 log_debug("Unexpected family, ignoring: %i", family
);
1227 if (sz
!= FAMILY_ADDRESS_SIZE(family
)) {
1228 log_debug("Address size mismatch, ignoring.");
1234 r
= in_addr_to_string(family
, a
, &pretty
);
1238 *ret
= TAKE_PTR(pretty
);
1243 static int map_link_dns_servers(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1244 char ***l
= userdata
;
1252 r
= sd_bus_message_enter_container(m
, 'a', "(iay)");
1257 char *pretty
= NULL
;
1259 r
= read_dns_server_one(m
, false, &pretty
);
1265 if (isempty(pretty
))
1268 r
= strv_consume(l
, pretty
);
1273 r
= sd_bus_message_exit_container(m
);
1280 static int map_link_current_dns_server(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1284 return read_dns_server_one(m
, false, userdata
);
1287 static int read_domain_one(sd_bus_message
*m
, bool with_ifindex
, char **ret
) {
1288 _cleanup_free_
char *str
= NULL
;
1289 int ifindex
, route_only
, r
;
1296 r
= sd_bus_message_read(m
, "(isb)", &ifindex
, &domain
, &route_only
);
1298 r
= sd_bus_message_read(m
, "(sb)", &domain
, &route_only
);
1302 if (with_ifindex
&& ifindex
!= 0) {
1303 /* only show the global ones here */
1309 str
= strappend("~", domain
);
1311 str
= strdup(domain
);
1315 *ret
= TAKE_PTR(str
);
1320 static int map_link_domains(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1321 char ***l
= userdata
;
1329 r
= sd_bus_message_enter_container(m
, 'a', "(sb)");
1334 char *pretty
= NULL
;
1336 r
= read_domain_one(m
, false, &pretty
);
1342 if (isempty(pretty
))
1345 r
= strv_consume(l
, pretty
);
1350 r
= sd_bus_message_exit_container(m
);
1357 static int status_print_strv_ifindex(int ifindex
, const char *ifname
, char **p
) {
1360 printf("%sLink %i (%s)%s:",
1361 ansi_highlight(), ifindex
, ifname
, ansi_normal());
1372 uint64_t scopes_mask
;
1375 const char *dns_over_tls
;
1381 bool dnssec_supported
;
1384 static void link_info_clear(struct link_info
*p
) {
1385 free(p
->current_dns
);
1387 strv_free(p
->domains
);
1391 static int status_ifindex(sd_bus
*bus
, int ifindex
, const char *name
, StatusMode mode
, bool *empty_line
) {
1392 static const struct bus_properties_map property_map
[] = {
1393 { "ScopesMask", "t", NULL
, offsetof(struct link_info
, scopes_mask
) },
1394 { "DNS", "a(iay)", map_link_dns_servers
, offsetof(struct link_info
, dns
) },
1395 { "CurrentDNSServer", "(iay)", map_link_current_dns_server
, offsetof(struct link_info
, current_dns
) },
1396 { "Domains", "a(sb)", map_link_domains
, offsetof(struct link_info
, domains
) },
1397 { "LLMNR", "s", NULL
, offsetof(struct link_info
, llmnr
) },
1398 { "MulticastDNS", "s", NULL
, offsetof(struct link_info
, mdns
) },
1399 { "DNSOverTLS", "s", NULL
, offsetof(struct link_info
, dns_over_tls
) },
1400 { "DNSSEC", "s", NULL
, offsetof(struct link_info
, dnssec
) },
1401 { "DNSSECNegativeTrustAnchors", "as", NULL
, offsetof(struct link_info
, ntas
) },
1402 { "DNSSECSupported", "b", NULL
, offsetof(struct link_info
, dnssec_supported
) },
1405 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1406 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
1407 _cleanup_(link_info_clear
) struct link_info link_info
= {};
1408 _cleanup_free_
char *ifi
= NULL
, *p
= NULL
;
1409 char ifname
[IF_NAMESIZE
] = "";
1414 assert(ifindex
> 0);
1417 if (!if_indextoname(ifindex
, ifname
))
1418 return log_error_errno(errno
, "Failed to resolve interface name for %i: %m", ifindex
);
1423 if (asprintf(&ifi
, "%i", ifindex
) < 0)
1426 r
= sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi
, &p
);
1430 r
= bus_map_all_properties(bus
,
1431 "org.freedesktop.resolve1",
1434 BUS_MAP_BOOLEAN_AS_BOOL
,
1439 return log_error_errno(r
, "Failed to get link data for %i: %s", ifindex
, bus_error_message(&error
, r
));
1441 (void) pager_open(arg_no_pager
, false);
1443 if (mode
== STATUS_DNS
)
1444 return status_print_strv_ifindex(ifindex
, name
, link_info
.dns
);
1446 if (mode
== STATUS_DOMAIN
)
1447 return status_print_strv_ifindex(ifindex
, name
, link_info
.domains
);
1449 if (mode
== STATUS_NTA
)
1450 return status_print_strv_ifindex(ifindex
, name
, link_info
.ntas
);
1452 if (mode
== STATUS_LLMNR
) {
1453 printf("%sLink %i (%s)%s: %s\n",
1454 ansi_highlight(), ifindex
, name
, ansi_normal(),
1455 strna(link_info
.llmnr
));
1460 if (mode
== STATUS_MDNS
) {
1461 printf("%sLink %i (%s)%s: %s\n",
1462 ansi_highlight(), ifindex
, name
, ansi_normal(),
1463 strna(link_info
.mdns
));
1468 if (mode
== STATUS_PRIVATE
) {
1469 printf("%sLink %i (%s)%s: %s\n",
1470 ansi_highlight(), ifindex
, name
, ansi_normal(),
1471 strna(link_info
.dns_over_tls
));
1476 if (mode
== STATUS_DNSSEC
) {
1477 printf("%sLink %i (%s)%s: %s\n",
1478 ansi_highlight(), ifindex
, name
, ansi_normal(),
1479 strna(link_info
.dnssec
));
1484 if (empty_line
&& *empty_line
)
1485 fputc('\n', stdout
);
1487 printf("%sLink %i (%s)%s\n",
1488 ansi_highlight(), ifindex
, name
, ansi_normal());
1490 if (link_info
.scopes_mask
== 0)
1491 printf(" Current Scopes: none\n");
1493 printf(" Current Scopes:%s%s%s%s%s\n",
1494 link_info
.scopes_mask
& SD_RESOLVED_DNS
? " DNS" : "",
1495 link_info
.scopes_mask
& SD_RESOLVED_LLMNR_IPV4
? " LLMNR/IPv4" : "",
1496 link_info
.scopes_mask
& SD_RESOLVED_LLMNR_IPV6
? " LLMNR/IPv6" : "",
1497 link_info
.scopes_mask
& SD_RESOLVED_MDNS_IPV4
? " mDNS/IPv4" : "",
1498 link_info
.scopes_mask
& SD_RESOLVED_MDNS_IPV6
? " mDNS/IPv6" : "");
1500 printf(" LLMNR setting: %s\n"
1501 "MulticastDNS setting: %s\n"
1502 " DNSOverTLS setting: %s\n"
1503 " DNSSEC setting: %s\n"
1504 " DNSSEC supported: %s\n",
1505 strna(link_info
.llmnr
),
1506 strna(link_info
.mdns
),
1507 strna(link_info
.dns_over_tls
),
1508 strna(link_info
.dnssec
),
1509 yes_no(link_info
.dnssec_supported
));
1511 if (link_info
.current_dns
)
1512 printf(" Current DNS Server: %s\n", link_info
.current_dns
);
1514 STRV_FOREACH(i
, link_info
.dns
) {
1516 i
== link_info
.dns
? "DNS Servers:" : " ",
1520 STRV_FOREACH(i
, link_info
.domains
) {
1522 i
== link_info
.domains
? "DNS Domain:" : " ",
1526 STRV_FOREACH(i
, link_info
.ntas
) {
1528 i
== link_info
.ntas
? "DNSSEC NTA:" : " ",
1538 static int map_global_dns_servers(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1539 char ***l
= userdata
;
1547 r
= sd_bus_message_enter_container(m
, 'a', "(iiay)");
1552 char *pretty
= NULL
;
1554 r
= read_dns_server_one(m
, true, &pretty
);
1560 if (isempty(pretty
))
1563 r
= strv_consume(l
, pretty
);
1568 r
= sd_bus_message_exit_container(m
);
1575 static int map_global_current_dns_server(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1579 return read_dns_server_one(m
, true, userdata
);
1582 static int map_global_domains(sd_bus
*bus
, const char *member
, sd_bus_message
*m
, sd_bus_error
*error
, void *userdata
) {
1583 char ***l
= userdata
;
1591 r
= sd_bus_message_enter_container(m
, 'a', "(isb)");
1596 char *pretty
= NULL
;
1598 r
= read_domain_one(m
, true, &pretty
);
1604 if (isempty(pretty
))
1607 r
= strv_consume(l
, pretty
);
1612 r
= sd_bus_message_exit_container(m
);
1619 static int status_print_strv_global(char **p
) {
1622 printf("%sGlobal%s:", ansi_highlight(), ansi_normal());
1632 struct global_info
{
1635 char **fallback_dns
;
1640 const char *dns_over_tls
;
1642 bool dnssec_supported
;
1645 static void global_info_clear(struct global_info
*p
) {
1646 free(p
->current_dns
);
1648 strv_free(p
->fallback_dns
);
1649 strv_free(p
->domains
);
1653 static int status_global(sd_bus
*bus
, StatusMode mode
, bool *empty_line
) {
1654 static const struct bus_properties_map property_map
[] = {
1655 { "DNS", "a(iiay)", map_global_dns_servers
, offsetof(struct global_info
, dns
) },
1656 { "FallbackDNS", "a(iiay)", map_global_dns_servers
, offsetof(struct global_info
, fallback_dns
) },
1657 { "CurrentDNSServer", "(iiay)", map_global_current_dns_server
, offsetof(struct global_info
, current_dns
) },
1658 { "Domains", "a(isb)", map_global_domains
, offsetof(struct global_info
, domains
) },
1659 { "DNSSECNegativeTrustAnchors", "as", NULL
, offsetof(struct global_info
, ntas
) },
1660 { "LLMNR", "s", NULL
, offsetof(struct global_info
, llmnr
) },
1661 { "MulticastDNS", "s", NULL
, offsetof(struct global_info
, mdns
) },
1662 { "DNSOverTLS", "s", NULL
, offsetof(struct global_info
, dns_over_tls
) },
1663 { "DNSSEC", "s", NULL
, offsetof(struct global_info
, dnssec
) },
1664 { "DNSSECSupported", "b", NULL
, offsetof(struct global_info
, dnssec_supported
) },
1667 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1668 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
1669 _cleanup_(global_info_clear
) struct global_info global_info
= {};
1676 r
= bus_map_all_properties(bus
,
1677 "org.freedesktop.resolve1",
1678 "/org/freedesktop/resolve1",
1680 BUS_MAP_BOOLEAN_AS_BOOL
,
1685 return log_error_errno(r
, "Failed to get global data: %s", bus_error_message(&error
, r
));
1687 (void) pager_open(arg_no_pager
, false);
1689 if (mode
== STATUS_DNS
)
1690 return status_print_strv_global(global_info
.dns
);
1692 if (mode
== STATUS_DOMAIN
)
1693 return status_print_strv_global(global_info
.domains
);
1695 if (mode
== STATUS_NTA
)
1696 return status_print_strv_global(global_info
.ntas
);
1698 if (mode
== STATUS_LLMNR
) {
1699 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1700 strna(global_info
.llmnr
));
1705 if (mode
== STATUS_MDNS
) {
1706 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1707 strna(global_info
.mdns
));
1712 if (mode
== STATUS_PRIVATE
) {
1713 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1714 strna(global_info
.dns_over_tls
));
1719 if (mode
== STATUS_DNSSEC
) {
1720 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1721 strna(global_info
.dnssec
));
1726 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
1728 printf(" LLMNR setting: %s\n"
1729 "MulticastDNS setting: %s\n"
1730 " DNSOverTLS setting: %s\n"
1731 " DNSSEC setting: %s\n"
1732 " DNSSEC supported: %s\n",
1733 strna(global_info
.llmnr
),
1734 strna(global_info
.mdns
),
1735 strna(global_info
.dns_over_tls
),
1736 strna(global_info
.dnssec
),
1737 yes_no(global_info
.dnssec_supported
));
1739 if (global_info
.current_dns
)
1740 printf(" Current DNS Server: %s\n", global_info
.current_dns
);
1742 STRV_FOREACH(i
, global_info
.dns
) {
1744 i
== global_info
.dns
? "DNS Servers:" : " ",
1748 STRV_FOREACH(i
, global_info
.fallback_dns
) {
1750 i
== global_info
.fallback_dns
? "Fallback DNS Servers:" : " ",
1754 STRV_FOREACH(i
, global_info
.domains
) {
1756 i
== global_info
.domains
? "DNS Domain:" : " ",
1760 strv_sort(global_info
.ntas
);
1761 STRV_FOREACH(i
, global_info
.ntas
) {
1763 i
== global_info
.ntas
? "DNSSEC NTA:" : " ",
1772 static int status_all(sd_bus
*bus
, StatusMode mode
) {
1773 _cleanup_(sd_netlink_message_unrefp
) sd_netlink_message
*req
= NULL
, *reply
= NULL
;
1774 _cleanup_(sd_netlink_unrefp
) sd_netlink
*rtnl
= NULL
;
1775 sd_netlink_message
*i
;
1776 bool empty_line
= false;
1781 r
= status_global(bus
, mode
, &empty_line
);
1785 r
= sd_netlink_open(&rtnl
);
1787 return log_error_errno(r
, "Failed to connect to netlink: %m");
1789 r
= sd_rtnl_message_new_link(rtnl
, &req
, RTM_GETLINK
, 0);
1791 return rtnl_log_create_error(r
);
1793 r
= sd_netlink_message_request_dump(req
, true);
1795 return rtnl_log_create_error(r
);
1797 r
= sd_netlink_call(rtnl
, req
, 0, &reply
);
1799 return log_error_errno(r
, "Failed to enumerate links: %m");
1802 for (i
= reply
; i
; i
= sd_netlink_message_next(i
)) {
1807 q
= sd_netlink_message_get_type(i
, &type
);
1809 return rtnl_log_parse_error(q
);
1811 if (type
!= RTM_NEWLINK
)
1814 q
= sd_rtnl_message_link_get_ifindex(i
, &ifindex
);
1816 return rtnl_log_parse_error(q
);
1818 if (ifindex
== LOOPBACK_IFINDEX
)
1821 q
= sd_netlink_message_read_string(i
, IFLA_IFNAME
, &name
);
1823 return rtnl_log_parse_error(q
);
1825 q
= status_ifindex(bus
, ifindex
, name
, mode
, &empty_line
);
1826 if (q
< 0 && r
>= 0)
1833 static int verb_status(int argc
, char **argv
, void *userdata
) {
1834 sd_bus
*bus
= userdata
;
1839 bool empty_line
= false;
1841 STRV_FOREACH(ifname
, argv
+ 1) {
1844 ifindex
= parse_ifindex_and_warn(*ifname
);
1848 q
= status_ifindex(bus
, ifindex
, NULL
, STATUS_ALL
, &empty_line
);
1853 r
= status_all(bus
, STATUS_ALL
);
1858 static int log_interface_is_managed(int r
, int ifindex
) {
1859 char ifname
[IFNAMSIZ
];
1861 return log_error_errno(r
,
1862 "The specified interface %s is managed by systemd-networkd. Operation refused.\n"
1863 "Please configure DNS settings for systemd-networkd managed interfaces directly in their .network files.",
1864 strna(if_indextoname(ifindex
, ifname
)));
1867 static int verb_dns(int argc
, char **argv
, void *userdata
) {
1868 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1869 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
;
1870 sd_bus
*bus
= userdata
;
1877 return status_all(bus
, STATUS_DNS
);
1879 r
= ifname_mangle(argv
[1], false);
1884 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_DNS
, NULL
);
1886 r
= sd_bus_message_new_method_call(
1889 "org.freedesktop.resolve1",
1890 "/org/freedesktop/resolve1",
1891 "org.freedesktop.resolve1.Manager",
1894 return bus_log_create_error(r
);
1896 r
= sd_bus_message_append(req
, "i", arg_ifindex
);
1898 return bus_log_create_error(r
);
1900 r
= sd_bus_message_open_container(req
, 'a', "(iay)");
1902 return bus_log_create_error(r
);
1904 /* If only argument is the empty string, then call SetLinkDNS() with an
1905 * empty list, which will clear the list of domains for an interface. */
1906 if (!strv_equal(argv
+ 2, STRV_MAKE(""))) {
1907 STRV_FOREACH(p
, argv
+ 2) {
1908 struct in_addr_data data
;
1910 r
= in_addr_from_string_auto(*p
, &data
.family
, &data
.address
);
1912 return log_error_errno(r
, "Failed to parse DNS server address: %s", *p
);
1914 r
= sd_bus_message_open_container(req
, 'r', "iay");
1916 return bus_log_create_error(r
);
1918 r
= sd_bus_message_append(req
, "i", data
.family
);
1920 return bus_log_create_error(r
);
1922 r
= sd_bus_message_append_array(req
, 'y', &data
.address
, FAMILY_ADDRESS_SIZE(data
.family
));
1924 return bus_log_create_error(r
);
1926 r
= sd_bus_message_close_container(req
);
1928 return bus_log_create_error(r
);
1932 r
= sd_bus_message_close_container(req
);
1934 return bus_log_create_error(r
);
1936 r
= sd_bus_call(bus
, req
, 0, &error
, NULL
);
1938 if (sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
))
1939 return log_interface_is_managed(r
, arg_ifindex
);
1941 if (arg_ifindex_permissive
&&
1942 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
1945 return log_error_errno(r
, "Failed to set DNS configuration: %s", bus_error_message(&error
, r
));
1951 static int verb_domain(int argc
, char **argv
, void *userdata
) {
1952 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1953 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
;
1954 sd_bus
*bus
= userdata
;
1961 return status_all(bus
, STATUS_DOMAIN
);
1963 r
= ifname_mangle(argv
[1], false);
1968 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_DOMAIN
, NULL
);
1970 r
= sd_bus_message_new_method_call(
1973 "org.freedesktop.resolve1",
1974 "/org/freedesktop/resolve1",
1975 "org.freedesktop.resolve1.Manager",
1978 return bus_log_create_error(r
);
1980 r
= sd_bus_message_append(req
, "i", arg_ifindex
);
1982 return bus_log_create_error(r
);
1984 r
= sd_bus_message_open_container(req
, 'a', "(sb)");
1986 return bus_log_create_error(r
);
1988 /* If only argument is the empty string, then call SetLinkDomains() with an
1989 * empty list, which will clear the list of domains for an interface. */
1990 if (!strv_equal(argv
+ 2, STRV_MAKE(""))) {
1991 STRV_FOREACH(p
, argv
+ 2) {
1994 n
= **p
== '~' ? *p
+ 1 : *p
;
1996 r
= dns_name_is_valid(n
);
1998 return log_error_errno(r
, "Failed to validate specified domain %s: %m", n
);
2000 log_error("Domain not valid: %s", n
);
2004 r
= sd_bus_message_append(req
, "(sb)", n
, **p
== '~');
2006 return bus_log_create_error(r
);
2010 r
= sd_bus_message_close_container(req
);
2012 return bus_log_create_error(r
);
2014 r
= sd_bus_call(bus
, req
, 0, &error
, NULL
);
2016 if (sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
))
2017 return log_interface_is_managed(r
, arg_ifindex
);
2019 if (arg_ifindex_permissive
&&
2020 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2023 return log_error_errno(r
, "Failed to set domain configuration: %s", bus_error_message(&error
, r
));
2029 static int verb_llmnr(int argc
, char **argv
, void *userdata
) {
2030 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2031 sd_bus
*bus
= userdata
;
2037 return status_all(bus
, STATUS_LLMNR
);
2039 r
= ifname_mangle(argv
[1], false);
2044 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_LLMNR
, NULL
);
2046 r
= sd_bus_call_method(bus
,
2047 "org.freedesktop.resolve1",
2048 "/org/freedesktop/resolve1",
2049 "org.freedesktop.resolve1.Manager",
2053 "is", arg_ifindex
, argv
[2]);
2055 if (sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
))
2056 return log_interface_is_managed(r
, arg_ifindex
);
2058 if (arg_ifindex_permissive
&&
2059 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2062 return log_error_errno(r
, "Failed to set LLMNR configuration: %s", bus_error_message(&error
, r
));
2068 static int verb_mdns(int argc
, char **argv
, void *userdata
) {
2069 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2070 sd_bus
*bus
= userdata
;
2076 return status_all(bus
, STATUS_MDNS
);
2078 r
= ifname_mangle(argv
[1], false);
2083 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_MDNS
, NULL
);
2085 r
= sd_bus_call_method(bus
,
2086 "org.freedesktop.resolve1",
2087 "/org/freedesktop/resolve1",
2088 "org.freedesktop.resolve1.Manager",
2089 "SetLinkMulticastDNS",
2092 "is", arg_ifindex
, argv
[2]);
2094 if (sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
))
2095 return log_interface_is_managed(r
, arg_ifindex
);
2097 if (arg_ifindex_permissive
&&
2098 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2101 return log_error_errno(r
, "Failed to set MulticastDNS configuration: %s", bus_error_message(&error
, r
));
2107 static int verb_dns_over_tls(int argc
, char **argv
, void *userdata
) {
2108 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2109 sd_bus
*bus
= userdata
;
2115 return status_all(bus
, STATUS_PRIVATE
);
2117 r
= ifname_mangle(argv
[1], false);
2122 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_PRIVATE
, NULL
);
2124 r
= sd_bus_call_method(bus
,
2125 "org.freedesktop.resolve1",
2126 "/org/freedesktop/resolve1",
2127 "org.freedesktop.resolve1.Manager",
2128 "SetLinkDNSOverTLS",
2131 "is", arg_ifindex
, argv
[2]);
2133 if (sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
))
2134 return log_interface_is_managed(r
, arg_ifindex
);
2136 if (arg_ifindex_permissive
&&
2137 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2140 return log_error_errno(r
, "Failed to set DNSOverTLS configuration: %s", bus_error_message(&error
, r
));
2146 static int verb_dnssec(int argc
, char **argv
, void *userdata
) {
2147 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2148 sd_bus
*bus
= userdata
;
2154 return status_all(bus
, STATUS_DNSSEC
);
2156 r
= ifname_mangle(argv
[1], false);
2161 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_DNSSEC
, NULL
);
2163 r
= sd_bus_call_method(bus
,
2164 "org.freedesktop.resolve1",
2165 "/org/freedesktop/resolve1",
2166 "org.freedesktop.resolve1.Manager",
2170 "is", arg_ifindex
, argv
[2]);
2172 if (sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
))
2173 return log_interface_is_managed(r
, arg_ifindex
);
2175 if (arg_ifindex_permissive
&&
2176 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2179 return log_error_errno(r
, "Failed to set DNSSEC configuration: %s", bus_error_message(&error
, r
));
2185 static int verb_nta(int argc
, char **argv
, void *userdata
) {
2186 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2187 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*req
= NULL
;
2188 sd_bus
*bus
= userdata
;
2196 return status_all(bus
, STATUS_NTA
);
2198 r
= ifname_mangle(argv
[1], false);
2203 return status_ifindex(bus
, arg_ifindex
, NULL
, STATUS_NTA
, NULL
);
2205 /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
2206 * with an empty list, which will clear the list of domains for an interface. */
2207 clear
= strv_equal(argv
+ 2, STRV_MAKE(""));
2210 STRV_FOREACH(p
, argv
+ 2) {
2211 r
= dns_name_is_valid(*p
);
2213 return log_error_errno(r
, "Failed to validate specified domain %s: %m", *p
);
2215 log_error("Domain not valid: %s", *p
);
2220 r
= sd_bus_message_new_method_call(
2223 "org.freedesktop.resolve1",
2224 "/org/freedesktop/resolve1",
2225 "org.freedesktop.resolve1.Manager",
2226 "SetLinkDNSSECNegativeTrustAnchors");
2228 return bus_log_create_error(r
);
2230 r
= sd_bus_message_append(req
, "i", arg_ifindex
);
2232 return bus_log_create_error(r
);
2234 r
= sd_bus_message_append_strv(req
, clear
? NULL
: argv
+ 2);
2236 return bus_log_create_error(r
);
2238 r
= sd_bus_call(bus
, req
, 0, &error
, NULL
);
2240 if (sd_bus_error_has_name(&error
, BUS_ERROR_LINK_BUSY
))
2241 return log_interface_is_managed(r
, arg_ifindex
);
2243 if (arg_ifindex_permissive
&&
2244 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2247 return log_error_errno(r
, "Failed to set DNSSEC NTA configuration: %s", bus_error_message(&error
, r
));
2253 static int verb_revert_link(int argc
, char **argv
, void *userdata
) {
2254 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2255 sd_bus
*bus
= userdata
;
2260 r
= ifname_mangle(argv
[1], false);
2264 r
= sd_bus_call_method(bus
,
2265 "org.freedesktop.resolve1",
2266 "/org/freedesktop/resolve1",
2267 "org.freedesktop.resolve1.Manager",
2273 if (arg_ifindex_permissive
&&
2274 sd_bus_error_has_name(&error
, BUS_ERROR_NO_SUCH_LINK
))
2277 return log_error_errno(r
, "Failed to revert interface configuration: %s", bus_error_message(&error
, r
));
2283 static void help_protocol_types(void) {
2285 puts("Known protocol types:");
2286 puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmdns-ipv4\nmdns-ipv6");
2289 static void help_dns_types(void) {
2291 puts("Known DNS RR types:");
2293 DUMP_STRING_TABLE(dns_type
, int, _DNS_TYPE_MAX
);
2296 static void help_dns_classes(void) {
2298 puts("Known DNS RR classes:");
2300 DUMP_STRING_TABLE(dns_class
, int, _DNS_CLASS_MAX
);
2303 static void compat_help(void) {
2304 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
2305 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
2306 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
2307 "%1$s [OPTIONS...] --statistics\n"
2308 "%1$s [OPTIONS...] --reset-statistics\n"
2310 "Resolve domain names, IPv4 and IPv6 addresses, DNS records, and services.\n\n"
2311 " -h --help Show this help\n"
2312 " --version Show package version\n"
2313 " --no-pager Do not pipe output into a pager\n"
2314 " -4 Resolve IPv4 addresses\n"
2315 " -6 Resolve IPv6 addresses\n"
2316 " -i --interface=INTERFACE Look on interface\n"
2317 " -p --protocol=PROTO|help Look via protocol\n"
2318 " -t --type=TYPE|help Query RR with DNS type\n"
2319 " -c --class=CLASS|help Query RR with DNS class\n"
2320 " --service Resolve service (SRV)\n"
2321 " --service-address=BOOL Resolve address for services (default: yes)\n"
2322 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2323 " --openpgp Query OpenPGP public key\n"
2324 " --tlsa Query TLS public key\n"
2325 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2326 " --search=BOOL Use search domains for single-label names\n"
2328 " --raw[=payload|packet] Dump the answer as binary data\n"
2329 " --legend=BOOL Print headers and additional info (default: yes)\n"
2330 " --statistics Show resolver statistics\n"
2331 " --reset-statistics Reset resolver statistics\n"
2332 " --status Show link and server status\n"
2333 " --flush-caches Flush all local DNS caches\n"
2334 " --reset-server-features\n"
2335 " Forget learnt DNS server feature levels\n"
2336 " --set-dns=SERVER Set per-interface DNS server address\n"
2337 " --set-domain=DOMAIN Set per-interface search domain\n"
2338 " --set-llmnr=MODE Set per-interface LLMNR mode\n"
2339 " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
2340 " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
2341 " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
2342 " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
2343 " --revert Revert per-interface configuration\n"
2344 , program_invocation_short_name
);
2347 static void native_help(void) {
2348 printf("%1$s [OPTIONS...] {COMMAND} ...\n"
2350 "Send control commands to the network name resolution manager, or\n"
2351 "resolve domain names, IPv4 and IPv6 addresses, DNS records, and services.\n"
2353 " -h --help Show this help\n"
2354 " --version Show package version\n"
2355 " --no-pager Do not pipe output into a pager\n"
2356 " -4 Resolve IPv4 addresses\n"
2357 " -6 Resolve IPv6 addresses\n"
2358 " -i --interface=INTERFACE Look on interface\n"
2359 " -p --protocol=PROTO|help Look via protocol\n"
2360 " -t --type=TYPE|help Query RR with DNS type\n"
2361 " -c --class=CLASS|help Query RR with DNS class\n"
2362 " --service-address=BOOL Resolve address for services (default: yes)\n"
2363 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2364 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2365 " --search=BOOL Use search domains for single-label names\n"
2367 " --raw[=payload|packet] Dump the answer as binary data\n"
2368 " --legend=BOOL Print headers and additional info (default: yes)\n"
2371 " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
2372 " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
2373 " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
2374 " tlsa DOMAIN[:PORT]... Query TLS public key\n"
2375 " status [LINK...] Show link and server status\n"
2376 " statistics Show resolver statistics\n"
2377 " reset-statistics Reset resolver statistics\n"
2378 " flush-caches Flush all local DNS caches\n"
2379 " reset-server-features Forget learnt DNS server feature levels\n"
2380 " dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
2381 " domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
2382 " llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
2383 " mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
2384 " dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
2385 " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
2386 " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
2387 " revert LINK Revert per-interface configuration\n"
2388 , program_invocation_short_name
);
2391 static int verb_help(int argc
, char **argv
, void *userdata
) {
2396 static int compat_parse_argv(int argc
, char *argv
[]) {
2398 ARG_VERSION
= 0x100,
2402 ARG_SERVICE_ADDRESS
,
2409 ARG_RESET_STATISTICS
,
2412 ARG_RESET_SERVER_FEATURES
,
2424 static const struct option options
[] = {
2425 { "help", no_argument
, NULL
, 'h' },
2426 { "version", no_argument
, NULL
, ARG_VERSION
},
2427 { "type", required_argument
, NULL
, 't' },
2428 { "class", required_argument
, NULL
, 'c' },
2429 { "legend", required_argument
, NULL
, ARG_LEGEND
},
2430 { "interface", required_argument
, NULL
, 'i' },
2431 { "protocol", required_argument
, NULL
, 'p' },
2432 { "cname", required_argument
, NULL
, ARG_CNAME
},
2433 { "service", no_argument
, NULL
, ARG_SERVICE
},
2434 { "service-address", required_argument
, NULL
, ARG_SERVICE_ADDRESS
},
2435 { "service-txt", required_argument
, NULL
, ARG_SERVICE_TXT
},
2436 { "openpgp", no_argument
, NULL
, ARG_OPENPGP
},
2437 { "tlsa", optional_argument
, NULL
, ARG_TLSA
},
2438 { "raw", optional_argument
, NULL
, ARG_RAW
},
2439 { "search", required_argument
, NULL
, ARG_SEARCH
},
2440 { "statistics", no_argument
, NULL
, ARG_STATISTICS
, },
2441 { "reset-statistics", no_argument
, NULL
, ARG_RESET_STATISTICS
},
2442 { "status", no_argument
, NULL
, ARG_STATUS
},
2443 { "flush-caches", no_argument
, NULL
, ARG_FLUSH_CACHES
},
2444 { "reset-server-features", no_argument
, NULL
, ARG_RESET_SERVER_FEATURES
},
2445 { "no-pager", no_argument
, NULL
, ARG_NO_PAGER
},
2446 { "set-dns", required_argument
, NULL
, ARG_SET_DNS
},
2447 { "set-domain", required_argument
, NULL
, ARG_SET_DOMAIN
},
2448 { "set-llmnr", required_argument
, NULL
, ARG_SET_LLMNR
},
2449 { "set-mdns", required_argument
, NULL
, ARG_SET_MDNS
},
2450 { "set-dnsovertls", required_argument
, NULL
, ARG_SET_PRIVATE
},
2451 { "set-dnssec", required_argument
, NULL
, ARG_SET_DNSSEC
},
2452 { "set-nta", required_argument
, NULL
, ARG_SET_NTA
},
2453 { "revert", no_argument
, NULL
, ARG_REVERT_LINK
},
2462 while ((c
= getopt_long(argc
, argv
, "h46i:t:c:p:", options
, NULL
)) >= 0)
2467 return 0; /* done */;
2473 arg_family
= AF_INET
;
2477 arg_family
= AF_INET6
;
2481 arg_ifname
= mfree(arg_ifname
);
2482 r
= ifname_mangle(optarg
, true);
2488 if (streq(optarg
, "help")) {
2493 r
= dns_type_from_string(optarg
);
2495 log_error("Failed to parse RR record type %s", optarg
);
2498 arg_type
= (uint16_t) r
;
2499 assert((int) arg_type
== r
);
2501 arg_mode
= MODE_RESOLVE_RECORD
;
2505 if (streq(optarg
, "help")) {
2510 r
= dns_class_from_string(optarg
);
2512 log_error("Failed to parse RR record class %s", optarg
);
2515 arg_class
= (uint16_t) r
;
2516 assert((int) arg_class
== r
);
2521 r
= parse_boolean(optarg
);
2523 return log_error_errno(r
, "Failed to parse --legend= argument");
2529 if (streq(optarg
, "help")) {
2530 help_protocol_types();
2532 } else if (streq(optarg
, "dns"))
2533 arg_flags
|= SD_RESOLVED_DNS
;
2534 else if (streq(optarg
, "llmnr"))
2535 arg_flags
|= SD_RESOLVED_LLMNR
;
2536 else if (streq(optarg
, "llmnr-ipv4"))
2537 arg_flags
|= SD_RESOLVED_LLMNR_IPV4
;
2538 else if (streq(optarg
, "llmnr-ipv6"))
2539 arg_flags
|= SD_RESOLVED_LLMNR_IPV6
;
2540 else if (streq(optarg
, "mdns"))
2541 arg_flags
|= SD_RESOLVED_MDNS
;
2542 else if (streq(optarg
, "mdns-ipv4"))
2543 arg_flags
|= SD_RESOLVED_MDNS_IPV4
;
2544 else if (streq(optarg
, "mdns-ipv6"))
2545 arg_flags
|= SD_RESOLVED_MDNS_IPV6
;
2547 log_error("Unknown protocol specifier: %s", optarg
);
2554 arg_mode
= MODE_RESOLVE_SERVICE
;
2558 arg_mode
= MODE_RESOLVE_OPENPGP
;
2562 arg_mode
= MODE_RESOLVE_TLSA
;
2563 if (!optarg
|| service_family_is_valid(optarg
))
2564 arg_service_family
= optarg
;
2566 log_error("Unknown service family \"%s\".", optarg
);
2573 log_error("Refusing to write binary data to tty.");
2577 if (optarg
== NULL
|| streq(optarg
, "payload"))
2578 arg_raw
= RAW_PAYLOAD
;
2579 else if (streq(optarg
, "packet"))
2580 arg_raw
= RAW_PACKET
;
2582 log_error("Unknown --raw specifier \"%s\".", optarg
);
2590 r
= parse_boolean(optarg
);
2592 return log_error_errno(r
, "Failed to parse --cname= argument.");
2593 SET_FLAG(arg_flags
, SD_RESOLVED_NO_CNAME
, r
== 0);
2596 case ARG_SERVICE_ADDRESS
:
2597 r
= parse_boolean(optarg
);
2599 return log_error_errno(r
, "Failed to parse --service-address= argument.");
2600 SET_FLAG(arg_flags
, SD_RESOLVED_NO_ADDRESS
, r
== 0);
2603 case ARG_SERVICE_TXT
:
2604 r
= parse_boolean(optarg
);
2606 return log_error_errno(r
, "Failed to parse --service-txt= argument.");
2607 SET_FLAG(arg_flags
, SD_RESOLVED_NO_TXT
, r
== 0);
2611 r
= parse_boolean(optarg
);
2613 return log_error_errno(r
, "Failed to parse --search argument.");
2614 SET_FLAG(arg_flags
, SD_RESOLVED_NO_SEARCH
, r
== 0);
2617 case ARG_STATISTICS
:
2618 arg_mode
= MODE_STATISTICS
;
2621 case ARG_RESET_STATISTICS
:
2622 arg_mode
= MODE_RESET_STATISTICS
;
2625 case ARG_FLUSH_CACHES
:
2626 arg_mode
= MODE_FLUSH_CACHES
;
2629 case ARG_RESET_SERVER_FEATURES
:
2630 arg_mode
= MODE_RESET_SERVER_FEATURES
;
2634 arg_mode
= MODE_STATUS
;
2638 arg_no_pager
= true;
2642 r
= strv_extend(&arg_set_dns
, optarg
);
2646 arg_mode
= MODE_SET_LINK
;
2649 case ARG_SET_DOMAIN
:
2650 r
= strv_extend(&arg_set_domain
, optarg
);
2654 arg_mode
= MODE_SET_LINK
;
2658 arg_set_llmnr
= optarg
;
2659 arg_mode
= MODE_SET_LINK
;
2663 arg_set_mdns
= optarg
;
2664 arg_mode
= MODE_SET_LINK
;
2667 case ARG_SET_PRIVATE
:
2668 arg_set_dns_over_tls
= optarg
;
2669 arg_mode
= MODE_SET_LINK
;
2672 case ARG_SET_DNSSEC
:
2673 arg_set_dnssec
= optarg
;
2674 arg_mode
= MODE_SET_LINK
;
2678 r
= strv_extend(&arg_set_nta
, optarg
);
2682 arg_mode
= MODE_SET_LINK
;
2685 case ARG_REVERT_LINK
:
2686 arg_mode
= MODE_REVERT_LINK
;
2693 assert_not_reached("Unhandled option");
2696 if (arg_type
== 0 && arg_class
!= 0) {
2697 log_error("--class= may only be used in conjunction with --type=.");
2701 if (arg_type
!= 0 && arg_mode
== MODE_RESOLVE_SERVICE
) {
2702 log_error("--service and --type= may not be combined.");
2706 if (arg_type
!= 0 && arg_class
== 0)
2707 arg_class
= DNS_CLASS_IN
;
2709 if (arg_class
!= 0 && arg_type
== 0)
2710 arg_type
= DNS_TYPE_A
;
2712 if (IN_SET(arg_mode
, MODE_SET_LINK
, MODE_REVERT_LINK
)) {
2714 if (arg_ifindex
<= 0) {
2715 log_error("--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
2719 if (arg_ifindex
== LOOPBACK_IFINDEX
) {
2720 log_error("Interface can't be the loopback interface (lo). Sorry.");
2725 return 1 /* work to do */;
2728 static int native_parse_argv(int argc
, char *argv
[]) {
2730 ARG_VERSION
= 0x100,
2733 ARG_SERVICE_ADDRESS
,
2740 static const struct option options
[] = {
2741 { "help", no_argument
, NULL
, 'h' },
2742 { "version", no_argument
, NULL
, ARG_VERSION
},
2743 { "type", required_argument
, NULL
, 't' },
2744 { "class", required_argument
, NULL
, 'c' },
2745 { "legend", required_argument
, NULL
, ARG_LEGEND
},
2746 { "interface", required_argument
, NULL
, 'i' },
2747 { "protocol", required_argument
, NULL
, 'p' },
2748 { "cname", required_argument
, NULL
, ARG_CNAME
},
2749 { "service-address", required_argument
, NULL
, ARG_SERVICE_ADDRESS
},
2750 { "service-txt", required_argument
, NULL
, ARG_SERVICE_TXT
},
2751 { "raw", optional_argument
, NULL
, ARG_RAW
},
2752 { "search", required_argument
, NULL
, ARG_SEARCH
},
2753 { "no-pager", no_argument
, NULL
, ARG_NO_PAGER
},
2762 while ((c
= getopt_long(argc
, argv
, "h46i:t:c:p:", options
, NULL
)) >= 0)
2767 return 0; /* done */;
2773 arg_family
= AF_INET
;
2777 arg_family
= AF_INET6
;
2781 arg_ifname
= mfree(arg_ifname
);
2782 r
= ifname_mangle(optarg
, true);
2788 if (streq(optarg
, "help")) {
2793 r
= dns_type_from_string(optarg
);
2795 log_error("Failed to parse RR record type %s", optarg
);
2798 arg_type
= (uint16_t) r
;
2799 assert((int) arg_type
== r
);
2804 if (streq(optarg
, "help")) {
2809 r
= dns_class_from_string(optarg
);
2811 log_error("Failed to parse RR record class %s", optarg
);
2814 arg_class
= (uint16_t) r
;
2815 assert((int) arg_class
== r
);
2820 r
= parse_boolean(optarg
);
2822 return log_error_errno(r
, "Failed to parse --legend= argument");
2828 if (streq(optarg
, "help")) {
2829 help_protocol_types();
2831 } else if (streq(optarg
, "dns"))
2832 arg_flags
|= SD_RESOLVED_DNS
;
2833 else if (streq(optarg
, "llmnr"))
2834 arg_flags
|= SD_RESOLVED_LLMNR
;
2835 else if (streq(optarg
, "llmnr-ipv4"))
2836 arg_flags
|= SD_RESOLVED_LLMNR_IPV4
;
2837 else if (streq(optarg
, "llmnr-ipv6"))
2838 arg_flags
|= SD_RESOLVED_LLMNR_IPV6
;
2839 else if (streq(optarg
, "mdns"))
2840 arg_flags
|= SD_RESOLVED_MDNS
;
2841 else if (streq(optarg
, "mdns-ipv4"))
2842 arg_flags
|= SD_RESOLVED_MDNS_IPV4
;
2843 else if (streq(optarg
, "mdns-ipv6"))
2844 arg_flags
|= SD_RESOLVED_MDNS_IPV6
;
2846 log_error("Unknown protocol specifier: %s", optarg
);
2854 log_error("Refusing to write binary data to tty.");
2858 if (optarg
== NULL
|| streq(optarg
, "payload"))
2859 arg_raw
= RAW_PAYLOAD
;
2860 else if (streq(optarg
, "packet"))
2861 arg_raw
= RAW_PACKET
;
2863 log_error("Unknown --raw specifier \"%s\".", optarg
);
2871 r
= parse_boolean(optarg
);
2873 return log_error_errno(r
, "Failed to parse --cname= argument.");
2874 SET_FLAG(arg_flags
, SD_RESOLVED_NO_CNAME
, r
== 0);
2877 case ARG_SERVICE_ADDRESS
:
2878 r
= parse_boolean(optarg
);
2880 return log_error_errno(r
, "Failed to parse --service-address= argument.");
2881 SET_FLAG(arg_flags
, SD_RESOLVED_NO_ADDRESS
, r
== 0);
2884 case ARG_SERVICE_TXT
:
2885 r
= parse_boolean(optarg
);
2887 return log_error_errno(r
, "Failed to parse --service-txt= argument.");
2888 SET_FLAG(arg_flags
, SD_RESOLVED_NO_TXT
, r
== 0);
2892 r
= parse_boolean(optarg
);
2894 return log_error_errno(r
, "Failed to parse --search argument.");
2895 SET_FLAG(arg_flags
, SD_RESOLVED_NO_SEARCH
, r
== 0);
2899 arg_no_pager
= true;
2906 assert_not_reached("Unhandled option");
2909 if (arg_type
== 0 && arg_class
!= 0) {
2910 log_error("--class= may only be used in conjunction with --type=.");
2914 if (arg_type
!= 0 && arg_class
== 0)
2915 arg_class
= DNS_CLASS_IN
;
2917 if (arg_class
!= 0 && arg_type
== 0)
2918 arg_type
= DNS_TYPE_A
;
2920 return 1 /* work to do */;
2923 static int native_main(int argc
, char *argv
[], sd_bus
*bus
) {
2925 static const Verb verbs
[] = {
2926 { "help", VERB_ANY
, VERB_ANY
, 0, verb_help
},
2927 { "status", VERB_ANY
, VERB_ANY
, VERB_DEFAULT
, verb_status
},
2928 { "query", 2, VERB_ANY
, 0, verb_query
},
2929 { "service", 2, 4, 0, verb_service
},
2930 { "openpgp", 2, VERB_ANY
, 0, verb_openpgp
},
2931 { "tlsa", 2, VERB_ANY
, 0, verb_tlsa
},
2932 { "statistics", VERB_ANY
, 1, 0, show_statistics
},
2933 { "reset-statistics", VERB_ANY
, 1, 0, reset_statistics
},
2934 { "flush-caches", VERB_ANY
, 1, 0, flush_caches
},
2935 { "reset-server-features", VERB_ANY
, 1, 0, reset_server_features
},
2936 { "dns", VERB_ANY
, VERB_ANY
, 0, verb_dns
},
2937 { "domain", VERB_ANY
, VERB_ANY
, 0, verb_domain
},
2938 { "llmnr", VERB_ANY
, 3, 0, verb_llmnr
},
2939 { "mdns", VERB_ANY
, 3, 0, verb_mdns
},
2940 { "dnsovertls", VERB_ANY
, 3, 0, verb_dns_over_tls
},
2941 { "dnssec", VERB_ANY
, 3, 0, verb_dnssec
},
2942 { "nta", VERB_ANY
, VERB_ANY
, 0, verb_nta
},
2943 { "revert", 2, 2, 0, verb_revert_link
},
2947 return dispatch_verb(argc
, argv
, verbs
, bus
);
2950 static int translate(const char *verb
, const char *single_arg
, size_t num_args
, char **args
, sd_bus
*bus
) {
2955 assert(num_args
== 0 || args
);
2957 num
= !!single_arg
+ num_args
+ 1;
2959 p
= fake
= newa0(char *, num
+ 1);
2960 *p
++ = (char *) verb
;
2962 *p
++ = (char *) single_arg
;
2963 for (i
= 0; i
< num_args
; i
++)
2967 return native_main((int) num
, fake
, bus
);
2970 static int compat_main(int argc
, char *argv
[], sd_bus
*bus
) {
2974 case MODE_RESOLVE_HOST
:
2975 case MODE_RESOLVE_RECORD
:
2976 return translate("query", NULL
, argc
- optind
, argv
+ optind
, bus
);
2978 case MODE_RESOLVE_SERVICE
:
2979 return translate("service", NULL
, argc
- optind
, argv
+ optind
, bus
);
2981 case MODE_RESOLVE_OPENPGP
:
2982 return translate("openpgp", NULL
, argc
- optind
, argv
+ optind
, bus
);
2984 case MODE_RESOLVE_TLSA
:
2985 return translate("tlsa", arg_service_family
, argc
- optind
, argv
+ optind
, bus
);
2987 case MODE_STATISTICS
:
2988 return translate("statistics", NULL
, 0, NULL
, bus
);
2990 case MODE_RESET_STATISTICS
:
2991 return translate("reset-statistics", NULL
, 0, NULL
, bus
);
2993 case MODE_FLUSH_CACHES
:
2994 return translate("flush-caches", NULL
, 0, NULL
, bus
);
2996 case MODE_RESET_SERVER_FEATURES
:
2997 return translate("reset-server-features", NULL
, 0, NULL
, bus
);
3000 return translate("status", NULL
, argc
- optind
, argv
+ optind
, bus
);
3006 r
= translate("dns", arg_ifname
, strv_length(arg_set_dns
), arg_set_dns
, bus
);
3011 if (arg_set_domain
) {
3012 r
= translate("domain", arg_ifname
, strv_length(arg_set_domain
), arg_set_domain
, bus
);
3018 r
= translate("nta", arg_ifname
, strv_length(arg_set_nta
), arg_set_nta
, bus
);
3023 if (arg_set_llmnr
) {
3024 r
= translate("llmnr", arg_ifname
, 1, (char **) &arg_set_llmnr
, bus
);
3030 r
= translate("mdns", arg_ifname
, 1, (char **) &arg_set_mdns
, bus
);
3035 if (arg_set_dns_over_tls
) {
3036 r
= translate("dnsovertls", arg_ifname
, 1, (char **) &arg_set_dns_over_tls
, bus
);
3041 if (arg_set_dnssec
) {
3042 r
= translate("dnssec", arg_ifname
, 1, (char **) &arg_set_dnssec
, bus
);
3049 case MODE_REVERT_LINK
:
3052 return translate("revert", arg_ifname
, 0, NULL
, bus
);
3055 assert_not_reached("invalid mode");
3061 int main(int argc
, char **argv
) {
3065 setlocale(LC_ALL
, "");
3066 log_parse_environment();
3069 if (streq(program_invocation_short_name
, "resolvconf"))
3070 r
= resolvconf_parse_argv(argc
, argv
);
3071 else if (streq(program_invocation_short_name
, "systemd-resolve"))
3072 r
= compat_parse_argv(argc
, argv
);
3074 r
= native_parse_argv(argc
, argv
);
3078 r
= sd_bus_open_system(&bus
);
3080 log_error_errno(r
, "sd_bus_open_system: %m");
3084 if (STR_IN_SET(program_invocation_short_name
, "systemd-resolve", "resolvconf"))
3085 r
= compat_main(argc
, argv
, bus
);
3087 r
= native_main(argc
, argv
, bus
);
3090 /* make sure we terminate the bus connection first, and then close the
3091 * pager, see issue #3543 for the details. */
3092 sd_bus_flush_close_unref(bus
);
3096 strv_free(arg_set_dns
);
3097 strv_free(arg_set_domain
);
3098 strv_free(arg_set_nta
);
3100 return r
< 0 ? EXIT_FAILURE
: EXIT_SUCCESS
;