2 This file is part of systemd.
4 Copyright 2016 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20 #include "alloc-util.h"
22 #include "parse-util.h"
23 #include "resolve-util.h"
24 #include "resolved-bus.h"
25 #include "resolved-link-bus.h"
28 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_resolve_support
, resolve_support
, ResolveSupport
);
29 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_dnssec_mode
, dnssec_mode
, DnssecMode
);
31 static int property_get_dns(
34 const char *interface
,
36 sd_bus_message
*reply
,
38 sd_bus_error
*error
) {
47 r
= sd_bus_message_open_container(reply
, 'a', "(iay)");
51 LIST_FOREACH(servers
, s
, l
->dns_servers
) {
52 r
= bus_dns_server_append(reply
, s
, false);
57 return sd_bus_message_close_container(reply
);
60 static int property_get_domains(
63 const char *interface
,
65 sd_bus_message
*reply
,
67 sd_bus_error
*error
) {
76 r
= sd_bus_message_open_container(reply
, 'a', "(sb)");
80 LIST_FOREACH(domains
, d
, l
->search_domains
) {
81 r
= sd_bus_message_append(reply
, "(sb)", d
->name
, d
->route_only
);
86 return sd_bus_message_close_container(reply
);
89 static int property_get_scopes_mask(
92 const char *interface
,
94 sd_bus_message
*reply
,
96 sd_bus_error
*error
) {
104 mask
= (l
->unicast_scope
? SD_RESOLVED_DNS
: 0) |
105 (l
->llmnr_ipv4_scope
? SD_RESOLVED_LLMNR_IPV4
: 0) |
106 (l
->llmnr_ipv6_scope
? SD_RESOLVED_LLMNR_IPV6
: 0) |
107 (l
->mdns_ipv4_scope
? SD_RESOLVED_MDNS_IPV4
: 0) |
108 (l
->mdns_ipv6_scope
? SD_RESOLVED_MDNS_IPV6
: 0);
110 return sd_bus_message_append(reply
, "t", mask
);
113 static int property_get_ntas(
116 const char *interface
,
117 const char *property
,
118 sd_bus_message
*reply
,
120 sd_bus_error
*error
) {
130 r
= sd_bus_message_open_container(reply
, 'a', "s");
134 SET_FOREACH(name
, l
->dnssec_negative_trust_anchors
, i
) {
135 r
= sd_bus_message_append(reply
, "s", name
);
140 return sd_bus_message_close_container(reply
);
143 static int property_get_dnssec_supported(
146 const char *interface
,
147 const char *property
,
148 sd_bus_message
*reply
,
150 sd_bus_error
*error
) {
157 return sd_bus_message_append(reply
, "b", link_dnssec_supported(l
));
160 int bus_link_method_set_dns_servers(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
161 _cleanup_free_
struct in_addr_data
*dns
= NULL
;
162 size_t allocated
= 0, n
= 0;
170 r
= sd_bus_message_enter_container(message
, 'a', "(iay)");
179 assert_cc(sizeof(int) == sizeof(int32_t));
181 r
= sd_bus_message_enter_container(message
, 'r', "iay");
187 r
= sd_bus_message_read(message
, "i", &family
);
191 if (!IN_SET(family
, AF_INET
, AF_INET6
))
192 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unknown address family %i", family
);
194 r
= sd_bus_message_read_array(message
, 'y', &d
, &sz
);
197 if (sz
!= FAMILY_ADDRESS_SIZE(family
))
198 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid address size");
200 r
= sd_bus_message_exit_container(message
);
204 if (!GREEDY_REALLOC(dns
, allocated
, n
+1))
207 dns
[n
].family
= family
;
208 memcpy(&dns
[n
].address
, d
, sz
);
212 r
= sd_bus_message_exit_container(message
);
216 dns_server_mark_all(l
->dns_servers
);
218 for (i
= 0; i
< n
; i
++) {
221 s
= dns_server_find(l
->dns_servers
, dns
[i
].family
, &dns
[i
].address
);
223 dns_server_move_back_and_unmark(s
);
225 r
= dns_server_new(l
->manager
, NULL
, DNS_SERVER_LINK
, l
, dns
[i
].family
, &dns
[i
].address
);
232 dns_server_unlink_marked(l
->dns_servers
);
233 link_allocate_scopes(l
);
235 return sd_bus_reply_method_return(message
, NULL
);
238 dns_server_unlink_all(l
->dns_servers
);
242 int bus_link_method_set_domains(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
249 r
= sd_bus_message_enter_container(message
, 'a', "(sb)");
257 r
= sd_bus_message_read(message
, "(sb)", &name
, &route_only
);
263 r
= dns_name_is_valid(name
);
267 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid search domain %s", name
);
268 if (!route_only
&& dns_name_is_root(name
))
269 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Root domain is not suitable as search domain");
272 dns_search_domain_mark_all(l
->search_domains
);
274 r
= sd_bus_message_rewind(message
, false);
283 r
= sd_bus_message_read(message
, "(sb)", &name
, &route_only
);
289 r
= dns_search_domain_find(l
->search_domains
, name
, &d
);
294 dns_search_domain_move_back_and_unmark(d
);
296 r
= dns_search_domain_new(l
->manager
, &d
, DNS_SEARCH_DOMAIN_LINK
, l
, name
);
301 d
->route_only
= route_only
;
304 r
= sd_bus_message_exit_container(message
);
308 dns_search_domain_unlink_marked(l
->search_domains
);
309 return sd_bus_reply_method_return(message
, NULL
);
312 dns_search_domain_unlink_all(l
->search_domains
);
316 int bus_link_method_set_llmnr(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
325 r
= sd_bus_message_read(message
, "s", &llmnr
);
330 mode
= RESOLVE_SUPPORT_YES
;
332 mode
= resolve_support_from_string(llmnr
);
334 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid LLMNR setting: %s", llmnr
);
337 l
->llmnr_support
= mode
;
338 link_allocate_scopes(l
);
339 link_add_rrs(l
, false);
341 return sd_bus_reply_method_return(message
, NULL
);
344 int bus_link_method_set_mdns(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
353 r
= sd_bus_message_read(message
, "s", &mdns
);
358 mode
= RESOLVE_SUPPORT_NO
;
360 mode
= resolve_support_from_string(mdns
);
362 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid MulticastDNS setting: %s", mdns
);
365 l
->mdns_support
= mode
;
366 link_allocate_scopes(l
);
367 link_add_rrs(l
, false);
369 return sd_bus_reply_method_return(message
, NULL
);
372 int bus_link_method_set_dnssec(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
381 r
= sd_bus_message_read(message
, "s", &dnssec
);
386 mode
= _DNSSEC_MODE_INVALID
;
388 mode
= dnssec_mode_from_string(dnssec
);
390 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid DNSSEC setting: %s", dnssec
);
393 link_set_dnssec_mode(l
, mode
);
395 return sd_bus_reply_method_return(message
, NULL
);
398 int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
399 _cleanup_set_free_free_ Set
*ns
= NULL
;
400 _cleanup_free_
char **ntas
= NULL
;
408 r
= sd_bus_message_read_strv(message
, &ntas
);
412 STRV_FOREACH(i
, ntas
) {
413 r
= dns_name_is_valid(*i
);
417 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid negative trust anchor domain: %s", *i
);
420 ns
= set_new(&dns_name_hash_ops
);
424 STRV_FOREACH(i
, ntas
) {
425 r
= set_put_strdup(ns
, *i
);
430 set_free_free(l
->dnssec_negative_trust_anchors
);
431 l
->dnssec_negative_trust_anchors
= ns
;
434 return sd_bus_reply_method_return(message
, NULL
);
437 int bus_link_method_revert(sd_bus_message
*message
, void *userdata
, sd_bus_error
*error
) {
443 link_flush_settings(l
);
444 link_allocate_scopes(l
);
445 link_add_rrs(l
, false);
447 return sd_bus_reply_method_return(message
, NULL
);
450 const sd_bus_vtable link_vtable
[] = {
451 SD_BUS_VTABLE_START(0),
453 SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask
, 0, 0),
454 SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns
, 0, 0),
455 SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains
, 0, 0),
456 SD_BUS_PROPERTY("LLMNR", "s", property_get_resolve_support
, offsetof(Link
, llmnr_support
), 0),
457 SD_BUS_PROPERTY("MulticastDNS", "s", property_get_resolve_support
, offsetof(Link
, mdns_support
), 0),
458 SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode
, offsetof(Link
, dnssec_mode
), 0),
459 SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas
, 0, 0),
460 SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported
, 0, 0),
462 SD_BUS_METHOD("SetDNS", "a(iay)", NULL
, bus_link_method_set_dns_servers
, 0),
463 SD_BUS_METHOD("SetDomains", "a(sb)", NULL
, bus_link_method_set_domains
, 0),
464 SD_BUS_METHOD("SetLLMNR", "s", NULL
, bus_link_method_set_llmnr
, 0),
465 SD_BUS_METHOD("SetMulticastDNS", "s", NULL
, bus_link_method_set_mdns
, 0),
466 SD_BUS_METHOD("SetDNSSEC", "s", NULL
, bus_link_method_set_dnssec
, 0),
467 SD_BUS_METHOD("SetDNSSECNegativeTrustAnchors", "as", NULL
, bus_link_method_set_dnssec_negative_trust_anchors
, 0),
468 SD_BUS_METHOD("Revert", NULL
, NULL
, bus_link_method_revert
, 0),
473 int link_object_find(sd_bus
*bus
, const char *path
, const char *interface
, void *userdata
, void **found
, sd_bus_error
*error
) {
474 _cleanup_free_
char *e
= NULL
;
475 Manager
*m
= userdata
;
486 r
= sd_bus_path_decode(path
, "/org/freedesktop/resolve1/link", &e
);
490 r
= parse_ifindex(e
, &ifindex
);
494 link
= hashmap_get(m
->links
, INT_TO_PTR(ifindex
));
502 char *link_bus_path(Link
*link
) {
503 _cleanup_free_
char *ifindex
= NULL
;
509 if (asprintf(&ifindex
, "%i", link
->ifindex
) < 0)
512 r
= sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex
, &p
);
519 int link_node_enumerator(sd_bus
*bus
, const char *path
, void *userdata
, char ***nodes
, sd_bus_error
*error
) {
520 _cleanup_strv_free_
char **l
= NULL
;
521 Manager
*m
= userdata
;
531 l
= new0(char*, hashmap_size(m
->links
) + 1);
535 HASHMAP_FOREACH(link
, m
->links
, i
) {
538 p
= link_bus_path(link
);