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[thirdparty/systemd.git] / src / network / networkd-manager-bus.c
CommitLineData
db9ecf05 1/* SPDX-License-Identifier: LGPL-2.1-or-later */
e331e246 2
071712b2 3#include <net/if.h>
f39dbf28 4#include <netinet/in.h>
7f06b3e1 5#include <sys/capability.h>
071712b2 6
b5efdb8a 7#include "alloc-util.h"
071712b2 8#include "bus-common-errors.h"
7695e2cb 9#include "bus-message-util.h"
269e4d2d 10#include "bus-polkit.h"
7f3c07ad 11#include "networkd-link-bus.h"
37d577c8 12#include "networkd-link.h"
79a59fa5 13#include "networkd-manager-bus.h"
23f53b99 14#include "networkd-manager.h"
37d577c8 15#include "path-util.h"
fc2ea97a 16#include "socket-netlink.h"
51517f9e 17#include "strv.h"
7f06b3e1 18#include "user-util.h"
e331e246 19
37d577c8
YW
20static int method_list_links(sd_bus_message *message, void *userdata, sd_bus_error *error) {
21 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
22 Manager *manager = userdata;
37d577c8
YW
23 Link *link;
24 int r;
25
26 r = sd_bus_message_new_method_return(message, &reply);
27 if (r < 0)
28 return r;
29
30 r = sd_bus_message_open_container(reply, 'a', "(iso)");
31 if (r < 0)
32 return r;
33
90e74a66 34 HASHMAP_FOREACH(link, manager->links) {
37d577c8
YW
35 _cleanup_free_ char *path = NULL;
36
37 path = link_bus_path(link);
38 if (!path)
39 return -ENOMEM;
40
41 r = sd_bus_message_append(
42 reply, "(iso)",
43 link->ifindex,
44 link->ifname,
45 empty_to_root(path));
46 if (r < 0)
47 return r;
48 }
49
50 r = sd_bus_message_close_container(reply);
51 if (r < 0)
52 return r;
53
54 return sd_bus_send(NULL, reply, NULL);
55}
56
071712b2
YW
57static int method_get_link_by_name(sd_bus_message *message, void *userdata, sd_bus_error *error) {
58 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
59 _cleanup_free_ char *path = NULL;
60 Manager *manager = userdata;
61 const char *name;
62 int index, r;
63 Link *link;
64
65 r = sd_bus_message_read(message, "s", &name);
66 if (r < 0)
67 return r;
68
fc2ea97a
ZJS
69 index = resolve_ifname(&manager->rtnl, name);
70 if (index < 0)
71 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %s cannot be resolved", name);
071712b2
YW
72
73 link = hashmap_get(manager->links, INT_TO_PTR(index));
74 if (!link)
75 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %s not known", name);
76
77 r = sd_bus_message_new_method_return(message, &reply);
78 if (r < 0)
79 return r;
80
81 path = link_bus_path(link);
82 if (!path)
83 return -ENOMEM;
84
85 r = sd_bus_message_append(reply, "io", link->ifindex, empty_to_root(path));
86 if (r < 0)
87 return r;
88
89 return sd_bus_send(NULL, reply, NULL);
90}
91
92static int method_get_link_by_index(sd_bus_message *message, void *userdata, sd_bus_error *error) {
93 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
94 _cleanup_free_ char *path = NULL;
95 Manager *manager = userdata;
7695e2cb 96 int ifindex, r;
071712b2 97 Link *link;
071712b2 98
7695e2cb 99 r = bus_message_read_ifindex(message, error, &ifindex);
071712b2
YW
100 if (r < 0)
101 return r;
102
7695e2cb 103 link = hashmap_get(manager->links, INT_TO_PTR(ifindex));
071712b2 104 if (!link)
7695e2cb 105 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %i not known", ifindex);
071712b2
YW
106
107 r = sd_bus_message_new_method_return(message, &reply);
108 if (r < 0)
109 return r;
110
111 path = link_bus_path(link);
112 if (!path)
113 return -ENOMEM;
114
115 r = sd_bus_message_append(reply, "so", link->ifname, empty_to_root(path));
116 if (r < 0)
117 return r;
118
119 return sd_bus_send(NULL, reply, NULL);
120}
121
15761549
YW
122static int call_link_method(Manager *m, sd_bus_message *message, sd_bus_message_handler_t handler, sd_bus_error *error) {
123 int ifindex, r;
124 Link *l;
125
126 assert(m);
127 assert(message);
128 assert(handler);
129
7695e2cb 130 r = bus_message_read_ifindex(message, error, &ifindex);
15761549
YW
131 if (r < 0)
132 return r;
133
15761549
YW
134 l = hashmap_get(m->links, INT_TO_PTR(ifindex));
135 if (!l)
136 return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %i not known", ifindex);
137
138 return handler(message, l, error);
139}
140
141static int bus_method_set_link_ntp_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) {
142 return call_link_method(userdata, message, bus_link_method_set_ntp_servers, error);
143}
144
145static int bus_method_set_link_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) {
146 return call_link_method(userdata, message, bus_link_method_set_dns_servers, error);
147}
148
4e11ddfd
YW
149static int bus_method_set_link_dns_servers_ex(sd_bus_message *message, void *userdata, sd_bus_error *error) {
150 return call_link_method(userdata, message, bus_link_method_set_dns_servers_ex, error);
151}
152
15761549
YW
153static int bus_method_set_link_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) {
154 return call_link_method(userdata, message, bus_link_method_set_domains, error);
155}
156
157static int bus_method_set_link_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) {
158 return call_link_method(userdata, message, bus_link_method_set_default_route, error);
159}
160
161static int bus_method_set_link_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) {
162 return call_link_method(userdata, message, bus_link_method_set_llmnr, error);
163}
164
165static int bus_method_set_link_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
166 return call_link_method(userdata, message, bus_link_method_set_mdns, error);
167}
168
169static int bus_method_set_link_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) {
170 return call_link_method(userdata, message, bus_link_method_set_dns_over_tls, error);
171}
172
173static int bus_method_set_link_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) {
174 return call_link_method(userdata, message, bus_link_method_set_dnssec, error);
175}
176
177static int bus_method_set_link_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
178 return call_link_method(userdata, message, bus_link_method_set_dnssec_negative_trust_anchors, error);
179}
180
181static int bus_method_revert_link_ntp(sd_bus_message *message, void *userdata, sd_bus_error *error) {
182 return call_link_method(userdata, message, bus_link_method_revert_ntp, error);
183}
184
185static int bus_method_revert_link_dns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
186 return call_link_method(userdata, message, bus_link_method_revert_dns, error);
187}
188
ae65d7db
YW
189static int bus_method_renew_link(sd_bus_message *message, void *userdata, sd_bus_error *error) {
190 return call_link_method(userdata, message, bus_link_method_renew, error);
191}
192
90867f6a
SS
193static int bus_method_force_renew_link(sd_bus_message *message, void *userdata, sd_bus_error *error) {
194 return call_link_method(userdata, message, bus_link_method_force_renew, error);
195}
196
99b8517c
YW
197static int bus_method_reconfigure_link(sd_bus_message *message, void *userdata, sd_bus_error *error) {
198 return call_link_method(userdata, message, bus_link_method_reconfigure, error);
199}
200
7f06b3e1
YW
201static int bus_method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) {
202 Manager *manager = userdata;
7f06b3e1
YW
203 Link *link;
204 int r;
205
206 r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
207 "org.freedesktop.network1.reload",
208 NULL, true, UID_INVALID,
209 &manager->polkit_registry, error);
210 if (r < 0)
211 return r;
212 if (r == 0)
213 return 1; /* Polkit will call us back */
214
e272b621
YW
215 r = netdev_load(manager, true);
216 if (r < 0)
217 return r;
218
7f06b3e1
YW
219 r = network_reload(manager);
220 if (r < 0)
221 return r;
222
90e74a66 223 HASHMAP_FOREACH(link, manager->links) {
99b8517c 224 r = link_reconfigure(link, false);
7f06b3e1
YW
225 if (r < 0)
226 return r;
227 }
228
229 return sd_bus_reply_method_return(message, NULL);
230}
231
e331e246
TG
232const sd_bus_vtable manager_vtable[] = {
233 SD_BUS_VTABLE_START(0),
234
235 SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Manager, operational_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
7f3c07ad
YW
236 SD_BUS_PROPERTY("CarrierState", "s", property_get_carrier_state, offsetof(Manager, carrier_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
237 SD_BUS_PROPERTY("AddressState", "s", property_get_address_state, offsetof(Manager, address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
8430841b
L
238 SD_BUS_PROPERTY("IPv4AddressState", "s", property_get_address_state, offsetof(Manager, ipv4_address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
239 SD_BUS_PROPERTY("IPv6AddressState", "s", property_get_address_state, offsetof(Manager, ipv6_address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
e331e246 240
23c32ff8
YW
241 SD_BUS_METHOD_WITH_ARGS("ListLinks",
242 SD_BUS_NO_ARGS,
243 SD_BUS_RESULT("a(iso)", links),
244 method_list_links,
245 SD_BUS_VTABLE_UNPRIVILEGED),
246 SD_BUS_METHOD_WITH_ARGS("GetLinkByName",
247 SD_BUS_ARGS("s", name),
248 SD_BUS_RESULT("i", ifindex, "o", path),
249 method_get_link_by_name,
250 SD_BUS_VTABLE_UNPRIVILEGED),
251 SD_BUS_METHOD_WITH_ARGS("GetLinkByIndex",
252 SD_BUS_ARGS("i", ifindex),
253 SD_BUS_RESULT("s", name, "o", path),
254 method_get_link_by_index,
255 SD_BUS_VTABLE_UNPRIVILEGED),
256 SD_BUS_METHOD_WITH_ARGS("SetLinkNTP",
257 SD_BUS_ARGS("i", ifindex, "as", servers),
258 SD_BUS_NO_RESULT,
259 bus_method_set_link_ntp_servers,
260 SD_BUS_VTABLE_UNPRIVILEGED),
261 SD_BUS_METHOD_WITH_ARGS("SetLinkDNS",
262 SD_BUS_ARGS("i", ifindex, "a(iay)", addresses),
263 SD_BUS_NO_RESULT,
264 bus_method_set_link_dns_servers,
265 SD_BUS_VTABLE_UNPRIVILEGED),
266 SD_BUS_METHOD_WITH_ARGS("SetLinkDNSEx",
267 SD_BUS_ARGS("i", ifindex, "a(iayqs)", addresses),
268 SD_BUS_NO_RESULT,
269 bus_method_set_link_dns_servers_ex,
270 SD_BUS_VTABLE_UNPRIVILEGED),
271 SD_BUS_METHOD_WITH_ARGS("SetLinkDomains",
272 SD_BUS_ARGS("i", ifindex, "a(sb)", domains),
273 SD_BUS_NO_RESULT,
274 bus_method_set_link_domains,
275 SD_BUS_VTABLE_UNPRIVILEGED),
276 SD_BUS_METHOD_WITH_ARGS("SetLinkDefaultRoute",
277 SD_BUS_ARGS("i", ifindex, "b", enable),
278 SD_BUS_NO_RESULT,
279 bus_method_set_link_default_route,
280 SD_BUS_VTABLE_UNPRIVILEGED),
281 SD_BUS_METHOD_WITH_ARGS("SetLinkLLMNR",
282 SD_BUS_ARGS("i", ifindex, "s", mode),
283 SD_BUS_NO_RESULT,
284 bus_method_set_link_llmnr,
285 SD_BUS_VTABLE_UNPRIVILEGED),
286 SD_BUS_METHOD_WITH_ARGS("SetLinkMulticastDNS",
287 SD_BUS_ARGS("i", ifindex, "s", mode),
288 SD_BUS_NO_RESULT,
289 bus_method_set_link_mdns,
290 SD_BUS_VTABLE_UNPRIVILEGED),
291 SD_BUS_METHOD_WITH_ARGS("SetLinkDNSOverTLS",
292 SD_BUS_ARGS("i", ifindex, "s", mode),
293 SD_BUS_NO_RESULT,
294 bus_method_set_link_dns_over_tls,
295 SD_BUS_VTABLE_UNPRIVILEGED),
296 SD_BUS_METHOD_WITH_ARGS("SetLinkDNSSEC",
297 SD_BUS_ARGS("i", ifindex, "s", mode),
298 SD_BUS_NO_RESULT,
299 bus_method_set_link_dnssec,
300 SD_BUS_VTABLE_UNPRIVILEGED),
301 SD_BUS_METHOD_WITH_ARGS("SetLinkDNSSECNegativeTrustAnchors",
302 SD_BUS_ARGS("i", ifindex, "as", names),
303 SD_BUS_NO_RESULT,
304 bus_method_set_link_dnssec_negative_trust_anchors,
305 SD_BUS_VTABLE_UNPRIVILEGED),
306 SD_BUS_METHOD_WITH_ARGS("RevertLinkNTP",
307 SD_BUS_ARGS("i", ifindex),
308 SD_BUS_NO_RESULT,
309 bus_method_revert_link_ntp,
310 SD_BUS_VTABLE_UNPRIVILEGED),
311 SD_BUS_METHOD_WITH_ARGS("RevertLinkDNS",
312 SD_BUS_ARGS("i", ifindex),
313 SD_BUS_NO_RESULT,
314 bus_method_revert_link_dns,
315 SD_BUS_VTABLE_UNPRIVILEGED),
316 SD_BUS_METHOD_WITH_ARGS("RenewLink",
317 SD_BUS_ARGS("i", ifindex),
318 SD_BUS_NO_RESULT,
319 bus_method_renew_link,
320 SD_BUS_VTABLE_UNPRIVILEGED),
321 SD_BUS_METHOD_WITH_ARGS("ForceRenewLink",
322 SD_BUS_ARGS("i", ifindex),
323 SD_BUS_NO_RESULT,
324 bus_method_force_renew_link,
325 SD_BUS_VTABLE_UNPRIVILEGED),
326 SD_BUS_METHOD_WITH_ARGS("ReconfigureLink",
327 SD_BUS_ARGS("i", ifindex),
328 SD_BUS_NO_RESULT,
329 bus_method_reconfigure_link,
330 SD_BUS_VTABLE_UNPRIVILEGED),
331 SD_BUS_METHOD_WITH_ARGS("Reload",
332 SD_BUS_NO_ARGS,
333 SD_BUS_NO_RESULT,
334 bus_method_reload,
335 SD_BUS_VTABLE_UNPRIVILEGED),
37d577c8 336
e331e246
TG
337 SD_BUS_VTABLE_END
338};
339
46606fdd 340int manager_send_changed_strv(Manager *manager, char **properties) {
e331e246 341 assert(manager);
46606fdd 342 assert(properties);
e331e246 343
5dbec9bd 344 if (sd_bus_is_ready(manager->bus) <= 0)
46606fdd 345 return 0;
e331e246
TG
346
347 return sd_bus_emit_properties_changed_strv(
348 manager->bus,
349 "/org/freedesktop/network1",
350 "org.freedesktop.network1.Manager",
46606fdd
YW
351 properties);
352}