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io.systemd.Unit.List fix context/runtime split (#38172)
[thirdparty/systemd.git] / src / network / networkd-manager.c
CommitLineData
db9ecf05 1/* SPDX-License-Identifier: LGPL-2.1-or-later */
f579559b 2
baa3fadf 3#include <linux/filter.h>
96f5f9ef 4#include <linux/nl80211.h>
1cf40697 5#include <sys/socket.h>
3bef724f 6
baa3fadf
DDM
7#include "sd-bus.h"
8#include "sd-event.h"
07630cea 9#include "sd-netlink.h"
baa3fadf 10#include "sd-resolve.h"
fc2f9534 11
b5efdb8a 12#include "alloc-util.h"
f63e09ef 13#include "bus-error.h"
b607fd3f 14#include "bus-locator.h"
ac9f55ed 15#include "bus-log-control-api.h"
baa3fadf 16#include "bus-object.h"
a97dcc12 17#include "bus-util.h"
6d9ef22a 18#include "capability-util.h"
6daaeafe 19#include "common-signal.h"
af7a86b8 20#include "daemon-util.h"
1fd3ac1e
YW
21#include "device-private.h"
22#include "device-util.h"
013359ac 23#include "env-util.h"
baa3fadf 24#include "errno-util.h"
3ffd4af2 25#include "fd-util.h"
761cf19d 26#include "firewall-util.h"
baa6a42d 27#include "initrd-util.h"
c0323de6 28#include "mount-util.h"
07630cea 29#include "netlink-util.h"
1cf40697 30#include "networkd-address.h"
489671d2 31#include "networkd-address-label.h"
bfbf150e 32#include "networkd-address-pool.h"
0ee78fc9 33#include "networkd-link.h"
23f53b99 34#include "networkd-manager.h"
c5c74d85
LP
35#include "networkd-manager-bus.h"
36#include "networkd-manager-varlink.h"
1939ebeb 37#include "networkd-neighbor.h"
75156ccb 38#include "networkd-nexthop.h"
19d9a5ad 39#include "networkd-queue.h"
3b6a3bde 40#include "networkd-route.h"
ca183bf8 41#include "networkd-routing-policy-rule.h"
c321d332 42#include "networkd-serialize.h"
a879e1a4 43#include "networkd-speed-meter.h"
3b5a4fc6 44#include "networkd-state-file.h"
96f5f9ef 45#include "networkd-wifi.h"
edb69db2 46#include "networkd-wiphy.h"
00616955 47#include "ordered-set.h"
828a81a9 48#include "qdisc.h"
07630cea 49#include "set.h"
baa3fadf
DDM
50#include "stat-util.h"
51#include "string-util.h"
21486d9e 52#include "strv.h"
828a81a9 53#include "tclass.h"
af7a86b8 54#include "tuntap.h"
82f52245 55#include "udev-util.h"
505f8da7 56
48d0248e
YW
57/* use 128 MB for receive socket kernel queue. */
58#define RCVBUF_SIZE (128*1024*1024)
be660c37 59
19070062 60static int match_prepare_for_sleep(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) {
99534007 61 Manager *m = ASSERT_PTR(userdata);
a39a9ac8 62 Link *link;
9c0a72f9
TG
63 int b, r;
64
19070062 65 assert(message);
9c0a72f9
TG
66
67 r = sd_bus_message_read(message, "b", &b);
68 if (r < 0) {
d67b1d18 69 bus_log_parse_error(r);
9c0a72f9
TG
70 return 0;
71 }
72
73 if (b)
74 return 0;
75
a39a9ac8 76 log_debug("Coming back from suspend, reconfiguring all connections...");
9c0a72f9 77
021d39d3 78 HASHMAP_FOREACH(link, m->links_by_index)
2b07a321 79 (void) link_reconfigure(link, LINK_RECONFIGURE_UNCONDITIONALLY);
9c0a72f9
TG
80
81 return 0;
82}
83
d7afd945 84static int on_connected(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) {
99534007 85 Manager *m = ASSERT_PTR(userdata);
9c0a72f9 86
d7afd945 87 assert(message);
9c0a72f9 88
d7afd945
LP
89 /* Did we get a timezone or transient hostname from DHCP while D-Bus wasn't up yet? */
90 if (m->dynamic_hostname)
91 (void) manager_set_hostname(m, m->dynamic_hostname);
92 if (m->dynamic_timezone)
93 (void) manager_set_timezone(m, m->dynamic_timezone);
ccffa166 94 if (m->product_uuid_requested)
4e26a5ba 95 (void) manager_request_product_uuid(m);
9c0a72f9 96
d7afd945
LP
97 return 0;
98}
9c0a72f9 99
96243149 100static int manager_connect_bus(Manager *m) {
d7afd945
LP
101 int r;
102
103 assert(m);
96243149 104 assert(!m->bus);
7d6884b6 105
621e4509 106 r = bus_open_system_watch_bind_with_description(&m->bus, "bus-api-network");
9c0a72f9 107 if (r < 0)
d7afd945 108 return log_error_errno(r, "Failed to connect to bus: %m");
9c0a72f9 109
6e194652 110 r = bus_add_implementation(m->bus, &manager_object, m);
e331e246 111 if (r < 0)
6e194652 112 return r;
e331e246 113
ac9f55ed
LP
114 r = bus_log_control_api_register(m->bus);
115 if (r < 0)
116 return r;
117
696fc836 118 r = sd_bus_request_name_async(m->bus, NULL, "org.freedesktop.network1", 0, NULL, NULL);
e331e246 119 if (r < 0)
0c0b9306 120 return log_error_errno(r, "Failed to request name: %m");
e331e246
TG
121
122 r = sd_bus_attach_event(m->bus, m->event, 0);
123 if (r < 0)
124 return log_error_errno(r, "Failed to attach bus to event loop: %m");
125
d7afd945
LP
126 r = sd_bus_match_signal_async(
127 m->bus,
cad43595 128 NULL,
d7afd945
LP
129 "org.freedesktop.DBus.Local",
130 NULL,
131 "org.freedesktop.DBus.Local",
132 "Connected",
133 on_connected, NULL, m);
134 if (r < 0)
135 return log_error_errno(r, "Failed to request match on Connected signal: %m");
136
d962e737 137 r = bus_match_signal_async(
d7afd945 138 m->bus,
cad43595 139 NULL,
d962e737 140 bus_login_mgr,
d7afd945
LP
141 "PrepareForSleep",
142 match_prepare_for_sleep, NULL, m);
143 if (r < 0)
144 log_warning_errno(r, "Failed to request match for PrepareForSleep, ignoring: %m");
7901cea1 145
9c0a72f9
TG
146 return 0;
147}
148
1fd3ac1e
YW
149static int manager_process_uevent(sd_device_monitor *monitor, sd_device *device, void *userdata) {
150 Manager *m = ASSERT_PTR(userdata);
151 sd_device_action_t action;
1fd3ac1e
YW
152 int r;
153
154 assert(device);
155
156 r = sd_device_get_action(device, &action);
157 if (r < 0)
158 return log_device_warning_errno(device, r, "Failed to get udev action, ignoring: %m");
159
ab1bd9da 160 if (device_in_subsystem(device, "net") > 0)
1fd3ac1e 161 r = manager_udev_process_link(m, device, action);
ab1bd9da 162 else if (device_in_subsystem(device, "ieee80211") > 0)
c49d5362 163 r = manager_udev_process_wiphy(m, device, action);
ab1bd9da 164 else if (device_in_subsystem(device, "rfkill") > 0)
8642e04b 165 r = manager_udev_process_rfkill(m, device, action);
1fd3ac1e
YW
166 if (r < 0)
167 log_device_warning_errno(device, r, "Failed to process \"%s\" uevent, ignoring: %m",
168 device_action_to_string(action));
169
170 return 0;
171}
172
5fae368b
TG
173static int manager_connect_udev(Manager *m) {
174 int r;
f579559b 175
d31f33e3
YW
176 /* udev does not initialize devices inside containers, so we rely on them being already
177 * initialized before entering the container. */
82f52245 178 if (!udev_available())
5fae368b 179 return 0;
f579559b 180
d2ebf952 181 r = sd_device_monitor_new(&m->device_monitor);
02b59d57 182 if (r < 0)
d2ebf952 183 return log_error_errno(r, "Failed to initialize device monitor: %m");
02b59d57 184
d2ebf952
YW
185 r = sd_device_monitor_filter_add_match_subsystem_devtype(m->device_monitor, "net", NULL);
186 if (r < 0)
1fd3ac1e 187 return log_error_errno(r, "Could not add device monitor filter for net subsystem: %m");
505f8da7 188
c49d5362
YW
189 r = sd_device_monitor_filter_add_match_subsystem_devtype(m->device_monitor, "ieee80211", NULL);
190 if (r < 0)
191 return log_error_errno(r, "Could not add device monitor filter for ieee80211 subsystem: %m");
192
8642e04b
YW
193 r = sd_device_monitor_filter_add_match_subsystem_devtype(m->device_monitor, "rfkill", NULL);
194 if (r < 0)
195 return log_error_errno(r, "Could not add device monitor filter for rfkill subsystem: %m");
196
deb2b734 197 r = sd_device_monitor_attach_event(m->device_monitor, m->event);
5fae368b 198 if (r < 0)
d2ebf952 199 return log_error_errno(r, "Failed to attach event to device monitor: %m");
505f8da7 200
1fd3ac1e 201 r = sd_device_monitor_start(m->device_monitor, manager_process_uevent, m);
505f8da7 202 if (r < 0)
d2ebf952 203 return log_error_errno(r, "Failed to start device monitor: %m");
11a7f229 204
505f8da7
TG
205 return 0;
206}
f579559b 207
b0ea79c5 208static int manager_listen_fds(Manager *m, int *ret_rtnl_fd, int *ret_varlink_fd) {
af7a86b8 209 _cleanup_strv_free_ char **names = NULL;
b0ea79c5 210 int n, rtnl_fd = -EBADF, varlink_fd = -EBADF;
5fae368b 211
af7a86b8
YW
212 assert(m);
213 assert(ret_rtnl_fd);
b0ea79c5 214 assert(ret_varlink_fd);
af7a86b8
YW
215
216 n = sd_listen_fds_with_names(/* unset_environment = */ true, &names);
217 if (n < 0)
218 return n;
219
af7a86b8
YW
220 for (int i = 0; i < n; i++) {
221 int fd = i + SD_LISTEN_FDS_START;
222
5fae368b 223 if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1) > 0) {
af7a86b8 224 if (rtnl_fd >= 0) {
b0ea79c5 225 log_debug("Received multiple netlink sockets, ignoring.");
ae659748 226 goto unused;
af7a86b8 227 }
5fae368b
TG
228
229 rtnl_fd = fd;
af7a86b8 230 continue;
5fae368b 231 }
5fae368b 232
b0ea79c5
DDM
233 if (streq(names[i], "varlink")) {
234 varlink_fd = fd;
235 continue;
236 }
237
c321d332
YW
238 if (manager_set_serialization_fd(m, fd, names[i]) >= 0)
239 continue;
240
af7a86b8
YW
241 if (manager_add_tuntap_fd(m, fd, names[i]) >= 0)
242 continue;
243
ae659748 244 unused:
af7a86b8
YW
245 if (m->test_mode)
246 safe_close(fd);
247 else
248 close_and_notify_warn(fd, names[i]);
249 }
250
251 *ret_rtnl_fd = rtnl_fd;
b0ea79c5
DDM
252 *ret_varlink_fd = varlink_fd;
253
af7a86b8 254 return 0;
5fae368b
TG
255}
256
05d0c2e3
JT
257static int manager_connect_genl(Manager *m) {
258 int r;
259
260 assert(m);
261
262 r = sd_genl_socket_open(&m->genl);
263 if (r < 0)
264 return r;
265
78cca583 266 r = sd_netlink_increase_rxbuf(m->genl, RCVBUF_SIZE);
05d0c2e3 267 if (r < 0)
8c63924c 268 log_warning_errno(r, "Failed to increase receive buffer size for general netlink socket, ignoring: %m");
05d0c2e3
JT
269
270 r = sd_netlink_attach_event(m->genl, m->event, 0);
271 if (r < 0)
272 return r;
273
4bfbf0fc 274 /* If the kernel is built without CONFIG_WIRELESS, the below will fail with -EOPNOTSUPP. */
96f5f9ef
YW
275 r = genl_add_match(m->genl, NULL, NL80211_GENL_NAME, NL80211_MULTICAST_GROUP_CONFIG, 0,
276 &manager_genl_process_nl80211_config, NULL, m, "network-genl_process_nl80211_config");
277 if (r < 0 && r != -EOPNOTSUPP)
278 return r;
279
280 r = genl_add_match(m->genl, NULL, NL80211_GENL_NAME, NL80211_MULTICAST_GROUP_MLME, 0,
281 &manager_genl_process_nl80211_mlme, NULL, m, "network-genl_process_nl80211_mlme");
282 if (r < 0 && r != -EOPNOTSUPP)
283 return r;
284
05d0c2e3
JT
285 return 0;
286}
287
26a8be48
YW
288static int manager_setup_rtnl_filter(Manager *manager) {
289 struct sock_filter filter[] = {
290 /* Check the packet length. */
291 BPF_STMT(BPF_LD + BPF_W + BPF_LEN, 0), /* A <- packet length */
292 BPF_JUMP(BPF_JMP + BPF_JGE + BPF_K, sizeof(struct nlmsghdr), 1, 0), /* A (packet length) >= sizeof(struct nlmsghdr) ? */
293 BPF_STMT(BPF_RET + BPF_K, 0), /* reject */
294 /* Always accept multipart message. */
295 BPF_STMT(BPF_LD + BPF_H + BPF_ABS, offsetof(struct nlmsghdr, nlmsg_flags)), /* A <- message flags */
296 BPF_JUMP(BPF_JMP + BPF_JSET + BPF_K, htobe16(NLM_F_MULTI), 0, 1), /* message flags has NLM_F_MULTI ? */
297 BPF_STMT(BPF_RET + BPF_K, UINT32_MAX), /* accept */
298 /* Accept all message types except for RTM_NEWNEIGH or RTM_DELNEIGH. */
299 BPF_STMT(BPF_LD + BPF_H + BPF_ABS, offsetof(struct nlmsghdr, nlmsg_type)), /* A <- message type */
300 BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, htobe16(RTM_NEWNEIGH), 2, 0), /* message type == RTM_NEWNEIGH ? */
301 BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, htobe16(RTM_DELNEIGH), 1, 0), /* message type == RTM_DELNEIGH ? */
302 BPF_STMT(BPF_RET + BPF_K, UINT32_MAX), /* accept */
303 /* Check the packet length. */
304 BPF_STMT(BPF_LD + BPF_W + BPF_LEN, 0), /* A <- packet length */
305 BPF_JUMP(BPF_JMP + BPF_JGE + BPF_K, sizeof(struct nlmsghdr) + sizeof(struct ndmsg), 1, 0),
306 /* packet length >= sizeof(struct nlmsghdr) + sizeof(struct ndmsg) ? */
307 BPF_STMT(BPF_RET + BPF_K, 0), /* reject */
308 /* Reject the message when the neighbor state does not have NUD_PERMANENT flag. */
309 BPF_STMT(BPF_LD + BPF_H + BPF_ABS, sizeof(struct nlmsghdr) + offsetof(struct ndmsg, ndm_state)),
310 /* A <- neighbor state */
311 BPF_JUMP(BPF_JMP + BPF_JSET + BPF_K, htobe16(NUD_PERMANENT), 1, 0), /* neighbor state has NUD_PERMANENT ? */
312 BPF_STMT(BPF_RET + BPF_K, 0), /* reject */
313 BPF_STMT(BPF_RET + BPF_K, UINT32_MAX), /* accept */
314 };
315
316 assert(manager);
317 assert(manager->rtnl);
318
319 return sd_netlink_attach_filter(manager->rtnl, ELEMENTSOF(filter), filter);
320}
321
af7a86b8
YW
322static int manager_connect_rtnl(Manager *m, int fd) {
323 _unused_ _cleanup_close_ int fd_close = fd;
324 int r;
505f8da7
TG
325
326 assert(m);
505f8da7 327
af7a86b8
YW
328 /* This takes input fd. */
329
5fae368b 330 if (fd < 0)
1c4baffc 331 r = sd_netlink_open(&m->rtnl);
5fae368b 332 else
1c4baffc 333 r = sd_netlink_open_fd(&m->rtnl, fd);
505f8da7
TG
334 if (r < 0)
335 return r;
af7a86b8 336 TAKE_FD(fd_close);
505f8da7 337
e13af7bd
YW
338 /* Bump receiver buffer, but only if we are not called via socket activation, as in that
339 * case systemd sets the receive buffer size for us, and the value in the .socket unit
340 * should take full effect. */
341 if (fd < 0) {
78cca583 342 r = sd_netlink_increase_rxbuf(m->rtnl, RCVBUF_SIZE);
e13af7bd
YW
343 if (r < 0)
344 log_warning_errno(r, "Failed to increase receive buffer size for rtnl socket, ignoring: %m");
345 }
f579559b 346
1c4baffc 347 r = sd_netlink_attach_event(m->rtnl, m->event, 0);
505f8da7
TG
348 if (r < 0)
349 return r;
f579559b 350
8dfed23d 351 r = netlink_add_match(m->rtnl, NULL, RTM_NEWLINK, &manager_rtnl_process_link, NULL, m, "network-rtnl_process_link");
5fae368b
TG
352 if (r < 0)
353 return r;
505f8da7 354
8dfed23d 355 r = netlink_add_match(m->rtnl, NULL, RTM_DELLINK, &manager_rtnl_process_link, NULL, m, "network-rtnl_process_link");
5fae368b
TG
356 if (r < 0)
357 return r;
45af44d4 358
828a81a9
YW
359 r = netlink_add_match(m->rtnl, NULL, RTM_NEWQDISC, &manager_rtnl_process_qdisc, NULL, m, "network-rtnl_process_qdisc");
360 if (r < 0)
361 return r;
362
363 r = netlink_add_match(m->rtnl, NULL, RTM_DELQDISC, &manager_rtnl_process_qdisc, NULL, m, "network-rtnl_process_qdisc");
364 if (r < 0)
365 return r;
366
367 r = netlink_add_match(m->rtnl, NULL, RTM_NEWTCLASS, &manager_rtnl_process_tclass, NULL, m, "network-rtnl_process_tclass");
368 if (r < 0)
369 return r;
370
371 r = netlink_add_match(m->rtnl, NULL, RTM_DELTCLASS, &manager_rtnl_process_tclass, NULL, m, "network-rtnl_process_tclass");
372 if (r < 0)
373 return r;
374
8dfed23d 375 r = netlink_add_match(m->rtnl, NULL, RTM_NEWADDR, &manager_rtnl_process_address, NULL, m, "network-rtnl_process_address");
5fae368b
TG
376 if (r < 0)
377 return r;
378
8dfed23d 379 r = netlink_add_match(m->rtnl, NULL, RTM_DELADDR, &manager_rtnl_process_address, NULL, m, "network-rtnl_process_address");
5fae368b
TG
380 if (r < 0)
381 return r;
382
8dfed23d 383 r = netlink_add_match(m->rtnl, NULL, RTM_NEWNEIGH, &manager_rtnl_process_neighbor, NULL, m, "network-rtnl_process_neighbor");
d1bdafd2
WKI
384 if (r < 0)
385 return r;
386
8dfed23d 387 r = netlink_add_match(m->rtnl, NULL, RTM_DELNEIGH, &manager_rtnl_process_neighbor, NULL, m, "network-rtnl_process_neighbor");
d1bdafd2
WKI
388 if (r < 0)
389 return r;
390
8dfed23d 391 r = netlink_add_match(m->rtnl, NULL, RTM_NEWROUTE, &manager_rtnl_process_route, NULL, m, "network-rtnl_process_route");
1c8e710c
TG
392 if (r < 0)
393 return r;
394
8dfed23d 395 r = netlink_add_match(m->rtnl, NULL, RTM_DELROUTE, &manager_rtnl_process_route, NULL, m, "network-rtnl_process_route");
1c8e710c
TG
396 if (r < 0)
397 return r;
398
8dfed23d 399 r = netlink_add_match(m->rtnl, NULL, RTM_NEWRULE, &manager_rtnl_process_rule, NULL, m, "network-rtnl_process_rule");
bce67bbe
SS
400 if (r < 0)
401 return r;
402
8dfed23d 403 r = netlink_add_match(m->rtnl, NULL, RTM_DELRULE, &manager_rtnl_process_rule, NULL, m, "network-rtnl_process_rule");
bce67bbe
SS
404 if (r < 0)
405 return r;
406
8dfed23d 407 r = netlink_add_match(m->rtnl, NULL, RTM_NEWNEXTHOP, &manager_rtnl_process_nexthop, NULL, m, "network-rtnl_process_nexthop");
c16c7808
SS
408 if (r < 0)
409 return r;
410
8dfed23d 411 r = netlink_add_match(m->rtnl, NULL, RTM_DELNEXTHOP, &manager_rtnl_process_nexthop, NULL, m, "network-rtnl_process_nexthop");
c16c7808
SS
412 if (r < 0)
413 return r;
414
26a8be48 415 return manager_setup_rtnl_filter(m);
45af44d4 416}
505f8da7 417
2e1113b7
YW
418static int manager_post_handler(sd_event_source *s, void *userdata) {
419 Manager *manager = ASSERT_PTR(userdata);
84de38c5 420
db68e990
YW
421 /* To release dynamic leases, we need to process queued remove requests before stopping networkd.
422 * This is especially important when KeepConfiguration=no. See issue #34837. */
85a6f300 423 (void) manager_process_remove_requests(manager);
db68e990
YW
424
425 switch (manager->state) {
426 case MANAGER_RUNNING:
427 (void) manager_process_requests(manager);
428 (void) manager_clean_all(manager);
429 return 0;
430
431 case MANAGER_TERMINATING:
432 case MANAGER_RESTARTING:
433 if (!ordered_set_isempty(manager->remove_request_queue))
434 return 0; /* There are some unissued remove requests. */
435
436 if (netlink_get_reply_callback_count(manager->rtnl) > 0 ||
437 netlink_get_reply_callback_count(manager->genl) > 0 ||
438 fw_ctx_get_reply_callback_count(manager->fw_ctx) > 0)
439 return 0; /* There are some message calls waiting for their replies. */
440
c321d332 441 (void) manager_serialize(manager);
db68e990
YW
442 manager->state = MANAGER_STOPPED;
443 return sd_event_exit(sd_event_source_get_event(s), 0);
444
445 default:
446 assert_not_reached();
447 }
448
2e1113b7 449 return 0;
84de38c5
TG
450}
451
db68e990
YW
452static int manager_stop(Manager *manager, ManagerState state) {
453 assert(manager);
454 assert(IN_SET(state, MANAGER_TERMINATING, MANAGER_RESTARTING));
ab76be55 455
db68e990
YW
456 if (manager->state != MANAGER_RUNNING) {
457 log_debug("Already terminating or restarting systemd-networkd, refusing further operation request.");
458 return 0;
459 }
ab76be55 460
db68e990
YW
461 switch (state) {
462 case MANAGER_TERMINATING:
463 log_debug("Terminate operation initiated.");
464 break;
465 case MANAGER_RESTARTING:
466 log_debug("Restart operation initiated.");
467 break;
468 default:
469 assert_not_reached();
470 }
ab76be55 471
db68e990 472 manager->state = state;
ab76be55 473
db68e990 474 Link *link;
49e50134 475 HASHMAP_FOREACH(link, manager->links_by_index)
80a89d1a 476 (void) link_stop_engines(link, /* may_keep_dynamic = */ true);
ab76be55 477
db68e990
YW
478 return 0;
479}
ab76be55 480
db68e990
YW
481static int signal_terminate_callback(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
482 return manager_stop(userdata, MANAGER_TERMINATING);
483}
ab76be55 484
db68e990
YW
485static int signal_restart_callback(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
486 return manager_stop(userdata, MANAGER_RESTARTING);
ab76be55
ZJS
487}
488
0e07cdb0
LP
489static int signal_reload_callback(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
490 Manager *m = ASSERT_PTR(userdata);
491
1e869a5d 492 (void) manager_reload(m, /* message = */ NULL);
0e07cdb0
LP
493
494 return 0;
495}
496
ea853de5
YW
497static int manager_set_keep_configuration(Manager *m) {
498 int r;
499
500 assert(m);
501
502 if (in_initrd()) {
80a89d1a
YW
503 log_debug("Running in initrd, keep dynamically assigned configurations on stopping networkd by default.");
504 m->keep_configuration = KEEP_CONFIGURATION_DYNAMIC_ON_STOP;
ea853de5
YW
505 return 0;
506 }
507
c0323de6
YW
508 r = path_is_network_fs_harder("/");
509 if (r < 0) {
510 log_warning_errno(r, "Failed to detect if root is network filesystem, assuming not: %m");
511 return 0;
512 }
ea853de5
YW
513 if (r == 0) {
514 m->keep_configuration = _KEEP_CONFIGURATION_INVALID;
515 return 0;
516 }
517
518 log_debug("Running on network filesystem, enabling KeepConfiguration= by default.");
519 m->keep_configuration = KEEP_CONFIGURATION_YES;
520 return 0;
521}
522
4c78dc17 523int manager_setup(Manager *m) {
b0ea79c5 524 _cleanup_close_ int rtnl_fd = -EBADF, varlink_fd = -EBADF;
45af44d4 525 int r;
f579559b 526
96243149 527 assert(m);
5fae368b 528
3534a043
YW
529 r = sd_event_default(&m->event);
530 if (r < 0)
531 return r;
532
05e21627 533 (void) sd_event_set_watchdog(m->event, true);
0e07cdb0
LP
534 (void) sd_event_add_signal(m->event, NULL, SIGTERM | SD_EVENT_SIGNAL_PROCMASK, signal_terminate_callback, m);
535 (void) sd_event_add_signal(m->event, NULL, SIGINT | SD_EVENT_SIGNAL_PROCMASK, signal_terminate_callback, m);
536 (void) sd_event_add_signal(m->event, NULL, SIGUSR2 | SD_EVENT_SIGNAL_PROCMASK, signal_restart_callback, m);
537 (void) sd_event_add_signal(m->event, NULL, SIGHUP | SD_EVENT_SIGNAL_PROCMASK, signal_reload_callback, m);
6daaeafe
LP
538 (void) sd_event_add_signal(m->event, NULL, (SIGRTMIN+18) | SD_EVENT_SIGNAL_PROCMASK, sigrtmin18_handler, NULL);
539
540 r = sd_event_add_memory_pressure(m->event, NULL, NULL, NULL);
541 if (r < 0)
542 log_debug_errno(r, "Failed allocate memory pressure event source, ignoring: %m");
5fae368b 543
2e1113b7 544 r = sd_event_add_post(m->event, NULL, manager_post_handler, m);
84de38c5
TG
545 if (r < 0)
546 return r;
547
b0ea79c5 548 r = manager_listen_fds(m, &rtnl_fd, &varlink_fd);
af7a86b8
YW
549 if (r < 0)
550 return r;
551
552 r = manager_connect_rtnl(m, TAKE_FD(rtnl_fd));
45af44d4
TG
553 if (r < 0)
554 return r;
555
05d0c2e3
JT
556 r = manager_connect_genl(m);
557 if (r < 0)
558 return r;
559
4c78dc17 560 if (m->test_mode)
96243149
YW
561 return 0;
562
b0ea79c5 563 r = manager_connect_varlink(m, TAKE_FD(varlink_fd));
c5c74d85
LP
564 if (r < 0)
565 return r;
566
96243149
YW
567 r = manager_connect_bus(m);
568 if (r < 0)
569 return r;
570
5fae368b
TG
571 r = manager_connect_udev(m);
572 if (r < 0)
573 return r;
45af44d4 574
05d0c2e3
JT
575 r = sd_resolve_default(&m->resolve);
576 if (r < 0)
577 return r;
578
579 r = sd_resolve_attach_event(m->resolve, m->event, 0);
580 if (r < 0)
581 return r;
582
ed76f585 583 r = address_pool_setup_default(m);
5fae368b
TG
584 if (r < 0)
585 return r;
f579559b 586
ea853de5
YW
587 r = manager_set_keep_configuration(m);
588 if (r < 0)
589 return r;
590
96243149
YW
591 m->state_file = strdup("/run/systemd/netif/state");
592 if (!m->state_file)
593 return -ENOMEM;
594
595 return 0;
596}
597
013359ac
YW
598static int persistent_storage_open(void) {
599 _cleanup_close_ int fd = -EBADF;
f90eb086
YW
600 int r;
601
013359ac
YW
602 r = getenv_bool("SYSTEMD_NETWORK_PERSISTENT_STORAGE_READY");
603 if (r < 0 && r != -ENXIO)
604 return log_debug_errno(r, "Failed to parse $SYSTEMD_NETWORK_PERSISTENT_STORAGE_READY environment variable, ignoring: %m");
605 if (r <= 0)
606 return -EBADF;
f90eb086 607
fb6f98ae 608 fd = open("/var/lib/systemd/network/", O_CLOEXEC | O_DIRECTORY);
013359ac 609 if (fd < 0)
42ba9974 610 return log_debug_errno(errno, "Failed to open %s, ignoring: %m", "/var/lib/systemd/network/");
f90eb086 611
013359ac
YW
612 r = fd_is_read_only_fs(fd);
613 if (r < 0)
614 return log_debug_errno(r, "Failed to check if /var/lib/systemd/network/ is writable: %m");
615 if (r > 0)
616 return log_debug_errno(SYNTHETIC_ERRNO(EROFS), "The directory /var/lib/systemd/network/ is on read-only filesystem.");
f90eb086 617
013359ac 618 return TAKE_FD(fd);
f90eb086
YW
619}
620
4c78dc17 621int manager_new(Manager **ret, bool test_mode) {
96243149 622 _cleanup_(manager_freep) Manager *m = NULL;
f579559b 623
96243149
YW
624 m = new(Manager, 1);
625 if (!m)
626 return -ENOMEM;
627
628 *m = (Manager) {
ea853de5 629 .keep_configuration = _KEEP_CONFIGURATION_INVALID,
932ef6ec 630 .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO,
4c78dc17 631 .test_mode = test_mode,
96243149
YW
632 .speed_meter_interval_usec = SPEED_METER_DEFAULT_TIME_INTERVAL,
633 .online_state = _LINK_ONLINE_STATE_INVALID,
634 .manage_foreign_routes = true,
635 .manage_foreign_rules = true,
bbc05bec 636 .manage_foreign_nexthops = true,
254d1313 637 .ethtool_fd = -EBADF,
013359ac 638 .persistent_storage_fd = persistent_storage_open(),
7a169cb4
YW
639 .dhcp_use_domains = _USE_DOMAINS_INVALID,
640 .dhcp6_use_domains = _USE_DOMAINS_INVALID,
418f2dc7 641 .ndisc_use_domains = _USE_DOMAINS_INVALID,
7bbe9ad7 642 .dhcp_client_identifier = DHCP_CLIENT_ID_DUID,
96243149
YW
643 .dhcp_duid.type = DUID_TYPE_EN,
644 .dhcp6_duid.type = DUID_TYPE_EN,
645 .duid_product_uuid.type = DUID_TYPE_UUID,
a145343b 646 .dhcp_server_persist_leases = DHCP_SERVER_PERSIST_LEASES_YES,
c321d332 647 .serialization_fd = -EBADF,
3976c430 648 .ip_forwarding = { -1, -1, },
4d6ad22f 649#if HAVE_VMLINUX_H
6d9ef22a 650 .cgroup_fd = -EBADF,
4d6ad22f 651#endif
96243149
YW
652 };
653
654 *ret = TAKE_PTR(m);
f579559b
TG
655 return 0;
656}
657
75db809a 658Manager* manager_free(Manager *m) {
5fae368b 659 if (!m)
75db809a 660 return NULL;
505f8da7 661
22583a00 662 manager_remove_sysctl_monitor(m);
6d9ef22a 663
5fae368b 664 free(m->state_file);
505f8da7 665
40b12fa2 666 m->request_queue = ordered_set_free(m->request_queue);
85a6f300 667 m->remove_request_queue = ordered_set_free(m->remove_request_queue);
19d9a5ad 668
9c5b8d46 669 m->new_wlan_ifindices = set_free(m->new_wlan_ifindices);
4cf443e6
YW
670
671 m->dirty_links = set_free(m->dirty_links);
0b54c870 672 m->links_by_name = hashmap_free(m->links_by_name);
fe321d45 673 m->links_by_hw_addr = hashmap_free(m->links_by_hw_addr);
a27588d4 674 m->links_by_dhcp_pd_subnet_prefix = hashmap_free(m->links_by_dhcp_pd_subnet_prefix);
4cf443e6 675 m->links_by_index = hashmap_free(m->links_by_index);
27dfc982 676
a27588d4 677 m->dhcp_pd_subnet_ids = set_free(m->dhcp_pd_subnet_ids);
a85f73fa 678 m->networks = ordered_hashmap_free(m->networks);
dbffab87 679
bdf4f200 680 /* The same object may be registered with multiple names, and netdev_detach() may drop multiple entries. */
36ca0164
YW
681 for (NetDev *n; (n = hashmap_first(m->netdevs)); )
682 netdev_detach(n);
683 m->netdevs = hashmap_free(m->netdevs);
5fae368b 684
af7a86b8
YW
685 m->tuntap_fds_by_name = hashmap_free(m->tuntap_fds_by_name);
686
edb69db2 687 m->wiphy_by_name = hashmap_free(m->wiphy_by_name);
52278e06 688 m->wiphy_by_index = hashmap_free(m->wiphy_by_index);
edb69db2 689
04b7949e 690 ordered_set_free(m->address_pools);
5fae368b 691
552b90a2
YW
692 hashmap_free(m->route_table_names_by_number);
693 hashmap_free(m->route_table_numbers_by_name);
c038ce46 694
eb72fa3a 695 set_free(m->rules);
bce67bbe 696
d4df6326
SS
697 sd_netlink_unref(m->rtnl);
698 sd_netlink_unref(m->genl);
699 sd_resolve_unref(m->resolve);
700
450fa34b 701 m->routes = set_free(m->routes);
450fa34b 702
69e244e3 703 m->nexthops_by_id = hashmap_free(m->nexthops_by_id);
fb126bb1 704 m->nexthop_ids = set_free(m->nexthop_ids);
69e244e3 705
489671d2
YW
706 m->address_labels_by_section = hashmap_free(m->address_labels_by_section);
707
a879e1a4 708 sd_event_source_unref(m->speed_meter_event_source);
2f5b4a77 709 sd_event_unref(m->event);
5fae368b 710
d2ebf952 711 sd_device_monitor_unref(m->device_monitor);
7d20d375 712
c5c74d85 713 manager_varlink_done(m);
2a1ffd3e 714 hashmap_free(m->polkit_registry);
92e31da1 715 sd_bus_flush_close_unref(m->bus);
7d20d375 716
7901cea1
MP
717 free(m->dynamic_timezone);
718 free(m->dynamic_hostname);
719
c643bda5 720 safe_close(m->ethtool_fd);
013359ac 721 safe_close(m->persistent_storage_fd);
c643bda5 722
761cf19d
FW
723 m->fw_ctx = fw_ctx_free(m->fw_ctx);
724
c321d332
YW
725 m->serialization_fd = safe_close(m->serialization_fd);
726
75db809a 727 return mfree(m);
5fae368b
TG
728}
729
b76d99d9 730int manager_start(Manager *m) {
84de38c5 731 Link *link;
a879e1a4 732 int r;
84de38c5 733
a97dcc12
TG
734 assert(m);
735
6119221a
YW
736 log_debug("Starting...");
737
22583a00 738 (void) manager_install_sysctl_monitor(m);
6d9ef22a
MC
739
740 /* Loading BPF programs requires CAP_SYS_ADMIN and CAP_BPF.
741 * Drop the capabilities here, regardless if the load succeeds or not. */
742 r = drop_capability(CAP_SYS_ADMIN);
743 if (r < 0)
64e03ca8 744 log_warning_errno(r, "Failed to drop CAP_SYS_ADMIN, ignoring: %m.");
6d9ef22a
MC
745
746 r = drop_capability(CAP_BPF);
747 if (r < 0)
64e03ca8 748 log_warning_errno(r, "Failed to drop CAP_BPF, ignoring: %m.");
6d9ef22a 749
3976c430
YW
750 manager_set_sysctl(m);
751
489671d2
YW
752 r = manager_request_static_address_labels(m);
753 if (r < 0)
754 return r;
755
a879e1a4
YW
756 r = manager_start_speed_meter(m);
757 if (r < 0)
758 return log_error_errno(r, "Failed to initialize speed meter: %m");
759
9c402e3a
YW
760 HASHMAP_FOREACH(link, m->links_by_index) {
761 if (link->state != LINK_STATE_PENDING)
762 continue;
763
764 r = link_check_initialized(link);
765 if (r < 0) {
766 log_link_warning_errno(link, r, "Failed to check if link is initialized: %m");
767 link_enter_failed(link);
768 }
769 }
770
84de38c5
TG
771 /* The dirty handler will deal with future serialization, but the first one
772 must be done explicitly. */
773
d23a66f2
YW
774 r = manager_save(m);
775 if (r < 0)
776 log_warning_errno(r, "Failed to update state file %s, ignoring: %m", m->state_file);
84de38c5 777
6eab614d 778 HASHMAP_FOREACH(link, m->links_by_index) {
ac4a6950 779 r = link_save_and_clean(link);
d23a66f2
YW
780 if (r < 0)
781 log_link_warning_errno(link, r, "Failed to update link state file %s, ignoring: %m", link->state_file);
782 }
84de38c5 783
6119221a 784 log_debug("Started.");
b76d99d9 785 return 0;
a97dcc12
TG
786}
787
5fae368b
TG
788int manager_load_config(Manager *m) {
789 int r;
790
6119221a
YW
791 log_debug("Loading...");
792
173c9f63 793 r = netdev_load(m);
f579559b 794 if (r < 0)
6119221a 795 return log_debug_errno(r, "Failed to load .netdev files: %m");
f579559b 796
af7a86b8
YW
797 manager_clear_unmanaged_tuntap_fds(m);
798
7f06b3e1 799 r = network_load(m, &m->networks);
9021bb9f 800 if (r < 0)
6119221a 801 return log_debug_errno(r, "Failed to load .network files: %m");
9021bb9f 802
fb126bb1
YW
803 r = manager_build_dhcp_pd_subnet_ids(m);
804 if (r < 0)
6119221a 805 return log_debug_errno(r, "Failed to build DHCP-PD subnet ID map: %m");
fb126bb1
YW
806
807 r = manager_build_nexthop_ids(m);
808 if (r < 0)
6119221a 809 return log_debug_errno(r, "Failed to build nexthop ID map: %m");
fb126bb1 810
6119221a 811 log_debug("Loaded.");
fb126bb1 812 return 0;
f579559b 813}
f882c247 814
41476186 815int manager_enumerate_internal(
446aaaf3 816 Manager *m,
bdcd4ab2 817 sd_netlink *nl,
446aaaf3 818 sd_netlink_message *req,
f12629ae 819 int (*process)(sd_netlink *, sd_netlink_message *, Manager *)) {
446aaaf3
YW
820
821 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *reply = NULL;
1339b950 822 int r;
f882c247 823
5da8149f 824 assert(m);
bdcd4ab2 825 assert(nl);
446aaaf3
YW
826 assert(req);
827 assert(process);
f882c247 828
24c0f385 829 r = sd_netlink_message_set_request_dump(req, true);
dd3efc09
TG
830 if (r < 0)
831 return r;
832
bdcd4ab2 833 r = sd_netlink_call(nl, req, 0, &reply);
f12629ae 834 if (r < 0)
f2236469
TG
835 return r;
836
a6b08423 837 m->enumerating = true;
1339b950
ZJS
838 for (sd_netlink_message *reply_one = reply; reply_one; reply_one = sd_netlink_message_next(reply_one))
839 RET_GATHER(r, process(nl, reply_one, m));
a6b08423 840 m->enumerating = false;
2e9f08ea 841
5fae368b 842 return r;
f882c247 843}
3bef724f 844
446aaaf3
YW
845static int manager_enumerate_links(Manager *m) {
846 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
1346b1f0
TG
847 int r;
848
5fae368b
TG
849 assert(m);
850 assert(m->rtnl);
bcbca829 851
446aaaf3 852 r = sd_rtnl_message_new_link(m->rtnl, &req, RTM_GETLINK, 0);
5fae368b
TG
853 if (r < 0)
854 return r;
855
11cee6ef
YW
856 r = manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_link);
857 if (r < 0)
858 return r;
859
860 req = sd_netlink_message_unref(req);
861
862 r = sd_rtnl_message_new_link(m->rtnl, &req, RTM_GETLINK, 0);
863 if (r < 0)
864 return r;
865
866 r = sd_rtnl_message_link_set_family(req, AF_BRIDGE);
867 if (r < 0)
868 return r;
869
f12629ae 870 return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_link);
446aaaf3 871}
5fae368b 872
828a81a9
YW
873static int manager_enumerate_qdisc(Manager *m) {
874 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
875 int r;
876
877 assert(m);
878 assert(m->rtnl);
879
880 r = sd_rtnl_message_new_traffic_control(m->rtnl, &req, RTM_GETQDISC, 0, 0, 0);
881 if (r < 0)
882 return r;
883
884 return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_qdisc);
885}
886
887static int manager_enumerate_tclass(Manager *m) {
41476186
YW
888 Link *link;
889 int r = 0;
828a81a9
YW
890
891 assert(m);
892 assert(m->rtnl);
893
41476186
YW
894 /* TC class can be enumerated only per link. See tc_dump_tclass() in net/sched/sched_api.c. */
895
896 HASHMAP_FOREACH(link, m->links_by_index)
897 RET_GATHER(r, link_enumerate_tclass(link, 0));
828a81a9 898
41476186 899 return r;
828a81a9
YW
900}
901
446aaaf3
YW
902static int manager_enumerate_addresses(Manager *m) {
903 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
904 int r;
6a24f148 905
446aaaf3
YW
906 assert(m);
907 assert(m->rtnl);
6a24f148 908
446aaaf3
YW
909 r = sd_rtnl_message_new_addr(m->rtnl, &req, RTM_GETADDR, 0, 0);
910 if (r < 0)
911 return r;
5fae368b 912
f12629ae 913 return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_address);
1346b1f0 914}
d1bdafd2 915
446aaaf3
YW
916static int manager_enumerate_neighbors(Manager *m) {
917 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
d1bdafd2
WKI
918 int r;
919
920 assert(m);
921 assert(m->rtnl);
922
923 r = sd_rtnl_message_new_neigh(m->rtnl, &req, RTM_GETNEIGH, 0, AF_UNSPEC);
924 if (r < 0)
925 return r;
926
f12629ae 927 return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_neighbor);
d1bdafd2 928}
1346b1f0 929
446aaaf3
YW
930static int manager_enumerate_routes(Manager *m) {
931 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
1c8e710c
TG
932 int r;
933
934 assert(m);
935 assert(m->rtnl);
936
5ff1ef31
YW
937 if (!m->manage_foreign_routes)
938 return 0;
939
1c8e710c
TG
940 r = sd_rtnl_message_new_route(m->rtnl, &req, RTM_GETROUTE, 0, 0);
941 if (r < 0)
942 return r;
943
f12629ae 944 return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_route);
1c8e710c
TG
945}
946
446aaaf3
YW
947static int manager_enumerate_rules(Manager *m) {
948 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
bce67bbe
SS
949 int r;
950
951 assert(m);
952 assert(m->rtnl);
953
d94dfe70
YW
954 if (!m->manage_foreign_rules)
955 return 0;
956
bce67bbe
SS
957 r = sd_rtnl_message_new_routing_policy_rule(m->rtnl, &req, RTM_GETRULE, 0);
958 if (r < 0)
959 return r;
960
f12629ae 961 return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_rule);
bce67bbe
SS
962}
963
446aaaf3
YW
964static int manager_enumerate_nexthop(Manager *m) {
965 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
c16c7808
SS
966 int r;
967
968 assert(m);
969 assert(m->rtnl);
970
bbc05bec
YW
971 if (!m->manage_foreign_nexthops)
972 return 0;
973
c16c7808
SS
974 r = sd_rtnl_message_new_nexthop(m->rtnl, &req, RTM_GETNEXTHOP, 0, 0);
975 if (r < 0)
976 return r;
977
f12629ae 978 return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_nexthop);
446aaaf3 979}
c16c7808 980
edb69db2
YW
981static int manager_enumerate_nl80211_wiphy(Manager *m) {
982 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
983 int r;
984
985 assert(m);
986 assert(m->genl);
987
988 r = sd_genl_message_new(m->genl, NL80211_GENL_NAME, NL80211_CMD_GET_WIPHY, &req);
989 if (r < 0)
990 return r;
991
992 return manager_enumerate_internal(m, m->genl, req, manager_genl_process_nl80211_wiphy);
993}
994
96f5f9ef
YW
995static int manager_enumerate_nl80211_config(Manager *m) {
996 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
997 int r;
998
999 assert(m);
1000 assert(m->genl);
1001
1002 r = sd_genl_message_new(m->genl, NL80211_GENL_NAME, NL80211_CMD_GET_INTERFACE, &req);
1003 if (r < 0)
1004 return r;
1005
1006 return manager_enumerate_internal(m, m->genl, req, manager_genl_process_nl80211_config);
1007}
1008
1009static int manager_enumerate_nl80211_mlme(Manager *m) {
1010 Link *link;
1011 int r;
1012
1013 assert(m);
1014 assert(m->genl);
1015
1016 HASHMAP_FOREACH(link, m->links_by_index) {
1017 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
1018
1019 if (link->wlan_iftype != NL80211_IFTYPE_STATION)
1020 continue;
1021
1022 r = sd_genl_message_new(m->genl, NL80211_GENL_NAME, NL80211_CMD_GET_STATION, &req);
1023 if (r < 0)
1024 return r;
1025
1026 r = sd_netlink_message_append_u32(req, NL80211_ATTR_IFINDEX, link->ifindex);
1027 if (r < 0)
1028 return r;
1029
1030 r = manager_enumerate_internal(m, m->genl, req, manager_genl_process_nl80211_mlme);
1031 if (r < 0)
1032 return r;
1033 }
1034
1035 return 0;
1036}
1037
446aaaf3
YW
1038int manager_enumerate(Manager *m) {
1039 int r;
c16c7808 1040
6119221a
YW
1041 log_debug("Enumerating...");
1042
446aaaf3
YW
1043 r = manager_enumerate_links(m);
1044 if (r < 0)
1045 return log_error_errno(r, "Could not enumerate links: %m");
c16c7808 1046
6698795e 1047 /* If the kernel is built without CONFIG_NET_SCHED, the below will fail with -EOPNOTSUPP. */
828a81a9 1048 r = manager_enumerate_qdisc(m);
15ac2a62
YW
1049 if (r == -EOPNOTSUPP)
1050 log_debug_errno(r, "Could not enumerate QDiscs, ignoring: %m");
1051 else if (r < 0)
828a81a9
YW
1052 return log_error_errno(r, "Could not enumerate QDisc: %m");
1053
6698795e 1054 /* If the kernel is built without CONFIG_NET_CLS, the below will fail with -EOPNOTSUPP. */
828a81a9 1055 r = manager_enumerate_tclass(m);
15ac2a62
YW
1056 if (r == -EOPNOTSUPP)
1057 log_debug_errno(r, "Could not enumerate TClasses, ignoring: %m");
1058 else if (r < 0)
828a81a9
YW
1059 return log_error_errno(r, "Could not enumerate TClass: %m");
1060
446aaaf3
YW
1061 r = manager_enumerate_addresses(m);
1062 if (r < 0)
1063 return log_error_errno(r, "Could not enumerate addresses: %m");
c16c7808 1064
446aaaf3
YW
1065 r = manager_enumerate_neighbors(m);
1066 if (r < 0)
1067 return log_error_errno(r, "Could not enumerate neighbors: %m");
c16c7808 1068
0c0585ca 1069 r = manager_enumerate_nexthop(m);
034b69d8 1070 if (r < 0)
f12629ae 1071 return log_error_errno(r, "Could not enumerate nexthops: %m");
0c0585ca 1072
446aaaf3
YW
1073 r = manager_enumerate_routes(m);
1074 if (r < 0)
1075 return log_error_errno(r, "Could not enumerate routes: %m");
c16c7808 1076
6698795e 1077 /* If the kernel is built without CONFIG_FIB_RULES, the below will fail with -EOPNOTSUPP. */
446aaaf3 1078 r = manager_enumerate_rules(m);
f12629ae
YW
1079 if (r == -EOPNOTSUPP)
1080 log_debug_errno(r, "Could not enumerate routing policy rules, ignoring: %m");
1081 else if (r < 0)
446aaaf3 1082 return log_error_errno(r, "Could not enumerate routing policy rules: %m");
c16c7808 1083
4bfbf0fc 1084 /* If the kernel is built without CONFIG_WIRELESS, the below will fail with -EOPNOTSUPP. */
edb69db2
YW
1085 r = manager_enumerate_nl80211_wiphy(m);
1086 if (r == -EOPNOTSUPP)
1087 log_debug_errno(r, "Could not enumerate wireless LAN phy, ignoring: %m");
1088 else if (r < 0)
1089 return log_error_errno(r, "Could not enumerate wireless LAN phy: %m");
1090
96f5f9ef
YW
1091 r = manager_enumerate_nl80211_config(m);
1092 if (r == -EOPNOTSUPP)
1093 log_debug_errno(r, "Could not enumerate wireless LAN interfaces, ignoring: %m");
1094 else if (r < 0)
1095 return log_error_errno(r, "Could not enumerate wireless LAN interfaces: %m");
1096
1097 r = manager_enumerate_nl80211_mlme(m);
1098 if (r == -EOPNOTSUPP)
1099 log_debug_errno(r, "Could not enumerate wireless LAN stations, ignoring: %m");
1100 else if (r < 0)
1101 return log_error_errno(r, "Could not enumerate wireless LAN stations: %m");
1102
6119221a 1103 log_debug("Enumeration completed.");
446aaaf3 1104 return 0;
c16c7808
SS
1105}
1106
59eb33e0 1107static int set_hostname_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
59eb33e0 1108 const sd_bus_error *e;
f63e09ef 1109 int r;
59eb33e0
MP
1110
1111 assert(m);
59eb33e0
MP
1112
1113 e = sd_bus_message_get_error(m);
f63e09ef
YW
1114 if (e) {
1115 r = sd_bus_error_get_errno(e);
1116 log_warning_errno(r, "Could not set hostname: %s", bus_error_message(e, r));
1117 }
59eb33e0
MP
1118
1119 return 1;
1120}
1121
1122int manager_set_hostname(Manager *m, const char *hostname) {
1123 int r;
1124
1125 log_debug("Setting transient hostname: '%s'", strna(hostname));
d7afd945 1126
b3f9c17a
YW
1127 r = free_and_strdup_warn(&m->dynamic_hostname, hostname);
1128 if (r < 0)
1129 return r;
59eb33e0 1130
5dbec9bd
ZJS
1131 if (sd_bus_is_ready(m->bus) <= 0) {
1132 log_debug("Not connected to system bus, setting system hostname later.");
59eb33e0
MP
1133 return 0;
1134 }
1135
d2775306 1136 r = bus_call_method_async(
59eb33e0
MP
1137 m->bus,
1138 NULL,
d2775306 1139 bus_hostname,
59eb33e0
MP
1140 "SetHostname",
1141 set_hostname_handler,
1142 m,
1143 "sb",
1144 hostname,
1145 false);
59eb33e0
MP
1146 if (r < 0)
1147 return log_error_errno(r, "Could not set transient hostname: %m");
1148
1149 return 0;
1150}
1151
1152static int set_timezone_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
59eb33e0 1153 const sd_bus_error *e;
f63e09ef 1154 int r;
59eb33e0
MP
1155
1156 assert(m);
59eb33e0
MP
1157
1158 e = sd_bus_message_get_error(m);
f63e09ef
YW
1159 if (e) {
1160 r = sd_bus_error_get_errno(e);
1161 log_warning_errno(r, "Could not set timezone: %s", bus_error_message(e, r));
1162 }
59eb33e0
MP
1163
1164 return 1;
1165}
1166
1167int manager_set_timezone(Manager *m, const char *tz) {
1168 int r;
1169
1170 assert(m);
1171 assert(tz);
1172
1173 log_debug("Setting system timezone: '%s'", tz);
b3f9c17a
YW
1174 r = free_and_strdup_warn(&m->dynamic_timezone, tz);
1175 if (r < 0)
1176 return r;
59eb33e0 1177
5dbec9bd
ZJS
1178 if (sd_bus_is_ready(m->bus) <= 0) {
1179 log_debug("Not connected to system bus, setting system timezone later.");
59eb33e0
MP
1180 return 0;
1181 }
1182
b607fd3f 1183 r = bus_call_method_async(
59eb33e0
MP
1184 m->bus,
1185 NULL,
b607fd3f 1186 bus_timedate,
59eb33e0
MP
1187 "SetTimezone",
1188 set_timezone_handler,
1189 m,
1190 "sb",
1191 tz,
1192 false);
1193 if (r < 0)
1194 return log_error_errno(r, "Could not set timezone: %m");
1195
1196 return 0;
1197}
0e07cdb0 1198
1e869a5d 1199int manager_reload(Manager *m, sd_bus_message *message) {
0e07cdb0
LP
1200 Link *link;
1201 int r;
1202
1203 assert(m);
1204
6119221a 1205 log_debug("Reloading...");
b377a7cc 1206 (void) notify_reloading();
0e07cdb0 1207
b3ae4e86 1208 r = netdev_reload(m);
6119221a
YW
1209 if (r < 0) {
1210 log_debug_errno(r, "Failed to reload .netdev files: %m");
0e07cdb0 1211 goto finish;
6119221a 1212 }
0e07cdb0
LP
1213
1214 r = network_reload(m);
6119221a
YW
1215 if (r < 0) {
1216 log_debug_errno(r, "Failed to reload .network files: %m");
0e07cdb0 1217 goto finish;
6119221a 1218 }
0e07cdb0 1219
2b07a321
YW
1220 HASHMAP_FOREACH(link, m->links_by_index)
1221 (void) link_reconfigure_full(link, /* flags = */ 0, message,
1222 /* counter = */ message ? &m->reloading : NULL);
0e07cdb0 1223
6119221a 1224 log_debug("Reloaded.");
0e07cdb0
LP
1225 r = 0;
1226finish:
792a8bfb 1227 (void) sd_notify(/* unset_environment= */ false, NOTIFY_READY_MESSAGE);
0e07cdb0
LP
1228 return r;
1229}