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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
f579559b | 2 | |
9aa5d8ba | 3 | #include <netinet/in.h> |
091a364c | 4 | #include <sys/socket.h> |
9aa5d8ba | 5 | #include <unistd.h> |
bbf7c048 | 6 | #include <linux/if.h> |
bce67bbe | 7 | #include <linux/fib_rules.h> |
c16c7808 | 8 | #include <linux/nexthop.h> |
96f5f9ef | 9 | #include <linux/nl80211.h> |
3bef724f | 10 | |
fc2f9534 | 11 | #include "sd-daemon.h" |
07630cea | 12 | #include "sd-netlink.h" |
fc2f9534 | 13 | |
b5efdb8a | 14 | #include "alloc-util.h" |
f63e09ef | 15 | #include "bus-error.h" |
b607fd3f | 16 | #include "bus-locator.h" |
ac9f55ed | 17 | #include "bus-log-control-api.h" |
269e4d2d | 18 | #include "bus-polkit.h" |
a97dcc12 | 19 | #include "bus-util.h" |
07630cea | 20 | #include "conf-parser.h" |
a97dcc12 | 21 | #include "def.h" |
1fd3ac1e YW |
22 | #include "device-private.h" |
23 | #include "device-util.h" | |
482d1aeb | 24 | #include "dns-domain.h" |
3ffd4af2 | 25 | #include "fd-util.h" |
0d39fa9c | 26 | #include "fileio.h" |
761cf19d | 27 | #include "firewall-util.h" |
af664001 | 28 | #include "fs-util.h" |
4f5f911e | 29 | #include "local-addresses.h" |
07630cea | 30 | #include "netlink-util.h" |
dc0d4078 | 31 | #include "network-internal.h" |
bfbf150e | 32 | #include "networkd-address-pool.h" |
3b6a3bde | 33 | #include "networkd-address.h" |
cf72a786 | 34 | #include "networkd-dhcp-server-bus.h" |
ca5ad760 | 35 | #include "networkd-dhcp6.h" |
6a1af3d4 | 36 | #include "networkd-link-bus.h" |
79a59fa5 | 37 | #include "networkd-manager-bus.h" |
23f53b99 | 38 | #include "networkd-manager.h" |
1939ebeb | 39 | #include "networkd-neighbor.h" |
ceac2c2b | 40 | #include "networkd-network-bus.h" |
75156ccb | 41 | #include "networkd-nexthop.h" |
19d9a5ad | 42 | #include "networkd-queue.h" |
3b6a3bde | 43 | #include "networkd-route.h" |
ca183bf8 | 44 | #include "networkd-routing-policy-rule.h" |
a879e1a4 | 45 | #include "networkd-speed-meter.h" |
3b5a4fc6 | 46 | #include "networkd-state-file.h" |
96f5f9ef | 47 | #include "networkd-wifi.h" |
edb69db2 | 48 | #include "networkd-wiphy.h" |
00616955 | 49 | #include "ordered-set.h" |
b0c82192 | 50 | #include "path-lookup.h" |
07630cea | 51 | #include "path-util.h" |
828a81a9 | 52 | #include "qdisc.h" |
92b555aa | 53 | #include "selinux-util.h" |
07630cea | 54 | #include "set.h" |
ab76be55 | 55 | #include "signal-util.h" |
d31f33e3 | 56 | #include "stat-util.h" |
21486d9e | 57 | #include "strv.h" |
4b600505 | 58 | #include "sysctl-util.h" |
828a81a9 | 59 | #include "tclass.h" |
e4de7287 | 60 | #include "tmpfile-util.h" |
82f52245 | 61 | #include "udev-util.h" |
505f8da7 | 62 | |
48d0248e YW |
63 | /* use 128 MB for receive socket kernel queue. */ |
64 | #define RCVBUF_SIZE (128*1024*1024) | |
be660c37 | 65 | |
9c0a72f9 TG |
66 | static int manager_reset_all(Manager *m) { |
67 | Link *link; | |
9c0a72f9 TG |
68 | int r; |
69 | ||
70 | assert(m); | |
71 | ||
6eab614d | 72 | HASHMAP_FOREACH(link, m->links_by_index) { |
d09a179e | 73 | r = link_reconfigure_after_sleep(link); |
f0269653 | 74 | if (r < 0) { |
d09a179e | 75 | log_link_warning_errno(link, r, "Failed to reconfigure interface: %m"); |
f0269653 YW |
76 | link_enter_failed(link); |
77 | } | |
9c0a72f9 TG |
78 | } |
79 | ||
80 | return 0; | |
81 | } | |
82 | ||
19070062 | 83 | static int match_prepare_for_sleep(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) { |
9c0a72f9 TG |
84 | Manager *m = userdata; |
85 | int b, r; | |
86 | ||
19070062 | 87 | assert(message); |
d7afd945 | 88 | assert(m); |
9c0a72f9 TG |
89 | |
90 | r = sd_bus_message_read(message, "b", &b); | |
91 | if (r < 0) { | |
d67b1d18 | 92 | bus_log_parse_error(r); |
9c0a72f9 TG |
93 | return 0; |
94 | } | |
95 | ||
96 | if (b) | |
97 | return 0; | |
98 | ||
99 | log_debug("Coming back from suspend, resetting all connections..."); | |
100 | ||
e1694a75 | 101 | (void) manager_reset_all(m); |
9c0a72f9 TG |
102 | |
103 | return 0; | |
104 | } | |
105 | ||
d7afd945 LP |
106 | static int on_connected(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) { |
107 | Manager *m = userdata; | |
9c0a72f9 | 108 | |
d7afd945 | 109 | assert(message); |
9c0a72f9 TG |
110 | assert(m); |
111 | ||
d7afd945 LP |
112 | /* Did we get a timezone or transient hostname from DHCP while D-Bus wasn't up yet? */ |
113 | if (m->dynamic_hostname) | |
114 | (void) manager_set_hostname(m, m->dynamic_hostname); | |
115 | if (m->dynamic_timezone) | |
116 | (void) manager_set_timezone(m, m->dynamic_timezone); | |
ccffa166 | 117 | if (m->product_uuid_requested) |
4e26a5ba | 118 | (void) manager_request_product_uuid(m); |
9c0a72f9 | 119 | |
d7afd945 LP |
120 | return 0; |
121 | } | |
9c0a72f9 | 122 | |
96243149 | 123 | static int manager_connect_bus(Manager *m) { |
d7afd945 LP |
124 | int r; |
125 | ||
126 | assert(m); | |
96243149 | 127 | assert(!m->bus); |
7d6884b6 | 128 | |
621e4509 | 129 | r = bus_open_system_watch_bind_with_description(&m->bus, "bus-api-network"); |
9c0a72f9 | 130 | if (r < 0) |
d7afd945 | 131 | return log_error_errno(r, "Failed to connect to bus: %m"); |
9c0a72f9 | 132 | |
6e194652 | 133 | r = bus_add_implementation(m->bus, &manager_object, m); |
e331e246 | 134 | if (r < 0) |
6e194652 | 135 | return r; |
e331e246 | 136 | |
ac9f55ed LP |
137 | r = bus_log_control_api_register(m->bus); |
138 | if (r < 0) | |
139 | return r; | |
140 | ||
696fc836 | 141 | r = sd_bus_request_name_async(m->bus, NULL, "org.freedesktop.network1", 0, NULL, NULL); |
e331e246 | 142 | if (r < 0) |
0c0b9306 | 143 | return log_error_errno(r, "Failed to request name: %m"); |
e331e246 TG |
144 | |
145 | r = sd_bus_attach_event(m->bus, m->event, 0); | |
146 | if (r < 0) | |
147 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
148 | ||
d7afd945 LP |
149 | r = sd_bus_match_signal_async( |
150 | m->bus, | |
cad43595 | 151 | NULL, |
d7afd945 LP |
152 | "org.freedesktop.DBus.Local", |
153 | NULL, | |
154 | "org.freedesktop.DBus.Local", | |
155 | "Connected", | |
156 | on_connected, NULL, m); | |
157 | if (r < 0) | |
158 | return log_error_errno(r, "Failed to request match on Connected signal: %m"); | |
159 | ||
160 | r = sd_bus_match_signal_async( | |
161 | m->bus, | |
cad43595 | 162 | NULL, |
d7afd945 LP |
163 | "org.freedesktop.login1", |
164 | "/org/freedesktop/login1", | |
165 | "org.freedesktop.login1.Manager", | |
166 | "PrepareForSleep", | |
167 | match_prepare_for_sleep, NULL, m); | |
168 | if (r < 0) | |
169 | log_warning_errno(r, "Failed to request match for PrepareForSleep, ignoring: %m"); | |
7901cea1 | 170 | |
9c0a72f9 TG |
171 | return 0; |
172 | } | |
173 | ||
1fd3ac1e YW |
174 | static int manager_process_uevent(sd_device_monitor *monitor, sd_device *device, void *userdata) { |
175 | Manager *m = ASSERT_PTR(userdata); | |
176 | sd_device_action_t action; | |
177 | const char *s; | |
178 | int r; | |
179 | ||
180 | assert(device); | |
181 | ||
182 | r = sd_device_get_action(device, &action); | |
183 | if (r < 0) | |
184 | return log_device_warning_errno(device, r, "Failed to get udev action, ignoring: %m"); | |
185 | ||
186 | r = sd_device_get_subsystem(device, &s); | |
187 | if (r < 0) | |
188 | return log_device_warning_errno(device, r, "Failed to get subsystem, ignoring: %m"); | |
189 | ||
190 | if (streq(s, "net")) | |
191 | r = manager_udev_process_link(m, device, action); | |
c49d5362 YW |
192 | else if (streq(s, "ieee80211")) |
193 | r = manager_udev_process_wiphy(m, device, action); | |
8642e04b YW |
194 | else if (streq(s, "rfkill")) |
195 | r = manager_udev_process_rfkill(m, device, action); | |
1fd3ac1e YW |
196 | else { |
197 | log_device_debug(device, "Received device with unexpected subsystem \"%s\", ignoring.", s); | |
198 | return 0; | |
199 | } | |
200 | if (r < 0) | |
201 | log_device_warning_errno(device, r, "Failed to process \"%s\" uevent, ignoring: %m", | |
202 | device_action_to_string(action)); | |
203 | ||
204 | return 0; | |
205 | } | |
206 | ||
5fae368b TG |
207 | static int manager_connect_udev(Manager *m) { |
208 | int r; | |
f579559b | 209 | |
d31f33e3 YW |
210 | /* udev does not initialize devices inside containers, so we rely on them being already |
211 | * initialized before entering the container. */ | |
82f52245 | 212 | if (!udev_available()) |
5fae368b | 213 | return 0; |
f579559b | 214 | |
d2ebf952 | 215 | r = sd_device_monitor_new(&m->device_monitor); |
02b59d57 | 216 | if (r < 0) |
d2ebf952 | 217 | return log_error_errno(r, "Failed to initialize device monitor: %m"); |
02b59d57 | 218 | |
a725efb0 YW |
219 | r = sd_device_monitor_set_receive_buffer_size(m->device_monitor, RCVBUF_SIZE); |
220 | if (r < 0) | |
221 | log_warning_errno(r, "Failed to increase buffer size for device monitor, ignoring: %m"); | |
222 | ||
d2ebf952 YW |
223 | r = sd_device_monitor_filter_add_match_subsystem_devtype(m->device_monitor, "net", NULL); |
224 | if (r < 0) | |
1fd3ac1e | 225 | return log_error_errno(r, "Could not add device monitor filter for net subsystem: %m"); |
505f8da7 | 226 | |
c49d5362 YW |
227 | r = sd_device_monitor_filter_add_match_subsystem_devtype(m->device_monitor, "ieee80211", NULL); |
228 | if (r < 0) | |
229 | return log_error_errno(r, "Could not add device monitor filter for ieee80211 subsystem: %m"); | |
230 | ||
8642e04b YW |
231 | r = sd_device_monitor_filter_add_match_subsystem_devtype(m->device_monitor, "rfkill", NULL); |
232 | if (r < 0) | |
233 | return log_error_errno(r, "Could not add device monitor filter for rfkill subsystem: %m"); | |
234 | ||
deb2b734 | 235 | r = sd_device_monitor_attach_event(m->device_monitor, m->event); |
5fae368b | 236 | if (r < 0) |
d2ebf952 | 237 | return log_error_errno(r, "Failed to attach event to device monitor: %m"); |
505f8da7 | 238 | |
1fd3ac1e | 239 | r = sd_device_monitor_start(m->device_monitor, manager_process_uevent, m); |
505f8da7 | 240 | if (r < 0) |
d2ebf952 | 241 | return log_error_errno(r, "Failed to start device monitor: %m"); |
11a7f229 | 242 | |
505f8da7 TG |
243 | return 0; |
244 | } | |
f579559b | 245 | |
5fae368b TG |
246 | static int systemd_netlink_fd(void) { |
247 | int n, fd, rtnl_fd = -EINVAL; | |
248 | ||
249 | n = sd_listen_fds(true); | |
250 | if (n <= 0) | |
251 | return -EINVAL; | |
252 | ||
24e3ed84 | 253 | for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd ++) |
5fae368b TG |
254 | if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1) > 0) { |
255 | if (rtnl_fd >= 0) | |
256 | return -EINVAL; | |
257 | ||
258 | rtnl_fd = fd; | |
259 | } | |
5fae368b TG |
260 | |
261 | return rtnl_fd; | |
262 | } | |
263 | ||
05d0c2e3 JT |
264 | static int manager_connect_genl(Manager *m) { |
265 | int r; | |
266 | ||
267 | assert(m); | |
268 | ||
269 | r = sd_genl_socket_open(&m->genl); | |
270 | if (r < 0) | |
271 | return r; | |
272 | ||
78cca583 | 273 | r = sd_netlink_increase_rxbuf(m->genl, RCVBUF_SIZE); |
05d0c2e3 | 274 | if (r < 0) |
8c63924c | 275 | log_warning_errno(r, "Failed to increase receive buffer size for general netlink socket, ignoring: %m"); |
05d0c2e3 JT |
276 | |
277 | r = sd_netlink_attach_event(m->genl, m->event, 0); | |
278 | if (r < 0) | |
279 | return r; | |
280 | ||
96f5f9ef YW |
281 | r = genl_add_match(m->genl, NULL, NL80211_GENL_NAME, NL80211_MULTICAST_GROUP_CONFIG, 0, |
282 | &manager_genl_process_nl80211_config, NULL, m, "network-genl_process_nl80211_config"); | |
283 | if (r < 0 && r != -EOPNOTSUPP) | |
284 | return r; | |
285 | ||
286 | r = genl_add_match(m->genl, NULL, NL80211_GENL_NAME, NL80211_MULTICAST_GROUP_MLME, 0, | |
287 | &manager_genl_process_nl80211_mlme, NULL, m, "network-genl_process_nl80211_mlme"); | |
288 | if (r < 0 && r != -EOPNOTSUPP) | |
289 | return r; | |
290 | ||
05d0c2e3 JT |
291 | return 0; |
292 | } | |
293 | ||
26a8be48 YW |
294 | static int manager_setup_rtnl_filter(Manager *manager) { |
295 | struct sock_filter filter[] = { | |
296 | /* Check the packet length. */ | |
297 | BPF_STMT(BPF_LD + BPF_W + BPF_LEN, 0), /* A <- packet length */ | |
298 | BPF_JUMP(BPF_JMP + BPF_JGE + BPF_K, sizeof(struct nlmsghdr), 1, 0), /* A (packet length) >= sizeof(struct nlmsghdr) ? */ | |
299 | BPF_STMT(BPF_RET + BPF_K, 0), /* reject */ | |
300 | /* Always accept multipart message. */ | |
301 | BPF_STMT(BPF_LD + BPF_H + BPF_ABS, offsetof(struct nlmsghdr, nlmsg_flags)), /* A <- message flags */ | |
302 | BPF_JUMP(BPF_JMP + BPF_JSET + BPF_K, htobe16(NLM_F_MULTI), 0, 1), /* message flags has NLM_F_MULTI ? */ | |
303 | BPF_STMT(BPF_RET + BPF_K, UINT32_MAX), /* accept */ | |
304 | /* Accept all message types except for RTM_NEWNEIGH or RTM_DELNEIGH. */ | |
305 | BPF_STMT(BPF_LD + BPF_H + BPF_ABS, offsetof(struct nlmsghdr, nlmsg_type)), /* A <- message type */ | |
306 | BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, htobe16(RTM_NEWNEIGH), 2, 0), /* message type == RTM_NEWNEIGH ? */ | |
307 | BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, htobe16(RTM_DELNEIGH), 1, 0), /* message type == RTM_DELNEIGH ? */ | |
308 | BPF_STMT(BPF_RET + BPF_K, UINT32_MAX), /* accept */ | |
309 | /* Check the packet length. */ | |
310 | BPF_STMT(BPF_LD + BPF_W + BPF_LEN, 0), /* A <- packet length */ | |
311 | BPF_JUMP(BPF_JMP + BPF_JGE + BPF_K, sizeof(struct nlmsghdr) + sizeof(struct ndmsg), 1, 0), | |
312 | /* packet length >= sizeof(struct nlmsghdr) + sizeof(struct ndmsg) ? */ | |
313 | BPF_STMT(BPF_RET + BPF_K, 0), /* reject */ | |
314 | /* Reject the message when the neighbor state does not have NUD_PERMANENT flag. */ | |
315 | BPF_STMT(BPF_LD + BPF_H + BPF_ABS, sizeof(struct nlmsghdr) + offsetof(struct ndmsg, ndm_state)), | |
316 | /* A <- neighbor state */ | |
317 | BPF_JUMP(BPF_JMP + BPF_JSET + BPF_K, htobe16(NUD_PERMANENT), 1, 0), /* neighbor state has NUD_PERMANENT ? */ | |
318 | BPF_STMT(BPF_RET + BPF_K, 0), /* reject */ | |
319 | BPF_STMT(BPF_RET + BPF_K, UINT32_MAX), /* accept */ | |
320 | }; | |
321 | ||
322 | assert(manager); | |
323 | assert(manager->rtnl); | |
324 | ||
325 | return sd_netlink_attach_filter(manager->rtnl, ELEMENTSOF(filter), filter); | |
326 | } | |
327 | ||
5fae368b TG |
328 | static int manager_connect_rtnl(Manager *m) { |
329 | int fd, r; | |
505f8da7 TG |
330 | |
331 | assert(m); | |
505f8da7 | 332 | |
5fae368b TG |
333 | fd = systemd_netlink_fd(); |
334 | if (fd < 0) | |
1c4baffc | 335 | r = sd_netlink_open(&m->rtnl); |
5fae368b | 336 | else |
1c4baffc | 337 | r = sd_netlink_open_fd(&m->rtnl, fd); |
505f8da7 TG |
338 | if (r < 0) |
339 | return r; | |
340 | ||
e13af7bd YW |
341 | /* Bump receiver buffer, but only if we are not called via socket activation, as in that |
342 | * case systemd sets the receive buffer size for us, and the value in the .socket unit | |
343 | * should take full effect. */ | |
344 | if (fd < 0) { | |
78cca583 | 345 | r = sd_netlink_increase_rxbuf(m->rtnl, RCVBUF_SIZE); |
e13af7bd YW |
346 | if (r < 0) |
347 | log_warning_errno(r, "Failed to increase receive buffer size for rtnl socket, ignoring: %m"); | |
348 | } | |
f579559b | 349 | |
1c4baffc | 350 | r = sd_netlink_attach_event(m->rtnl, m->event, 0); |
505f8da7 TG |
351 | if (r < 0) |
352 | return r; | |
f579559b | 353 | |
8dfed23d | 354 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWLINK, &manager_rtnl_process_link, NULL, m, "network-rtnl_process_link"); |
5fae368b TG |
355 | if (r < 0) |
356 | return r; | |
505f8da7 | 357 | |
8dfed23d | 358 | r = netlink_add_match(m->rtnl, NULL, RTM_DELLINK, &manager_rtnl_process_link, NULL, m, "network-rtnl_process_link"); |
5fae368b TG |
359 | if (r < 0) |
360 | return r; | |
45af44d4 | 361 | |
828a81a9 YW |
362 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWQDISC, &manager_rtnl_process_qdisc, NULL, m, "network-rtnl_process_qdisc"); |
363 | if (r < 0) | |
364 | return r; | |
365 | ||
366 | r = netlink_add_match(m->rtnl, NULL, RTM_DELQDISC, &manager_rtnl_process_qdisc, NULL, m, "network-rtnl_process_qdisc"); | |
367 | if (r < 0) | |
368 | return r; | |
369 | ||
370 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWTCLASS, &manager_rtnl_process_tclass, NULL, m, "network-rtnl_process_tclass"); | |
371 | if (r < 0) | |
372 | return r; | |
373 | ||
374 | r = netlink_add_match(m->rtnl, NULL, RTM_DELTCLASS, &manager_rtnl_process_tclass, NULL, m, "network-rtnl_process_tclass"); | |
375 | if (r < 0) | |
376 | return r; | |
377 | ||
8dfed23d | 378 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWADDR, &manager_rtnl_process_address, NULL, m, "network-rtnl_process_address"); |
5fae368b TG |
379 | if (r < 0) |
380 | return r; | |
381 | ||
8dfed23d | 382 | r = netlink_add_match(m->rtnl, NULL, RTM_DELADDR, &manager_rtnl_process_address, NULL, m, "network-rtnl_process_address"); |
5fae368b TG |
383 | if (r < 0) |
384 | return r; | |
385 | ||
8dfed23d | 386 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWNEIGH, &manager_rtnl_process_neighbor, NULL, m, "network-rtnl_process_neighbor"); |
d1bdafd2 WKI |
387 | if (r < 0) |
388 | return r; | |
389 | ||
8dfed23d | 390 | r = netlink_add_match(m->rtnl, NULL, RTM_DELNEIGH, &manager_rtnl_process_neighbor, NULL, m, "network-rtnl_process_neighbor"); |
d1bdafd2 WKI |
391 | if (r < 0) |
392 | return r; | |
393 | ||
8dfed23d | 394 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWROUTE, &manager_rtnl_process_route, NULL, m, "network-rtnl_process_route"); |
1c8e710c TG |
395 | if (r < 0) |
396 | return r; | |
397 | ||
8dfed23d | 398 | r = netlink_add_match(m->rtnl, NULL, RTM_DELROUTE, &manager_rtnl_process_route, NULL, m, "network-rtnl_process_route"); |
1c8e710c TG |
399 | if (r < 0) |
400 | return r; | |
401 | ||
8dfed23d | 402 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWRULE, &manager_rtnl_process_rule, NULL, m, "network-rtnl_process_rule"); |
bce67bbe SS |
403 | if (r < 0) |
404 | return r; | |
405 | ||
8dfed23d | 406 | r = netlink_add_match(m->rtnl, NULL, RTM_DELRULE, &manager_rtnl_process_rule, NULL, m, "network-rtnl_process_rule"); |
bce67bbe SS |
407 | if (r < 0) |
408 | return r; | |
409 | ||
8dfed23d | 410 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWNEXTHOP, &manager_rtnl_process_nexthop, NULL, m, "network-rtnl_process_nexthop"); |
c16c7808 SS |
411 | if (r < 0) |
412 | return r; | |
413 | ||
8dfed23d | 414 | r = netlink_add_match(m->rtnl, NULL, RTM_DELNEXTHOP, &manager_rtnl_process_nexthop, NULL, m, "network-rtnl_process_nexthop"); |
c16c7808 SS |
415 | if (r < 0) |
416 | return r; | |
417 | ||
26a8be48 | 418 | return manager_setup_rtnl_filter(m); |
45af44d4 | 419 | } |
505f8da7 | 420 | |
84de38c5 TG |
421 | static int manager_dirty_handler(sd_event_source *s, void *userdata) { |
422 | Manager *m = userdata; | |
423 | Link *link; | |
d23a66f2 | 424 | int r; |
84de38c5 TG |
425 | |
426 | assert(m); | |
427 | ||
d23a66f2 YW |
428 | if (m->dirty) { |
429 | r = manager_save(m); | |
430 | if (r < 0) | |
431 | log_warning_errno(r, "Failed to update state file %s, ignoring: %m", m->state_file); | |
432 | } | |
84de38c5 | 433 | |
d23a66f2 YW |
434 | SET_FOREACH(link, m->dirty_links) { |
435 | r = link_save_and_clean(link); | |
436 | if (r < 0) | |
437 | log_link_warning_errno(link, r, "Failed to update link state file %s, ignoring: %m", link->state_file); | |
438 | } | |
84de38c5 TG |
439 | |
440 | return 1; | |
441 | } | |
442 | ||
ab76be55 ZJS |
443 | static int signal_terminate_callback(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) { |
444 | Manager *m = userdata; | |
445 | ||
446 | assert(m); | |
447 | m->restarting = false; | |
448 | ||
449 | log_debug("Terminate operation initiated."); | |
450 | ||
451 | return sd_event_exit(sd_event_source_get_event(s), 0); | |
452 | } | |
453 | ||
454 | static int signal_restart_callback(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) { | |
455 | Manager *m = userdata; | |
456 | ||
457 | assert(m); | |
458 | m->restarting = true; | |
459 | ||
460 | log_debug("Restart operation initiated."); | |
461 | ||
462 | return sd_event_exit(sd_event_source_get_event(s), 0); | |
463 | } | |
464 | ||
ea853de5 YW |
465 | static int manager_set_keep_configuration(Manager *m) { |
466 | int r; | |
467 | ||
468 | assert(m); | |
469 | ||
470 | if (in_initrd()) { | |
471 | log_debug("Running in initrd, keep DHCPv4 addresses on stopping networkd by default."); | |
472 | m->keep_configuration = KEEP_CONFIGURATION_DHCP_ON_STOP; | |
473 | return 0; | |
474 | } | |
475 | ||
476 | r = path_is_network_fs("/"); | |
477 | if (r < 0) | |
478 | return log_error_errno(r, "Failed to detect if root is network filesystem: %m"); | |
479 | if (r == 0) { | |
480 | m->keep_configuration = _KEEP_CONFIGURATION_INVALID; | |
481 | return 0; | |
482 | } | |
483 | ||
484 | log_debug("Running on network filesystem, enabling KeepConfiguration= by default."); | |
485 | m->keep_configuration = KEEP_CONFIGURATION_YES; | |
486 | return 0; | |
487 | } | |
488 | ||
4c78dc17 | 489 | int manager_setup(Manager *m) { |
45af44d4 | 490 | int r; |
f579559b | 491 | |
96243149 | 492 | assert(m); |
5fae368b | 493 | |
3534a043 YW |
494 | r = sd_event_default(&m->event); |
495 | if (r < 0) | |
496 | return r; | |
497 | ||
ab76be55 ZJS |
498 | assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, SIGUSR2, -1) >= 0); |
499 | ||
05e21627 | 500 | (void) sd_event_set_watchdog(m->event, true); |
ab76be55 ZJS |
501 | (void) sd_event_add_signal(m->event, NULL, SIGTERM, signal_terminate_callback, m); |
502 | (void) sd_event_add_signal(m->event, NULL, SIGINT, signal_terminate_callback, m); | |
503 | (void) sd_event_add_signal(m->event, NULL, SIGUSR2, signal_restart_callback, m); | |
5fae368b | 504 | |
84de38c5 TG |
505 | r = sd_event_add_post(m->event, NULL, manager_dirty_handler, m); |
506 | if (r < 0) | |
507 | return r; | |
508 | ||
19d9a5ad YW |
509 | r = sd_event_add_post(m->event, NULL, manager_process_requests, m); |
510 | if (r < 0) | |
511 | return r; | |
512 | ||
5fae368b | 513 | r = manager_connect_rtnl(m); |
45af44d4 TG |
514 | if (r < 0) |
515 | return r; | |
516 | ||
05d0c2e3 JT |
517 | r = manager_connect_genl(m); |
518 | if (r < 0) | |
519 | return r; | |
520 | ||
4c78dc17 | 521 | if (m->test_mode) |
96243149 YW |
522 | return 0; |
523 | ||
524 | r = manager_connect_bus(m); | |
525 | if (r < 0) | |
526 | return r; | |
527 | ||
5fae368b TG |
528 | r = manager_connect_udev(m); |
529 | if (r < 0) | |
530 | return r; | |
45af44d4 | 531 | |
05d0c2e3 JT |
532 | r = sd_resolve_default(&m->resolve); |
533 | if (r < 0) | |
534 | return r; | |
535 | ||
536 | r = sd_resolve_attach_event(m->resolve, m->event, 0); | |
537 | if (r < 0) | |
538 | return r; | |
539 | ||
ed76f585 | 540 | r = address_pool_setup_default(m); |
5fae368b TG |
541 | if (r < 0) |
542 | return r; | |
f579559b | 543 | |
ea853de5 YW |
544 | r = manager_set_keep_configuration(m); |
545 | if (r < 0) | |
546 | return r; | |
547 | ||
96243149 YW |
548 | m->state_file = strdup("/run/systemd/netif/state"); |
549 | if (!m->state_file) | |
550 | return -ENOMEM; | |
551 | ||
552 | return 0; | |
553 | } | |
554 | ||
4c78dc17 | 555 | int manager_new(Manager **ret, bool test_mode) { |
96243149 | 556 | _cleanup_(manager_freep) Manager *m = NULL; |
f579559b | 557 | |
96243149 YW |
558 | m = new(Manager, 1); |
559 | if (!m) | |
560 | return -ENOMEM; | |
561 | ||
562 | *m = (Manager) { | |
ea853de5 | 563 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, |
4c78dc17 | 564 | .test_mode = test_mode, |
96243149 YW |
565 | .speed_meter_interval_usec = SPEED_METER_DEFAULT_TIME_INTERVAL, |
566 | .online_state = _LINK_ONLINE_STATE_INVALID, | |
567 | .manage_foreign_routes = true, | |
568 | .manage_foreign_rules = true, | |
569 | .ethtool_fd = -1, | |
570 | .dhcp_duid.type = DUID_TYPE_EN, | |
571 | .dhcp6_duid.type = DUID_TYPE_EN, | |
572 | .duid_product_uuid.type = DUID_TYPE_UUID, | |
573 | }; | |
574 | ||
575 | *ret = TAKE_PTR(m); | |
f579559b TG |
576 | return 0; |
577 | } | |
578 | ||
75db809a | 579 | Manager* manager_free(Manager *m) { |
5fae368b | 580 | Link *link; |
f579559b | 581 | |
5fae368b | 582 | if (!m) |
75db809a | 583 | return NULL; |
505f8da7 | 584 | |
5fae368b | 585 | free(m->state_file); |
505f8da7 | 586 | |
6eab614d | 587 | HASHMAP_FOREACH(link, m->links_by_index) |
2a99eed0 | 588 | (void) link_stop_engines(link, true); |
946f8e14 | 589 | |
40b12fa2 | 590 | m->request_queue = ordered_set_free(m->request_queue); |
19d9a5ad | 591 | |
c4397d94 | 592 | m->dirty_links = set_free_with_destructor(m->dirty_links, link_unref); |
0b54c870 | 593 | m->links_by_name = hashmap_free(m->links_by_name); |
fe321d45 | 594 | m->links_by_hw_addr = hashmap_free(m->links_by_hw_addr); |
a27588d4 | 595 | m->links_by_dhcp_pd_subnet_prefix = hashmap_free(m->links_by_dhcp_pd_subnet_prefix); |
6eab614d | 596 | m->links_by_index = hashmap_free_with_destructor(m->links_by_index, link_unref); |
27dfc982 | 597 | |
a27588d4 | 598 | m->dhcp_pd_subnet_ids = set_free(m->dhcp_pd_subnet_ids); |
715d398e | 599 | m->networks = ordered_hashmap_free_with_destructor(m->networks, network_unref); |
dbffab87 | 600 | |
c4397d94 | 601 | m->netdevs = hashmap_free_with_destructor(m->netdevs, netdev_unref); |
5fae368b | 602 | |
edb69db2 YW |
603 | m->wiphy_by_name = hashmap_free(m->wiphy_by_name); |
604 | m->wiphy_by_index = hashmap_free_with_destructor(m->wiphy_by_index, wiphy_free); | |
605 | ||
bfbf150e | 606 | ordered_set_free_free(m->address_pools); |
5fae368b | 607 | |
552b90a2 YW |
608 | hashmap_free(m->route_table_names_by_number); |
609 | hashmap_free(m->route_table_numbers_by_name); | |
c038ce46 | 610 | |
eb72fa3a | 611 | set_free(m->rules); |
bce67bbe | 612 | |
d4df6326 SS |
613 | sd_netlink_unref(m->rtnl); |
614 | sd_netlink_unref(m->genl); | |
615 | sd_resolve_unref(m->resolve); | |
616 | ||
450fa34b YW |
617 | /* reject (e.g. unreachable) type routes are managed by Manager, but may be referenced by a |
618 | * link. E.g., DHCP6 with prefix delegation creates unreachable routes, and they are referenced | |
619 | * by the upstream link. And the links may be referenced by netlink slots. Hence, two | |
620 | * set_free() must be called after the above sd_netlink_unref(). */ | |
621 | m->routes = set_free(m->routes); | |
622 | m->routes_foreign = set_free(m->routes_foreign); | |
623 | ||
30f10837 | 624 | m->nexthops = set_free(m->nexthops); |
69e244e3 YW |
625 | m->nexthops_by_id = hashmap_free(m->nexthops_by_id); |
626 | ||
a879e1a4 | 627 | sd_event_source_unref(m->speed_meter_event_source); |
2f5b4a77 | 628 | sd_event_unref(m->event); |
5fae368b | 629 | |
d2ebf952 | 630 | sd_device_monitor_unref(m->device_monitor); |
7d20d375 | 631 | |
15761549 | 632 | bus_verify_polkit_async_registry_free(m->polkit_registry); |
92e31da1 | 633 | sd_bus_flush_close_unref(m->bus); |
7d20d375 | 634 | |
7901cea1 MP |
635 | free(m->dynamic_timezone); |
636 | free(m->dynamic_hostname); | |
637 | ||
c643bda5 YW |
638 | safe_close(m->ethtool_fd); |
639 | ||
761cf19d FW |
640 | m->fw_ctx = fw_ctx_free(m->fw_ctx); |
641 | ||
75db809a | 642 | return mfree(m); |
5fae368b TG |
643 | } |
644 | ||
b76d99d9 | 645 | int manager_start(Manager *m) { |
84de38c5 | 646 | Link *link; |
a879e1a4 | 647 | int r; |
84de38c5 | 648 | |
a97dcc12 TG |
649 | assert(m); |
650 | ||
a879e1a4 YW |
651 | r = manager_start_speed_meter(m); |
652 | if (r < 0) | |
653 | return log_error_errno(r, "Failed to initialize speed meter: %m"); | |
654 | ||
84de38c5 TG |
655 | /* The dirty handler will deal with future serialization, but the first one |
656 | must be done explicitly. */ | |
657 | ||
d23a66f2 YW |
658 | r = manager_save(m); |
659 | if (r < 0) | |
660 | log_warning_errno(r, "Failed to update state file %s, ignoring: %m", m->state_file); | |
84de38c5 | 661 | |
6eab614d | 662 | HASHMAP_FOREACH(link, m->links_by_index) { |
d23a66f2 YW |
663 | r = link_save(link); |
664 | if (r < 0) | |
665 | log_link_warning_errno(link, r, "Failed to update link state file %s, ignoring: %m", link->state_file); | |
666 | } | |
84de38c5 | 667 | |
b76d99d9 | 668 | return 0; |
a97dcc12 TG |
669 | } |
670 | ||
5fae368b TG |
671 | int manager_load_config(Manager *m) { |
672 | int r; | |
673 | ||
674 | /* update timestamp */ | |
dc0d4078 | 675 | paths_check_timestamp(NETWORK_DIRS, &m->network_dirs_ts_usec, true); |
5fae368b | 676 | |
e272b621 | 677 | r = netdev_load(m, false); |
f579559b TG |
678 | if (r < 0) |
679 | return r; | |
680 | ||
7f06b3e1 | 681 | r = network_load(m, &m->networks); |
9021bb9f TG |
682 | if (r < 0) |
683 | return r; | |
684 | ||
a27588d4 | 685 | return manager_build_dhcp_pd_subnet_ids(m); |
f579559b | 686 | } |
f882c247 | 687 | |
5fae368b | 688 | bool manager_should_reload(Manager *m) { |
dc0d4078 | 689 | return paths_check_timestamp(NETWORK_DIRS, &m->network_dirs_ts_usec, false); |
5fae368b TG |
690 | } |
691 | ||
446aaaf3 YW |
692 | static int manager_enumerate_internal( |
693 | Manager *m, | |
bdcd4ab2 | 694 | sd_netlink *nl, |
446aaaf3 | 695 | sd_netlink_message *req, |
f12629ae | 696 | int (*process)(sd_netlink *, sd_netlink_message *, Manager *)) { |
446aaaf3 YW |
697 | |
698 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *reply = NULL; | |
bdcd4ab2 | 699 | int k, r; |
f882c247 | 700 | |
5da8149f | 701 | assert(m); |
bdcd4ab2 | 702 | assert(nl); |
446aaaf3 YW |
703 | assert(req); |
704 | assert(process); | |
f882c247 | 705 | |
1c4baffc | 706 | r = sd_netlink_message_request_dump(req, true); |
dd3efc09 TG |
707 | if (r < 0) |
708 | return r; | |
709 | ||
bdcd4ab2 | 710 | r = sd_netlink_call(nl, req, 0, &reply); |
f12629ae | 711 | if (r < 0) |
f2236469 TG |
712 | return r; |
713 | ||
a6b08423 | 714 | m->enumerating = true; |
446aaaf3 | 715 | for (sd_netlink_message *reply_one = reply; reply_one; reply_one = sd_netlink_message_next(reply_one)) { |
bdcd4ab2 | 716 | k = process(nl, reply_one, m); |
446aaaf3 | 717 | if (k < 0 && r >= 0) |
5fae368b TG |
718 | r = k; |
719 | } | |
a6b08423 | 720 | m->enumerating = false; |
2e9f08ea | 721 | |
5fae368b | 722 | return r; |
f882c247 | 723 | } |
3bef724f | 724 | |
446aaaf3 YW |
725 | static int manager_enumerate_links(Manager *m) { |
726 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
1346b1f0 TG |
727 | int r; |
728 | ||
5fae368b TG |
729 | assert(m); |
730 | assert(m->rtnl); | |
bcbca829 | 731 | |
446aaaf3 | 732 | r = sd_rtnl_message_new_link(m->rtnl, &req, RTM_GETLINK, 0); |
5fae368b TG |
733 | if (r < 0) |
734 | return r; | |
735 | ||
f12629ae | 736 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_link); |
446aaaf3 | 737 | } |
5fae368b | 738 | |
828a81a9 YW |
739 | static int manager_enumerate_qdisc(Manager *m) { |
740 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
741 | int r; | |
742 | ||
743 | assert(m); | |
744 | assert(m->rtnl); | |
745 | ||
746 | r = sd_rtnl_message_new_traffic_control(m->rtnl, &req, RTM_GETQDISC, 0, 0, 0); | |
747 | if (r < 0) | |
748 | return r; | |
749 | ||
750 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_qdisc); | |
751 | } | |
752 | ||
753 | static int manager_enumerate_tclass(Manager *m) { | |
754 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
755 | int r; | |
756 | ||
757 | assert(m); | |
758 | assert(m->rtnl); | |
759 | ||
760 | r = sd_rtnl_message_new_traffic_control(m->rtnl, &req, RTM_GETTCLASS, 0, 0, 0); | |
761 | if (r < 0) | |
762 | return r; | |
763 | ||
764 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_tclass); | |
765 | } | |
766 | ||
446aaaf3 YW |
767 | static int manager_enumerate_addresses(Manager *m) { |
768 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
769 | int r; | |
6a24f148 | 770 | |
446aaaf3 YW |
771 | assert(m); |
772 | assert(m->rtnl); | |
6a24f148 | 773 | |
446aaaf3 YW |
774 | r = sd_rtnl_message_new_addr(m->rtnl, &req, RTM_GETADDR, 0, 0); |
775 | if (r < 0) | |
776 | return r; | |
5fae368b | 777 | |
f12629ae | 778 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_address); |
1346b1f0 | 779 | } |
d1bdafd2 | 780 | |
446aaaf3 YW |
781 | static int manager_enumerate_neighbors(Manager *m) { |
782 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
d1bdafd2 WKI |
783 | int r; |
784 | ||
785 | assert(m); | |
786 | assert(m->rtnl); | |
787 | ||
788 | r = sd_rtnl_message_new_neigh(m->rtnl, &req, RTM_GETNEIGH, 0, AF_UNSPEC); | |
789 | if (r < 0) | |
790 | return r; | |
791 | ||
f12629ae | 792 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_neighbor); |
d1bdafd2 | 793 | } |
1346b1f0 | 794 | |
446aaaf3 YW |
795 | static int manager_enumerate_routes(Manager *m) { |
796 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
1c8e710c TG |
797 | int r; |
798 | ||
799 | assert(m); | |
800 | assert(m->rtnl); | |
801 | ||
5ff1ef31 YW |
802 | if (!m->manage_foreign_routes) |
803 | return 0; | |
804 | ||
1c8e710c TG |
805 | r = sd_rtnl_message_new_route(m->rtnl, &req, RTM_GETROUTE, 0, 0); |
806 | if (r < 0) | |
807 | return r; | |
808 | ||
f12629ae | 809 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_route); |
1c8e710c TG |
810 | } |
811 | ||
446aaaf3 YW |
812 | static int manager_enumerate_rules(Manager *m) { |
813 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
bce67bbe SS |
814 | int r; |
815 | ||
816 | assert(m); | |
817 | assert(m->rtnl); | |
818 | ||
d94dfe70 YW |
819 | if (!m->manage_foreign_rules) |
820 | return 0; | |
821 | ||
bce67bbe SS |
822 | r = sd_rtnl_message_new_routing_policy_rule(m->rtnl, &req, RTM_GETRULE, 0); |
823 | if (r < 0) | |
824 | return r; | |
825 | ||
f12629ae | 826 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_rule); |
bce67bbe SS |
827 | } |
828 | ||
446aaaf3 YW |
829 | static int manager_enumerate_nexthop(Manager *m) { |
830 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
c16c7808 SS |
831 | int r; |
832 | ||
833 | assert(m); | |
834 | assert(m->rtnl); | |
835 | ||
836 | r = sd_rtnl_message_new_nexthop(m->rtnl, &req, RTM_GETNEXTHOP, 0, 0); | |
837 | if (r < 0) | |
838 | return r; | |
839 | ||
f12629ae | 840 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_nexthop); |
446aaaf3 | 841 | } |
c16c7808 | 842 | |
edb69db2 YW |
843 | static int manager_enumerate_nl80211_wiphy(Manager *m) { |
844 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
845 | int r; | |
846 | ||
847 | assert(m); | |
848 | assert(m->genl); | |
849 | ||
850 | r = sd_genl_message_new(m->genl, NL80211_GENL_NAME, NL80211_CMD_GET_WIPHY, &req); | |
851 | if (r < 0) | |
852 | return r; | |
853 | ||
854 | return manager_enumerate_internal(m, m->genl, req, manager_genl_process_nl80211_wiphy); | |
855 | } | |
856 | ||
96f5f9ef YW |
857 | static int manager_enumerate_nl80211_config(Manager *m) { |
858 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
859 | int r; | |
860 | ||
861 | assert(m); | |
862 | assert(m->genl); | |
863 | ||
864 | r = sd_genl_message_new(m->genl, NL80211_GENL_NAME, NL80211_CMD_GET_INTERFACE, &req); | |
865 | if (r < 0) | |
866 | return r; | |
867 | ||
868 | return manager_enumerate_internal(m, m->genl, req, manager_genl_process_nl80211_config); | |
869 | } | |
870 | ||
871 | static int manager_enumerate_nl80211_mlme(Manager *m) { | |
872 | Link *link; | |
873 | int r; | |
874 | ||
875 | assert(m); | |
876 | assert(m->genl); | |
877 | ||
878 | HASHMAP_FOREACH(link, m->links_by_index) { | |
879 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
880 | ||
881 | if (link->wlan_iftype != NL80211_IFTYPE_STATION) | |
882 | continue; | |
883 | ||
884 | r = sd_genl_message_new(m->genl, NL80211_GENL_NAME, NL80211_CMD_GET_STATION, &req); | |
885 | if (r < 0) | |
886 | return r; | |
887 | ||
888 | r = sd_netlink_message_append_u32(req, NL80211_ATTR_IFINDEX, link->ifindex); | |
889 | if (r < 0) | |
890 | return r; | |
891 | ||
892 | r = manager_enumerate_internal(m, m->genl, req, manager_genl_process_nl80211_mlme); | |
893 | if (r < 0) | |
894 | return r; | |
895 | } | |
896 | ||
897 | return 0; | |
898 | } | |
899 | ||
446aaaf3 YW |
900 | int manager_enumerate(Manager *m) { |
901 | int r; | |
c16c7808 | 902 | |
446aaaf3 YW |
903 | r = manager_enumerate_links(m); |
904 | if (r < 0) | |
905 | return log_error_errno(r, "Could not enumerate links: %m"); | |
c16c7808 | 906 | |
828a81a9 | 907 | r = manager_enumerate_qdisc(m); |
15ac2a62 YW |
908 | if (r == -EOPNOTSUPP) |
909 | log_debug_errno(r, "Could not enumerate QDiscs, ignoring: %m"); | |
910 | else if (r < 0) | |
828a81a9 YW |
911 | return log_error_errno(r, "Could not enumerate QDisc: %m"); |
912 | ||
913 | r = manager_enumerate_tclass(m); | |
15ac2a62 YW |
914 | if (r == -EOPNOTSUPP) |
915 | log_debug_errno(r, "Could not enumerate TClasses, ignoring: %m"); | |
916 | else if (r < 0) | |
828a81a9 YW |
917 | return log_error_errno(r, "Could not enumerate TClass: %m"); |
918 | ||
446aaaf3 YW |
919 | r = manager_enumerate_addresses(m); |
920 | if (r < 0) | |
921 | return log_error_errno(r, "Could not enumerate addresses: %m"); | |
c16c7808 | 922 | |
446aaaf3 YW |
923 | r = manager_enumerate_neighbors(m); |
924 | if (r < 0) | |
925 | return log_error_errno(r, "Could not enumerate neighbors: %m"); | |
c16c7808 | 926 | |
f12629ae YW |
927 | /* NextHop support is added in kernel v5.3 (65ee00a9409f751188a8cdc0988167858eb4a536), |
928 | * and older kernels return -EOPNOTSUPP, or -EINVAL if SELinux is enabled. */ | |
0c0585ca | 929 | r = manager_enumerate_nexthop(m); |
f12629ae YW |
930 | if (r == -EOPNOTSUPP || (r == -EINVAL && mac_selinux_enforcing())) |
931 | log_debug_errno(r, "Could not enumerate nexthops, ignoring: %m"); | |
932 | else if (r < 0) | |
933 | return log_error_errno(r, "Could not enumerate nexthops: %m"); | |
0c0585ca | 934 | |
446aaaf3 YW |
935 | r = manager_enumerate_routes(m); |
936 | if (r < 0) | |
937 | return log_error_errno(r, "Could not enumerate routes: %m"); | |
c16c7808 | 938 | |
f12629ae | 939 | /* If kernel is built with CONFIG_FIB_RULES=n, it returns -EOPNOTSUPP. */ |
446aaaf3 | 940 | r = manager_enumerate_rules(m); |
f12629ae YW |
941 | if (r == -EOPNOTSUPP) |
942 | log_debug_errno(r, "Could not enumerate routing policy rules, ignoring: %m"); | |
943 | else if (r < 0) | |
446aaaf3 | 944 | return log_error_errno(r, "Could not enumerate routing policy rules: %m"); |
c16c7808 | 945 | |
edb69db2 YW |
946 | r = manager_enumerate_nl80211_wiphy(m); |
947 | if (r == -EOPNOTSUPP) | |
948 | log_debug_errno(r, "Could not enumerate wireless LAN phy, ignoring: %m"); | |
949 | else if (r < 0) | |
950 | return log_error_errno(r, "Could not enumerate wireless LAN phy: %m"); | |
951 | ||
96f5f9ef YW |
952 | r = manager_enumerate_nl80211_config(m); |
953 | if (r == -EOPNOTSUPP) | |
954 | log_debug_errno(r, "Could not enumerate wireless LAN interfaces, ignoring: %m"); | |
955 | else if (r < 0) | |
956 | return log_error_errno(r, "Could not enumerate wireless LAN interfaces: %m"); | |
957 | ||
958 | r = manager_enumerate_nl80211_mlme(m); | |
959 | if (r == -EOPNOTSUPP) | |
960 | log_debug_errno(r, "Could not enumerate wireless LAN stations, ignoring: %m"); | |
961 | else if (r < 0) | |
962 | return log_error_errno(r, "Could not enumerate wireless LAN stations: %m"); | |
963 | ||
446aaaf3 | 964 | return 0; |
c16c7808 SS |
965 | } |
966 | ||
59eb33e0 | 967 | static int set_hostname_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { |
59eb33e0 | 968 | const sd_bus_error *e; |
f63e09ef | 969 | int r; |
59eb33e0 MP |
970 | |
971 | assert(m); | |
59eb33e0 MP |
972 | |
973 | e = sd_bus_message_get_error(m); | |
f63e09ef YW |
974 | if (e) { |
975 | r = sd_bus_error_get_errno(e); | |
976 | log_warning_errno(r, "Could not set hostname: %s", bus_error_message(e, r)); | |
977 | } | |
59eb33e0 MP |
978 | |
979 | return 1; | |
980 | } | |
981 | ||
982 | int manager_set_hostname(Manager *m, const char *hostname) { | |
983 | int r; | |
984 | ||
985 | log_debug("Setting transient hostname: '%s'", strna(hostname)); | |
d7afd945 | 986 | |
b3f9c17a YW |
987 | r = free_and_strdup_warn(&m->dynamic_hostname, hostname); |
988 | if (r < 0) | |
989 | return r; | |
59eb33e0 | 990 | |
5dbec9bd ZJS |
991 | if (sd_bus_is_ready(m->bus) <= 0) { |
992 | log_debug("Not connected to system bus, setting system hostname later."); | |
59eb33e0 MP |
993 | return 0; |
994 | } | |
995 | ||
d2775306 | 996 | r = bus_call_method_async( |
59eb33e0 MP |
997 | m->bus, |
998 | NULL, | |
d2775306 | 999 | bus_hostname, |
59eb33e0 MP |
1000 | "SetHostname", |
1001 | set_hostname_handler, | |
1002 | m, | |
1003 | "sb", | |
1004 | hostname, | |
1005 | false); | |
59eb33e0 MP |
1006 | if (r < 0) |
1007 | return log_error_errno(r, "Could not set transient hostname: %m"); | |
1008 | ||
1009 | return 0; | |
1010 | } | |
1011 | ||
1012 | static int set_timezone_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { | |
59eb33e0 | 1013 | const sd_bus_error *e; |
f63e09ef | 1014 | int r; |
59eb33e0 MP |
1015 | |
1016 | assert(m); | |
59eb33e0 MP |
1017 | |
1018 | e = sd_bus_message_get_error(m); | |
f63e09ef YW |
1019 | if (e) { |
1020 | r = sd_bus_error_get_errno(e); | |
1021 | log_warning_errno(r, "Could not set timezone: %s", bus_error_message(e, r)); | |
1022 | } | |
59eb33e0 MP |
1023 | |
1024 | return 1; | |
1025 | } | |
1026 | ||
1027 | int manager_set_timezone(Manager *m, const char *tz) { | |
1028 | int r; | |
1029 | ||
1030 | assert(m); | |
1031 | assert(tz); | |
1032 | ||
1033 | log_debug("Setting system timezone: '%s'", tz); | |
b3f9c17a YW |
1034 | r = free_and_strdup_warn(&m->dynamic_timezone, tz); |
1035 | if (r < 0) | |
1036 | return r; | |
59eb33e0 | 1037 | |
5dbec9bd ZJS |
1038 | if (sd_bus_is_ready(m->bus) <= 0) { |
1039 | log_debug("Not connected to system bus, setting system timezone later."); | |
59eb33e0 MP |
1040 | return 0; |
1041 | } | |
1042 | ||
b607fd3f | 1043 | r = bus_call_method_async( |
59eb33e0 MP |
1044 | m->bus, |
1045 | NULL, | |
b607fd3f | 1046 | bus_timedate, |
59eb33e0 MP |
1047 | "SetTimezone", |
1048 | set_timezone_handler, | |
1049 | m, | |
1050 | "sb", | |
1051 | tz, | |
1052 | false); | |
1053 | if (r < 0) | |
1054 | return log_error_errno(r, "Could not set timezone: %m"); | |
1055 | ||
1056 | return 0; | |
1057 | } |