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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> |
7b9da386 | 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 | |
07630cea | 11 | #include "sd-netlink.h" |
fc2f9534 | 12 | |
b5efdb8a | 13 | #include "alloc-util.h" |
f63e09ef | 14 | #include "bus-error.h" |
b607fd3f | 15 | #include "bus-locator.h" |
ac9f55ed | 16 | #include "bus-log-control-api.h" |
269e4d2d | 17 | #include "bus-polkit.h" |
a97dcc12 | 18 | #include "bus-util.h" |
6daaeafe | 19 | #include "common-signal.h" |
07630cea | 20 | #include "conf-parser.h" |
28db6fbf | 21 | #include "constants.h" |
af7a86b8 | 22 | #include "daemon-util.h" |
1fd3ac1e YW |
23 | #include "device-private.h" |
24 | #include "device-util.h" | |
482d1aeb | 25 | #include "dns-domain.h" |
3ffd4af2 | 26 | #include "fd-util.h" |
0d39fa9c | 27 | #include "fileio.h" |
761cf19d | 28 | #include "firewall-util.h" |
af664001 | 29 | #include "fs-util.h" |
baa6a42d | 30 | #include "initrd-util.h" |
4f5f911e | 31 | #include "local-addresses.h" |
07630cea | 32 | #include "netlink-util.h" |
dc0d4078 | 33 | #include "network-internal.h" |
bfbf150e | 34 | #include "networkd-address-pool.h" |
3b6a3bde | 35 | #include "networkd-address.h" |
cf72a786 | 36 | #include "networkd-dhcp-server-bus.h" |
ca5ad760 | 37 | #include "networkd-dhcp6.h" |
6a1af3d4 | 38 | #include "networkd-link-bus.h" |
23f53b99 | 39 | #include "networkd-manager.h" |
c5c74d85 LP |
40 | #include "networkd-manager-bus.h" |
41 | #include "networkd-manager-varlink.h" | |
1939ebeb | 42 | #include "networkd-neighbor.h" |
ceac2c2b | 43 | #include "networkd-network-bus.h" |
75156ccb | 44 | #include "networkd-nexthop.h" |
19d9a5ad | 45 | #include "networkd-queue.h" |
3b6a3bde | 46 | #include "networkd-route.h" |
ca183bf8 | 47 | #include "networkd-routing-policy-rule.h" |
a879e1a4 | 48 | #include "networkd-speed-meter.h" |
3b5a4fc6 | 49 | #include "networkd-state-file.h" |
96f5f9ef | 50 | #include "networkd-wifi.h" |
edb69db2 | 51 | #include "networkd-wiphy.h" |
00616955 | 52 | #include "ordered-set.h" |
b0c82192 | 53 | #include "path-lookup.h" |
07630cea | 54 | #include "path-util.h" |
828a81a9 | 55 | #include "qdisc.h" |
92b555aa | 56 | #include "selinux-util.h" |
07630cea | 57 | #include "set.h" |
ab76be55 | 58 | #include "signal-util.h" |
d31f33e3 | 59 | #include "stat-util.h" |
21486d9e | 60 | #include "strv.h" |
4b600505 | 61 | #include "sysctl-util.h" |
828a81a9 | 62 | #include "tclass.h" |
e4de7287 | 63 | #include "tmpfile-util.h" |
af7a86b8 | 64 | #include "tuntap.h" |
82f52245 | 65 | #include "udev-util.h" |
505f8da7 | 66 | |
48d0248e YW |
67 | /* use 128 MB for receive socket kernel queue. */ |
68 | #define RCVBUF_SIZE (128*1024*1024) | |
be660c37 | 69 | |
19070062 | 70 | static int match_prepare_for_sleep(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) { |
99534007 | 71 | Manager *m = ASSERT_PTR(userdata); |
a39a9ac8 | 72 | Link *link; |
9c0a72f9 TG |
73 | int b, r; |
74 | ||
19070062 | 75 | assert(message); |
9c0a72f9 TG |
76 | |
77 | r = sd_bus_message_read(message, "b", &b); | |
78 | if (r < 0) { | |
d67b1d18 | 79 | bus_log_parse_error(r); |
9c0a72f9 TG |
80 | return 0; |
81 | } | |
82 | ||
83 | if (b) | |
84 | return 0; | |
85 | ||
a39a9ac8 | 86 | log_debug("Coming back from suspend, reconfiguring all connections..."); |
9c0a72f9 | 87 | |
a39a9ac8 YW |
88 | HASHMAP_FOREACH(link, m->links_by_index) { |
89 | r = link_reconfigure(link, /* force = */ true); | |
90 | if (r < 0) { | |
91 | log_link_warning_errno(link, r, "Failed to reconfigure interface: %m"); | |
92 | link_enter_failed(link); | |
93 | } | |
94 | } | |
9c0a72f9 TG |
95 | |
96 | return 0; | |
97 | } | |
98 | ||
d7afd945 | 99 | static int on_connected(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) { |
99534007 | 100 | Manager *m = ASSERT_PTR(userdata); |
9c0a72f9 | 101 | |
d7afd945 | 102 | assert(message); |
9c0a72f9 | 103 | |
d7afd945 LP |
104 | /* Did we get a timezone or transient hostname from DHCP while D-Bus wasn't up yet? */ |
105 | if (m->dynamic_hostname) | |
106 | (void) manager_set_hostname(m, m->dynamic_hostname); | |
107 | if (m->dynamic_timezone) | |
108 | (void) manager_set_timezone(m, m->dynamic_timezone); | |
ccffa166 | 109 | if (m->product_uuid_requested) |
4e26a5ba | 110 | (void) manager_request_product_uuid(m); |
9c0a72f9 | 111 | |
d7afd945 LP |
112 | return 0; |
113 | } | |
9c0a72f9 | 114 | |
96243149 | 115 | static int manager_connect_bus(Manager *m) { |
d7afd945 LP |
116 | int r; |
117 | ||
118 | assert(m); | |
96243149 | 119 | assert(!m->bus); |
7d6884b6 | 120 | |
621e4509 | 121 | r = bus_open_system_watch_bind_with_description(&m->bus, "bus-api-network"); |
9c0a72f9 | 122 | if (r < 0) |
d7afd945 | 123 | return log_error_errno(r, "Failed to connect to bus: %m"); |
9c0a72f9 | 124 | |
6e194652 | 125 | r = bus_add_implementation(m->bus, &manager_object, m); |
e331e246 | 126 | if (r < 0) |
6e194652 | 127 | return r; |
e331e246 | 128 | |
ac9f55ed LP |
129 | r = bus_log_control_api_register(m->bus); |
130 | if (r < 0) | |
131 | return r; | |
132 | ||
696fc836 | 133 | r = sd_bus_request_name_async(m->bus, NULL, "org.freedesktop.network1", 0, NULL, NULL); |
e331e246 | 134 | if (r < 0) |
0c0b9306 | 135 | return log_error_errno(r, "Failed to request name: %m"); |
e331e246 TG |
136 | |
137 | r = sd_bus_attach_event(m->bus, m->event, 0); | |
138 | if (r < 0) | |
139 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
140 | ||
d7afd945 LP |
141 | r = sd_bus_match_signal_async( |
142 | m->bus, | |
cad43595 | 143 | NULL, |
d7afd945 LP |
144 | "org.freedesktop.DBus.Local", |
145 | NULL, | |
146 | "org.freedesktop.DBus.Local", | |
147 | "Connected", | |
148 | on_connected, NULL, m); | |
149 | if (r < 0) | |
150 | return log_error_errno(r, "Failed to request match on Connected signal: %m"); | |
151 | ||
d962e737 | 152 | r = bus_match_signal_async( |
d7afd945 | 153 | m->bus, |
cad43595 | 154 | NULL, |
d962e737 | 155 | bus_login_mgr, |
d7afd945 LP |
156 | "PrepareForSleep", |
157 | match_prepare_for_sleep, NULL, m); | |
158 | if (r < 0) | |
159 | log_warning_errno(r, "Failed to request match for PrepareForSleep, ignoring: %m"); | |
7901cea1 | 160 | |
9c0a72f9 TG |
161 | return 0; |
162 | } | |
163 | ||
1fd3ac1e YW |
164 | static int manager_process_uevent(sd_device_monitor *monitor, sd_device *device, void *userdata) { |
165 | Manager *m = ASSERT_PTR(userdata); | |
166 | sd_device_action_t action; | |
1fd3ac1e YW |
167 | int r; |
168 | ||
169 | assert(device); | |
170 | ||
171 | r = sd_device_get_action(device, &action); | |
172 | if (r < 0) | |
173 | return log_device_warning_errno(device, r, "Failed to get udev action, ignoring: %m"); | |
174 | ||
fb53ee0a | 175 | if (device_in_subsystem(device, "net")) |
1fd3ac1e | 176 | r = manager_udev_process_link(m, device, action); |
fb53ee0a | 177 | else if (device_in_subsystem(device, "ieee80211")) |
c49d5362 | 178 | r = manager_udev_process_wiphy(m, device, action); |
fb53ee0a | 179 | else if (device_in_subsystem(device, "rfkill")) |
8642e04b | 180 | r = manager_udev_process_rfkill(m, device, action); |
1fd3ac1e YW |
181 | if (r < 0) |
182 | log_device_warning_errno(device, r, "Failed to process \"%s\" uevent, ignoring: %m", | |
183 | device_action_to_string(action)); | |
184 | ||
185 | return 0; | |
186 | } | |
187 | ||
5fae368b TG |
188 | static int manager_connect_udev(Manager *m) { |
189 | int r; | |
f579559b | 190 | |
d31f33e3 YW |
191 | /* udev does not initialize devices inside containers, so we rely on them being already |
192 | * initialized before entering the container. */ | |
82f52245 | 193 | if (!udev_available()) |
5fae368b | 194 | return 0; |
f579559b | 195 | |
d2ebf952 | 196 | r = sd_device_monitor_new(&m->device_monitor); |
02b59d57 | 197 | if (r < 0) |
d2ebf952 | 198 | return log_error_errno(r, "Failed to initialize device monitor: %m"); |
02b59d57 | 199 | |
d2ebf952 YW |
200 | r = sd_device_monitor_filter_add_match_subsystem_devtype(m->device_monitor, "net", NULL); |
201 | if (r < 0) | |
1fd3ac1e | 202 | return log_error_errno(r, "Could not add device monitor filter for net subsystem: %m"); |
505f8da7 | 203 | |
c49d5362 YW |
204 | r = sd_device_monitor_filter_add_match_subsystem_devtype(m->device_monitor, "ieee80211", NULL); |
205 | if (r < 0) | |
206 | return log_error_errno(r, "Could not add device monitor filter for ieee80211 subsystem: %m"); | |
207 | ||
8642e04b YW |
208 | r = sd_device_monitor_filter_add_match_subsystem_devtype(m->device_monitor, "rfkill", NULL); |
209 | if (r < 0) | |
210 | return log_error_errno(r, "Could not add device monitor filter for rfkill subsystem: %m"); | |
211 | ||
deb2b734 | 212 | r = sd_device_monitor_attach_event(m->device_monitor, m->event); |
5fae368b | 213 | if (r < 0) |
d2ebf952 | 214 | return log_error_errno(r, "Failed to attach event to device monitor: %m"); |
505f8da7 | 215 | |
1fd3ac1e | 216 | r = sd_device_monitor_start(m->device_monitor, manager_process_uevent, m); |
505f8da7 | 217 | if (r < 0) |
d2ebf952 | 218 | return log_error_errno(r, "Failed to start device monitor: %m"); |
11a7f229 | 219 | |
505f8da7 TG |
220 | return 0; |
221 | } | |
f579559b | 222 | |
af7a86b8 YW |
223 | static int manager_listen_fds(Manager *m, int *ret_rtnl_fd) { |
224 | _cleanup_strv_free_ char **names = NULL; | |
254d1313 | 225 | int n, rtnl_fd = -EBADF; |
5fae368b | 226 | |
af7a86b8 YW |
227 | assert(m); |
228 | assert(ret_rtnl_fd); | |
229 | ||
230 | n = sd_listen_fds_with_names(/* unset_environment = */ true, &names); | |
231 | if (n < 0) | |
232 | return n; | |
233 | ||
234 | if (strv_length(names) != (size_t) n) | |
5fae368b TG |
235 | return -EINVAL; |
236 | ||
af7a86b8 YW |
237 | for (int i = 0; i < n; i++) { |
238 | int fd = i + SD_LISTEN_FDS_START; | |
239 | ||
5fae368b | 240 | if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1) > 0) { |
af7a86b8 YW |
241 | if (rtnl_fd >= 0) { |
242 | log_debug("Received multiple netlink socket, ignoring."); | |
243 | safe_close(fd); | |
244 | continue; | |
245 | } | |
5fae368b TG |
246 | |
247 | rtnl_fd = fd; | |
af7a86b8 | 248 | continue; |
5fae368b | 249 | } |
5fae368b | 250 | |
af7a86b8 YW |
251 | if (manager_add_tuntap_fd(m, fd, names[i]) >= 0) |
252 | continue; | |
253 | ||
254 | if (m->test_mode) | |
255 | safe_close(fd); | |
256 | else | |
257 | close_and_notify_warn(fd, names[i]); | |
258 | } | |
259 | ||
260 | *ret_rtnl_fd = rtnl_fd; | |
261 | return 0; | |
5fae368b TG |
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 | ||
af7a86b8 YW |
328 | static int manager_connect_rtnl(Manager *m, int fd) { |
329 | _unused_ _cleanup_close_ int fd_close = fd; | |
330 | int r; | |
505f8da7 TG |
331 | |
332 | assert(m); | |
505f8da7 | 333 | |
af7a86b8 YW |
334 | /* This takes input fd. */ |
335 | ||
5fae368b | 336 | if (fd < 0) |
1c4baffc | 337 | r = sd_netlink_open(&m->rtnl); |
5fae368b | 338 | else |
1c4baffc | 339 | r = sd_netlink_open_fd(&m->rtnl, fd); |
505f8da7 TG |
340 | if (r < 0) |
341 | return r; | |
af7a86b8 | 342 | TAKE_FD(fd_close); |
505f8da7 | 343 | |
e13af7bd YW |
344 | /* Bump receiver buffer, but only if we are not called via socket activation, as in that |
345 | * case systemd sets the receive buffer size for us, and the value in the .socket unit | |
346 | * should take full effect. */ | |
347 | if (fd < 0) { | |
78cca583 | 348 | r = sd_netlink_increase_rxbuf(m->rtnl, RCVBUF_SIZE); |
e13af7bd YW |
349 | if (r < 0) |
350 | log_warning_errno(r, "Failed to increase receive buffer size for rtnl socket, ignoring: %m"); | |
351 | } | |
f579559b | 352 | |
1c4baffc | 353 | r = sd_netlink_attach_event(m->rtnl, m->event, 0); |
505f8da7 TG |
354 | if (r < 0) |
355 | return r; | |
f579559b | 356 | |
8dfed23d | 357 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWLINK, &manager_rtnl_process_link, NULL, m, "network-rtnl_process_link"); |
5fae368b TG |
358 | if (r < 0) |
359 | return r; | |
505f8da7 | 360 | |
8dfed23d | 361 | r = netlink_add_match(m->rtnl, NULL, RTM_DELLINK, &manager_rtnl_process_link, NULL, m, "network-rtnl_process_link"); |
5fae368b TG |
362 | if (r < 0) |
363 | return r; | |
45af44d4 | 364 | |
828a81a9 YW |
365 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWQDISC, &manager_rtnl_process_qdisc, NULL, m, "network-rtnl_process_qdisc"); |
366 | if (r < 0) | |
367 | return r; | |
368 | ||
369 | r = netlink_add_match(m->rtnl, NULL, RTM_DELQDISC, &manager_rtnl_process_qdisc, NULL, m, "network-rtnl_process_qdisc"); | |
370 | if (r < 0) | |
371 | return r; | |
372 | ||
373 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWTCLASS, &manager_rtnl_process_tclass, NULL, m, "network-rtnl_process_tclass"); | |
374 | if (r < 0) | |
375 | return r; | |
376 | ||
377 | r = netlink_add_match(m->rtnl, NULL, RTM_DELTCLASS, &manager_rtnl_process_tclass, NULL, m, "network-rtnl_process_tclass"); | |
378 | if (r < 0) | |
379 | return r; | |
380 | ||
8dfed23d | 381 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWADDR, &manager_rtnl_process_address, NULL, m, "network-rtnl_process_address"); |
5fae368b TG |
382 | if (r < 0) |
383 | return r; | |
384 | ||
8dfed23d | 385 | r = netlink_add_match(m->rtnl, NULL, RTM_DELADDR, &manager_rtnl_process_address, NULL, m, "network-rtnl_process_address"); |
5fae368b TG |
386 | if (r < 0) |
387 | return r; | |
388 | ||
8dfed23d | 389 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWNEIGH, &manager_rtnl_process_neighbor, NULL, m, "network-rtnl_process_neighbor"); |
d1bdafd2 WKI |
390 | if (r < 0) |
391 | return r; | |
392 | ||
8dfed23d | 393 | r = netlink_add_match(m->rtnl, NULL, RTM_DELNEIGH, &manager_rtnl_process_neighbor, NULL, m, "network-rtnl_process_neighbor"); |
d1bdafd2 WKI |
394 | if (r < 0) |
395 | return r; | |
396 | ||
8dfed23d | 397 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWROUTE, &manager_rtnl_process_route, NULL, m, "network-rtnl_process_route"); |
1c8e710c TG |
398 | if (r < 0) |
399 | return r; | |
400 | ||
8dfed23d | 401 | r = netlink_add_match(m->rtnl, NULL, RTM_DELROUTE, &manager_rtnl_process_route, NULL, m, "network-rtnl_process_route"); |
1c8e710c TG |
402 | if (r < 0) |
403 | return r; | |
404 | ||
8dfed23d | 405 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWRULE, &manager_rtnl_process_rule, NULL, m, "network-rtnl_process_rule"); |
bce67bbe SS |
406 | if (r < 0) |
407 | return r; | |
408 | ||
8dfed23d | 409 | r = netlink_add_match(m->rtnl, NULL, RTM_DELRULE, &manager_rtnl_process_rule, NULL, m, "network-rtnl_process_rule"); |
bce67bbe SS |
410 | if (r < 0) |
411 | return r; | |
412 | ||
8dfed23d | 413 | r = netlink_add_match(m->rtnl, NULL, RTM_NEWNEXTHOP, &manager_rtnl_process_nexthop, NULL, m, "network-rtnl_process_nexthop"); |
c16c7808 SS |
414 | if (r < 0) |
415 | return r; | |
416 | ||
8dfed23d | 417 | r = netlink_add_match(m->rtnl, NULL, RTM_DELNEXTHOP, &manager_rtnl_process_nexthop, NULL, m, "network-rtnl_process_nexthop"); |
c16c7808 SS |
418 | if (r < 0) |
419 | return r; | |
420 | ||
26a8be48 | 421 | return manager_setup_rtnl_filter(m); |
45af44d4 | 422 | } |
505f8da7 | 423 | |
2e1113b7 YW |
424 | static int manager_post_handler(sd_event_source *s, void *userdata) { |
425 | Manager *manager = ASSERT_PTR(userdata); | |
84de38c5 | 426 | |
e36d8e48 | 427 | (void) manager_process_requests(manager); |
2e1113b7 YW |
428 | (void) manager_clean_all(manager); |
429 | return 0; | |
84de38c5 TG |
430 | } |
431 | ||
ab76be55 | 432 | static int signal_terminate_callback(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) { |
99534007 | 433 | Manager *m = ASSERT_PTR(userdata); |
ab76be55 | 434 | |
ab76be55 ZJS |
435 | m->restarting = false; |
436 | ||
437 | log_debug("Terminate operation initiated."); | |
438 | ||
439 | return sd_event_exit(sd_event_source_get_event(s), 0); | |
440 | } | |
441 | ||
442 | static int signal_restart_callback(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) { | |
99534007 | 443 | Manager *m = ASSERT_PTR(userdata); |
ab76be55 | 444 | |
ab76be55 ZJS |
445 | m->restarting = true; |
446 | ||
447 | log_debug("Restart operation initiated."); | |
448 | ||
449 | return sd_event_exit(sd_event_source_get_event(s), 0); | |
450 | } | |
451 | ||
0e07cdb0 LP |
452 | static int signal_reload_callback(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) { |
453 | Manager *m = ASSERT_PTR(userdata); | |
454 | ||
455 | manager_reload(m); | |
456 | ||
457 | return 0; | |
458 | } | |
459 | ||
ea853de5 YW |
460 | static int manager_set_keep_configuration(Manager *m) { |
461 | int r; | |
462 | ||
463 | assert(m); | |
464 | ||
465 | if (in_initrd()) { | |
466 | log_debug("Running in initrd, keep DHCPv4 addresses on stopping networkd by default."); | |
467 | m->keep_configuration = KEEP_CONFIGURATION_DHCP_ON_STOP; | |
468 | return 0; | |
469 | } | |
470 | ||
471 | r = path_is_network_fs("/"); | |
472 | if (r < 0) | |
473 | return log_error_errno(r, "Failed to detect if root is network filesystem: %m"); | |
474 | if (r == 0) { | |
475 | m->keep_configuration = _KEEP_CONFIGURATION_INVALID; | |
476 | return 0; | |
477 | } | |
478 | ||
479 | log_debug("Running on network filesystem, enabling KeepConfiguration= by default."); | |
480 | m->keep_configuration = KEEP_CONFIGURATION_YES; | |
481 | return 0; | |
482 | } | |
483 | ||
4c78dc17 | 484 | int manager_setup(Manager *m) { |
254d1313 | 485 | _cleanup_close_ int rtnl_fd = -EBADF; |
45af44d4 | 486 | int r; |
f579559b | 487 | |
96243149 | 488 | assert(m); |
5fae368b | 489 | |
3534a043 YW |
490 | r = sd_event_default(&m->event); |
491 | if (r < 0) | |
492 | return r; | |
493 | ||
05e21627 | 494 | (void) sd_event_set_watchdog(m->event, true); |
0e07cdb0 LP |
495 | (void) sd_event_add_signal(m->event, NULL, SIGTERM | SD_EVENT_SIGNAL_PROCMASK, signal_terminate_callback, m); |
496 | (void) sd_event_add_signal(m->event, NULL, SIGINT | SD_EVENT_SIGNAL_PROCMASK, signal_terminate_callback, m); | |
497 | (void) sd_event_add_signal(m->event, NULL, SIGUSR2 | SD_EVENT_SIGNAL_PROCMASK, signal_restart_callback, m); | |
498 | (void) sd_event_add_signal(m->event, NULL, SIGHUP | SD_EVENT_SIGNAL_PROCMASK, signal_reload_callback, m); | |
6daaeafe LP |
499 | (void) sd_event_add_signal(m->event, NULL, (SIGRTMIN+18) | SD_EVENT_SIGNAL_PROCMASK, sigrtmin18_handler, NULL); |
500 | ||
501 | r = sd_event_add_memory_pressure(m->event, NULL, NULL, NULL); | |
502 | if (r < 0) | |
503 | log_debug_errno(r, "Failed allocate memory pressure event source, ignoring: %m"); | |
5fae368b | 504 | |
2e1113b7 | 505 | r = sd_event_add_post(m->event, NULL, manager_post_handler, m); |
84de38c5 TG |
506 | if (r < 0) |
507 | return r; | |
508 | ||
af7a86b8 YW |
509 | r = manager_listen_fds(m, &rtnl_fd); |
510 | if (r < 0) | |
511 | return r; | |
512 | ||
513 | r = manager_connect_rtnl(m, TAKE_FD(rtnl_fd)); | |
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 | ||
c5c74d85 LP |
524 | r = manager_connect_varlink(m); |
525 | if (r < 0) | |
526 | return r; | |
527 | ||
96243149 YW |
528 | r = manager_connect_bus(m); |
529 | if (r < 0) | |
530 | return r; | |
531 | ||
5fae368b TG |
532 | r = manager_connect_udev(m); |
533 | if (r < 0) | |
534 | return r; | |
45af44d4 | 535 | |
05d0c2e3 JT |
536 | r = sd_resolve_default(&m->resolve); |
537 | if (r < 0) | |
538 | return r; | |
539 | ||
540 | r = sd_resolve_attach_event(m->resolve, m->event, 0); | |
541 | if (r < 0) | |
542 | return r; | |
543 | ||
ed76f585 | 544 | r = address_pool_setup_default(m); |
5fae368b TG |
545 | if (r < 0) |
546 | return r; | |
f579559b | 547 | |
ea853de5 YW |
548 | r = manager_set_keep_configuration(m); |
549 | if (r < 0) | |
550 | return r; | |
551 | ||
96243149 YW |
552 | m->state_file = strdup("/run/systemd/netif/state"); |
553 | if (!m->state_file) | |
554 | return -ENOMEM; | |
555 | ||
556 | return 0; | |
557 | } | |
558 | ||
4c78dc17 | 559 | int manager_new(Manager **ret, bool test_mode) { |
96243149 | 560 | _cleanup_(manager_freep) Manager *m = NULL; |
f579559b | 561 | |
96243149 YW |
562 | m = new(Manager, 1); |
563 | if (!m) | |
564 | return -ENOMEM; | |
565 | ||
566 | *m = (Manager) { | |
ea853de5 | 567 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, |
932ef6ec | 568 | .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO, |
4c78dc17 | 569 | .test_mode = test_mode, |
96243149 YW |
570 | .speed_meter_interval_usec = SPEED_METER_DEFAULT_TIME_INTERVAL, |
571 | .online_state = _LINK_ONLINE_STATE_INVALID, | |
572 | .manage_foreign_routes = true, | |
573 | .manage_foreign_rules = true, | |
bbc05bec | 574 | .manage_foreign_nexthops = true, |
254d1313 | 575 | .ethtool_fd = -EBADF, |
96243149 YW |
576 | .dhcp_duid.type = DUID_TYPE_EN, |
577 | .dhcp6_duid.type = DUID_TYPE_EN, | |
578 | .duid_product_uuid.type = DUID_TYPE_UUID, | |
579 | }; | |
580 | ||
581 | *ret = TAKE_PTR(m); | |
f579559b TG |
582 | return 0; |
583 | } | |
584 | ||
75db809a | 585 | Manager* manager_free(Manager *m) { |
5fae368b | 586 | Link *link; |
f579559b | 587 | |
5fae368b | 588 | if (!m) |
75db809a | 589 | return NULL; |
505f8da7 | 590 | |
5fae368b | 591 | free(m->state_file); |
505f8da7 | 592 | |
6eab614d | 593 | HASHMAP_FOREACH(link, m->links_by_index) |
2a99eed0 | 594 | (void) link_stop_engines(link, true); |
946f8e14 | 595 | |
40b12fa2 | 596 | m->request_queue = ordered_set_free(m->request_queue); |
19d9a5ad | 597 | |
c4397d94 | 598 | m->dirty_links = set_free_with_destructor(m->dirty_links, link_unref); |
9c5b8d46 | 599 | m->new_wlan_ifindices = set_free(m->new_wlan_ifindices); |
0b54c870 | 600 | m->links_by_name = hashmap_free(m->links_by_name); |
fe321d45 | 601 | m->links_by_hw_addr = hashmap_free(m->links_by_hw_addr); |
a27588d4 | 602 | m->links_by_dhcp_pd_subnet_prefix = hashmap_free(m->links_by_dhcp_pd_subnet_prefix); |
6eab614d | 603 | m->links_by_index = hashmap_free_with_destructor(m->links_by_index, link_unref); |
27dfc982 | 604 | |
a27588d4 | 605 | m->dhcp_pd_subnet_ids = set_free(m->dhcp_pd_subnet_ids); |
715d398e | 606 | m->networks = ordered_hashmap_free_with_destructor(m->networks, network_unref); |
dbffab87 | 607 | |
c4397d94 | 608 | m->netdevs = hashmap_free_with_destructor(m->netdevs, netdev_unref); |
5fae368b | 609 | |
af7a86b8 YW |
610 | m->tuntap_fds_by_name = hashmap_free(m->tuntap_fds_by_name); |
611 | ||
edb69db2 YW |
612 | m->wiphy_by_name = hashmap_free(m->wiphy_by_name); |
613 | m->wiphy_by_index = hashmap_free_with_destructor(m->wiphy_by_index, wiphy_free); | |
614 | ||
bfbf150e | 615 | ordered_set_free_free(m->address_pools); |
5fae368b | 616 | |
552b90a2 YW |
617 | hashmap_free(m->route_table_names_by_number); |
618 | hashmap_free(m->route_table_numbers_by_name); | |
c038ce46 | 619 | |
eb72fa3a | 620 | set_free(m->rules); |
bce67bbe | 621 | |
d4df6326 SS |
622 | sd_netlink_unref(m->rtnl); |
623 | sd_netlink_unref(m->genl); | |
624 | sd_resolve_unref(m->resolve); | |
625 | ||
450fa34b YW |
626 | /* reject (e.g. unreachable) type routes are managed by Manager, but may be referenced by a |
627 | * link. E.g., DHCP6 with prefix delegation creates unreachable routes, and they are referenced | |
628 | * by the upstream link. And the links may be referenced by netlink slots. Hence, two | |
629 | * set_free() must be called after the above sd_netlink_unref(). */ | |
630 | m->routes = set_free(m->routes); | |
450fa34b | 631 | |
69e244e3 | 632 | m->nexthops_by_id = hashmap_free(m->nexthops_by_id); |
fb126bb1 | 633 | m->nexthop_ids = set_free(m->nexthop_ids); |
69e244e3 | 634 | |
a879e1a4 | 635 | sd_event_source_unref(m->speed_meter_event_source); |
2f5b4a77 | 636 | sd_event_unref(m->event); |
5fae368b | 637 | |
d2ebf952 | 638 | sd_device_monitor_unref(m->device_monitor); |
7d20d375 | 639 | |
c5c74d85 LP |
640 | manager_varlink_done(m); |
641 | ||
15761549 | 642 | bus_verify_polkit_async_registry_free(m->polkit_registry); |
92e31da1 | 643 | sd_bus_flush_close_unref(m->bus); |
7d20d375 | 644 | |
7901cea1 MP |
645 | free(m->dynamic_timezone); |
646 | free(m->dynamic_hostname); | |
647 | ||
c643bda5 YW |
648 | safe_close(m->ethtool_fd); |
649 | ||
761cf19d FW |
650 | m->fw_ctx = fw_ctx_free(m->fw_ctx); |
651 | ||
75db809a | 652 | return mfree(m); |
5fae368b TG |
653 | } |
654 | ||
b76d99d9 | 655 | int manager_start(Manager *m) { |
84de38c5 | 656 | Link *link; |
a879e1a4 | 657 | int r; |
84de38c5 | 658 | |
a97dcc12 TG |
659 | assert(m); |
660 | ||
a879e1a4 YW |
661 | r = manager_start_speed_meter(m); |
662 | if (r < 0) | |
663 | return log_error_errno(r, "Failed to initialize speed meter: %m"); | |
664 | ||
84de38c5 TG |
665 | /* The dirty handler will deal with future serialization, but the first one |
666 | must be done explicitly. */ | |
667 | ||
d23a66f2 YW |
668 | r = manager_save(m); |
669 | if (r < 0) | |
670 | log_warning_errno(r, "Failed to update state file %s, ignoring: %m", m->state_file); | |
84de38c5 | 671 | |
6eab614d | 672 | HASHMAP_FOREACH(link, m->links_by_index) { |
ac4a6950 | 673 | r = link_save_and_clean(link); |
d23a66f2 YW |
674 | if (r < 0) |
675 | log_link_warning_errno(link, r, "Failed to update link state file %s, ignoring: %m", link->state_file); | |
676 | } | |
84de38c5 | 677 | |
b76d99d9 | 678 | return 0; |
a97dcc12 TG |
679 | } |
680 | ||
5fae368b TG |
681 | int manager_load_config(Manager *m) { |
682 | int r; | |
683 | ||
e272b621 | 684 | r = netdev_load(m, false); |
f579559b TG |
685 | if (r < 0) |
686 | return r; | |
687 | ||
af7a86b8 YW |
688 | manager_clear_unmanaged_tuntap_fds(m); |
689 | ||
7f06b3e1 | 690 | r = network_load(m, &m->networks); |
9021bb9f TG |
691 | if (r < 0) |
692 | return r; | |
693 | ||
fb126bb1 YW |
694 | r = manager_build_dhcp_pd_subnet_ids(m); |
695 | if (r < 0) | |
696 | return r; | |
697 | ||
698 | r = manager_build_nexthop_ids(m); | |
699 | if (r < 0) | |
700 | return r; | |
701 | ||
702 | return 0; | |
f579559b | 703 | } |
f882c247 | 704 | |
41476186 | 705 | int manager_enumerate_internal( |
446aaaf3 | 706 | Manager *m, |
bdcd4ab2 | 707 | sd_netlink *nl, |
446aaaf3 | 708 | sd_netlink_message *req, |
f12629ae | 709 | int (*process)(sd_netlink *, sd_netlink_message *, Manager *)) { |
446aaaf3 YW |
710 | |
711 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *reply = NULL; | |
1339b950 | 712 | int r; |
f882c247 | 713 | |
5da8149f | 714 | assert(m); |
bdcd4ab2 | 715 | assert(nl); |
446aaaf3 YW |
716 | assert(req); |
717 | assert(process); | |
f882c247 | 718 | |
24c0f385 | 719 | r = sd_netlink_message_set_request_dump(req, true); |
dd3efc09 TG |
720 | if (r < 0) |
721 | return r; | |
722 | ||
bdcd4ab2 | 723 | r = sd_netlink_call(nl, req, 0, &reply); |
f12629ae | 724 | if (r < 0) |
f2236469 TG |
725 | return r; |
726 | ||
a6b08423 | 727 | m->enumerating = true; |
1339b950 ZJS |
728 | for (sd_netlink_message *reply_one = reply; reply_one; reply_one = sd_netlink_message_next(reply_one)) |
729 | RET_GATHER(r, process(nl, reply_one, m)); | |
a6b08423 | 730 | m->enumerating = false; |
2e9f08ea | 731 | |
5fae368b | 732 | return r; |
f882c247 | 733 | } |
3bef724f | 734 | |
446aaaf3 YW |
735 | static int manager_enumerate_links(Manager *m) { |
736 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
1346b1f0 TG |
737 | int r; |
738 | ||
5fae368b TG |
739 | assert(m); |
740 | assert(m->rtnl); | |
bcbca829 | 741 | |
446aaaf3 | 742 | r = sd_rtnl_message_new_link(m->rtnl, &req, RTM_GETLINK, 0); |
5fae368b TG |
743 | if (r < 0) |
744 | return r; | |
745 | ||
11cee6ef YW |
746 | r = manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_link); |
747 | if (r < 0) | |
748 | return r; | |
749 | ||
750 | req = sd_netlink_message_unref(req); | |
751 | ||
752 | r = sd_rtnl_message_new_link(m->rtnl, &req, RTM_GETLINK, 0); | |
753 | if (r < 0) | |
754 | return r; | |
755 | ||
756 | r = sd_rtnl_message_link_set_family(req, AF_BRIDGE); | |
757 | if (r < 0) | |
758 | return r; | |
759 | ||
f12629ae | 760 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_link); |
446aaaf3 | 761 | } |
5fae368b | 762 | |
828a81a9 YW |
763 | static int manager_enumerate_qdisc(Manager *m) { |
764 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
765 | int r; | |
766 | ||
767 | assert(m); | |
768 | assert(m->rtnl); | |
769 | ||
770 | r = sd_rtnl_message_new_traffic_control(m->rtnl, &req, RTM_GETQDISC, 0, 0, 0); | |
771 | if (r < 0) | |
772 | return r; | |
773 | ||
774 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_qdisc); | |
775 | } | |
776 | ||
777 | static int manager_enumerate_tclass(Manager *m) { | |
41476186 YW |
778 | Link *link; |
779 | int r = 0; | |
828a81a9 YW |
780 | |
781 | assert(m); | |
782 | assert(m->rtnl); | |
783 | ||
41476186 YW |
784 | /* TC class can be enumerated only per link. See tc_dump_tclass() in net/sched/sched_api.c. */ |
785 | ||
786 | HASHMAP_FOREACH(link, m->links_by_index) | |
787 | RET_GATHER(r, link_enumerate_tclass(link, 0)); | |
828a81a9 | 788 | |
41476186 | 789 | return r; |
828a81a9 YW |
790 | } |
791 | ||
446aaaf3 YW |
792 | static int manager_enumerate_addresses(Manager *m) { |
793 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
794 | int r; | |
6a24f148 | 795 | |
446aaaf3 YW |
796 | assert(m); |
797 | assert(m->rtnl); | |
6a24f148 | 798 | |
446aaaf3 YW |
799 | r = sd_rtnl_message_new_addr(m->rtnl, &req, RTM_GETADDR, 0, 0); |
800 | if (r < 0) | |
801 | return r; | |
5fae368b | 802 | |
f12629ae | 803 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_address); |
1346b1f0 | 804 | } |
d1bdafd2 | 805 | |
446aaaf3 YW |
806 | static int manager_enumerate_neighbors(Manager *m) { |
807 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
d1bdafd2 WKI |
808 | int r; |
809 | ||
810 | assert(m); | |
811 | assert(m->rtnl); | |
812 | ||
813 | r = sd_rtnl_message_new_neigh(m->rtnl, &req, RTM_GETNEIGH, 0, AF_UNSPEC); | |
814 | if (r < 0) | |
815 | return r; | |
816 | ||
f12629ae | 817 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_neighbor); |
d1bdafd2 | 818 | } |
1346b1f0 | 819 | |
446aaaf3 YW |
820 | static int manager_enumerate_routes(Manager *m) { |
821 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
1c8e710c TG |
822 | int r; |
823 | ||
824 | assert(m); | |
825 | assert(m->rtnl); | |
826 | ||
5ff1ef31 YW |
827 | if (!m->manage_foreign_routes) |
828 | return 0; | |
829 | ||
1c8e710c TG |
830 | r = sd_rtnl_message_new_route(m->rtnl, &req, RTM_GETROUTE, 0, 0); |
831 | if (r < 0) | |
832 | return r; | |
833 | ||
f12629ae | 834 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_route); |
1c8e710c TG |
835 | } |
836 | ||
446aaaf3 YW |
837 | static int manager_enumerate_rules(Manager *m) { |
838 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
bce67bbe SS |
839 | int r; |
840 | ||
841 | assert(m); | |
842 | assert(m->rtnl); | |
843 | ||
d94dfe70 YW |
844 | if (!m->manage_foreign_rules) |
845 | return 0; | |
846 | ||
bce67bbe SS |
847 | r = sd_rtnl_message_new_routing_policy_rule(m->rtnl, &req, RTM_GETRULE, 0); |
848 | if (r < 0) | |
849 | return r; | |
850 | ||
f12629ae | 851 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_rule); |
bce67bbe SS |
852 | } |
853 | ||
446aaaf3 YW |
854 | static int manager_enumerate_nexthop(Manager *m) { |
855 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
c16c7808 SS |
856 | int r; |
857 | ||
858 | assert(m); | |
859 | assert(m->rtnl); | |
860 | ||
bbc05bec YW |
861 | if (!m->manage_foreign_nexthops) |
862 | return 0; | |
863 | ||
c16c7808 SS |
864 | r = sd_rtnl_message_new_nexthop(m->rtnl, &req, RTM_GETNEXTHOP, 0, 0); |
865 | if (r < 0) | |
866 | return r; | |
867 | ||
f12629ae | 868 | return manager_enumerate_internal(m, m->rtnl, req, manager_rtnl_process_nexthop); |
446aaaf3 | 869 | } |
c16c7808 | 870 | |
edb69db2 YW |
871 | static int manager_enumerate_nl80211_wiphy(Manager *m) { |
872 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
873 | int r; | |
874 | ||
875 | assert(m); | |
876 | assert(m->genl); | |
877 | ||
878 | r = sd_genl_message_new(m->genl, NL80211_GENL_NAME, NL80211_CMD_GET_WIPHY, &req); | |
879 | if (r < 0) | |
880 | return r; | |
881 | ||
882 | return manager_enumerate_internal(m, m->genl, req, manager_genl_process_nl80211_wiphy); | |
883 | } | |
884 | ||
96f5f9ef YW |
885 | static int manager_enumerate_nl80211_config(Manager *m) { |
886 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
887 | int r; | |
888 | ||
889 | assert(m); | |
890 | assert(m->genl); | |
891 | ||
892 | r = sd_genl_message_new(m->genl, NL80211_GENL_NAME, NL80211_CMD_GET_INTERFACE, &req); | |
893 | if (r < 0) | |
894 | return r; | |
895 | ||
896 | return manager_enumerate_internal(m, m->genl, req, manager_genl_process_nl80211_config); | |
897 | } | |
898 | ||
899 | static int manager_enumerate_nl80211_mlme(Manager *m) { | |
900 | Link *link; | |
901 | int r; | |
902 | ||
903 | assert(m); | |
904 | assert(m->genl); | |
905 | ||
906 | HASHMAP_FOREACH(link, m->links_by_index) { | |
907 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; | |
908 | ||
909 | if (link->wlan_iftype != NL80211_IFTYPE_STATION) | |
910 | continue; | |
911 | ||
912 | r = sd_genl_message_new(m->genl, NL80211_GENL_NAME, NL80211_CMD_GET_STATION, &req); | |
913 | if (r < 0) | |
914 | return r; | |
915 | ||
916 | r = sd_netlink_message_append_u32(req, NL80211_ATTR_IFINDEX, link->ifindex); | |
917 | if (r < 0) | |
918 | return r; | |
919 | ||
920 | r = manager_enumerate_internal(m, m->genl, req, manager_genl_process_nl80211_mlme); | |
921 | if (r < 0) | |
922 | return r; | |
923 | } | |
924 | ||
925 | return 0; | |
926 | } | |
927 | ||
446aaaf3 YW |
928 | int manager_enumerate(Manager *m) { |
929 | int r; | |
c16c7808 | 930 | |
446aaaf3 YW |
931 | r = manager_enumerate_links(m); |
932 | if (r < 0) | |
933 | return log_error_errno(r, "Could not enumerate links: %m"); | |
c16c7808 | 934 | |
828a81a9 | 935 | r = manager_enumerate_qdisc(m); |
15ac2a62 YW |
936 | if (r == -EOPNOTSUPP) |
937 | log_debug_errno(r, "Could not enumerate QDiscs, ignoring: %m"); | |
938 | else if (r < 0) | |
828a81a9 YW |
939 | return log_error_errno(r, "Could not enumerate QDisc: %m"); |
940 | ||
941 | r = manager_enumerate_tclass(m); | |
15ac2a62 YW |
942 | if (r == -EOPNOTSUPP) |
943 | log_debug_errno(r, "Could not enumerate TClasses, ignoring: %m"); | |
944 | else if (r < 0) | |
828a81a9 YW |
945 | return log_error_errno(r, "Could not enumerate TClass: %m"); |
946 | ||
446aaaf3 YW |
947 | r = manager_enumerate_addresses(m); |
948 | if (r < 0) | |
949 | return log_error_errno(r, "Could not enumerate addresses: %m"); | |
c16c7808 | 950 | |
446aaaf3 YW |
951 | r = manager_enumerate_neighbors(m); |
952 | if (r < 0) | |
953 | return log_error_errno(r, "Could not enumerate neighbors: %m"); | |
c16c7808 | 954 | |
f12629ae YW |
955 | /* NextHop support is added in kernel v5.3 (65ee00a9409f751188a8cdc0988167858eb4a536), |
956 | * and older kernels return -EOPNOTSUPP, or -EINVAL if SELinux is enabled. */ | |
0c0585ca | 957 | r = manager_enumerate_nexthop(m); |
f12629ae YW |
958 | if (r == -EOPNOTSUPP || (r == -EINVAL && mac_selinux_enforcing())) |
959 | log_debug_errno(r, "Could not enumerate nexthops, ignoring: %m"); | |
960 | else if (r < 0) | |
961 | return log_error_errno(r, "Could not enumerate nexthops: %m"); | |
0c0585ca | 962 | |
446aaaf3 YW |
963 | r = manager_enumerate_routes(m); |
964 | if (r < 0) | |
965 | return log_error_errno(r, "Could not enumerate routes: %m"); | |
c16c7808 | 966 | |
f12629ae | 967 | /* If kernel is built with CONFIG_FIB_RULES=n, it returns -EOPNOTSUPP. */ |
446aaaf3 | 968 | r = manager_enumerate_rules(m); |
f12629ae YW |
969 | if (r == -EOPNOTSUPP) |
970 | log_debug_errno(r, "Could not enumerate routing policy rules, ignoring: %m"); | |
971 | else if (r < 0) | |
446aaaf3 | 972 | return log_error_errno(r, "Could not enumerate routing policy rules: %m"); |
c16c7808 | 973 | |
edb69db2 YW |
974 | r = manager_enumerate_nl80211_wiphy(m); |
975 | if (r == -EOPNOTSUPP) | |
976 | log_debug_errno(r, "Could not enumerate wireless LAN phy, ignoring: %m"); | |
977 | else if (r < 0) | |
978 | return log_error_errno(r, "Could not enumerate wireless LAN phy: %m"); | |
979 | ||
96f5f9ef YW |
980 | r = manager_enumerate_nl80211_config(m); |
981 | if (r == -EOPNOTSUPP) | |
982 | log_debug_errno(r, "Could not enumerate wireless LAN interfaces, ignoring: %m"); | |
983 | else if (r < 0) | |
984 | return log_error_errno(r, "Could not enumerate wireless LAN interfaces: %m"); | |
985 | ||
986 | r = manager_enumerate_nl80211_mlme(m); | |
987 | if (r == -EOPNOTSUPP) | |
988 | log_debug_errno(r, "Could not enumerate wireless LAN stations, ignoring: %m"); | |
989 | else if (r < 0) | |
990 | return log_error_errno(r, "Could not enumerate wireless LAN stations: %m"); | |
991 | ||
446aaaf3 | 992 | return 0; |
c16c7808 SS |
993 | } |
994 | ||
59eb33e0 | 995 | static int set_hostname_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { |
59eb33e0 | 996 | const sd_bus_error *e; |
f63e09ef | 997 | int r; |
59eb33e0 MP |
998 | |
999 | assert(m); | |
59eb33e0 MP |
1000 | |
1001 | e = sd_bus_message_get_error(m); | |
f63e09ef YW |
1002 | if (e) { |
1003 | r = sd_bus_error_get_errno(e); | |
1004 | log_warning_errno(r, "Could not set hostname: %s", bus_error_message(e, r)); | |
1005 | } | |
59eb33e0 MP |
1006 | |
1007 | return 1; | |
1008 | } | |
1009 | ||
1010 | int manager_set_hostname(Manager *m, const char *hostname) { | |
1011 | int r; | |
1012 | ||
1013 | log_debug("Setting transient hostname: '%s'", strna(hostname)); | |
d7afd945 | 1014 | |
b3f9c17a YW |
1015 | r = free_and_strdup_warn(&m->dynamic_hostname, hostname); |
1016 | if (r < 0) | |
1017 | return r; | |
59eb33e0 | 1018 | |
5dbec9bd ZJS |
1019 | if (sd_bus_is_ready(m->bus) <= 0) { |
1020 | log_debug("Not connected to system bus, setting system hostname later."); | |
59eb33e0 MP |
1021 | return 0; |
1022 | } | |
1023 | ||
d2775306 | 1024 | r = bus_call_method_async( |
59eb33e0 MP |
1025 | m->bus, |
1026 | NULL, | |
d2775306 | 1027 | bus_hostname, |
59eb33e0 MP |
1028 | "SetHostname", |
1029 | set_hostname_handler, | |
1030 | m, | |
1031 | "sb", | |
1032 | hostname, | |
1033 | false); | |
59eb33e0 MP |
1034 | if (r < 0) |
1035 | return log_error_errno(r, "Could not set transient hostname: %m"); | |
1036 | ||
1037 | return 0; | |
1038 | } | |
1039 | ||
1040 | static int set_timezone_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { | |
59eb33e0 | 1041 | const sd_bus_error *e; |
f63e09ef | 1042 | int r; |
59eb33e0 MP |
1043 | |
1044 | assert(m); | |
59eb33e0 MP |
1045 | |
1046 | e = sd_bus_message_get_error(m); | |
f63e09ef YW |
1047 | if (e) { |
1048 | r = sd_bus_error_get_errno(e); | |
1049 | log_warning_errno(r, "Could not set timezone: %s", bus_error_message(e, r)); | |
1050 | } | |
59eb33e0 MP |
1051 | |
1052 | return 1; | |
1053 | } | |
1054 | ||
1055 | int manager_set_timezone(Manager *m, const char *tz) { | |
1056 | int r; | |
1057 | ||
1058 | assert(m); | |
1059 | assert(tz); | |
1060 | ||
1061 | log_debug("Setting system timezone: '%s'", tz); | |
b3f9c17a YW |
1062 | r = free_and_strdup_warn(&m->dynamic_timezone, tz); |
1063 | if (r < 0) | |
1064 | return r; | |
59eb33e0 | 1065 | |
5dbec9bd ZJS |
1066 | if (sd_bus_is_ready(m->bus) <= 0) { |
1067 | log_debug("Not connected to system bus, setting system timezone later."); | |
59eb33e0 MP |
1068 | return 0; |
1069 | } | |
1070 | ||
b607fd3f | 1071 | r = bus_call_method_async( |
59eb33e0 MP |
1072 | m->bus, |
1073 | NULL, | |
b607fd3f | 1074 | bus_timedate, |
59eb33e0 MP |
1075 | "SetTimezone", |
1076 | set_timezone_handler, | |
1077 | m, | |
1078 | "sb", | |
1079 | tz, | |
1080 | false); | |
1081 | if (r < 0) | |
1082 | return log_error_errno(r, "Could not set timezone: %m"); | |
1083 | ||
1084 | return 0; | |
1085 | } | |
0e07cdb0 LP |
1086 | |
1087 | int manager_reload(Manager *m) { | |
1088 | Link *link; | |
1089 | int r; | |
1090 | ||
1091 | assert(m); | |
1092 | ||
1093 | (void) sd_notifyf(/* unset= */ false, | |
1094 | "RELOADING=1\n" | |
1095 | "STATUS=Reloading configuration...\n" | |
1096 | "MONOTONIC_USEC=" USEC_FMT, now(CLOCK_MONOTONIC)); | |
1097 | ||
1098 | r = netdev_load(m, /* reload= */ true); | |
1099 | if (r < 0) | |
1100 | goto finish; | |
1101 | ||
1102 | r = network_reload(m); | |
1103 | if (r < 0) | |
1104 | goto finish; | |
1105 | ||
1106 | HASHMAP_FOREACH(link, m->links_by_index) { | |
1107 | r = link_reconfigure(link, /* force = */ false); | |
1108 | if (r < 0) | |
1109 | goto finish; | |
1110 | } | |
1111 | ||
1112 | r = 0; | |
1113 | finish: | |
1114 | (void) sd_notify(/* unset= */ false, NOTIFY_READY); | |
1115 | return r; | |
1116 | } |