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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
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> |
3bef724f | 8 | |
fc2f9534 | 9 | #include "sd-daemon.h" |
07630cea | 10 | #include "sd-netlink.h" |
fc2f9534 | 11 | |
b5efdb8a | 12 | #include "alloc-util.h" |
a97dcc12 | 13 | #include "bus-util.h" |
07630cea | 14 | #include "conf-parser.h" |
a97dcc12 | 15 | #include "def.h" |
a7f95575 | 16 | #include "device-private.h" |
21486d9e | 17 | #include "device-util.h" |
482d1aeb | 18 | #include "dns-domain.h" |
3ffd4af2 | 19 | #include "fd-util.h" |
0d39fa9c | 20 | #include "fileio.h" |
4f5f911e | 21 | #include "local-addresses.h" |
07630cea | 22 | #include "netlink-util.h" |
dc0d4078 | 23 | #include "network-internal.h" |
ca5ad760 | 24 | #include "networkd-dhcp6.h" |
6a1af3d4 | 25 | #include "networkd-link-bus.h" |
79a59fa5 | 26 | #include "networkd-manager-bus.h" |
23f53b99 | 27 | #include "networkd-manager.h" |
ceac2c2b | 28 | #include "networkd-network-bus.h" |
a879e1a4 | 29 | #include "networkd-speed-meter.h" |
00616955 | 30 | #include "ordered-set.h" |
07630cea LP |
31 | #include "path-util.h" |
32 | #include "set.h" | |
21486d9e | 33 | #include "strv.h" |
4b600505 | 34 | #include "sysctl-util.h" |
e4de7287 | 35 | #include "tmpfile-util.h" |
299ad32d | 36 | #include "udev-util.h" |
07630cea | 37 | #include "virt.h" |
505f8da7 | 38 | |
be660c37 AR |
39 | /* use 8 MB for receive socket kernel queue. */ |
40 | #define RCVBUF_SIZE (8*1024*1024) | |
41 | ||
11bf3cce LP |
42 | static int setup_default_address_pool(Manager *m) { |
43 | AddressPool *p; | |
44 | int r; | |
45 | ||
46 | assert(m); | |
47 | ||
48 | /* Add in the well-known private address ranges. */ | |
49 | ||
f2efbeaf | 50 | r = address_pool_new_from_string(m, &p, AF_INET6, "fd00::", 8); |
11bf3cce LP |
51 | if (r < 0) |
52 | return r; | |
53 | ||
b085cd37 | 54 | r = address_pool_new_from_string(m, &p, AF_INET, "10.0.0.0", 8); |
11bf3cce LP |
55 | if (r < 0) |
56 | return r; | |
57 | ||
58 | r = address_pool_new_from_string(m, &p, AF_INET, "172.16.0.0", 12); | |
59 | if (r < 0) | |
60 | return r; | |
61 | ||
b085cd37 | 62 | r = address_pool_new_from_string(m, &p, AF_INET, "192.168.0.0", 16); |
11bf3cce LP |
63 | if (r < 0) |
64 | return r; | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
9c0a72f9 TG |
69 | static int manager_reset_all(Manager *m) { |
70 | Link *link; | |
71 | Iterator i; | |
72 | int r; | |
73 | ||
74 | assert(m); | |
75 | ||
76 | HASHMAP_FOREACH(link, m->links, i) { | |
77 | r = link_carrier_reset(link); | |
78 | if (r < 0) | |
2f3cf1f9 | 79 | log_link_warning_errno(link, r, "Could not reset carrier: %m"); |
9c0a72f9 TG |
80 | } |
81 | ||
82 | return 0; | |
83 | } | |
84 | ||
19070062 | 85 | static int match_prepare_for_sleep(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) { |
9c0a72f9 TG |
86 | Manager *m = userdata; |
87 | int b, r; | |
88 | ||
19070062 | 89 | assert(message); |
d7afd945 | 90 | assert(m); |
9c0a72f9 TG |
91 | |
92 | r = sd_bus_message_read(message, "b", &b); | |
93 | if (r < 0) { | |
94 | log_debug_errno(r, "Failed to parse PrepareForSleep signal: %m"); | |
95 | return 0; | |
96 | } | |
97 | ||
98 | if (b) | |
99 | return 0; | |
100 | ||
101 | log_debug("Coming back from suspend, resetting all connections..."); | |
102 | ||
e1694a75 | 103 | (void) manager_reset_all(m); |
9c0a72f9 TG |
104 | |
105 | return 0; | |
106 | } | |
107 | ||
d7afd945 LP |
108 | static int on_connected(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) { |
109 | Manager *m = userdata; | |
9c0a72f9 | 110 | |
d7afd945 | 111 | assert(message); |
9c0a72f9 TG |
112 | assert(m); |
113 | ||
d7afd945 LP |
114 | /* Did we get a timezone or transient hostname from DHCP while D-Bus wasn't up yet? */ |
115 | if (m->dynamic_hostname) | |
116 | (void) manager_set_hostname(m, m->dynamic_hostname); | |
117 | if (m->dynamic_timezone) | |
118 | (void) manager_set_timezone(m, m->dynamic_timezone); | |
27dfc982 YW |
119 | if (m->links_requesting_uuid) |
120 | (void) manager_request_product_uuid(m, NULL); | |
9c0a72f9 | 121 | |
d7afd945 LP |
122 | return 0; |
123 | } | |
9c0a72f9 | 124 | |
d7afd945 LP |
125 | int manager_connect_bus(Manager *m) { |
126 | int r; | |
127 | ||
128 | assert(m); | |
9c0a72f9 | 129 | |
d7afd945 | 130 | if (m->bus) |
9c0a72f9 | 131 | return 0; |
7d6884b6 | 132 | |
621e4509 | 133 | r = bus_open_system_watch_bind_with_description(&m->bus, "bus-api-network"); |
9c0a72f9 | 134 | if (r < 0) |
d7afd945 | 135 | return log_error_errno(r, "Failed to connect to bus: %m"); |
9c0a72f9 | 136 | |
e331e246 TG |
137 | r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/network1", "org.freedesktop.network1.Manager", manager_vtable, m); |
138 | if (r < 0) | |
139 | return log_error_errno(r, "Failed to add manager object vtable: %m"); | |
140 | ||
141 | r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/network1/link", "org.freedesktop.network1.Link", link_vtable, link_object_find, m); | |
142 | if (r < 0) | |
143 | return log_error_errno(r, "Failed to add link object vtable: %m"); | |
144 | ||
145 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/network1/link", link_node_enumerator, m); | |
146 | if (r < 0) | |
147 | return log_error_errno(r, "Failed to add link enumerator: %m"); | |
3175fcde TG |
148 | |
149 | r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/network1/network", "org.freedesktop.network1.Network", network_vtable, network_object_find, m); | |
150 | if (r < 0) | |
151 | return log_error_errno(r, "Failed to add network object vtable: %m"); | |
152 | ||
153 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/network1/network", network_node_enumerator, m); | |
154 | if (r < 0) | |
155 | return log_error_errno(r, "Failed to add network enumerator: %m"); | |
e331e246 | 156 | |
696fc836 | 157 | r = sd_bus_request_name_async(m->bus, NULL, "org.freedesktop.network1", 0, NULL, NULL); |
e331e246 | 158 | if (r < 0) |
0c0b9306 | 159 | return log_error_errno(r, "Failed to request name: %m"); |
e331e246 TG |
160 | |
161 | r = sd_bus_attach_event(m->bus, m->event, 0); | |
162 | if (r < 0) | |
163 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
164 | ||
d7afd945 LP |
165 | r = sd_bus_match_signal_async( |
166 | m->bus, | |
cad43595 | 167 | NULL, |
d7afd945 LP |
168 | "org.freedesktop.DBus.Local", |
169 | NULL, | |
170 | "org.freedesktop.DBus.Local", | |
171 | "Connected", | |
172 | on_connected, NULL, m); | |
173 | if (r < 0) | |
174 | return log_error_errno(r, "Failed to request match on Connected signal: %m"); | |
175 | ||
176 | r = sd_bus_match_signal_async( | |
177 | m->bus, | |
cad43595 | 178 | NULL, |
d7afd945 LP |
179 | "org.freedesktop.login1", |
180 | "/org/freedesktop/login1", | |
181 | "org.freedesktop.login1.Manager", | |
182 | "PrepareForSleep", | |
183 | match_prepare_for_sleep, NULL, m); | |
184 | if (r < 0) | |
185 | log_warning_errno(r, "Failed to request match for PrepareForSleep, ignoring: %m"); | |
7901cea1 | 186 | |
9c0a72f9 TG |
187 | return 0; |
188 | } | |
189 | ||
d2ebf952 YW |
190 | static int manager_udev_process_link(sd_device_monitor *monitor, sd_device *device, void *userdata) { |
191 | Manager *m = userdata; | |
a7f95575 | 192 | DeviceAction action; |
5fae368b TG |
193 | Link *link = NULL; |
194 | int r, ifindex; | |
5544ee85 | 195 | |
5fae368b TG |
196 | assert(m); |
197 | assert(device); | |
5544ee85 | 198 | |
a7f95575 | 199 | r = device_get_action(device, &action); |
21486d9e | 200 | if (r < 0) { |
a7f95575 | 201 | log_device_debug_errno(device, r, "Failed to get udev action, ignoring device: %m"); |
5fae368b | 202 | return 0; |
21486d9e YW |
203 | } |
204 | ||
a7f95575 YW |
205 | if (!IN_SET(action, DEVICE_ACTION_ADD, DEVICE_ACTION_CHANGE, DEVICE_ACTION_MOVE)) { |
206 | log_device_debug(device, "Ignoring udev %s event for device.", device_action_to_string(action)); | |
21486d9e YW |
207 | return 0; |
208 | } | |
5544ee85 | 209 | |
51517f9e | 210 | r = sd_device_get_ifindex(device, &ifindex); |
7606377e | 211 | if (r < 0) { |
21486d9e | 212 | log_device_debug_errno(device, r, "Ignoring udev ADD event for device without ifindex or with invalid ifindex: %m"); |
5fae368b | 213 | return 0; |
5544ee85 TG |
214 | } |
215 | ||
299ad32d YW |
216 | r = device_is_renaming(device); |
217 | if (r < 0) { | |
a7f95575 YW |
218 | log_device_error_errno(device, r, "Failed to determine the device is renamed or not, ignoring '%s' uevent: %m", |
219 | device_action_to_string(action)); | |
299ad32d YW |
220 | return 0; |
221 | } | |
222 | if (r > 0) { | |
223 | log_device_debug(device, "Interface is under renaming, wait for the interface to be renamed: %m"); | |
224 | return 0; | |
225 | } | |
226 | ||
5fae368b | 227 | r = link_get(m, ifindex, &link); |
d2ebf952 YW |
228 | if (r < 0) { |
229 | if (r != -ENODEV) | |
230 | log_debug_errno(r, "Failed to get link from ifindex %i, ignoring: %m", ifindex); | |
5fae368b | 231 | return 0; |
d2ebf952 | 232 | } |
02b59d57 | 233 | |
d2ebf952 | 234 | (void) link_initialized(link, device); |
e1694a75 | 235 | |
f579559b TG |
236 | return 0; |
237 | } | |
238 | ||
5fae368b TG |
239 | static int manager_connect_udev(Manager *m) { |
240 | int r; | |
f579559b | 241 | |
5fae368b TG |
242 | /* udev does not initialize devices inside containers, |
243 | * so we rely on them being already initialized before | |
244 | * entering the container */ | |
75f86906 | 245 | if (detect_container() > 0) |
5fae368b | 246 | return 0; |
f579559b | 247 | |
d2ebf952 | 248 | r = sd_device_monitor_new(&m->device_monitor); |
02b59d57 | 249 | if (r < 0) |
d2ebf952 | 250 | return log_error_errno(r, "Failed to initialize device monitor: %m"); |
02b59d57 | 251 | |
d2ebf952 YW |
252 | r = sd_device_monitor_filter_add_match_subsystem_devtype(m->device_monitor, "net", NULL); |
253 | if (r < 0) | |
254 | return log_error_errno(r, "Could not add device monitor filter: %m"); | |
505f8da7 | 255 | |
deb2b734 | 256 | r = sd_device_monitor_attach_event(m->device_monitor, m->event); |
5fae368b | 257 | if (r < 0) |
d2ebf952 | 258 | return log_error_errno(r, "Failed to attach event to device monitor: %m"); |
505f8da7 | 259 | |
deb2b734 | 260 | r = sd_device_monitor_start(m->device_monitor, manager_udev_process_link, m); |
505f8da7 | 261 | if (r < 0) |
d2ebf952 | 262 | return log_error_errno(r, "Failed to start device monitor: %m"); |
11a7f229 | 263 | |
505f8da7 TG |
264 | return 0; |
265 | } | |
f579559b | 266 | |
1c8e710c TG |
267 | int manager_rtnl_process_route(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) { |
268 | Manager *m = userdata; | |
269 | Link *link = NULL; | |
270 | uint16_t type; | |
271 | uint32_t ifindex, priority = 0; | |
983226f3 | 272 | unsigned char protocol, scope, tos, table, rt_type; |
1c8e710c TG |
273 | int family; |
274 | unsigned char dst_prefixlen, src_prefixlen; | |
67a46833 | 275 | union in_addr_union dst = IN_ADDR_NULL, gw = IN_ADDR_NULL, src = IN_ADDR_NULL, prefsrc = IN_ADDR_NULL; |
1c8e710c TG |
276 | Route *route = NULL; |
277 | int r; | |
278 | ||
279 | assert(rtnl); | |
280 | assert(message); | |
281 | assert(m); | |
282 | ||
283 | if (sd_netlink_message_is_error(message)) { | |
284 | r = sd_netlink_message_get_errno(message); | |
285 | if (r < 0) | |
7f474ed7 | 286 | log_warning_errno(r, "rtnl: failed to receive route message, ignoring: %m"); |
1c8e710c TG |
287 | |
288 | return 0; | |
289 | } | |
290 | ||
291 | r = sd_netlink_message_get_type(message, &type); | |
292 | if (r < 0) { | |
e1694a75 | 293 | log_warning_errno(r, "rtnl: could not get message type, ignoring: %m"); |
1c8e710c | 294 | return 0; |
25a1bffc | 295 | } else if (!IN_SET(type, RTM_NEWROUTE, RTM_DELROUTE)) { |
7f474ed7 | 296 | log_warning("rtnl: received unexpected message type %u when processing route, ignoring.", type); |
1c8e710c TG |
297 | return 0; |
298 | } | |
299 | ||
300 | r = sd_netlink_message_read_u32(message, RTA_OIF, &ifindex); | |
301 | if (r == -ENODATA) { | |
39f26098 | 302 | log_debug("rtnl: received route message without ifindex, ignoring"); |
1c8e710c TG |
303 | return 0; |
304 | } else if (r < 0) { | |
7f474ed7 | 305 | log_warning_errno(r, "rtnl: could not get ifindex from route message, ignoring: %m"); |
1c8e710c TG |
306 | return 0; |
307 | } else if (ifindex <= 0) { | |
7f474ed7 YW |
308 | log_warning("rtnl: received route message with invalid ifindex %d, ignoring.", ifindex); |
309 | return 0; | |
310 | } | |
311 | ||
312 | r = link_get(m, ifindex, &link); | |
313 | if (r < 0 || !link) { | |
314 | /* when enumerating we might be out of sync, but we will | |
315 | * get the route again, so just ignore it */ | |
316 | if (!m->enumerating) | |
39f26098 | 317 | log_warning("rtnl: received route message for link (%d) we do not know about, ignoring", ifindex); |
7f474ed7 | 318 | return 0; |
1c8e710c TG |
319 | } |
320 | ||
321 | r = sd_rtnl_message_route_get_family(message, &family); | |
322 | if (r < 0 || !IN_SET(family, AF_INET, AF_INET6)) { | |
7f474ed7 | 323 | log_link_warning(link, "rtnl: received route message with invalid family, ignoring"); |
1c8e710c TG |
324 | return 0; |
325 | } | |
326 | ||
327 | r = sd_rtnl_message_route_get_protocol(message, &protocol); | |
328 | if (r < 0) { | |
7f474ed7 | 329 | log_warning_errno(r, "rtnl: received route message with invalid route protocol: %m"); |
1c8e710c TG |
330 | return 0; |
331 | } | |
332 | ||
333 | switch (family) { | |
334 | case AF_INET: | |
335 | r = sd_netlink_message_read_in_addr(message, RTA_DST, &dst.in); | |
336 | if (r < 0 && r != -ENODATA) { | |
7f474ed7 | 337 | log_link_warning_errno(link, r, "rtnl: received route message without valid destination, ignoring: %m"); |
1c8e710c TG |
338 | return 0; |
339 | } | |
340 | ||
341 | r = sd_netlink_message_read_in_addr(message, RTA_GATEWAY, &gw.in); | |
342 | if (r < 0 && r != -ENODATA) { | |
7f474ed7 | 343 | log_link_warning_errno(link, r, "rtnl: received route message without valid gateway, ignoring: %m"); |
1c8e710c TG |
344 | return 0; |
345 | } | |
346 | ||
347 | r = sd_netlink_message_read_in_addr(message, RTA_SRC, &src.in); | |
348 | if (r < 0 && r != -ENODATA) { | |
7f474ed7 | 349 | log_link_warning_errno(link, r, "rtnl: received route message without valid source, ignoring: %m"); |
1c8e710c TG |
350 | return 0; |
351 | } | |
352 | ||
353 | r = sd_netlink_message_read_in_addr(message, RTA_PREFSRC, &prefsrc.in); | |
354 | if (r < 0 && r != -ENODATA) { | |
7f474ed7 | 355 | log_link_warning_errno(link, r, "rtnl: received route message without valid preferred source, ignoring: %m"); |
1c8e710c TG |
356 | return 0; |
357 | } | |
358 | ||
359 | break; | |
360 | ||
361 | case AF_INET6: | |
362 | r = sd_netlink_message_read_in6_addr(message, RTA_DST, &dst.in6); | |
363 | if (r < 0 && r != -ENODATA) { | |
7f474ed7 | 364 | log_link_warning_errno(link, r, "rtnl: received route message without valid destination, ignoring: %m"); |
1c8e710c TG |
365 | return 0; |
366 | } | |
367 | ||
368 | r = sd_netlink_message_read_in6_addr(message, RTA_GATEWAY, &gw.in6); | |
369 | if (r < 0 && r != -ENODATA) { | |
7f474ed7 | 370 | log_link_warning_errno(link, r, "rtnl: received route message without valid gateway, ignoring: %m"); |
1c8e710c TG |
371 | return 0; |
372 | } | |
373 | ||
374 | r = sd_netlink_message_read_in6_addr(message, RTA_SRC, &src.in6); | |
375 | if (r < 0 && r != -ENODATA) { | |
7f474ed7 | 376 | log_link_warning_errno(link, r, "rtnl: received route message without valid source, ignoring: %m"); |
1c8e710c TG |
377 | return 0; |
378 | } | |
379 | ||
380 | r = sd_netlink_message_read_in6_addr(message, RTA_PREFSRC, &prefsrc.in6); | |
381 | if (r < 0 && r != -ENODATA) { | |
7f474ed7 | 382 | log_link_warning_errno(link, r, "rtnl: received route message without valid preferred source, ignoring: %m"); |
1c8e710c TG |
383 | return 0; |
384 | } | |
385 | ||
386 | break; | |
387 | ||
388 | default: | |
7f474ed7 | 389 | assert_not_reached("Received route message with unsupported address family"); |
1c8e710c TG |
390 | return 0; |
391 | } | |
392 | ||
393 | r = sd_rtnl_message_route_get_dst_prefixlen(message, &dst_prefixlen); | |
394 | if (r < 0) { | |
39f26098 | 395 | log_link_warning_errno(link, r, "rtnl: received route message with invalid destination prefixlen, ignoring: %m"); |
1c8e710c TG |
396 | return 0; |
397 | } | |
398 | ||
399 | r = sd_rtnl_message_route_get_src_prefixlen(message, &src_prefixlen); | |
400 | if (r < 0) { | |
39f26098 | 401 | log_link_warning_errno(link, r, "rtnl: received route message with invalid source prefixlen, ignoring: %m"); |
1c8e710c TG |
402 | return 0; |
403 | } | |
404 | ||
405 | r = sd_rtnl_message_route_get_scope(message, &scope); | |
406 | if (r < 0) { | |
39f26098 | 407 | log_link_warning_errno(link, r, "rtnl: received route message with invalid scope, ignoring: %m"); |
1c8e710c TG |
408 | return 0; |
409 | } | |
410 | ||
411 | r = sd_rtnl_message_route_get_tos(message, &tos); | |
412 | if (r < 0) { | |
39f26098 | 413 | log_link_warning_errno(link, r, "rtnl: received route message with invalid tos, ignoring: %m"); |
1c8e710c TG |
414 | return 0; |
415 | } | |
416 | ||
983226f3 SS |
417 | r = sd_rtnl_message_route_get_type(message, &rt_type); |
418 | if (r < 0) { | |
39f26098 | 419 | log_link_warning_errno(link, r, "rtnl: received route message with invalid type, ignoring: %m"); |
983226f3 SS |
420 | return 0; |
421 | } | |
422 | ||
1c8e710c TG |
423 | r = sd_rtnl_message_route_get_table(message, &table); |
424 | if (r < 0) { | |
39f26098 | 425 | log_link_warning_errno(link, r, "rtnl: received route message with invalid table, ignoring: %m"); |
1c8e710c TG |
426 | return 0; |
427 | } | |
428 | ||
429 | r = sd_netlink_message_read_u32(message, RTA_PRIORITY, &priority); | |
430 | if (r < 0 && r != -ENODATA) { | |
39f26098 | 431 | log_link_warning_errno(link, r, "rtnl: received route message with invalid priority, ignoring: %m"); |
1c8e710c TG |
432 | return 0; |
433 | } | |
434 | ||
0b1cd3e2 | 435 | (void) route_get(link, family, &dst, dst_prefixlen, &gw, tos, priority, table, &route); |
1c8e710c | 436 | |
156ed65e YW |
437 | if (DEBUG_LOGGING) { |
438 | _cleanup_free_ char *buf_dst = NULL, *buf_dst_prefixlen = NULL, | |
439 | *buf_src = NULL, *buf_gw = NULL, *buf_prefsrc = NULL; | |
d3e291fd YW |
440 | char buf_scope[ROUTE_SCOPE_STR_MAX], buf_table[ROUTE_TABLE_STR_MAX], |
441 | buf_protocol[ROUTE_PROTOCOL_STR_MAX]; | |
156ed65e YW |
442 | |
443 | if (!in_addr_is_null(family, &dst)) { | |
444 | (void) in_addr_to_string(family, &dst, &buf_dst); | |
445 | (void) asprintf(&buf_dst_prefixlen, "/%u", dst_prefixlen); | |
446 | } | |
447 | if (!in_addr_is_null(family, &src)) | |
448 | (void) in_addr_to_string(family, &src, &buf_src); | |
449 | if (!in_addr_is_null(family, &gw)) | |
450 | (void) in_addr_to_string(family, &gw, &buf_gw); | |
451 | if (!in_addr_is_null(family, &prefsrc)) | |
452 | (void) in_addr_to_string(family, &prefsrc, &buf_prefsrc); | |
453 | ||
454 | log_link_debug(link, | |
d3e291fd | 455 | "%s route: dst: %s%s, src: %s, gw: %s, prefsrc: %s, scope: %s, table: %s, proto: %s, type: %s", |
7f474ed7 | 456 | type == RTM_DELROUTE ? "Forgetting" : route ? "Updating remembered" : "Remembering", |
156ed65e | 457 | strna(buf_dst), strempty(buf_dst_prefixlen), |
b297e0a7 YW |
458 | strna(buf_src), strna(buf_gw), strna(buf_prefsrc), |
459 | format_route_scope(scope, buf_scope, sizeof buf_scope), | |
460 | format_route_table(table, buf_table, sizeof buf_table), | |
d3e291fd | 461 | format_route_protocol(protocol, buf_protocol, sizeof buf_protocol), |
b297e0a7 | 462 | strna(route_type_to_string(rt_type))); |
156ed65e YW |
463 | } |
464 | ||
1c8e710c TG |
465 | switch (type) { |
466 | case RTM_NEWROUTE: | |
467 | if (!route) { | |
468 | /* A route appeared that we did not request */ | |
0b1cd3e2 | 469 | r = route_add_foreign(link, family, &dst, dst_prefixlen, &gw, tos, priority, table, &route); |
e1694a75 | 470 | if (r < 0) { |
7f474ed7 | 471 | log_link_warning_errno(link, r, "Failed to remember foreign route, ignoring: %m"); |
1c8e710c | 472 | return 0; |
e1694a75 | 473 | } |
1c8e710c TG |
474 | } |
475 | ||
bbd15900 | 476 | route_update(route, &src, src_prefixlen, &gw, &prefsrc, scope, protocol, rt_type); |
1c8e710c TG |
477 | |
478 | break; | |
479 | ||
480 | case RTM_DELROUTE: | |
b9642f41 | 481 | route_free(route); |
1c8e710c | 482 | break; |
b9642f41 | 483 | |
1c8e710c | 484 | default: |
7f474ed7 | 485 | assert_not_reached("Received route message with invalid RTNL message type"); |
1c8e710c TG |
486 | } |
487 | ||
488 | return 1; | |
489 | } | |
490 | ||
200a0868 | 491 | int manager_rtnl_process_address(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) { |
57e44707 | 492 | _cleanup_free_ char *buf = NULL; |
200a0868 TG |
493 | Manager *m = userdata; |
494 | Link *link = NULL; | |
495 | uint16_t type; | |
57e44707 | 496 | unsigned char flags, prefixlen, scope; |
67a46833 | 497 | union in_addr_union in_addr = IN_ADDR_NULL; |
054f0db4 TG |
498 | struct ifa_cacheinfo cinfo; |
499 | Address *address = NULL; | |
57e44707 | 500 | char valid_buf[FORMAT_TIMESPAN_MAX]; |
200a0868 | 501 | const char *valid_str = NULL; |
57e44707 | 502 | int ifindex, family, r; |
200a0868 TG |
503 | |
504 | assert(rtnl); | |
505 | assert(message); | |
506 | assert(m); | |
507 | ||
508 | if (sd_netlink_message_is_error(message)) { | |
509 | r = sd_netlink_message_get_errno(message); | |
510 | if (r < 0) | |
44e891bb | 511 | log_warning_errno(r, "rtnl: failed to receive address message, ignoring: %m"); |
200a0868 TG |
512 | |
513 | return 0; | |
514 | } | |
515 | ||
516 | r = sd_netlink_message_get_type(message, &type); | |
517 | if (r < 0) { | |
e1694a75 | 518 | log_warning_errno(r, "rtnl: could not get message type, ignoring: %m"); |
200a0868 | 519 | return 0; |
25a1bffc | 520 | } else if (!IN_SET(type, RTM_NEWADDR, RTM_DELADDR)) { |
7f474ed7 | 521 | log_warning("rtnl: received unexpected message type %u when processing address, ignoring.", type); |
200a0868 TG |
522 | return 0; |
523 | } | |
524 | ||
525 | r = sd_rtnl_message_addr_get_ifindex(message, &ifindex); | |
526 | if (r < 0) { | |
44e891bb | 527 | log_warning_errno(r, "rtnl: could not get ifindex from message, ignoring: %m"); |
200a0868 TG |
528 | return 0; |
529 | } else if (ifindex <= 0) { | |
7f474ed7 | 530 | log_warning("rtnl: received address message with invalid ifindex %d, ignoring.", ifindex); |
200a0868 | 531 | return 0; |
44e891bb ZJS |
532 | } |
533 | ||
534 | r = link_get(m, ifindex, &link); | |
535 | if (r < 0 || !link) { | |
536 | /* when enumerating we might be out of sync, but we will get the address again, so just | |
537 | * ignore it */ | |
538 | if (!m->enumerating) | |
7f474ed7 | 539 | log_warning("rtnl: received address for link '%d' we don't know about, ignoring.", ifindex); |
44e891bb | 540 | return 0; |
200a0868 TG |
541 | } |
542 | ||
054f0db4 TG |
543 | r = sd_rtnl_message_addr_get_family(message, &family); |
544 | if (r < 0 || !IN_SET(family, AF_INET, AF_INET6)) { | |
44e891bb | 545 | log_link_warning(link, "rtnl: received address message with invalid family, ignoring."); |
200a0868 TG |
546 | return 0; |
547 | } | |
548 | ||
054f0db4 | 549 | r = sd_rtnl_message_addr_get_prefixlen(message, &prefixlen); |
200a0868 | 550 | if (r < 0) { |
44e891bb | 551 | log_link_warning_errno(link, r, "rtnl: received address message with invalid prefixlen, ignoring: %m"); |
200a0868 TG |
552 | return 0; |
553 | } | |
554 | ||
054f0db4 | 555 | r = sd_rtnl_message_addr_get_scope(message, &scope); |
200a0868 | 556 | if (r < 0) { |
44e891bb | 557 | log_link_warning_errno(link, r, "rtnl: received address message with invalid scope, ignoring: %m"); |
200a0868 TG |
558 | return 0; |
559 | } | |
560 | ||
561 | r = sd_rtnl_message_addr_get_flags(message, &flags); | |
562 | if (r < 0) { | |
44e891bb | 563 | log_link_warning_errno(link, r, "rtnl: received address message with invalid flags, ignoring: %m"); |
200a0868 TG |
564 | return 0; |
565 | } | |
200a0868 | 566 | |
054f0db4 | 567 | switch (family) { |
200a0868 | 568 | case AF_INET: |
054f0db4 | 569 | r = sd_netlink_message_read_in_addr(message, IFA_LOCAL, &in_addr.in); |
200a0868 | 570 | if (r < 0) { |
44e891bb | 571 | log_link_warning_errno(link, r, "rtnl: received address message without valid address, ignoring: %m"); |
200a0868 TG |
572 | return 0; |
573 | } | |
574 | ||
575 | break; | |
576 | ||
577 | case AF_INET6: | |
054f0db4 | 578 | r = sd_netlink_message_read_in6_addr(message, IFA_ADDRESS, &in_addr.in6); |
200a0868 | 579 | if (r < 0) { |
44e891bb | 580 | log_link_warning_errno(link, r, "rtnl: received address message without valid address, ignoring: %m"); |
200a0868 TG |
581 | return 0; |
582 | } | |
583 | ||
584 | break; | |
585 | ||
586 | default: | |
e1694a75 | 587 | assert_not_reached("Received unsupported address family"); |
200a0868 TG |
588 | } |
589 | ||
57e44707 | 590 | r = in_addr_to_string(family, &in_addr, &buf); |
44e891bb ZJS |
591 | if (r < 0) |
592 | log_link_warning_errno(link, r, "Could not print address: %m"); | |
200a0868 | 593 | |
054f0db4 | 594 | r = sd_netlink_message_read_cache_info(message, IFA_CACHEINFO, &cinfo); |
e1694a75 YW |
595 | if (r < 0 && r != -ENODATA) { |
596 | log_link_warning_errno(link, r, "rtnl: cannot get IFA_CACHEINFO attribute, ignoring: %m"); | |
597 | return 0; | |
57e44707 YW |
598 | } else if (r >= 0 && cinfo.ifa_valid != CACHE_INFO_INFINITY_LIFE_TIME) |
599 | valid_str = format_timespan(valid_buf, FORMAT_TIMESPAN_MAX, | |
600 | cinfo.ifa_valid * USEC_PER_SEC, | |
601 | USEC_PER_SEC); | |
200a0868 | 602 | |
e1694a75 | 603 | (void) address_get(link, family, &in_addr, prefixlen, &address); |
200a0868 TG |
604 | |
605 | switch (type) { | |
606 | case RTM_NEWADDR: | |
36c32f61 | 607 | if (address) |
44e891bb ZJS |
608 | log_link_debug(link, "Remembering updated address: %s/%u (valid %s%s)", |
609 | strnull(buf), prefixlen, | |
87e4e28d | 610 | valid_str ? "for " : "forever", strempty(valid_str)); |
36c32f61 | 611 | else { |
adda1ed9 TG |
612 | /* An address appeared that we did not request */ |
613 | r = address_add_foreign(link, family, &in_addr, prefixlen, &address); | |
cf1d700d | 614 | if (r < 0) { |
44e891bb ZJS |
615 | log_link_warning_errno(link, r, "Failed to remember foreign address %s/%u, ignoring: %m", |
616 | strnull(buf), prefixlen); | |
cf1d700d TG |
617 | return 0; |
618 | } else | |
44e891bb ZJS |
619 | log_link_debug(link, "Remembering foreign address: %s/%u (valid %s%s)", |
620 | strnull(buf), prefixlen, | |
87e4e28d | 621 | valid_str ? "for " : "forever", strempty(valid_str)); |
200a0868 TG |
622 | } |
623 | ||
44e891bb ZJS |
624 | /* address_update() logs internally, so we don't need to. */ |
625 | (void) address_update(address, flags, scope, &cinfo); | |
36c32f61 | 626 | |
200a0868 TG |
627 | break; |
628 | ||
629 | case RTM_DELADDR: | |
054f0db4 | 630 | if (address) { |
44e891bb ZJS |
631 | log_link_debug(link, "Forgetting address: %s/%u (valid %s%s)", |
632 | strnull(buf), prefixlen, | |
87e4e28d | 633 | valid_str ? "for " : "forever", strempty(valid_str)); |
e1694a75 | 634 | (void) address_drop(address); |
200a0868 | 635 | } else |
44e891bb ZJS |
636 | log_link_info(link, "Kernel removed an address we don't remember: %s/%u (valid %s%s), ignoring.", |
637 | strnull(buf), prefixlen, | |
638 | valid_str ? "for " : "forever", strempty(valid_str)); | |
200a0868 TG |
639 | |
640 | break; | |
44e891bb | 641 | |
200a0868 TG |
642 | default: |
643 | assert_not_reached("Received invalid RTNL message type"); | |
644 | } | |
645 | ||
646 | return 1; | |
647 | } | |
648 | ||
1c4baffc | 649 | static int manager_rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) { |
505f8da7 TG |
650 | Manager *m = userdata; |
651 | Link *link = NULL; | |
4d473d5d | 652 | NetDev *netdev = NULL; |
f2236469 | 653 | uint16_t type; |
ca4e095a | 654 | const char *name; |
505f8da7 | 655 | int r, ifindex; |
f579559b | 656 | |
505f8da7 TG |
657 | assert(rtnl); |
658 | assert(message); | |
f579559b TG |
659 | assert(m); |
660 | ||
1c4baffc TG |
661 | if (sd_netlink_message_is_error(message)) { |
662 | r = sd_netlink_message_get_errno(message); | |
45af44d4 | 663 | if (r < 0) |
7f474ed7 | 664 | log_warning_errno(r, "rtnl: Could not receive link message, ignoring: %m"); |
45af44d4 TG |
665 | |
666 | return 0; | |
667 | } | |
668 | ||
1c4baffc | 669 | r = sd_netlink_message_get_type(message, &type); |
f2236469 | 670 | if (r < 0) { |
e1694a75 | 671 | log_warning_errno(r, "rtnl: Could not get message type, ignoring: %m"); |
f2236469 | 672 | return 0; |
25a1bffc | 673 | } else if (!IN_SET(type, RTM_NEWLINK, RTM_DELLINK)) { |
7f474ed7 | 674 | log_warning("rtnl: Received unexpected message type %u when processing link, ignoring.", type); |
cdfee943 | 675 | return 0; |
f2236469 TG |
676 | } |
677 | ||
505f8da7 | 678 | r = sd_rtnl_message_link_get_ifindex(message, &ifindex); |
45af44d4 | 679 | if (r < 0) { |
7f474ed7 | 680 | log_warning_errno(r, "rtnl: Could not get ifindex from link message, ignoring: %m"); |
45af44d4 TG |
681 | return 0; |
682 | } else if (ifindex <= 0) { | |
7f474ed7 | 683 | log_warning("rtnl: received link message with invalid ifindex %d, ignoring.", ifindex); |
505f8da7 | 684 | return 0; |
a0db8e46 | 685 | } |
f579559b | 686 | |
1c4baffc | 687 | r = sd_netlink_message_read_string(message, IFLA_IFNAME, &name); |
45af44d4 | 688 | if (r < 0) { |
e1694a75 | 689 | log_warning_errno(r, "rtnl: Received link message without ifname, ignoring: %m"); |
4d473d5d | 690 | return 0; |
a0db8e46 ZJS |
691 | } |
692 | ||
693 | (void) link_get(m, ifindex, &link); | |
694 | (void) netdev_get(m, name, &netdev); | |
4d473d5d TG |
695 | |
696 | switch (type) { | |
697 | case RTM_NEWLINK: | |
698 | if (!link) { | |
699 | /* link is new, so add it */ | |
700 | r = link_add(m, message, &link); | |
701 | if (r < 0) { | |
7f474ed7 | 702 | log_warning_errno(r, "Could not process new link message, ignoring: %m"); |
4d473d5d TG |
703 | return 0; |
704 | } | |
705 | } | |
706 | ||
707 | if (netdev) { | |
708 | /* netdev exists, so make sure the ifindex matches */ | |
505f8da7 TG |
709 | r = netdev_set_ifindex(netdev, message); |
710 | if (r < 0) { | |
7f474ed7 | 711 | log_warning_errno(r, "Could not process new link message for netdev, ignoring: %m"); |
505f8da7 TG |
712 | return 0; |
713 | } | |
714 | } | |
e1202047 | 715 | |
f2236469 | 716 | r = link_update(link, message); |
e1694a75 | 717 | if (r < 0) { |
7f474ed7 | 718 | log_warning_errno(r, "Could not process link message, ignoring: %m"); |
f2236469 | 719 | return 0; |
e1694a75 | 720 | } |
4d473d5d TG |
721 | |
722 | break; | |
723 | ||
724 | case RTM_DELLINK: | |
725 | link_drop(link); | |
726 | netdev_drop(netdev); | |
727 | ||
728 | break; | |
729 | ||
730 | default: | |
7f474ed7 | 731 | assert_not_reached("Received link message with invalid RTNL message type."); |
f2236469 | 732 | } |
505f8da7 TG |
733 | |
734 | return 1; | |
735 | } | |
736 | ||
bce67bbe | 737 | int manager_rtnl_process_rule(sd_netlink *rtnl, sd_netlink_message *message, void *userdata) { |
b80a511b | 738 | _cleanup_(routing_policy_rule_freep) RoutingPolicyRule *tmp = NULL; |
bce67bbe | 739 | RoutingPolicyRule *rule = NULL; |
eeab051b | 740 | const char *iif = NULL, *oif = NULL; |
bce67bbe | 741 | Manager *m = userdata; |
b80a511b | 742 | unsigned flags; |
bce67bbe | 743 | uint16_t type; |
bce67bbe SS |
744 | int r; |
745 | ||
746 | assert(rtnl); | |
747 | assert(message); | |
748 | assert(m); | |
749 | ||
750 | if (sd_netlink_message_is_error(message)) { | |
751 | r = sd_netlink_message_get_errno(message); | |
752 | if (r < 0) | |
7f474ed7 | 753 | log_warning_errno(r, "rtnl: failed to receive rule message, ignoring: %m"); |
bce67bbe SS |
754 | |
755 | return 0; | |
756 | } | |
757 | ||
758 | r = sd_netlink_message_get_type(message, &type); | |
759 | if (r < 0) { | |
e1694a75 | 760 | log_warning_errno(r, "rtnl: could not get message type, ignoring: %m"); |
bce67bbe SS |
761 | return 0; |
762 | } else if (!IN_SET(type, RTM_NEWRULE, RTM_DELRULE)) { | |
7f474ed7 | 763 | log_warning("rtnl: received unexpected message type %u when processing rule, ignoring.", type); |
bce67bbe SS |
764 | return 0; |
765 | } | |
766 | ||
b80a511b YW |
767 | r = routing_policy_rule_new(&tmp); |
768 | if (r < 0) { | |
769 | log_oom(); | |
770 | return 0; | |
771 | } | |
772 | ||
773 | r = sd_rtnl_message_get_family(message, &tmp->family); | |
615ded62 | 774 | if (r < 0) { |
e1694a75 | 775 | log_warning_errno(r, "rtnl: could not get rule family, ignoring: %m"); |
615ded62 | 776 | return 0; |
b80a511b | 777 | } else if (!IN_SET(tmp->family, AF_INET, AF_INET6)) { |
7f474ed7 | 778 | log_debug("rtnl: received rule message with invalid family %d, ignoring.", tmp->family); |
bce67bbe SS |
779 | return 0; |
780 | } | |
781 | ||
b80a511b | 782 | switch (tmp->family) { |
bce67bbe | 783 | case AF_INET: |
b80a511b | 784 | r = sd_netlink_message_read_in_addr(message, FRA_SRC, &tmp->from.in); |
e1694a75 YW |
785 | if (r < 0 && r != -ENODATA) { |
786 | log_warning_errno(r, "rtnl: could not get FRA_SRC attribute, ignoring: %m"); | |
787 | return 0; | |
788 | } else if (r >= 0) { | |
b80a511b | 789 | r = sd_rtnl_message_routing_policy_rule_get_rtm_src_prefixlen(message, &tmp->from_prefixlen); |
e1694a75 | 790 | if (r < 0) { |
7f474ed7 | 791 | log_warning_errno(r, "rtnl: received rule message without valid source prefix length, ignoring: %m"); |
e1694a75 YW |
792 | return 0; |
793 | } | |
bce67bbe SS |
794 | } |
795 | ||
b80a511b | 796 | r = sd_netlink_message_read_in_addr(message, FRA_DST, &tmp->to.in); |
e1694a75 YW |
797 | if (r < 0 && r != -ENODATA) { |
798 | log_warning_errno(r, "rtnl: could not get FRA_DST attribute, ignoring: %m"); | |
799 | return 0; | |
800 | } else if (r >= 0) { | |
b80a511b | 801 | r = sd_rtnl_message_routing_policy_rule_get_rtm_dst_prefixlen(message, &tmp->to_prefixlen); |
e1694a75 | 802 | if (r < 0) { |
7f474ed7 | 803 | log_warning_errno(r, "rtnl: received rule message without valid destination prefix length, ignoring: %m"); |
e1694a75 YW |
804 | return 0; |
805 | } | |
bce67bbe SS |
806 | } |
807 | ||
808 | break; | |
809 | ||
810 | case AF_INET6: | |
b80a511b | 811 | r = sd_netlink_message_read_in6_addr(message, FRA_SRC, &tmp->from.in6); |
e1694a75 YW |
812 | if (r < 0 && r != -ENODATA) { |
813 | log_warning_errno(r, "rtnl: could not get FRA_SRC attribute, ignoring: %m"); | |
814 | return 0; | |
815 | } else if (r >= 0) { | |
b80a511b | 816 | r = sd_rtnl_message_routing_policy_rule_get_rtm_src_prefixlen(message, &tmp->from_prefixlen); |
e1694a75 | 817 | if (r < 0) { |
7f474ed7 | 818 | log_warning_errno(r, "rtnl: received rule message without valid source prefix length, ignoring: %m"); |
e1694a75 YW |
819 | return 0; |
820 | } | |
bce67bbe SS |
821 | } |
822 | ||
b80a511b | 823 | r = sd_netlink_message_read_in6_addr(message, FRA_DST, &tmp->to.in6); |
e1694a75 YW |
824 | if (r < 0 && r != -ENODATA) { |
825 | log_warning_errno(r, "rtnl: could not get FRA_DST attribute, ignoring: %m"); | |
826 | return 0; | |
827 | } else if (r >= 0) { | |
b80a511b | 828 | r = sd_rtnl_message_routing_policy_rule_get_rtm_dst_prefixlen(message, &tmp->to_prefixlen); |
e1694a75 | 829 | if (r < 0) { |
7f474ed7 | 830 | log_warning_errno(r, "rtnl: received rule message without valid destination prefix length, ignoring: %m"); |
e1694a75 YW |
831 | return 0; |
832 | } | |
bce67bbe SS |
833 | } |
834 | ||
835 | break; | |
836 | ||
837 | default: | |
7f474ed7 | 838 | assert_not_reached("Received rule message with unsupported address family"); |
bce67bbe SS |
839 | } |
840 | ||
b80a511b | 841 | if (tmp->from_prefixlen == 0 && tmp->to_prefixlen == 0) |
bce67bbe SS |
842 | return 0; |
843 | ||
b80a511b YW |
844 | r = sd_rtnl_message_routing_policy_rule_get_flags(message, &flags); |
845 | if (r < 0) { | |
7f474ed7 | 846 | log_warning_errno(r, "rtnl: received rule message without valid flag, ignoring: %m"); |
b80a511b YW |
847 | return 0; |
848 | } | |
849 | tmp->invert_rule = flags & FIB_RULE_INVERT; | |
850 | ||
851 | r = sd_netlink_message_read_u32(message, FRA_FWMARK, &tmp->fwmark); | |
e1694a75 YW |
852 | if (r < 0 && r != -ENODATA) { |
853 | log_warning_errno(r, "rtnl: could not get FRA_FWMARK attribute, ignoring: %m"); | |
854 | return 0; | |
855 | } | |
856 | ||
b80a511b YW |
857 | r = sd_netlink_message_read_u32(message, FRA_FWMASK, &tmp->fwmask); |
858 | if (r < 0 && r != -ENODATA) { | |
859 | log_warning_errno(r, "rtnl: could not get FRA_FWMASK attribute, ignoring: %m"); | |
860 | return 0; | |
861 | } | |
862 | ||
863 | r = sd_netlink_message_read_u32(message, FRA_PRIORITY, &tmp->priority); | |
864 | if (r < 0 && r != -ENODATA) { | |
865 | log_warning_errno(r, "rtnl: could not get FRA_PRIORITY attribute, ignoring: %m"); | |
866 | return 0; | |
867 | } | |
868 | ||
869 | r = sd_netlink_message_read_u32(message, FRA_TABLE, &tmp->table); | |
e1694a75 YW |
870 | if (r < 0 && r != -ENODATA) { |
871 | log_warning_errno(r, "rtnl: could not get FRA_TABLE attribute, ignoring: %m"); | |
872 | return 0; | |
873 | } | |
874 | ||
b80a511b | 875 | r = sd_rtnl_message_routing_policy_rule_get_tos(message, &tmp->tos); |
e1694a75 YW |
876 | if (r < 0 && r != -ENODATA) { |
877 | log_warning_errno(r, "rtnl: could not get ip rule TOS, ignoring: %m"); | |
878 | return 0; | |
879 | } | |
880 | ||
eeab051b | 881 | r = sd_netlink_message_read_string(message, FRA_IIFNAME, &iif); |
e1694a75 YW |
882 | if (r < 0 && r != -ENODATA) { |
883 | log_warning_errno(r, "rtnl: could not get FRA_IIFNAME attribute, ignoring: %m"); | |
884 | return 0; | |
885 | } | |
b80a511b YW |
886 | r = free_and_strdup(&tmp->iif, iif); |
887 | if (r < 0) | |
888 | return log_oom(); | |
e1694a75 | 889 | |
eeab051b | 890 | r = sd_netlink_message_read_string(message, FRA_OIFNAME, &oif); |
e1694a75 YW |
891 | if (r < 0 && r != -ENODATA) { |
892 | log_warning_errno(r, "rtnl: could not get FRA_OIFNAME attribute, ignoring: %m"); | |
893 | return 0; | |
894 | } | |
b80a511b YW |
895 | r = free_and_strdup(&tmp->oif, oif); |
896 | if (r < 0) | |
897 | return log_oom(); | |
bce67bbe | 898 | |
b80a511b | 899 | r = sd_netlink_message_read_u8(message, FRA_IP_PROTO, &tmp->protocol); |
926062f0 SS |
900 | if (r < 0 && r != -ENODATA) { |
901 | log_warning_errno(r, "rtnl: could not get FRA_IP_PROTO attribute, ignoring: %m"); | |
902 | return 0; | |
903 | } | |
904 | ||
b80a511b | 905 | r = sd_netlink_message_read(message, FRA_SPORT_RANGE, sizeof(tmp->sport), &tmp->sport); |
926062f0 SS |
906 | if (r < 0 && r != -ENODATA) { |
907 | log_warning_errno(r, "rtnl: could not get FRA_SPORT_RANGE attribute, ignoring: %m"); | |
908 | return 0; | |
909 | } | |
910 | ||
b80a511b | 911 | r = sd_netlink_message_read(message, FRA_DPORT_RANGE, sizeof(tmp->dport), &tmp->dport); |
926062f0 SS |
912 | if (r < 0 && r != -ENODATA) { |
913 | log_warning_errno(r, "rtnl: could not get FRA_DPORT_RANGE attribute, ignoring: %m"); | |
914 | return 0; | |
915 | } | |
916 | ||
b80a511b | 917 | (void) routing_policy_rule_get(m, tmp, &rule); |
bce67bbe SS |
918 | |
919 | switch (type) { | |
920 | case RTM_NEWRULE: | |
508f63b4 | 921 | if (!rule) { |
b80a511b | 922 | r = routing_policy_rule_add_foreign(m, tmp, &rule); |
bce67bbe | 923 | if (r < 0) { |
7f474ed7 | 924 | log_warning_errno(r, "Could not remember foreign rule, ignoring: %m"); |
bce67bbe SS |
925 | return 0; |
926 | } | |
927 | } | |
928 | break; | |
929 | case RTM_DELRULE: | |
930 | routing_policy_rule_free(rule); | |
931 | ||
932 | break; | |
933 | ||
934 | default: | |
935 | assert_not_reached("Received invalid RTNL message type"); | |
936 | } | |
937 | ||
938 | return 1; | |
939 | } | |
940 | ||
5fae368b TG |
941 | static int systemd_netlink_fd(void) { |
942 | int n, fd, rtnl_fd = -EINVAL; | |
943 | ||
944 | n = sd_listen_fds(true); | |
945 | if (n <= 0) | |
946 | return -EINVAL; | |
947 | ||
948 | for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd ++) { | |
949 | if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1) > 0) { | |
950 | if (rtnl_fd >= 0) | |
951 | return -EINVAL; | |
952 | ||
953 | rtnl_fd = fd; | |
954 | } | |
955 | } | |
956 | ||
957 | return rtnl_fd; | |
958 | } | |
959 | ||
05d0c2e3 JT |
960 | static int manager_connect_genl(Manager *m) { |
961 | int r; | |
962 | ||
963 | assert(m); | |
964 | ||
965 | r = sd_genl_socket_open(&m->genl); | |
966 | if (r < 0) | |
967 | return r; | |
968 | ||
969 | r = sd_netlink_inc_rcvbuf(m->genl, RCVBUF_SIZE); | |
970 | if (r < 0) | |
971 | return r; | |
972 | ||
973 | r = sd_netlink_attach_event(m->genl, m->event, 0); | |
974 | if (r < 0) | |
975 | return r; | |
976 | ||
977 | return 0; | |
978 | } | |
979 | ||
5fae368b TG |
980 | static int manager_connect_rtnl(Manager *m) { |
981 | int fd, r; | |
505f8da7 TG |
982 | |
983 | assert(m); | |
505f8da7 | 984 | |
5fae368b TG |
985 | fd = systemd_netlink_fd(); |
986 | if (fd < 0) | |
1c4baffc | 987 | r = sd_netlink_open(&m->rtnl); |
5fae368b | 988 | else |
1c4baffc | 989 | r = sd_netlink_open_fd(&m->rtnl, fd); |
505f8da7 TG |
990 | if (r < 0) |
991 | return r; | |
992 | ||
1c4baffc | 993 | r = sd_netlink_inc_rcvbuf(m->rtnl, RCVBUF_SIZE); |
f579559b | 994 | if (r < 0) |
bf5332d2 | 995 | return r; |
f579559b | 996 | |
1c4baffc | 997 | r = sd_netlink_attach_event(m->rtnl, m->event, 0); |
505f8da7 TG |
998 | if (r < 0) |
999 | return r; | |
f579559b | 1000 | |
8190a388 | 1001 | r = sd_netlink_add_match(m->rtnl, NULL, RTM_NEWLINK, &manager_rtnl_process_link, NULL, m, "network-rtnl_process_link"); |
5fae368b TG |
1002 | if (r < 0) |
1003 | return r; | |
505f8da7 | 1004 | |
8190a388 | 1005 | r = sd_netlink_add_match(m->rtnl, NULL, RTM_DELLINK, &manager_rtnl_process_link, NULL, m, "network-rtnl_process_link"); |
5fae368b TG |
1006 | if (r < 0) |
1007 | return r; | |
45af44d4 | 1008 | |
8190a388 | 1009 | r = sd_netlink_add_match(m->rtnl, NULL, RTM_NEWADDR, &manager_rtnl_process_address, NULL, m, "network-rtnl_process_address"); |
5fae368b TG |
1010 | if (r < 0) |
1011 | return r; | |
1012 | ||
8190a388 | 1013 | r = sd_netlink_add_match(m->rtnl, NULL, RTM_DELADDR, &manager_rtnl_process_address, NULL, m, "network-rtnl_process_address"); |
5fae368b TG |
1014 | if (r < 0) |
1015 | return r; | |
1016 | ||
8190a388 | 1017 | r = sd_netlink_add_match(m->rtnl, NULL, RTM_NEWROUTE, &manager_rtnl_process_route, NULL, m, "network-rtnl_process_route"); |
1c8e710c TG |
1018 | if (r < 0) |
1019 | return r; | |
1020 | ||
8190a388 | 1021 | r = sd_netlink_add_match(m->rtnl, NULL, RTM_DELROUTE, &manager_rtnl_process_route, NULL, m, "network-rtnl_process_route"); |
1c8e710c TG |
1022 | if (r < 0) |
1023 | return r; | |
1024 | ||
8190a388 | 1025 | r = sd_netlink_add_match(m->rtnl, NULL, RTM_NEWRULE, &manager_rtnl_process_rule, NULL, m, "network-rtnl_process_rule"); |
bce67bbe SS |
1026 | if (r < 0) |
1027 | return r; | |
1028 | ||
8190a388 | 1029 | r = sd_netlink_add_match(m->rtnl, NULL, RTM_DELRULE, &manager_rtnl_process_rule, NULL, m, "network-rtnl_process_rule"); |
bce67bbe SS |
1030 | if (r < 0) |
1031 | return r; | |
1032 | ||
5fae368b | 1033 | return 0; |
45af44d4 | 1034 | } |
505f8da7 | 1035 | |
5512a963 | 1036 | static int ordered_set_put_in_addr_data(OrderedSet *s, const struct in_addr_data *address) { |
84de38c5 TG |
1037 | char *p; |
1038 | int r; | |
1039 | ||
1040 | assert(s); | |
5512a963 LP |
1041 | assert(address); |
1042 | ||
1043 | r = in_addr_to_string(address->family, &address->address, &p); | |
1044 | if (r < 0) | |
1045 | return r; | |
1046 | ||
1047 | r = ordered_set_consume(s, p); | |
1048 | if (r == -EEXIST) | |
1049 | return 0; | |
1050 | ||
1051 | return r; | |
1052 | } | |
1053 | ||
1054 | static int ordered_set_put_in_addr_datav(OrderedSet *s, const struct in_addr_data *addresses, unsigned n) { | |
1055 | int r, c = 0; | |
1056 | unsigned i; | |
1057 | ||
1058 | assert(s); | |
1059 | assert(addresses || n == 0); | |
1060 | ||
1061 | for (i = 0; i < n; i++) { | |
1062 | r = ordered_set_put_in_addr_data(s, addresses+i); | |
1063 | if (r < 0) | |
1064 | return r; | |
1065 | ||
1066 | c += r; | |
1067 | } | |
1068 | ||
1069 | return c; | |
1070 | } | |
1071 | ||
1072 | static int ordered_set_put_in4_addr(OrderedSet *s, const struct in_addr *address) { | |
1073 | char *p; | |
1074 | int r; | |
1075 | ||
1076 | assert(s); | |
1077 | assert(address); | |
84de38c5 TG |
1078 | |
1079 | r = in_addr_to_string(AF_INET, (const union in_addr_union*) address, &p); | |
1080 | if (r < 0) | |
1081 | return r; | |
1082 | ||
00616955 | 1083 | r = ordered_set_consume(s, p); |
84de38c5 TG |
1084 | if (r == -EEXIST) |
1085 | return 0; | |
1086 | ||
1087 | return r; | |
1088 | } | |
1089 | ||
072320ea TH |
1090 | static int ordered_set_put_in4_addrv(OrderedSet *s, |
1091 | const struct in_addr *addresses, | |
1092 | size_t n, | |
1093 | bool (*predicate)(const struct in_addr *addr)) { | |
5512a963 | 1094 | int r, c = 0; |
072320ea | 1095 | size_t i; |
84de38c5 TG |
1096 | |
1097 | assert(s); | |
5512a963 | 1098 | assert(n == 0 || addresses); |
84de38c5 TG |
1099 | |
1100 | for (i = 0; i < n; i++) { | |
072320ea TH |
1101 | if (predicate && !predicate(&addresses[i])) |
1102 | continue; | |
5512a963 | 1103 | r = ordered_set_put_in4_addr(s, addresses+i); |
84de38c5 TG |
1104 | if (r < 0) |
1105 | return r; | |
1106 | ||
1107 | c += r; | |
1108 | } | |
1109 | ||
1110 | return c; | |
1111 | } | |
1112 | ||
84de38c5 | 1113 | static int manager_save(Manager *m) { |
00616955 | 1114 | _cleanup_ordered_set_free_free_ OrderedSet *dns = NULL, *ntp = NULL, *search_domains = NULL, *route_domains = NULL; |
84de38c5 TG |
1115 | Link *link; |
1116 | Iterator i; | |
1117 | _cleanup_free_ char *temp_path = NULL; | |
7f3c07ad | 1118 | _cleanup_strv_free_ char **p = NULL; |
84de38c5 TG |
1119 | _cleanup_fclose_ FILE *f = NULL; |
1120 | LinkOperationalState operstate = LINK_OPERSTATE_OFF; | |
7f3c07ad YW |
1121 | LinkCarrierState carrier_state = LINK_CARRIER_STATE_OFF; |
1122 | LinkAddressState address_state = LINK_ADDRESS_STATE_OFF; | |
ac999bf0 | 1123 | const char *operstate_str, *carrier_state_str, *address_state_str; |
84de38c5 TG |
1124 | int r; |
1125 | ||
1126 | assert(m); | |
1127 | assert(m->state_file); | |
1128 | ||
1129 | /* We add all NTP and DNS server to a set, to filter out duplicates */ | |
00616955 | 1130 | dns = ordered_set_new(&string_hash_ops); |
84de38c5 TG |
1131 | if (!dns) |
1132 | return -ENOMEM; | |
1133 | ||
00616955 | 1134 | ntp = ordered_set_new(&string_hash_ops); |
84de38c5 TG |
1135 | if (!ntp) |
1136 | return -ENOMEM; | |
1137 | ||
482d1aeb | 1138 | search_domains = ordered_set_new(&dns_name_hash_ops); |
3df9bec5 LP |
1139 | if (!search_domains) |
1140 | return -ENOMEM; | |
1141 | ||
482d1aeb | 1142 | route_domains = ordered_set_new(&dns_name_hash_ops); |
3df9bec5 | 1143 | if (!route_domains) |
84de38c5 TG |
1144 | return -ENOMEM; |
1145 | ||
1146 | HASHMAP_FOREACH(link, m->links, i) { | |
1147 | if (link->flags & IFF_LOOPBACK) | |
1148 | continue; | |
1149 | ||
1150 | if (link->operstate > operstate) | |
1151 | operstate = link->operstate; | |
1152 | ||
7f3c07ad YW |
1153 | if (link->carrier_state > carrier_state) |
1154 | carrier_state = link->carrier_state; | |
1155 | ||
1156 | if (link->address_state > address_state) | |
1157 | address_state = link->address_state; | |
1158 | ||
84de38c5 TG |
1159 | if (!link->network) |
1160 | continue; | |
1161 | ||
1162 | /* First add the static configured entries */ | |
5512a963 | 1163 | r = ordered_set_put_in_addr_datav(dns, link->network->dns, link->network->n_dns); |
84de38c5 TG |
1164 | if (r < 0) |
1165 | return r; | |
1166 | ||
15761549 | 1167 | r = ordered_set_put_strdupv(ntp, link->ntp ?: link->network->ntp); |
84de38c5 TG |
1168 | if (r < 0) |
1169 | return r; | |
1170 | ||
15761549 | 1171 | r = ordered_set_put_string_set(search_domains, link->search_domains ?: link->network->search_domains); |
3df9bec5 LP |
1172 | if (r < 0) |
1173 | return r; | |
1174 | ||
15761549 | 1175 | r = ordered_set_put_string_set(route_domains, link->route_domains ?: link->network->route_domains); |
84de38c5 TG |
1176 | if (r < 0) |
1177 | return r; | |
1178 | ||
1179 | if (!link->dhcp_lease) | |
1180 | continue; | |
1181 | ||
1182 | /* Secondly, add the entries acquired via DHCP */ | |
27cb34f5 | 1183 | if (link->network->dhcp_use_dns) { |
84de38c5 TG |
1184 | const struct in_addr *addresses; |
1185 | ||
1186 | r = sd_dhcp_lease_get_dns(link->dhcp_lease, &addresses); | |
1187 | if (r > 0) { | |
072320ea | 1188 | r = ordered_set_put_in4_addrv(dns, addresses, r, in4_addr_is_non_local); |
84de38c5 TG |
1189 | if (r < 0) |
1190 | return r; | |
1191 | } else if (r < 0 && r != -ENODATA) | |
1192 | return r; | |
1193 | } | |
1194 | ||
27cb34f5 | 1195 | if (link->network->dhcp_use_ntp) { |
84de38c5 TG |
1196 | const struct in_addr *addresses; |
1197 | ||
1198 | r = sd_dhcp_lease_get_ntp(link->dhcp_lease, &addresses); | |
1199 | if (r > 0) { | |
072320ea | 1200 | r = ordered_set_put_in4_addrv(ntp, addresses, r, in4_addr_is_non_local); |
84de38c5 TG |
1201 | if (r < 0) |
1202 | return r; | |
1203 | } else if (r < 0 && r != -ENODATA) | |
1204 | return r; | |
1205 | } | |
1206 | ||
b2a81c0b | 1207 | if (link->network->dhcp_use_domains != DHCP_USE_DOMAINS_NO) { |
84de38c5 | 1208 | const char *domainname; |
b85bc551 | 1209 | char **domains = NULL; |
84de38c5 | 1210 | |
b85bc551 | 1211 | OrderedSet *target_domains = (link->network->dhcp_use_domains == DHCP_USE_DOMAINS_YES) ? search_domains : route_domains; |
84de38c5 TG |
1212 | r = sd_dhcp_lease_get_domainname(link->dhcp_lease, &domainname); |
1213 | if (r >= 0) { | |
b85bc551 DW |
1214 | r = ordered_set_put_strdup(target_domains, domainname); |
1215 | if (r < 0) | |
1216 | return r; | |
1217 | } else if (r != -ENODATA) | |
1218 | return r; | |
b2a81c0b | 1219 | |
b85bc551 DW |
1220 | r = sd_dhcp_lease_get_search_domains(link->dhcp_lease, &domains); |
1221 | if (r >= 0) { | |
1222 | r = ordered_set_put_strdupv(target_domains, domains); | |
84de38c5 TG |
1223 | if (r < 0) |
1224 | return r; | |
1225 | } else if (r != -ENODATA) | |
1226 | return r; | |
1227 | } | |
1228 | } | |
1229 | ||
7f3c07ad YW |
1230 | if (carrier_state >= LINK_CARRIER_STATE_ENSLAVED) |
1231 | carrier_state = LINK_CARRIER_STATE_CARRIER; | |
1232 | ||
84de38c5 TG |
1233 | operstate_str = link_operstate_to_string(operstate); |
1234 | assert(operstate_str); | |
1235 | ||
ac999bf0 YW |
1236 | carrier_state_str = link_carrier_state_to_string(carrier_state); |
1237 | assert(carrier_state_str); | |
1238 | ||
1239 | address_state_str = link_address_state_to_string(address_state); | |
1240 | assert(address_state_str); | |
1241 | ||
84de38c5 TG |
1242 | r = fopen_temporary(m->state_file, &f, &temp_path); |
1243 | if (r < 0) | |
1244 | return r; | |
1245 | ||
5512a963 | 1246 | (void) fchmod(fileno(f), 0644); |
84de38c5 TG |
1247 | |
1248 | fprintf(f, | |
1249 | "# This is private data. Do not parse.\n" | |
ac999bf0 YW |
1250 | "OPER_STATE=%s\n" |
1251 | "CARRIER_STATE=%s\n" | |
1252 | "ADDRESS_STATE=%s\n", | |
1253 | operstate_str, carrier_state_str, address_state_str); | |
84de38c5 | 1254 | |
53ae3f64 ZJS |
1255 | ordered_set_print(f, "DNS=", dns); |
1256 | ordered_set_print(f, "NTP=", ntp); | |
1257 | ordered_set_print(f, "DOMAINS=", search_domains); | |
1258 | ordered_set_print(f, "ROUTE_DOMAINS=", route_domains); | |
84de38c5 | 1259 | |
458d8ae3 ZJS |
1260 | r = routing_policy_serialize_rules(m->rules, f); |
1261 | if (r < 0) | |
1262 | goto fail; | |
bce67bbe | 1263 | |
84de38c5 TG |
1264 | r = fflush_and_check(f); |
1265 | if (r < 0) | |
1266 | goto fail; | |
1267 | ||
1268 | if (rename(temp_path, m->state_file) < 0) { | |
1269 | r = -errno; | |
1270 | goto fail; | |
1271 | } | |
1272 | ||
1273 | if (m->operational_state != operstate) { | |
1274 | m->operational_state = operstate; | |
7f3c07ad YW |
1275 | if (strv_extend(&p, "OperationalState") < 0) |
1276 | log_oom(); | |
1277 | } | |
1278 | ||
1279 | if (m->carrier_state != carrier_state) { | |
1280 | m->carrier_state = carrier_state; | |
1281 | if (strv_extend(&p, "CarrierState") < 0) | |
1282 | log_oom(); | |
1283 | } | |
1284 | ||
1285 | if (m->address_state != address_state) { | |
1286 | m->address_state = address_state; | |
1287 | if (strv_extend(&p, "AddressState") < 0) | |
1288 | log_oom(); | |
1289 | } | |
1290 | ||
1291 | if (p) { | |
1292 | r = manager_send_changed_strv(m, p); | |
84de38c5 | 1293 | if (r < 0) |
7f3c07ad | 1294 | log_error_errno(r, "Could not emit changed properties: %m"); |
84de38c5 TG |
1295 | } |
1296 | ||
1297 | m->dirty = false; | |
1298 | ||
1299 | return 0; | |
1300 | ||
1301 | fail: | |
1302 | (void) unlink(m->state_file); | |
1303 | (void) unlink(temp_path); | |
1304 | ||
1305 | return log_error_errno(r, "Failed to save network state to %s: %m", m->state_file); | |
1306 | } | |
1307 | ||
1308 | static int manager_dirty_handler(sd_event_source *s, void *userdata) { | |
1309 | Manager *m = userdata; | |
1310 | Link *link; | |
1311 | Iterator i; | |
84de38c5 TG |
1312 | |
1313 | assert(m); | |
1314 | ||
1315 | if (m->dirty) | |
1316 | manager_save(m); | |
1317 | ||
a0e8e4cf YW |
1318 | SET_FOREACH(link, m->dirty_links, i) |
1319 | if (link_save(link) >= 0) | |
84de38c5 | 1320 | link_clean(link); |
84de38c5 TG |
1321 | |
1322 | return 1; | |
1323 | } | |
1324 | ||
3534a043 | 1325 | int manager_new(Manager **ret) { |
8e766630 | 1326 | _cleanup_(manager_freep) Manager *m = NULL; |
45af44d4 | 1327 | int r; |
f579559b | 1328 | |
a879e1a4 | 1329 | m = new(Manager, 1); |
5fae368b TG |
1330 | if (!m) |
1331 | return -ENOMEM; | |
45af44d4 | 1332 | |
a879e1a4 YW |
1333 | *m = (Manager) { |
1334 | .speed_meter_interval_usec = SPEED_METER_DEFAULT_TIME_INTERVAL, | |
1335 | }; | |
1336 | ||
5fae368b TG |
1337 | m->state_file = strdup("/run/systemd/netif/state"); |
1338 | if (!m->state_file) | |
1339 | return -ENOMEM; | |
1340 | ||
3534a043 YW |
1341 | r = sd_event_default(&m->event); |
1342 | if (r < 0) | |
1343 | return r; | |
1344 | ||
05e21627 YW |
1345 | (void) sd_event_set_watchdog(m->event, true); |
1346 | (void) sd_event_add_signal(m->event, NULL, SIGTERM, NULL, NULL); | |
1347 | (void) sd_event_add_signal(m->event, NULL, SIGINT, NULL, NULL); | |
5fae368b | 1348 | |
84de38c5 TG |
1349 | r = sd_event_add_post(m->event, NULL, manager_dirty_handler, m); |
1350 | if (r < 0) | |
1351 | return r; | |
1352 | ||
5fae368b | 1353 | r = manager_connect_rtnl(m); |
45af44d4 TG |
1354 | if (r < 0) |
1355 | return r; | |
1356 | ||
05d0c2e3 JT |
1357 | r = manager_connect_genl(m); |
1358 | if (r < 0) | |
1359 | return r; | |
1360 | ||
5fae368b TG |
1361 | r = manager_connect_udev(m); |
1362 | if (r < 0) | |
1363 | return r; | |
45af44d4 | 1364 | |
05d0c2e3 JT |
1365 | r = sd_resolve_default(&m->resolve); |
1366 | if (r < 0) | |
1367 | return r; | |
1368 | ||
1369 | r = sd_resolve_attach_event(m->resolve, m->event, 0); | |
1370 | if (r < 0) | |
1371 | return r; | |
1372 | ||
5fae368b TG |
1373 | r = setup_default_address_pool(m); |
1374 | if (r < 0) | |
1375 | return r; | |
f579559b | 1376 | |
8341a5c3 | 1377 | m->duid.type = DUID_TYPE_EN; |
413708d1 | 1378 | |
458d8ae3 | 1379 | (void) routing_policy_load_rules(m->state_file, &m->rules_saved); |
bce67bbe | 1380 | |
1cc6c93a | 1381 | *ret = TAKE_PTR(m); |
f579559b | 1382 | |
f579559b TG |
1383 | return 0; |
1384 | } | |
1385 | ||
5fae368b | 1386 | void manager_free(Manager *m) { |
2c448c8a | 1387 | struct in6_addr *a; |
c4397d94 | 1388 | AddressPool *pool; |
5fae368b | 1389 | Link *link; |
f579559b | 1390 | |
5fae368b TG |
1391 | if (!m) |
1392 | return; | |
505f8da7 | 1393 | |
5fae368b | 1394 | free(m->state_file); |
505f8da7 | 1395 | |
2c448c8a | 1396 | while ((a = hashmap_first_key(m->dhcp6_prefixes))) |
04ed9949 | 1397 | (void) dhcp6_prefix_remove(m, a); |
26a65470 | 1398 | m->dhcp6_prefixes = hashmap_free(m->dhcp6_prefixes); |
e133b289 | 1399 | |
f61365e5 | 1400 | while ((link = hashmap_steal_first(m->links))) { |
65dd5e31 | 1401 | if (link->dhcp6_client) |
f61365e5 | 1402 | (void) dhcp6_lease_pd_prefix_lost(link->dhcp6_client, link); |
946f8e14 | 1403 | |
95355a28 | 1404 | (void) link_stop_clients(link, true); |
946f8e14 | 1405 | |
5fae368b | 1406 | link_unref(link); |
65dd5e31 | 1407 | } |
f579559b | 1408 | |
c4397d94 | 1409 | m->dirty_links = set_free_with_destructor(m->dirty_links, link_unref); |
5f707e12 YW |
1410 | m->links_requesting_uuid = set_free_with_destructor(m->links_requesting_uuid, link_unref); |
1411 | m->links = hashmap_free_with_destructor(m->links, link_unref); | |
27dfc982 | 1412 | |
5f707e12 | 1413 | m->duids_requesting_uuid = set_free(m->duids_requesting_uuid); |
715d398e | 1414 | m->networks = ordered_hashmap_free_with_destructor(m->networks, network_unref); |
dbffab87 | 1415 | |
c4397d94 | 1416 | m->netdevs = hashmap_free_with_destructor(m->netdevs, netdev_unref); |
5fae368b TG |
1417 | |
1418 | while ((pool = m->address_pools)) | |
1419 | address_pool_free(pool); | |
1420 | ||
f19ee681 YW |
1421 | /* routing_policy_rule_free() access m->rules and m->rules_foreign. |
1422 | * So, it is necessary to set NULL after the sets are freed. */ | |
1423 | m->rules = set_free_with_destructor(m->rules, routing_policy_rule_free); | |
1424 | m->rules_foreign = set_free_with_destructor(m->rules_foreign, routing_policy_rule_free); | |
b921fcb2 | 1425 | set_free_with_destructor(m->rules_saved, routing_policy_rule_free); |
bce67bbe | 1426 | |
d4df6326 SS |
1427 | sd_netlink_unref(m->rtnl); |
1428 | sd_netlink_unref(m->genl); | |
1429 | sd_resolve_unref(m->resolve); | |
1430 | ||
a879e1a4 | 1431 | sd_event_source_unref(m->speed_meter_event_source); |
2f5b4a77 | 1432 | sd_event_unref(m->event); |
5fae368b | 1433 | |
d2ebf952 | 1434 | sd_device_monitor_unref(m->device_monitor); |
7d20d375 | 1435 | |
15761549 | 1436 | bus_verify_polkit_async_registry_free(m->polkit_registry); |
92e31da1 | 1437 | sd_bus_flush_close_unref(m->bus); |
7d20d375 | 1438 | |
7901cea1 MP |
1439 | free(m->dynamic_timezone); |
1440 | free(m->dynamic_hostname); | |
1441 | ||
5fae368b TG |
1442 | free(m); |
1443 | } | |
1444 | ||
b76d99d9 | 1445 | int manager_start(Manager *m) { |
84de38c5 TG |
1446 | Link *link; |
1447 | Iterator i; | |
a879e1a4 | 1448 | int r; |
84de38c5 | 1449 | |
a97dcc12 TG |
1450 | assert(m); |
1451 | ||
a879e1a4 YW |
1452 | r = manager_start_speed_meter(m); |
1453 | if (r < 0) | |
1454 | return log_error_errno(r, "Failed to initialize speed meter: %m"); | |
1455 | ||
84de38c5 TG |
1456 | /* The dirty handler will deal with future serialization, but the first one |
1457 | must be done explicitly. */ | |
1458 | ||
1459 | manager_save(m); | |
1460 | ||
1461 | HASHMAP_FOREACH(link, m->links, i) | |
1462 | link_save(link); | |
1463 | ||
b76d99d9 | 1464 | return 0; |
a97dcc12 TG |
1465 | } |
1466 | ||
5fae368b TG |
1467 | int manager_load_config(Manager *m) { |
1468 | int r; | |
1469 | ||
1470 | /* update timestamp */ | |
dc0d4078 | 1471 | paths_check_timestamp(NETWORK_DIRS, &m->network_dirs_ts_usec, true); |
5fae368b TG |
1472 | |
1473 | r = netdev_load(m); | |
f579559b TG |
1474 | if (r < 0) |
1475 | return r; | |
1476 | ||
5fae368b | 1477 | r = network_load(m); |
9021bb9f TG |
1478 | if (r < 0) |
1479 | return r; | |
1480 | ||
f579559b TG |
1481 | return 0; |
1482 | } | |
f882c247 | 1483 | |
5fae368b | 1484 | bool manager_should_reload(Manager *m) { |
dc0d4078 | 1485 | return paths_check_timestamp(NETWORK_DIRS, &m->network_dirs_ts_usec, false); |
5fae368b TG |
1486 | } |
1487 | ||
1488 | int manager_rtnl_enumerate_links(Manager *m) { | |
4afd3348 | 1489 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; |
1c4baffc | 1490 | sd_netlink_message *link; |
f882c247 TG |
1491 | int r; |
1492 | ||
5da8149f | 1493 | assert(m); |
5fae368b | 1494 | assert(m->rtnl); |
5da8149f | 1495 | |
5fae368b | 1496 | r = sd_rtnl_message_new_link(m->rtnl, &req, RTM_GETLINK, 0); |
f882c247 TG |
1497 | if (r < 0) |
1498 | return r; | |
1499 | ||
1c4baffc | 1500 | r = sd_netlink_message_request_dump(req, true); |
dd3efc09 TG |
1501 | if (r < 0) |
1502 | return r; | |
1503 | ||
1c4baffc | 1504 | r = sd_netlink_call(m->rtnl, req, 0, &reply); |
f2236469 TG |
1505 | if (r < 0) |
1506 | return r; | |
1507 | ||
1c4baffc | 1508 | for (link = reply; link; link = sd_netlink_message_next(link)) { |
5fae368b | 1509 | int k; |
2e9f08ea | 1510 | |
6a24f148 TG |
1511 | m->enumerating = true; |
1512 | ||
5fae368b TG |
1513 | k = manager_rtnl_process_link(m->rtnl, link, m); |
1514 | if (k < 0) | |
1515 | r = k; | |
6a24f148 TG |
1516 | |
1517 | m->enumerating = false; | |
5fae368b | 1518 | } |
2e9f08ea | 1519 | |
5fae368b | 1520 | return r; |
f882c247 | 1521 | } |
3bef724f | 1522 | |
5fae368b | 1523 | int manager_rtnl_enumerate_addresses(Manager *m) { |
4afd3348 | 1524 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; |
1c4baffc | 1525 | sd_netlink_message *addr; |
1346b1f0 TG |
1526 | int r; |
1527 | ||
5fae368b TG |
1528 | assert(m); |
1529 | assert(m->rtnl); | |
bcbca829 | 1530 | |
5fae368b TG |
1531 | r = sd_rtnl_message_new_addr(m->rtnl, &req, RTM_GETADDR, 0, 0); |
1532 | if (r < 0) | |
1533 | return r; | |
bcbca829 | 1534 | |
1c4baffc | 1535 | r = sd_netlink_message_request_dump(req, true); |
1346b1f0 TG |
1536 | if (r < 0) |
1537 | return r; | |
1538 | ||
1c4baffc | 1539 | r = sd_netlink_call(m->rtnl, req, 0, &reply); |
5fae368b TG |
1540 | if (r < 0) |
1541 | return r; | |
1542 | ||
1c4baffc | 1543 | for (addr = reply; addr; addr = sd_netlink_message_next(addr)) { |
5fae368b TG |
1544 | int k; |
1545 | ||
6a24f148 TG |
1546 | m->enumerating = true; |
1547 | ||
200a0868 | 1548 | k = manager_rtnl_process_address(m->rtnl, addr, m); |
5fae368b TG |
1549 | if (k < 0) |
1550 | r = k; | |
6a24f148 TG |
1551 | |
1552 | m->enumerating = false; | |
5fae368b TG |
1553 | } |
1554 | ||
1555 | return r; | |
1346b1f0 TG |
1556 | } |
1557 | ||
1c8e710c | 1558 | int manager_rtnl_enumerate_routes(Manager *m) { |
4afd3348 | 1559 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; |
1c8e710c TG |
1560 | sd_netlink_message *route; |
1561 | int r; | |
1562 | ||
1563 | assert(m); | |
1564 | assert(m->rtnl); | |
1565 | ||
1566 | r = sd_rtnl_message_new_route(m->rtnl, &req, RTM_GETROUTE, 0, 0); | |
1567 | if (r < 0) | |
1568 | return r; | |
1569 | ||
1570 | r = sd_netlink_message_request_dump(req, true); | |
1571 | if (r < 0) | |
1572 | return r; | |
1573 | ||
1574 | r = sd_netlink_call(m->rtnl, req, 0, &reply); | |
1575 | if (r < 0) | |
1576 | return r; | |
1577 | ||
1578 | for (route = reply; route; route = sd_netlink_message_next(route)) { | |
1579 | int k; | |
1580 | ||
1581 | m->enumerating = true; | |
1582 | ||
1583 | k = manager_rtnl_process_route(m->rtnl, route, m); | |
1584 | if (k < 0) | |
1585 | r = k; | |
1586 | ||
1587 | m->enumerating = false; | |
1588 | } | |
1589 | ||
1590 | return r; | |
1591 | } | |
1592 | ||
bce67bbe SS |
1593 | int manager_rtnl_enumerate_rules(Manager *m) { |
1594 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; | |
1595 | sd_netlink_message *rule; | |
1596 | int r; | |
1597 | ||
1598 | assert(m); | |
1599 | assert(m->rtnl); | |
1600 | ||
1601 | r = sd_rtnl_message_new_routing_policy_rule(m->rtnl, &req, RTM_GETRULE, 0); | |
1602 | if (r < 0) | |
1603 | return r; | |
1604 | ||
1605 | r = sd_netlink_message_request_dump(req, true); | |
1606 | if (r < 0) | |
1607 | return r; | |
1608 | ||
1609 | r = sd_netlink_call(m->rtnl, req, 0, &reply); | |
6acbbdd4 SS |
1610 | if (r < 0) { |
1611 | if (r == -EOPNOTSUPP) { | |
1612 | log_debug("FIB Rules are not supported by the kernel. Ignoring."); | |
1613 | return 0; | |
1614 | } | |
1615 | ||
bce67bbe | 1616 | return r; |
6acbbdd4 | 1617 | } |
bce67bbe SS |
1618 | |
1619 | for (rule = reply; rule; rule = sd_netlink_message_next(rule)) { | |
1620 | int k; | |
1621 | ||
1622 | m->enumerating = true; | |
1623 | ||
1624 | k = manager_rtnl_process_rule(m->rtnl, rule, m); | |
1625 | if (k < 0) | |
1626 | r = k; | |
1627 | ||
1628 | m->enumerating = false; | |
1629 | } | |
1630 | ||
1631 | return r; | |
1632 | } | |
1633 | ||
0dd25fb9 | 1634 | int manager_address_pool_acquire(Manager *m, int family, unsigned prefixlen, union in_addr_union *found) { |
11bf3cce LP |
1635 | AddressPool *p; |
1636 | int r; | |
1637 | ||
1638 | assert(m); | |
1639 | assert(prefixlen > 0); | |
1640 | assert(found); | |
1641 | ||
1642 | LIST_FOREACH(address_pools, p, m->address_pools) { | |
1643 | if (p->family != family) | |
1644 | continue; | |
1645 | ||
1646 | r = address_pool_acquire(p, prefixlen, found); | |
1647 | if (r != 0) | |
1648 | return r; | |
1649 | } | |
1650 | ||
1651 | return 0; | |
1652 | } | |
4f5f911e LP |
1653 | |
1654 | Link* manager_find_uplink(Manager *m, Link *exclude) { | |
1655 | _cleanup_free_ struct local_address *gateways = NULL; | |
1656 | int n, i; | |
1657 | ||
1658 | assert(m); | |
1659 | ||
1660 | /* Looks for a suitable "uplink", via black magic: an | |
1661 | * interface that is up and where the default route with the | |
1662 | * highest priority points to. */ | |
1663 | ||
1664 | n = local_gateways(m->rtnl, 0, AF_UNSPEC, &gateways); | |
1665 | if (n < 0) { | |
1666 | log_warning_errno(n, "Failed to determine list of default gateways: %m"); | |
1667 | return NULL; | |
1668 | } | |
1669 | ||
1670 | for (i = 0; i < n; i++) { | |
1671 | Link *link; | |
1672 | ||
1673 | link = hashmap_get(m->links, INT_TO_PTR(gateways[i].ifindex)); | |
1674 | if (!link) { | |
c2c940bd | 1675 | log_debug("Weird, found a gateway for a link we don't know. Ignoring."); |
4f5f911e LP |
1676 | continue; |
1677 | } | |
1678 | ||
1679 | if (link == exclude) | |
1680 | continue; | |
1681 | ||
1682 | if (link->operstate < LINK_OPERSTATE_ROUTABLE) | |
1683 | continue; | |
1684 | ||
1685 | return link; | |
1686 | } | |
1687 | ||
1688 | return NULL; | |
1689 | } | |
84de38c5 TG |
1690 | |
1691 | void manager_dirty(Manager *manager) { | |
1692 | assert(manager); | |
1693 | ||
1694 | /* the serialized state in /run is no longer up-to-date */ | |
1695 | manager->dirty = true; | |
1696 | } | |
59eb33e0 MP |
1697 | |
1698 | static int set_hostname_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { | |
1699 | Manager *manager = userdata; | |
1700 | const sd_bus_error *e; | |
1701 | ||
1702 | assert(m); | |
1703 | assert(manager); | |
1704 | ||
1705 | e = sd_bus_message_get_error(m); | |
1706 | if (e) | |
1707 | log_warning_errno(sd_bus_error_get_errno(e), "Could not set hostname: %s", e->message); | |
1708 | ||
1709 | return 1; | |
1710 | } | |
1711 | ||
1712 | int manager_set_hostname(Manager *m, const char *hostname) { | |
1713 | int r; | |
1714 | ||
1715 | log_debug("Setting transient hostname: '%s'", strna(hostname)); | |
d7afd945 | 1716 | |
7901cea1 MP |
1717 | if (free_and_strdup(&m->dynamic_hostname, hostname) < 0) |
1718 | return log_oom(); | |
59eb33e0 | 1719 | |
d7afd945 | 1720 | if (!m->bus || sd_bus_is_ready(m->bus) <= 0) { |
e0d95f03 | 1721 | log_debug("Not connected to system bus, setting hostname later."); |
59eb33e0 MP |
1722 | return 0; |
1723 | } | |
1724 | ||
1725 | r = sd_bus_call_method_async( | |
1726 | m->bus, | |
1727 | NULL, | |
1728 | "org.freedesktop.hostname1", | |
1729 | "/org/freedesktop/hostname1", | |
1730 | "org.freedesktop.hostname1", | |
1731 | "SetHostname", | |
1732 | set_hostname_handler, | |
1733 | m, | |
1734 | "sb", | |
1735 | hostname, | |
1736 | false); | |
1737 | ||
1738 | if (r < 0) | |
1739 | return log_error_errno(r, "Could not set transient hostname: %m"); | |
1740 | ||
1741 | return 0; | |
1742 | } | |
1743 | ||
1744 | static int set_timezone_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { | |
1745 | Manager *manager = userdata; | |
1746 | const sd_bus_error *e; | |
1747 | ||
1748 | assert(m); | |
1749 | assert(manager); | |
1750 | ||
1751 | e = sd_bus_message_get_error(m); | |
1752 | if (e) | |
1753 | log_warning_errno(sd_bus_error_get_errno(e), "Could not set timezone: %s", e->message); | |
1754 | ||
1755 | return 1; | |
1756 | } | |
1757 | ||
1758 | int manager_set_timezone(Manager *m, const char *tz) { | |
1759 | int r; | |
1760 | ||
1761 | assert(m); | |
1762 | assert(tz); | |
1763 | ||
1764 | log_debug("Setting system timezone: '%s'", tz); | |
7901cea1 MP |
1765 | if (free_and_strdup(&m->dynamic_timezone, tz) < 0) |
1766 | return log_oom(); | |
59eb33e0 | 1767 | |
d7afd945 | 1768 | if (!m->bus || sd_bus_is_ready(m->bus) <= 0) { |
e0d95f03 | 1769 | log_debug("Not connected to system bus, setting timezone later."); |
59eb33e0 MP |
1770 | return 0; |
1771 | } | |
1772 | ||
1773 | r = sd_bus_call_method_async( | |
1774 | m->bus, | |
1775 | NULL, | |
1776 | "org.freedesktop.timedate1", | |
1777 | "/org/freedesktop/timedate1", | |
1778 | "org.freedesktop.timedate1", | |
1779 | "SetTimezone", | |
1780 | set_timezone_handler, | |
1781 | m, | |
1782 | "sb", | |
1783 | tz, | |
1784 | false); | |
1785 | if (r < 0) | |
1786 | return log_error_errno(r, "Could not set timezone: %m"); | |
1787 | ||
1788 | return 0; | |
1789 | } | |
27dfc982 YW |
1790 | |
1791 | int manager_request_product_uuid(Manager *m, Link *link) { | |
1792 | int r; | |
1793 | ||
1794 | assert(m); | |
1795 | ||
1796 | if (m->has_product_uuid) | |
1797 | return 0; | |
1798 | ||
1799 | log_debug("Requesting product UUID"); | |
1800 | ||
1801 | if (link) { | |
1802 | DUID *duid; | |
1803 | ||
1804 | assert_se(duid = link_get_duid(link)); | |
1805 | ||
1806 | r = set_ensure_allocated(&m->links_requesting_uuid, NULL); | |
1807 | if (r < 0) | |
1808 | return log_oom(); | |
1809 | ||
1810 | r = set_ensure_allocated(&m->duids_requesting_uuid, NULL); | |
1811 | if (r < 0) | |
1812 | return log_oom(); | |
1813 | ||
1814 | r = set_put(m->links_requesting_uuid, link); | |
1815 | if (r < 0) | |
1816 | return log_oom(); | |
1817 | ||
1818 | r = set_put(m->duids_requesting_uuid, duid); | |
1819 | if (r < 0) | |
1820 | return log_oom(); | |
1821 | } | |
1822 | ||
1823 | if (!m->bus || sd_bus_is_ready(m->bus) <= 0) { | |
1824 | log_debug("Not connected to system bus, requesting product UUID later."); | |
1825 | return 0; | |
1826 | } | |
1827 | ||
1828 | r = sd_bus_call_method_async( | |
1829 | m->bus, | |
1830 | NULL, | |
1831 | "org.freedesktop.hostname1", | |
1832 | "/org/freedesktop/hostname1", | |
1833 | "org.freedesktop.hostname1", | |
1834 | "GetProductUUID", | |
1835 | get_product_uuid_handler, | |
1836 | m, | |
1837 | "b", | |
1838 | false); | |
1839 | if (r < 0) | |
1840 | return log_warning_errno(r, "Failed to get product UUID: %m"); | |
1841 | ||
1842 | return 0; | |
1843 | } |