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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
f579559b | 2 | |
9aa5d8ba YW |
3 | #include <net/if.h> |
4 | #include <netinet/in.h> | |
01234e1f | 5 | #include <linux/netdevice.h> |
a0b191b7 | 6 | #include <unistd.h> |
69a93e7d | 7 | |
b5efdb8a | 8 | #include "alloc-util.h" |
f579559b TG |
9 | #include "conf-files.h" |
10 | #include "conf-parser.h" | |
37de2509 | 11 | #include "dns-domain.h" |
3ffd4af2 | 12 | #include "fd-util.h" |
07630cea | 13 | #include "hostname-util.h" |
88295a05 | 14 | #include "in-addr-util.h" |
564ca984 | 15 | #include "networkd-dhcp-server.h" |
fc2f9534 | 16 | #include "network-internal.h" |
23f53b99 | 17 | #include "networkd-manager.h" |
3ffd4af2 | 18 | #include "networkd-network.h" |
518cd6b5 | 19 | #include "networkd-sriov.h" |
6bedfcbb | 20 | #include "parse-util.h" |
b0c82192 | 21 | #include "path-lookup.h" |
8a516214 | 22 | #include "set.h" |
cebe1257 | 23 | #include "socket-util.h" |
8fcde012 | 24 | #include "stat-util.h" |
8b43440b | 25 | #include "string-table.h" |
07630cea | 26 | #include "string-util.h" |
700f1186 | 27 | #include "strv.h" |
34658df2 | 28 | #include "tc.h" |
07630cea | 29 | #include "util.h" |
f579559b | 30 | |
c448459d ZJS |
31 | /* Let's assume that anything above this number is a user misconfiguration. */ |
32 | #define MAX_NTP_SERVERS 128 | |
33 | ||
add8d07d | 34 | /* Set defaults following RFC7844 */ |
35 | void network_apply_anonymize_if_set(Network *network) { | |
36 | if (!network->dhcp_anonymize) | |
37 | return; | |
38 | /* RFC7844 3.7 | |
39 | SHOULD NOT send the Host Name option */ | |
40 | network->dhcp_send_hostname = false; | |
41 | /* RFC7844 section 3.: | |
42 | MAY contain the Client Identifier option | |
43 | Section 3.5: | |
44 | clients MUST use client identifiers based solely | |
45 | on the link-layer address */ | |
46 | /* NOTE: Using MAC, as it does not reveal extra information, | |
47 | * and some servers might not answer if this option is not sent */ | |
48 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
49 | /* RFC 7844 3.10: | |
50 | SHOULD NOT use the Vendor Class Identifier option */ | |
727ba17f | 51 | network->dhcp_vendor_class_identifier = mfree(network->dhcp_vendor_class_identifier); |
add8d07d | 52 | /* RFC7844 section 3.6.: |
53 | The client intending to protect its privacy SHOULD only request a | |
54 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
43bf2874 | 55 | the ordering of option codes in the PRL. If this random ordering |
add8d07d | 56 | cannot be implemented, the client MAY order the option codes in the |
57 | PRL by option code number (lowest to highest). | |
58 | */ | |
59 | /* NOTE: dhcp_use_mtu is false by default, | |
60 | * though it was not initiallized to any value in network_load_one. | |
61 | * Maybe there should be another var called *send*? | |
62 | * (to use the MTU sent by the server but to do not send | |
63 | * the option in the PRL). */ | |
64 | network->dhcp_use_mtu = false; | |
28522b0d | 65 | /* NOTE: when Anonymize=yes, the PRL route options are sent by default, |
66 | * but this is needed to use them. */ | |
67 | network->dhcp_use_routes = true; | |
add8d07d | 68 | /* RFC7844 section 3.6. |
69 | * same comments as previous option */ | |
70 | network->dhcp_use_timezone = false; | |
71 | } | |
72 | ||
cebe1257 YW |
73 | static int network_resolve_netdev_one(Network *network, const char *name, NetDevKind kind, NetDev **ret_netdev) { |
74 | const char *kind_string; | |
75 | NetDev *netdev; | |
76 | int r; | |
77 | ||
96db6412 YW |
78 | /* For test-networkd-conf, the check must be earlier than the assertions. */ |
79 | if (!name) | |
80 | return 0; | |
81 | ||
cebe1257 YW |
82 | assert(network); |
83 | assert(network->manager); | |
84 | assert(network->filename); | |
85 | assert(ret_netdev); | |
86 | ||
cebe1257 YW |
87 | if (kind == _NETDEV_KIND_TUNNEL) |
88 | kind_string = "tunnel"; | |
89 | else { | |
90 | kind_string = netdev_kind_to_string(kind); | |
91 | if (!kind_string) | |
92 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
93 | "%s: Invalid NetDev kind of %s, ignoring assignment.", | |
94 | network->filename, name); | |
95 | } | |
96 | ||
97 | r = netdev_get(network->manager, name, &netdev); | |
98 | if (r < 0) | |
99 | return log_error_errno(r, "%s: %s NetDev could not be found, ignoring assignment.", | |
100 | network->filename, name); | |
101 | ||
102 | if (netdev->kind != kind && !(kind == _NETDEV_KIND_TUNNEL && | |
103 | IN_SET(netdev->kind, | |
104 | NETDEV_KIND_IPIP, | |
105 | NETDEV_KIND_SIT, | |
106 | NETDEV_KIND_GRE, | |
107 | NETDEV_KIND_GRETAP, | |
108 | NETDEV_KIND_IP6GRE, | |
109 | NETDEV_KIND_IP6GRETAP, | |
110 | NETDEV_KIND_VTI, | |
111 | NETDEV_KIND_VTI6, | |
9282f75b YW |
112 | NETDEV_KIND_IP6TNL, |
113 | NETDEV_KIND_ERSPAN))) | |
cebe1257 YW |
114 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
115 | "%s: NetDev %s is not a %s, ignoring assignment", | |
116 | network->filename, name, kind_string); | |
117 | ||
118 | *ret_netdev = netdev_ref(netdev); | |
119 | return 1; | |
120 | } | |
121 | ||
122 | static int network_resolve_stacked_netdevs(Network *network) { | |
123 | void *name, *kind; | |
124 | Iterator i; | |
125 | int r; | |
126 | ||
127 | assert(network); | |
128 | ||
129 | HASHMAP_FOREACH_KEY(kind, name, network->stacked_netdev_names, i) { | |
130 | _cleanup_(netdev_unrefp) NetDev *netdev = NULL; | |
131 | ||
132 | r = network_resolve_netdev_one(network, name, PTR_TO_INT(kind), &netdev); | |
133 | if (r <= 0) | |
134 | continue; | |
135 | ||
136 | r = hashmap_ensure_allocated(&network->stacked_netdevs, &string_hash_ops); | |
137 | if (r < 0) | |
138 | return log_oom(); | |
139 | ||
140 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); | |
141 | if (r < 0) | |
142 | return log_error_errno(r, "%s: Failed to add NetDev '%s' to network: %m", | |
143 | network->filename, (const char *) name); | |
144 | ||
145 | netdev = NULL; | |
146 | } | |
147 | ||
148 | return 0; | |
149 | } | |
150 | ||
96db6412 | 151 | int network_verify(Network *network) { |
95081e08 | 152 | RoutePrefix *route_prefix, *route_prefix_next; |
564ca984 | 153 | RoutingPolicyRule *rule, *rule_next; |
fcbf4cb7 YW |
154 | Neighbor *neighbor, *neighbor_next; |
155 | AddressLabel *label, *label_next; | |
c16c7808 | 156 | NextHop *nexthop, *nextnop_next; |
564ca984 SS |
157 | Address *address, *address_next; |
158 | Prefix *prefix, *prefix_next; | |
159 | Route *route, *route_next; | |
160 | FdbEntry *fdb, *fdb_next; | |
34658df2 | 161 | TrafficControl *tc; |
518cd6b5 | 162 | SRIOV *sr_iov; |
8efb93f0 | 163 | Iterator i; |
0321cea7 YW |
164 | |
165 | assert(network); | |
166 | assert(network->filename); | |
167 | ||
4bb7cc82 YW |
168 | if (set_isempty(network->match_mac) && set_isempty(network->match_permanent_mac) && |
169 | strv_isempty(network->match_path) && strv_isempty(network->match_driver) && | |
170 | strv_isempty(network->match_type) && strv_isempty(network->match_name) && | |
25c86e4c DDM |
171 | strv_isempty(network->match_property) && strv_isempty(network->match_wlan_iftype) && |
172 | strv_isempty(network->match_ssid) && !network->conditions) | |
dade7349 ZJS |
173 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
174 | "%s: No valid settings found in the [Match] section, ignoring file. " | |
175 | "To match all interfaces, add Name=* in the [Match] section.", | |
176 | network->filename); | |
84ea567e | 177 | |
cebe1257 | 178 | /* skip out early if configuration does not match the environment */ |
a0b191b7 | 179 | if (!condition_test_list(network->conditions, environ, NULL, NULL, NULL)) |
cebe1257 | 180 | return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), |
3772cfde ZJS |
181 | "%s: Conditions in the file do not match the system environment, skipping.", |
182 | network->filename); | |
cebe1257 YW |
183 | |
184 | (void) network_resolve_netdev_one(network, network->bond_name, NETDEV_KIND_BOND, &network->bond); | |
185 | (void) network_resolve_netdev_one(network, network->bridge_name, NETDEV_KIND_BRIDGE, &network->bridge); | |
186 | (void) network_resolve_netdev_one(network, network->vrf_name, NETDEV_KIND_VRF, &network->vrf); | |
187 | (void) network_resolve_stacked_netdevs(network); | |
188 | ||
189 | /* Free unnecessary entries. */ | |
190 | network->bond_name = mfree(network->bond_name); | |
191 | network->bridge_name = mfree(network->bridge_name); | |
192 | network->vrf_name = mfree(network->vrf_name); | |
193 | network->stacked_netdev_names = hashmap_free_free_key(network->stacked_netdev_names); | |
194 | ||
0321cea7 YW |
195 | if (network->bond) { |
196 | /* Bonding slave does not support addressing. */ | |
197 | if (network->ipv6_accept_ra > 0) { | |
ab24039f ZJS |
198 | log_warning("%s: Cannot enable IPv6AcceptRA= when Bond= is specified, disabling IPv6AcceptRA=.", |
199 | network->filename); | |
0321cea7 YW |
200 | network->ipv6_accept_ra = 0; |
201 | } | |
202 | if (network->link_local >= 0 && network->link_local != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
203 | log_warning("%s: Cannot enable LinkLocalAddressing= when Bond= is specified, disabling LinkLocalAddressing=.", |
204 | network->filename); | |
0321cea7 YW |
205 | network->link_local = ADDRESS_FAMILY_NO; |
206 | } | |
207 | if (network->dhcp != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
208 | log_warning("%s: Cannot enable DHCP= when Bond= is specified, disabling DHCP=.", |
209 | network->filename); | |
0321cea7 YW |
210 | network->dhcp = ADDRESS_FAMILY_NO; |
211 | } | |
212 | if (network->dhcp_server) { | |
ab24039f ZJS |
213 | log_warning("%s: Cannot enable DHCPServer= when Bond= is specified, disabling DHCPServer=.", |
214 | network->filename); | |
0321cea7 YW |
215 | network->dhcp_server = false; |
216 | } | |
217 | if (network->n_static_addresses > 0) { | |
ab24039f ZJS |
218 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
219 | network->filename); | |
0321cea7 YW |
220 | while ((address = network->static_addresses)) |
221 | address_free(address); | |
222 | } | |
223 | if (network->n_static_routes > 0) { | |
ab24039f ZJS |
224 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
225 | network->filename); | |
0321cea7 YW |
226 | while ((route = network->static_routes)) |
227 | route_free(route); | |
228 | } | |
229 | } | |
230 | ||
231 | if (network->link_local < 0) | |
8f191801 YW |
232 | network->link_local = network->bridge ? ADDRESS_FAMILY_NO : ADDRESS_FAMILY_IPV6; |
233 | ||
44013aa4 YW |
234 | if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) { |
235 | if (network->ipv6_accept_ra > 0) { | |
236 | log_warning("%s: IPv6AcceptRA= is enabled by the .network file but IPv6 link local addressing is disabled. " | |
237 | "Disabling IPv6AcceptRA=.", network->filename); | |
238 | network->ipv6_accept_ra = false; | |
239 | } | |
240 | ||
241 | if (FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV6)) { | |
242 | log_warning("%s: DHCPv6 client is enabled by the .network file but IPv6 link local addressing is disabled. " | |
243 | "Disabling DHCPv6 client.", network->filename); | |
244 | SET_FLAG(network->dhcp, ADDRESS_FAMILY_IPV6, false); | |
245 | } | |
246 | ||
247 | if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE) { | |
248 | log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. " | |
249 | "Disabling IPv6PrefixDelegation=.", network->filename); | |
250 | network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE; | |
251 | } | |
252 | } | |
253 | ||
29e81083 YW |
254 | if (FLAGS_SET(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4) && |
255 | !FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV4)) { | |
256 | log_warning("%s: fallback assignment of IPv4 link local address is enabled but DHCPv4 is disabled. " | |
257 | "Disabling the fallback assignment.", network->filename); | |
258 | SET_FLAG(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4, false); | |
259 | } | |
260 | ||
8f191801 YW |
261 | if (network->ipv6_accept_ra < 0 && network->bridge) |
262 | network->ipv6_accept_ra = false; | |
0321cea7 YW |
263 | |
264 | /* IPMasquerade=yes implies IPForward=yes */ | |
265 | if (network->ip_masquerade) | |
266 | network->ip_forward |= ADDRESS_FAMILY_IPV4; | |
267 | ||
933c70a0 | 268 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
269 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
270 | "Disabling UseMTU=.", network->filename); | |
271 | network->dhcp_use_mtu = false; | |
272 | } | |
273 | ||
589397a2 DS |
274 | if (network->dhcp_use_gateway < 0) |
275 | network->dhcp_use_gateway = network->dhcp_use_routes; | |
276 | ||
bd0d471c DS |
277 | if (network->ignore_carrier_loss < 0) |
278 | network->ignore_carrier_loss = network->configure_without_carrier; | |
279 | ||
7da377ef SS |
280 | if (network->dhcp_critical >= 0) { |
281 | if (network->keep_configuration >= 0) | |
282 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
283 | "Ignoring CriticalConnection=.", network->filename); | |
284 | else if (network->dhcp_critical) | |
285 | /* CriticalConnection=yes also preserve foreign static configurations. */ | |
286 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
287 | else | |
80060352 | 288 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
289 | } |
290 | ||
291 | if (network->keep_configuration < 0) | |
80060352 | 292 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 293 | |
4bec2f23 | 294 | LIST_FOREACH_SAFE(addresses, address, address_next, network->static_addresses) |
fcbf4cb7 | 295 | if (address_section_verify(address) < 0) |
4bec2f23 | 296 | address_free(address); |
4bec2f23 | 297 | |
fcbf4cb7 YW |
298 | LIST_FOREACH_SAFE(routes, route, route_next, network->static_routes) |
299 | if (route_section_verify(route, network) < 0) | |
4bec2f23 | 300 | route_free(route); |
0321cea7 | 301 | |
c16c7808 SS |
302 | LIST_FOREACH_SAFE(nexthops, nexthop, nextnop_next, network->static_nexthops) |
303 | if (nexthop_section_verify(nexthop) < 0) | |
304 | nexthop_free(nexthop); | |
305 | ||
fcbf4cb7 YW |
306 | LIST_FOREACH_SAFE(static_fdb_entries, fdb, fdb_next, network->static_fdb_entries) |
307 | if (section_is_invalid(fdb->section)) | |
308 | fdb_entry_free(fdb); | |
309 | ||
310 | LIST_FOREACH_SAFE(neighbors, neighbor, neighbor_next, network->neighbors) | |
044d4b40 | 311 | if (neighbor_section_verify(neighbor) < 0) |
fcbf4cb7 YW |
312 | neighbor_free(neighbor); |
313 | ||
314 | LIST_FOREACH_SAFE(labels, label, label_next, network->address_labels) | |
315 | if (section_is_invalid(label->section)) | |
316 | address_label_free(label); | |
317 | ||
318 | LIST_FOREACH_SAFE(prefixes, prefix, prefix_next, network->static_prefixes) | |
319 | if (section_is_invalid(prefix->section)) | |
320 | prefix_free(prefix); | |
321 | ||
95081e08 YW |
322 | LIST_FOREACH_SAFE(route_prefixes, route_prefix, route_prefix_next, network->static_route_prefixes) |
323 | if (section_is_invalid(route_prefix->section)) | |
324 | route_prefix_free(route_prefix); | |
714a199e | 325 | |
fcbf4cb7 | 326 | LIST_FOREACH_SAFE(rules, rule, rule_next, network->rules) |
0aabccc8 | 327 | if (routing_policy_rule_section_verify(rule) < 0) |
fcbf4cb7 | 328 | routing_policy_rule_free(rule); |
4912ab77 | 329 | |
8efb93f0 | 330 | bool has_root = false, has_clsact = false; |
34658df2 YW |
331 | ORDERED_HASHMAP_FOREACH(tc, network->tc_by_section, i) |
332 | if (traffic_control_section_verify(tc, &has_root, &has_clsact) < 0) | |
333 | traffic_control_free(tc); | |
8efb93f0 | 334 | |
518cd6b5 SS |
335 | ORDERED_HASHMAP_FOREACH(sr_iov, network->sr_iov_by_section, i) |
336 | if (sr_iov_section_verify(sr_iov) < 0) | |
337 | sr_iov_free(sr_iov); | |
338 | ||
0321cea7 YW |
339 | return 0; |
340 | } | |
341 | ||
7f06b3e1 | 342 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 343 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 344 | _cleanup_(network_unrefp) Network *network = NULL; |
f579559b | 345 | _cleanup_fclose_ FILE *file = NULL; |
047a0dac | 346 | const char *dropin_dirname; |
838b2f7a | 347 | char *d; |
f579559b TG |
348 | int r; |
349 | ||
bf1bc670 TA |
350 | assert(manager); |
351 | assert(filename); | |
352 | ||
f579559b TG |
353 | file = fopen(filename, "re"); |
354 | if (!file) { | |
355 | if (errno == ENOENT) | |
356 | return 0; | |
1e7a0e21 LP |
357 | |
358 | return -errno; | |
f579559b TG |
359 | } |
360 | ||
ed88bcfb ZJS |
361 | if (null_or_empty_fd(fileno(file))) { |
362 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
363 | return 0; |
364 | } | |
365 | ||
838b2f7a YW |
366 | fname = strdup(filename); |
367 | if (!fname) | |
368 | return log_oom(); | |
369 | ||
370 | name = strdup(basename(filename)); | |
371 | if (!name) | |
372 | return log_oom(); | |
373 | ||
374 | d = strrchr(name, '.'); | |
375 | if (!d) | |
376 | return -EINVAL; | |
377 | ||
378 | *d = '\0'; | |
379 | ||
380 | dropin_dirname = strjoina(name, ".network.d"); | |
381 | ||
17f9c355 | 382 | network = new(Network, 1); |
f579559b TG |
383 | if (!network) |
384 | return log_oom(); | |
385 | ||
17f9c355 | 386 | *network = (Network) { |
838b2f7a YW |
387 | .filename = TAKE_PTR(fname), |
388 | .name = TAKE_PTR(name), | |
17f9c355 | 389 | |
715d398e | 390 | .manager = manager, |
35ac3b76 YW |
391 | .n_ref = 1, |
392 | ||
17f9c355 | 393 | .required_for_online = true, |
75cd4a5d | 394 | .required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT, |
17f9c355 | 395 | .dhcp = ADDRESS_FAMILY_NO, |
7da377ef | 396 | .dhcp_critical = -1, |
17f9c355 | 397 | .dhcp_use_ntp = true, |
299d578f | 398 | .dhcp_use_sip = true, |
17f9c355 YW |
399 | .dhcp_use_dns = true, |
400 | .dhcp_use_hostname = true, | |
401 | .dhcp_use_routes = true, | |
589397a2 | 402 | .dhcp_use_gateway = -1, |
5238e957 | 403 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 | 404 | .dhcp_send_hostname = true, |
5f3b5f19 | 405 | .dhcp_send_release = true, |
17f9c355 YW |
406 | /* To enable/disable RFC7844 Anonymity Profiles */ |
407 | .dhcp_anonymize = false, | |
408 | .dhcp_route_metric = DHCP_ROUTE_METRIC, | |
c9c908a6 | 409 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 YW |
410 | .dhcp_client_identifier = DHCP_CLIENT_ID_DUID, |
411 | .dhcp_route_table = RT_TABLE_MAIN, | |
412 | .dhcp_route_table_set = false, | |
413 | /* NOTE: from man: UseMTU=... Defaults to false*/ | |
414 | .dhcp_use_mtu = false, | |
415 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ | |
416 | .dhcp_use_timezone = false, | |
417 | .rapid_commit = true, | |
418 | ||
1bf1bfd9 | 419 | .dhcp6_route_metric = DHCP_ROUTE_METRIC, |
caa8ca42 SS |
420 | .dhcp6_use_ntp = true, |
421 | .dhcp6_use_dns = true, | |
422 | ||
9efa8a3c SS |
423 | .dhcp6_pd_assign_prefix = true, |
424 | ||
2a71d57f LP |
425 | .dhcp_server_emit[SD_DHCP_LEASE_DNS].emit = true, |
426 | .dhcp_server_emit[SD_DHCP_LEASE_NTP].emit = true, | |
427 | .dhcp_server_emit[SD_DHCP_LEASE_SIP].emit = true, | |
428 | ||
17f9c355 YW |
429 | .dhcp_server_emit_router = true, |
430 | .dhcp_server_emit_timezone = true, | |
431 | ||
02e9e34b | 432 | .router_prefix_subnet_id = -1, |
17f9c355 YW |
433 | .router_emit_dns = true, |
434 | .router_emit_domains = true, | |
435 | ||
436 | .use_bpdu = -1, | |
437 | .hairpin = -1, | |
438 | .fast_leave = -1, | |
439 | .allow_port_to_be_root = -1, | |
440 | .unicast_flood = -1, | |
7f15b714 | 441 | .multicast_flood = -1, |
d3aa8b49 | 442 | .multicast_to_unicast = -1, |
7f15b714 TJ |
443 | .neighbor_suppression = -1, |
444 | .learning = -1, | |
1087623b SS |
445 | .bridge_proxy_arp = -1, |
446 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 447 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 448 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 YW |
449 | |
450 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, | |
451 | ||
7ece6f58 | 452 | .dns_default_route = -1, |
17f9c355 YW |
453 | .llmnr = RESOLVE_SUPPORT_YES, |
454 | .mdns = RESOLVE_SUPPORT_NO, | |
455 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
456 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
457 | ||
0321cea7 | 458 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 459 | .link_local = _ADDRESS_FAMILY_INVALID, |
6f6296b9 | 460 | .ipv6ll_address_gen_mode = _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID, |
17f9c355 | 461 | |
94d76d07 YW |
462 | .ipv4_accept_local = -1, |
463 | ||
17f9c355 YW |
464 | .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO, |
465 | .ipv6_accept_ra = -1, | |
466 | .ipv6_dad_transmits = -1, | |
467 | .ipv6_hop_limit = -1, | |
468 | .ipv6_proxy_ndp = -1, | |
469 | .duid.type = _DUID_TYPE_INVALID, | |
470 | .proxy_arp = -1, | |
471 | .arp = -1, | |
472 | .multicast = -1, | |
473 | .allmulticast = -1, | |
474 | .ipv6_accept_ra_use_dns = true, | |
062c2eea SS |
475 | .ipv6_accept_ra_use_autonomous_prefix = true, |
476 | .ipv6_accept_ra_use_onlink_prefix = true, | |
17f9c355 | 477 | .ipv6_accept_ra_route_table = RT_TABLE_MAIN, |
d5fa3339 | 478 | .ipv6_accept_ra_route_table_set = false, |
d739fdde | 479 | .ipv6_accept_ra_start_dhcp6_client = true, |
c423be28 | 480 | |
bd0d471c DS |
481 | .configure_without_carrier = false, |
482 | .ignore_carrier_loss = -1, | |
7da377ef | 483 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, |
c423be28 | 484 | .can_triple_sampling = -1, |
52aa38f1 | 485 | .can_termination = -1, |
afe42aef | 486 | .ip_service_type = -1, |
17f9c355 | 487 | }; |
f579559b | 488 | |
4f9ff96a LP |
489 | r = config_parse_many( |
490 | filename, NETWORK_DIRS, dropin_dirname, | |
491 | "Match\0" | |
492 | "Link\0" | |
518cd6b5 | 493 | "SR-IOV\0" |
4f9ff96a LP |
494 | "Network\0" |
495 | "Address\0" | |
496 | "Neighbor\0" | |
497 | "IPv6AddressLabel\0" | |
498 | "RoutingPolicyRule\0" | |
499 | "Route\0" | |
500 | "NextHop\0" | |
501 | "DHCP\0" /* compat */ | |
502 | "DHCPv4\0" | |
503 | "DHCPv6\0" | |
504 | "DHCPServer\0" | |
505 | "IPv6AcceptRA\0" | |
506 | "IPv6NDPProxyAddress\0" | |
507 | "Bridge\0" | |
508 | "BridgeFDB\0" | |
509 | "BridgeVLAN\0" | |
510 | "IPv6PrefixDelegation\0" | |
511 | "IPv6Prefix\0" | |
512 | "IPv6RoutePrefix\0" | |
513 | "LLDP\0" | |
514 | "TrafficControlQueueingDiscipline\0" | |
515 | "CAN\0" | |
516 | "QDisc\0" | |
517 | "BFIFO\0" | |
518 | "CAKE\0" | |
519 | "ControlledDelay\0" | |
520 | "DeficitRoundRobinScheduler\0" | |
521 | "DeficitRoundRobinSchedulerClass\0" | |
d474aa51 | 522 | "EnhancedTransmissionSelection\0" |
4f9ff96a LP |
523 | "FairQueueing\0" |
524 | "FairQueueingControlledDelay\0" | |
525 | "GenericRandomEarlyDetection\0" | |
526 | "HeavyHitterFilter\0" | |
527 | "HierarchyTokenBucket\0" | |
528 | "HierarchyTokenBucketClass\0" | |
529 | "NetworkEmulator\0" | |
b12aaee5 SS |
530 | "PFIFO\0" |
531 | "PFIFOFast\0" | |
532 | "PFIFOHeadDrop\0" | |
4f9ff96a | 533 | "PIE\0" |
b12aaee5 | 534 | "QuickFairQueueing\0" |
4d7ddaf9 | 535 | "QuickFairQueueingClass\0" |
4f9ff96a LP |
536 | "StochasticFairBlue\0" |
537 | "StochasticFairnessQueueing\0" | |
538 | "TokenBucketFilter\0" | |
539 | "TrivialLinkEqualizer\0", | |
540 | config_item_perf_lookup, network_network_gperf_lookup, | |
541 | CONFIG_PARSE_WARN, | |
542 | network, | |
543 | &network->timestamp); | |
102bc043 | 544 | if (r < 0) |
f579559b | 545 | return r; |
f579559b | 546 | |
add8d07d | 547 | network_apply_anonymize_if_set(network); |
548 | ||
fa7cd711 YW |
549 | r = network_add_ipv4ll_route(network); |
550 | if (r < 0) | |
551 | log_warning_errno(r, "%s: Failed to add IPv4LL route, ignoring: %m", network->filename); | |
552 | ||
5d5003ab YW |
553 | r = network_add_default_route_on_device(network); |
554 | if (r < 0) | |
555 | log_warning_errno(r, "%s: Failed to add default route on device, ignoring: %m", | |
556 | network->filename); | |
557 | ||
7f06b3e1 YW |
558 | if (network_verify(network) < 0) |
559 | /* Ignore .network files that do not match the conditions. */ | |
560 | return 0; | |
561 | ||
562 | r = ordered_hashmap_ensure_allocated(networks, &string_hash_ops); | |
dbffab87 TG |
563 | if (r < 0) |
564 | return r; | |
565 | ||
7f06b3e1 | 566 | r = ordered_hashmap_put(*networks, network->name, network); |
dbffab87 TG |
567 | if (r < 0) |
568 | return r; | |
569 | ||
f579559b | 570 | network = NULL; |
f579559b TG |
571 | return 0; |
572 | } | |
573 | ||
7f06b3e1 | 574 | int network_load(Manager *manager, OrderedHashmap **networks) { |
477e73b5 ZJS |
575 | _cleanup_strv_free_ char **files = NULL; |
576 | char **f; | |
f579559b TG |
577 | int r; |
578 | ||
579 | assert(manager); | |
580 | ||
7f06b3e1 | 581 | ordered_hashmap_clear_with_destructor(*networks, network_unref); |
f579559b | 582 | |
dc0d4078 | 583 | r = conf_files_list_strv(&files, ".network", NULL, 0, NETWORK_DIRS); |
f647962d MS |
584 | if (r < 0) |
585 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b | 586 | |
715d398e | 587 | STRV_FOREACH(f, files) { |
7f06b3e1 | 588 | r = network_load_one(manager, networks, *f); |
f579559b | 589 | if (r < 0) |
be711082 | 590 | log_error_errno(r, "Failed to load %s, ignoring: %m", *f); |
f579559b TG |
591 | } |
592 | ||
f579559b TG |
593 | return 0; |
594 | } | |
595 | ||
7f06b3e1 YW |
596 | int network_reload(Manager *manager) { |
597 | OrderedHashmap *new_networks = NULL; | |
598 | Network *n, *old; | |
599 | Iterator i; | |
600 | int r; | |
601 | ||
602 | assert(manager); | |
603 | ||
604 | r = network_load(manager, &new_networks); | |
605 | if (r < 0) | |
606 | goto failure; | |
607 | ||
608 | ORDERED_HASHMAP_FOREACH(n, new_networks, i) { | |
609 | r = network_get_by_name(manager, n->name, &old); | |
610 | if (r < 0) | |
611 | continue; /* The .network file is new. */ | |
612 | ||
613 | if (n->timestamp != old->timestamp) | |
614 | continue; /* The .network file is modified. */ | |
615 | ||
616 | if (!streq(n->filename, old->filename)) | |
617 | continue; | |
618 | ||
619 | r = ordered_hashmap_replace(new_networks, old->name, old); | |
620 | if (r < 0) | |
621 | goto failure; | |
622 | ||
623 | network_ref(old); | |
624 | network_unref(n); | |
625 | } | |
626 | ||
627 | ordered_hashmap_free_with_destructor(manager->networks, network_unref); | |
628 | manager->networks = new_networks; | |
629 | ||
630 | return 0; | |
631 | ||
632 | failure: | |
633 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
634 | ||
635 | return r; | |
636 | } | |
637 | ||
35ac3b76 | 638 | static Network *network_free(Network *network) { |
a0e5c15d | 639 | IPv6ProxyNDPAddress *ipv6_proxy_ndp_address; |
95081e08 | 640 | RoutePrefix *route_prefix; |
bce67bbe | 641 | RoutingPolicyRule *rule; |
95081e08 | 642 | AddressLabel *label; |
bce67bbe | 643 | FdbEntry *fdb_entry; |
e4a71bf3 | 644 | Neighbor *neighbor; |
bce67bbe | 645 | Address *address; |
c16c7808 SS |
646 | NextHop *nexthop; |
647 | Prefix *prefix; | |
bce67bbe | 648 | Route *route; |
f579559b TG |
649 | |
650 | if (!network) | |
35ac3b76 | 651 | return NULL; |
f579559b TG |
652 | |
653 | free(network->filename); | |
654 | ||
e90d0374 | 655 | set_free_free(network->match_mac); |
4bb7cc82 | 656 | set_free_free(network->match_permanent_mac); |
5256e00e TG |
657 | strv_free(network->match_path); |
658 | strv_free(network->match_driver); | |
659 | strv_free(network->match_type); | |
660 | strv_free(network->match_name); | |
44005bfb | 661 | strv_free(network->match_property); |
78404d22 | 662 | strv_free(network->match_wlan_iftype); |
8d968fdd | 663 | strv_free(network->match_ssid); |
277ba8d1 | 664 | set_free_free(network->match_bssid); |
c4f58dea | 665 | condition_free_list(network->conditions); |
f579559b TG |
666 | |
667 | free(network->description); | |
edb85f0d | 668 | free(network->dhcp_vendor_class_identifier); |
7b8d23a9 | 669 | free(network->dhcp_mudurl); |
af1c0de0 | 670 | strv_free(network->dhcp_user_class); |
27cb34f5 | 671 | free(network->dhcp_hostname); |
6b000af4 | 672 | set_free(network->dhcp_deny_listed_ip); |
98ebef62 | 673 | set_free(network->dhcp_allow_listed_ip); |
5bc945be | 674 | set_free(network->dhcp_request_options); |
35f6a5cb | 675 | set_free(network->dhcp6_request_options); |
c106cc36 | 676 | free(network->mac); |
3175a8c2 | 677 | free(network->dhcp6_mudurl); |
f37f2a6b | 678 | strv_free(network->dhcp6_user_class); |
ed0d1b2e | 679 | strv_free(network->dhcp6_vendor_class); |
c106cc36 | 680 | |
0f3ff4ea SS |
681 | if (network->dhcp_acd) |
682 | sd_ipv4acd_unref(network->dhcp_acd); | |
683 | ||
b0e39c82 | 684 | strv_free(network->ntp); |
5512a963 | 685 | free(network->dns); |
5e2a51d5 ZJS |
686 | ordered_set_free_free(network->search_domains); |
687 | ordered_set_free_free(network->route_domains); | |
0d4ad91d | 688 | strv_free(network->bind_carrier); |
cdd7812b | 689 | |
5e2a51d5 | 690 | ordered_set_free_free(network->router_search_domains); |
cdd7812b | 691 | free(network->router_dns); |
6b000af4 | 692 | set_free_free(network->ndisc_deny_listed_prefix); |
3bef724f | 693 | |
cebe1257 YW |
694 | free(network->bridge_name); |
695 | free(network->bond_name); | |
696 | free(network->vrf_name); | |
697 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 698 | netdev_unref(network->bridge); |
47e2dc31 | 699 | netdev_unref(network->bond); |
6cb955c6 | 700 | netdev_unref(network->vrf); |
fa6f1e54 | 701 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 702 | |
f048a16b | 703 | while ((route = network->static_routes)) |
f579559b TG |
704 | route_free(route); |
705 | ||
c16c7808 SS |
706 | while ((nexthop = network->static_nexthops)) |
707 | nexthop_free(nexthop); | |
708 | ||
f048a16b | 709 | while ((address = network->static_addresses)) |
f579559b TG |
710 | address_free(address); |
711 | ||
b98b483b AR |
712 | while ((fdb_entry = network->static_fdb_entries)) |
713 | fdb_entry_free(fdb_entry); | |
714 | ||
a0e5c15d FK |
715 | while ((ipv6_proxy_ndp_address = network->ipv6_proxy_ndp_addresses)) |
716 | ipv6_proxy_ndp_address_free(ipv6_proxy_ndp_address); | |
717 | ||
e4a71bf3 WKI |
718 | while ((neighbor = network->neighbors)) |
719 | neighbor_free(neighbor); | |
720 | ||
95b74ef6 SS |
721 | while ((label = network->address_labels)) |
722 | address_label_free(label); | |
723 | ||
057abfd8 PF |
724 | while ((prefix = network->static_prefixes)) |
725 | prefix_free(prefix); | |
726 | ||
95081e08 YW |
727 | while ((route_prefix = network->static_route_prefixes)) |
728 | route_prefix_free(route_prefix); | |
9be6ae77 | 729 | |
bce67bbe SS |
730 | while ((rule = network->rules)) |
731 | routing_policy_rule_free(rule); | |
732 | ||
6ae115c1 TG |
733 | hashmap_free(network->addresses_by_section); |
734 | hashmap_free(network->routes_by_section); | |
c16c7808 | 735 | hashmap_free(network->nexthops_by_section); |
b98b483b | 736 | hashmap_free(network->fdb_entries_by_section); |
e4a71bf3 | 737 | hashmap_free(network->neighbors_by_section); |
95b74ef6 | 738 | hashmap_free(network->address_labels_by_section); |
057abfd8 | 739 | hashmap_free(network->prefixes_by_section); |
9be6ae77 | 740 | hashmap_free(network->route_prefixes_by_section); |
bce67bbe | 741 | hashmap_free(network->rules_by_section); |
518cd6b5 | 742 | ordered_hashmap_free_with_destructor(network->sr_iov_by_section, sr_iov_free); |
34658df2 | 743 | ordered_hashmap_free_with_destructor(network->tc_by_section, traffic_control_free); |
6ae115c1 | 744 | |
7f06b3e1 YW |
745 | if (network->manager && |
746 | network->manager->duids_requesting_uuid) | |
747 | set_remove(network->manager->duids_requesting_uuid, &network->duid); | |
dbffab87 TG |
748 | |
749 | free(network->name); | |
f579559b | 750 | |
8eb9058d | 751 | free(network->dhcp_server_timezone); |
2a71d57f LP |
752 | |
753 | for (sd_dhcp_lease_server_type t = 0; t < _SD_DHCP_LEASE_SERVER_TYPE_MAX; t++) | |
754 | free(network->dhcp_server_emit[t].addresses); | |
8eb9058d | 755 | |
8a516214 LP |
756 | set_free_free(network->dnssec_negative_trust_anchors); |
757 | ||
e9a8c550 SS |
758 | free(network->lldp_mud); |
759 | ||
0e96961d | 760 | ordered_hashmap_free(network->dhcp_client_send_options); |
7354900d | 761 | ordered_hashmap_free(network->dhcp_client_send_vendor_options); |
0e96961d | 762 | ordered_hashmap_free(network->dhcp_server_send_options); |
7354900d | 763 | ordered_hashmap_free(network->dhcp_server_send_vendor_options); |
5f506a55 | 764 | ordered_hashmap_free(network->ipv6_tokens); |
1c3ec1cd | 765 | ordered_hashmap_free(network->dhcp6_client_send_options); |
b4ccc5de | 766 | ordered_hashmap_free(network->dhcp6_client_send_vendor_options); |
cb29c156 | 767 | |
35ac3b76 | 768 | return mfree(network); |
f579559b TG |
769 | } |
770 | ||
35ac3b76 YW |
771 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
772 | ||
dbffab87 TG |
773 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
774 | Network *network; | |
775 | ||
776 | assert(manager); | |
777 | assert(name); | |
778 | assert(ret); | |
779 | ||
715d398e | 780 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
781 | if (!network) |
782 | return -ENOENT; | |
783 | ||
784 | *ret = network; | |
785 | ||
786 | return 0; | |
787 | } | |
788 | ||
ef62949a | 789 | int network_get(Manager *manager, unsigned short iftype, sd_device *device, |
c643bda5 YW |
790 | const char *ifname, char * const *alternative_names, const char *driver, |
791 | const struct ether_addr *mac, const struct ether_addr *permanent_mac, | |
78404d22 YW |
792 | enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, |
793 | Network **ret) { | |
51517f9e | 794 | Network *network; |
715d398e | 795 | Iterator i; |
f579559b TG |
796 | |
797 | assert(manager); | |
f579559b | 798 | assert(ret); |
af3aa302 | 799 | |
715d398e | 800 | ORDERED_HASHMAP_FOREACH(network, manager->networks, i) |
4bb7cc82 YW |
801 | if (net_match_config(network->match_mac, network->match_permanent_mac, |
802 | network->match_path, network->match_driver, | |
44005bfb | 803 | network->match_type, network->match_name, network->match_property, |
78404d22 | 804 | network->match_wlan_iftype, network->match_ssid, network->match_bssid, |
c643bda5 | 805 | device, mac, permanent_mac, driver, iftype, |
4bb7cc82 | 806 | ifname, alternative_names, wlan_iftype, ssid, bssid)) { |
24c083df | 807 | if (network->match_name && device) { |
ca6038b8 TG |
808 | const char *attr; |
809 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
810 | ||
51517f9e | 811 | if (sd_device_get_sysattr_value(device, "name_assign_type", &attr) >= 0) |
dc751688 | 812 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
813 | |
814 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
815 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
816 | ifname, network->filename); | |
32bc8adc | 817 | else |
a2fae7bb | 818 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 819 | } else |
a2fae7bb | 820 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 821 | |
f579559b TG |
822 | *ret = network; |
823 | return 0; | |
824 | } | |
f579559b TG |
825 | |
826 | *ret = NULL; | |
827 | ||
828 | return -ENOENT; | |
829 | } | |
830 | ||
7d342c03 | 831 | int network_apply(Network *network, Link *link) { |
c4a03a56 TG |
832 | assert(network); |
833 | assert(link); | |
834 | ||
c9c908a6 | 835 | link->network = network_ref(network); |
f579559b | 836 | |
5512a963 | 837 | if (network->n_dns > 0 || |
3df9bec5 | 838 | !strv_isempty(network->ntp) || |
5e2a51d5 ZJS |
839 | !ordered_set_isempty(network->search_domains) || |
840 | !ordered_set_isempty(network->route_domains)) | |
84de38c5 | 841 | link_dirty(link); |
3bef724f | 842 | |
f579559b TG |
843 | return 0; |
844 | } | |
02b59d57 | 845 | |
adfeee49 | 846 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 847 | Address *address; |
adfeee49 YW |
848 | Route *route; |
849 | FdbEntry *fdb; | |
850 | Neighbor *neighbor; | |
439689c6 SS |
851 | |
852 | assert(network); | |
853 | ||
adfeee49 | 854 | LIST_FOREACH(addresses, address, network->static_addresses) |
439689c6 SS |
855 | if (address->family == AF_INET6) |
856 | return true; | |
adfeee49 YW |
857 | |
858 | LIST_FOREACH(routes, route, network->static_routes) | |
859 | if (route->family == AF_INET6) | |
860 | return true; | |
861 | ||
862 | LIST_FOREACH(static_fdb_entries, fdb, network->static_fdb_entries) | |
863 | if (fdb->family == AF_INET6) | |
864 | return true; | |
865 | ||
866 | LIST_FOREACH(neighbors, neighbor, network->neighbors) | |
867 | if (neighbor->family == AF_INET6) | |
868 | return true; | |
869 | ||
870 | if (!LIST_IS_EMPTY(network->address_labels)) | |
871 | return true; | |
872 | ||
873 | if (!LIST_IS_EMPTY(network->static_prefixes)) | |
874 | return true; | |
439689c6 SS |
875 | |
876 | return false; | |
877 | } | |
878 | ||
cebe1257 | 879 | int config_parse_stacked_netdev(const char *unit, |
02b59d57 TG |
880 | const char *filename, |
881 | unsigned line, | |
882 | const char *section, | |
883 | unsigned section_line, | |
884 | const char *lvalue, | |
885 | int ltype, | |
886 | const char *rvalue, | |
887 | void *data, | |
888 | void *userdata) { | |
95dba435 YW |
889 | _cleanup_free_ char *name = NULL; |
890 | NetDevKind kind = ltype; | |
cebe1257 | 891 | Hashmap **h = data; |
02b59d57 TG |
892 | int r; |
893 | ||
894 | assert(filename); | |
895 | assert(lvalue); | |
896 | assert(rvalue); | |
897 | assert(data); | |
95dba435 YW |
898 | assert(IN_SET(kind, |
899 | NETDEV_KIND_VLAN, NETDEV_KIND_MACVLAN, NETDEV_KIND_MACVTAP, | |
69c317a0 | 900 | NETDEV_KIND_IPVLAN, NETDEV_KIND_IPVTAP, NETDEV_KIND_VXLAN, |
98d20a17 | 901 | NETDEV_KIND_L2TP, NETDEV_KIND_MACSEC, _NETDEV_KIND_TUNNEL, |
902 | NETDEV_KIND_XFRM)); | |
54abf461 | 903 | |
cebe1257 | 904 | if (!ifname_valid(rvalue)) { |
d96edb2c | 905 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3772cfde | 906 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
907 | return 0; |
908 | } | |
909 | ||
cebe1257 YW |
910 | name = strdup(rvalue); |
911 | if (!name) | |
912 | return log_oom(); | |
3e570042 | 913 | |
cebe1257 YW |
914 | r = hashmap_ensure_allocated(h, &string_hash_ops); |
915 | if (r < 0) | |
916 | return log_oom(); | |
326cb406 | 917 | |
cebe1257 | 918 | r = hashmap_put(*h, name, INT_TO_PTR(kind)); |
83ec4592 | 919 | if (r < 0) |
d96edb2c | 920 | log_syntax(unit, LOG_WARNING, filename, line, r, |
83ec4592 ZJS |
921 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
922 | else if (r == 0) | |
923 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
924 | "NetDev '%s' specified twice, ignoring.", name); | |
925 | else | |
926 | name = NULL; | |
47e2dc31 | 927 | |
fe6b2d55 TG |
928 | return 0; |
929 | } | |
7951dea2 | 930 | |
3df9bec5 LP |
931 | int config_parse_domains( |
932 | const char *unit, | |
933 | const char *filename, | |
934 | unsigned line, | |
935 | const char *section, | |
936 | unsigned section_line, | |
937 | const char *lvalue, | |
938 | int ltype, | |
939 | const char *rvalue, | |
940 | void *data, | |
941 | void *userdata) { | |
942 | ||
3df9bec5 | 943 | Network *n = data; |
6192b846 TG |
944 | int r; |
945 | ||
3df9bec5 LP |
946 | assert(n); |
947 | assert(lvalue); | |
948 | assert(rvalue); | |
6192b846 | 949 | |
3df9bec5 | 950 | if (isempty(rvalue)) { |
5e2a51d5 ZJS |
951 | n->search_domains = ordered_set_free_free(n->search_domains); |
952 | n->route_domains = ordered_set_free_free(n->route_domains); | |
3df9bec5 LP |
953 | return 0; |
954 | } | |
67272d15 | 955 | |
d96edb2c | 956 | for (const char *p = rvalue;;) { |
3df9bec5 LP |
957 | _cleanup_free_ char *w = NULL, *normalized = NULL; |
958 | const char *domain; | |
959 | bool is_route; | |
960 | ||
961 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
962 | if (r == -ENOMEM) |
963 | return log_oom(); | |
3df9bec5 | 964 | if (r < 0) { |
d96edb2c | 965 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 966 | "Failed to extract search or route domain, ignoring: %s", rvalue); |
d96edb2c | 967 | return 0; |
3df9bec5 LP |
968 | } |
969 | if (r == 0) | |
d96edb2c | 970 | return 0; |
3df9bec5 LP |
971 | |
972 | is_route = w[0] == '~'; | |
973 | domain = is_route ? w + 1 : w; | |
974 | ||
975 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
976 | /* If the root domain appears as is, or the special token "*" is found, we'll |
977 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 978 | is_route = true; |
ab24039f ZJS |
979 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
980 | * domain as "." */ | |
3df9bec5 | 981 | } else { |
7470cc4c | 982 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 983 | if (r < 0) { |
d96edb2c | 984 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 985 | "'%s' is not a valid domain name, ignoring.", domain); |
3df9bec5 LP |
986 | continue; |
987 | } | |
988 | ||
989 | domain = normalized; | |
990 | ||
991 | if (is_localhost(domain)) { | |
d96edb2c | 992 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f ZJS |
993 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", |
994 | domain); | |
37de2509 | 995 | continue; |
3df9bec5 | 996 | } |
37de2509 | 997 | } |
40274ed6 | 998 | |
5e2a51d5 ZJS |
999 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
1000 | r = ordered_set_ensure_allocated(set, &string_hash_ops); | |
1001 | if (r < 0) | |
d96edb2c | 1002 | return log_oom(); |
5e2a51d5 ZJS |
1003 | |
1004 | r = ordered_set_put_strdup(*set, domain); | |
09451975 LP |
1005 | if (r < 0) |
1006 | return log_oom(); | |
40274ed6 | 1007 | } |
6192b846 TG |
1008 | } |
1009 | ||
60c35566 | 1010 | int config_parse_ipv6token( |
7f77697a TG |
1011 | const char* unit, |
1012 | const char *filename, | |
1013 | unsigned line, | |
1014 | const char *section, | |
1015 | unsigned section_line, | |
1016 | const char *lvalue, | |
1017 | int ltype, | |
1018 | const char *rvalue, | |
1019 | void *data, | |
1020 | void *userdata) { | |
1021 | ||
1022 | union in_addr_union buffer; | |
1023 | struct in6_addr *token = data; | |
1024 | int r; | |
1025 | ||
1026 | assert(filename); | |
1027 | assert(lvalue); | |
1028 | assert(rvalue); | |
1029 | assert(token); | |
1030 | ||
1031 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
1032 | if (r < 0) { | |
d96edb2c | 1033 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1034 | "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
1035 | return 0; |
1036 | } | |
1037 | ||
c606db69 | 1038 | if (in_addr_is_null(AF_INET6, &buffer)) { |
d96edb2c | 1039 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1040 | "IPv6 token cannot be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
1041 | return 0; |
1042 | } | |
1043 | ||
1044 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
d96edb2c | 1045 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1046 | "IPv6 token cannot be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
1047 | return 0; |
1048 | } | |
1049 | ||
1050 | *token = buffer.in6; | |
1051 | ||
1052 | return 0; | |
1053 | } | |
8add5f79 | 1054 | |
49092e22 | 1055 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
1056 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
1057 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
1058 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
1059 | }; |
1060 | ||
b146ad71 YW |
1061 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(ipv6_privacy_extensions, IPv6PrivacyExtensions, |
1062 | IPV6_PRIVACY_EXTENSIONS_YES); | |
49092e22 SS |
1063 | |
1064 | int config_parse_ipv6_privacy_extensions( | |
1065 | const char* unit, | |
1066 | const char *filename, | |
1067 | unsigned line, | |
1068 | const char *section, | |
1069 | unsigned section_line, | |
1070 | const char *lvalue, | |
1071 | int ltype, | |
1072 | const char *rvalue, | |
1073 | void *data, | |
1074 | void *userdata) { | |
1075 | ||
b146ad71 | 1076 | IPv6PrivacyExtensions s, *ipv6_privacy_extensions = data; |
49092e22 SS |
1077 | |
1078 | assert(filename); | |
1079 | assert(lvalue); | |
1080 | assert(rvalue); | |
1081 | assert(ipv6_privacy_extensions); | |
1082 | ||
b146ad71 YW |
1083 | s = ipv6_privacy_extensions_from_string(rvalue); |
1084 | if (s < 0) { | |
1085 | if (streq(rvalue, "kernel")) | |
1086 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
1087 | else { | |
d96edb2c | 1088 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
b146ad71 YW |
1089 | "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1090 | return 0; | |
49092e22 | 1091 | } |
49092e22 SS |
1092 | } |
1093 | ||
b146ad71 YW |
1094 | *ipv6_privacy_extensions = s; |
1095 | ||
49092e22 SS |
1096 | return 0; |
1097 | } | |
a7d0ef44 | 1098 | |
1ac608c9 LP |
1099 | int config_parse_hostname( |
1100 | const char *unit, | |
1101 | const char *filename, | |
1102 | unsigned line, | |
1103 | const char *section, | |
1104 | unsigned section_line, | |
1105 | const char *lvalue, | |
1106 | int ltype, | |
1107 | const char *rvalue, | |
1108 | void *data, | |
1109 | void *userdata) { | |
1110 | ||
6528693a YW |
1111 | _cleanup_free_ char *hn = NULL; |
1112 | char **hostname = data; | |
a7d0ef44 SS |
1113 | int r; |
1114 | ||
1115 | assert(filename); | |
1116 | assert(lvalue); | |
1117 | assert(rvalue); | |
1118 | ||
1ac608c9 | 1119 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
1120 | if (r < 0) |
1121 | return r; | |
1122 | ||
1ac608c9 | 1123 | if (!hostname_is_valid(hn, false)) { |
d96edb2c | 1124 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1125 | "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
1126 | return 0; |
1127 | } | |
1128 | ||
6528693a YW |
1129 | r = dns_name_is_valid(hn); |
1130 | if (r < 0) { | |
d96edb2c | 1131 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1132 | "Failed to check validity of hostname '%s', ignoring assignment: %m", rvalue); |
6528693a YW |
1133 | return 0; |
1134 | } | |
1135 | if (r == 0) { | |
d96edb2c | 1136 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1137 | "Hostname is not a valid DNS domain name, ignoring assignment: %s", rvalue); |
6528693a YW |
1138 | return 0; |
1139 | } | |
1140 | ||
1141 | return free_and_replace(*hostname, hn); | |
a7d0ef44 | 1142 | } |
8eb9058d LP |
1143 | |
1144 | int config_parse_timezone( | |
1145 | const char *unit, | |
1146 | const char *filename, | |
1147 | unsigned line, | |
1148 | const char *section, | |
1149 | unsigned section_line, | |
1150 | const char *lvalue, | |
1151 | int ltype, | |
1152 | const char *rvalue, | |
1153 | void *data, | |
1154 | void *userdata) { | |
1155 | ||
19f9e4e2 YW |
1156 | _cleanup_free_ char *tz = NULL; |
1157 | char **datap = data; | |
8eb9058d LP |
1158 | int r; |
1159 | ||
1160 | assert(filename); | |
1161 | assert(lvalue); | |
1162 | assert(rvalue); | |
1163 | ||
1164 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1165 | if (r < 0) | |
1166 | return r; | |
1167 | ||
d96edb2c YW |
1168 | if (!timezone_is_valid(tz, LOG_WARNING)) { |
1169 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
ab24039f | 1170 | "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1171 | return 0; |
1172 | } | |
1173 | ||
19f9e4e2 | 1174 | return free_and_replace(*datap, tz); |
8eb9058d | 1175 | } |
1a04db0f | 1176 | |
53253824 SS |
1177 | int config_parse_dns( |
1178 | const char *unit, | |
1179 | const char *filename, | |
1180 | unsigned line, | |
1181 | const char *section, | |
1182 | unsigned section_line, | |
1183 | const char *lvalue, | |
1184 | int ltype, | |
1185 | const char *rvalue, | |
1186 | void *data, | |
1187 | void *userdata) { | |
1188 | ||
1189 | Network *n = userdata; | |
1190 | int r; | |
1191 | ||
1192 | assert(filename); | |
1193 | assert(lvalue); | |
1194 | assert(rvalue); | |
1195 | ||
d96edb2c YW |
1196 | if (isempty(rvalue)) { |
1197 | n->dns = mfree(n->dns); | |
1198 | n->n_dns = 0; | |
1199 | return 0; | |
1200 | } | |
1201 | ||
1202 | for (const char *p = rvalue;;) { | |
53253824 SS |
1203 | _cleanup_free_ char *w = NULL; |
1204 | union in_addr_union a; | |
5512a963 | 1205 | struct in_addr_data *m; |
53253824 SS |
1206 | int family; |
1207 | ||
d96edb2c | 1208 | r = extract_first_word(&p, &w, NULL, 0); |
53253824 SS |
1209 | if (r == -ENOMEM) |
1210 | return log_oom(); | |
1211 | if (r < 0) { | |
d96edb2c | 1212 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1213 | "Invalid syntax, ignoring: %s", rvalue); |
d96edb2c | 1214 | return 0; |
53253824 | 1215 | } |
5512a963 | 1216 | if (r == 0) |
d96edb2c | 1217 | return 0; |
53253824 SS |
1218 | |
1219 | r = in_addr_from_string_auto(w, &family, &a); | |
1220 | if (r < 0) { | |
d96edb2c | 1221 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1222 | "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1223 | continue; |
1224 | } | |
1225 | ||
62d74c78 | 1226 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_data)); |
5512a963 | 1227 | if (!m) |
53253824 SS |
1228 | return log_oom(); |
1229 | ||
5512a963 LP |
1230 | m[n->n_dns++] = (struct in_addr_data) { |
1231 | .family = family, | |
1232 | .address = a, | |
1233 | }; | |
1234 | ||
1235 | n->dns = m; | |
53253824 | 1236 | } |
53253824 SS |
1237 | } |
1238 | ||
8a516214 LP |
1239 | int config_parse_dnssec_negative_trust_anchors( |
1240 | const char *unit, | |
1241 | const char *filename, | |
1242 | unsigned line, | |
1243 | const char *section, | |
1244 | unsigned section_line, | |
1245 | const char *lvalue, | |
1246 | int ltype, | |
1247 | const char *rvalue, | |
1248 | void *data, | |
1249 | void *userdata) { | |
1250 | ||
8a516214 LP |
1251 | Network *n = data; |
1252 | int r; | |
1253 | ||
3df9bec5 | 1254 | assert(n); |
8a516214 LP |
1255 | assert(lvalue); |
1256 | assert(rvalue); | |
1257 | ||
1258 | if (isempty(rvalue)) { | |
1259 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1260 | return 0; | |
1261 | } | |
1262 | ||
d96edb2c | 1263 | for (const char *p = rvalue;;) { |
8a516214 LP |
1264 | _cleanup_free_ char *w = NULL; |
1265 | ||
1266 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
1267 | if (r == -ENOMEM) |
1268 | return log_oom(); | |
8a516214 | 1269 | if (r < 0) { |
d96edb2c | 1270 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1271 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); |
d96edb2c | 1272 | return 0; |
8a516214 LP |
1273 | } |
1274 | if (r == 0) | |
d96edb2c | 1275 | return 0; |
8a516214 LP |
1276 | |
1277 | r = dns_name_is_valid(w); | |
1278 | if (r <= 0) { | |
d96edb2c | 1279 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1280 | "%s is not a valid domain name, ignoring.", w); |
8a516214 LP |
1281 | continue; |
1282 | } | |
1283 | ||
35e601d4 | 1284 | r = set_ensure_consume(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops, TAKE_PTR(w)); |
8a516214 LP |
1285 | if (r < 0) |
1286 | return log_oom(); | |
8a516214 | 1287 | } |
8a516214 | 1288 | } |
b2a81c0b | 1289 | |
26575990 LP |
1290 | int config_parse_ntp( |
1291 | const char *unit, | |
1292 | const char *filename, | |
1293 | unsigned line, | |
1294 | const char *section, | |
1295 | unsigned section_line, | |
1296 | const char *lvalue, | |
1297 | int ltype, | |
1298 | const char *rvalue, | |
1299 | void *data, | |
1300 | void *userdata) { | |
1301 | ||
1302 | char ***l = data; | |
1303 | int r; | |
1304 | ||
1305 | assert(l); | |
1306 | assert(lvalue); | |
1307 | assert(rvalue); | |
1308 | ||
1309 | if (isempty(rvalue)) { | |
1310 | *l = strv_free(*l); | |
1311 | return 0; | |
1312 | } | |
1313 | ||
d96edb2c | 1314 | for (const char *p = rvalue;;) { |
26575990 LP |
1315 | _cleanup_free_ char *w = NULL; |
1316 | ||
d96edb2c | 1317 | r = extract_first_word(&p, &w, NULL, 0); |
26575990 LP |
1318 | if (r == -ENOMEM) |
1319 | return log_oom(); | |
1320 | if (r < 0) { | |
d96edb2c | 1321 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1322 | "Failed to extract NTP server name, ignoring: %s", rvalue); |
d96edb2c | 1323 | return 0; |
26575990 LP |
1324 | } |
1325 | if (r == 0) | |
d96edb2c | 1326 | return 0; |
26575990 LP |
1327 | |
1328 | r = dns_name_is_valid_or_address(w); | |
1329 | if (r <= 0) { | |
d96edb2c | 1330 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1331 | "%s is not a valid domain name or IP address, ignoring.", w); |
26575990 | 1332 | continue; |
af1c0de0 SS |
1333 | } |
1334 | ||
c448459d ZJS |
1335 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1336 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1337 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1338 | MAX_NTP_SERVERS, w); | |
d96edb2c | 1339 | return 0; |
c448459d ZJS |
1340 | } |
1341 | ||
1342 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1343 | if (r < 0) |
1344 | return log_oom(); | |
af1c0de0 | 1345 | } |
af1c0de0 SS |
1346 | } |
1347 | ||
4ac77d63 YW |
1348 | int config_parse_required_for_online( |
1349 | const char *unit, | |
1350 | const char *filename, | |
1351 | unsigned line, | |
1352 | const char *section, | |
1353 | unsigned section_line, | |
1354 | const char *lvalue, | |
1355 | int ltype, | |
1356 | const char *rvalue, | |
1357 | void *data, | |
1358 | void *userdata) { | |
1359 | ||
1360 | Network *network = data; | |
75cd4a5d | 1361 | LinkOperationalStateRange range; |
4ac77d63 YW |
1362 | bool required = true; |
1363 | int r; | |
1364 | ||
1365 | if (isempty(rvalue)) { | |
1366 | network->required_for_online = true; | |
75cd4a5d | 1367 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1368 | return 0; |
1369 | } | |
1370 | ||
75cd4a5d DDM |
1371 | r = parse_operational_state_range(rvalue, &range); |
1372 | if (r < 0) { | |
4ac77d63 YW |
1373 | r = parse_boolean(rvalue); |
1374 | if (r < 0) { | |
d96edb2c | 1375 | log_syntax(unit, LOG_WARNING, filename, line, r, |
4ac77d63 YW |
1376 | "Failed to parse %s= setting, ignoring assignment: %s", |
1377 | lvalue, rvalue); | |
1378 | return 0; | |
1379 | } | |
1380 | ||
1381 | required = r; | |
75cd4a5d | 1382 | range = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1383 | } |
1384 | ||
1385 | network->required_for_online = required; | |
75cd4a5d | 1386 | network->required_operstate_for_online = range; |
4ac77d63 YW |
1387 | |
1388 | return 0; | |
1389 | } | |
7da377ef SS |
1390 | |
1391 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, | |
1392 | "Failed to parse KeepConfiguration= setting"); | |
1393 | ||
1394 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1395 | [KEEP_CONFIGURATION_NO] = "no", |
1396 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1397 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1398 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1399 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1400 | }; |
1401 | ||
1402 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); | |
6f6296b9 YW |
1403 | |
1404 | static const char* const ipv6_link_local_address_gen_mode_table[_IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX] = { | |
1405 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64] = "eui64", | |
1406 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE] = "none", | |
1407 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY] = "stable-privacy", | |
1408 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_RANDOM] = "random", | |
1409 | }; | |
1410 | ||
1411 | DEFINE_STRING_TABLE_LOOKUP(ipv6_link_local_address_gen_mode, IPv6LinkLocalAddressGenMode); | |
1412 | DEFINE_CONFIG_PARSE_ENUM(config_parse_ipv6_link_local_address_gen_mode, ipv6_link_local_address_gen_mode, IPv6LinkLocalAddressGenMode, "Failed to parse IPv6 link local address generation mode"); |