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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" |
6bedfcbb | 19 | #include "parse-util.h" |
b0c82192 | 20 | #include "path-lookup.h" |
8a516214 | 21 | #include "set.h" |
cebe1257 | 22 | #include "socket-util.h" |
8fcde012 | 23 | #include "stat-util.h" |
8b43440b | 24 | #include "string-table.h" |
07630cea | 25 | #include "string-util.h" |
700f1186 | 26 | #include "strv.h" |
34658df2 | 27 | #include "tc.h" |
07630cea | 28 | #include "util.h" |
f579559b | 29 | |
c448459d ZJS |
30 | /* Let's assume that anything above this number is a user misconfiguration. */ |
31 | #define MAX_NTP_SERVERS 128 | |
32 | ||
add8d07d | 33 | /* Set defaults following RFC7844 */ |
34 | void network_apply_anonymize_if_set(Network *network) { | |
35 | if (!network->dhcp_anonymize) | |
36 | return; | |
37 | /* RFC7844 3.7 | |
38 | SHOULD NOT send the Host Name option */ | |
39 | network->dhcp_send_hostname = false; | |
40 | /* RFC7844 section 3.: | |
41 | MAY contain the Client Identifier option | |
42 | Section 3.5: | |
43 | clients MUST use client identifiers based solely | |
44 | on the link-layer address */ | |
45 | /* NOTE: Using MAC, as it does not reveal extra information, | |
46 | * and some servers might not answer if this option is not sent */ | |
47 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
48 | /* RFC 7844 3.10: | |
49 | SHOULD NOT use the Vendor Class Identifier option */ | |
727ba17f | 50 | network->dhcp_vendor_class_identifier = mfree(network->dhcp_vendor_class_identifier); |
add8d07d | 51 | /* RFC7844 section 3.6.: |
52 | The client intending to protect its privacy SHOULD only request a | |
53 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
54 | the ordering of option codes in the PRL. If this random ordering | |
55 | cannot be implemented, the client MAY order the option codes in the | |
56 | PRL by option code number (lowest to highest). | |
57 | */ | |
58 | /* NOTE: dhcp_use_mtu is false by default, | |
59 | * though it was not initiallized to any value in network_load_one. | |
60 | * Maybe there should be another var called *send*? | |
61 | * (to use the MTU sent by the server but to do not send | |
62 | * the option in the PRL). */ | |
63 | network->dhcp_use_mtu = false; | |
28522b0d | 64 | /* NOTE: when Anonymize=yes, the PRL route options are sent by default, |
65 | * but this is needed to use them. */ | |
66 | network->dhcp_use_routes = true; | |
add8d07d | 67 | /* RFC7844 section 3.6. |
68 | * same comments as previous option */ | |
69 | network->dhcp_use_timezone = false; | |
70 | } | |
71 | ||
cebe1257 YW |
72 | static int network_resolve_netdev_one(Network *network, const char *name, NetDevKind kind, NetDev **ret_netdev) { |
73 | const char *kind_string; | |
74 | NetDev *netdev; | |
75 | int r; | |
76 | ||
96db6412 YW |
77 | /* For test-networkd-conf, the check must be earlier than the assertions. */ |
78 | if (!name) | |
79 | return 0; | |
80 | ||
cebe1257 YW |
81 | assert(network); |
82 | assert(network->manager); | |
83 | assert(network->filename); | |
84 | assert(ret_netdev); | |
85 | ||
cebe1257 YW |
86 | if (kind == _NETDEV_KIND_TUNNEL) |
87 | kind_string = "tunnel"; | |
88 | else { | |
89 | kind_string = netdev_kind_to_string(kind); | |
90 | if (!kind_string) | |
91 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
92 | "%s: Invalid NetDev kind of %s, ignoring assignment.", | |
93 | network->filename, name); | |
94 | } | |
95 | ||
96 | r = netdev_get(network->manager, name, &netdev); | |
97 | if (r < 0) | |
98 | return log_error_errno(r, "%s: %s NetDev could not be found, ignoring assignment.", | |
99 | network->filename, name); | |
100 | ||
101 | if (netdev->kind != kind && !(kind == _NETDEV_KIND_TUNNEL && | |
102 | IN_SET(netdev->kind, | |
103 | NETDEV_KIND_IPIP, | |
104 | NETDEV_KIND_SIT, | |
105 | NETDEV_KIND_GRE, | |
106 | NETDEV_KIND_GRETAP, | |
107 | NETDEV_KIND_IP6GRE, | |
108 | NETDEV_KIND_IP6GRETAP, | |
109 | NETDEV_KIND_VTI, | |
110 | NETDEV_KIND_VTI6, | |
9282f75b YW |
111 | NETDEV_KIND_IP6TNL, |
112 | NETDEV_KIND_ERSPAN))) | |
cebe1257 YW |
113 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
114 | "%s: NetDev %s is not a %s, ignoring assignment", | |
115 | network->filename, name, kind_string); | |
116 | ||
117 | *ret_netdev = netdev_ref(netdev); | |
118 | return 1; | |
119 | } | |
120 | ||
121 | static int network_resolve_stacked_netdevs(Network *network) { | |
122 | void *name, *kind; | |
123 | Iterator i; | |
124 | int r; | |
125 | ||
126 | assert(network); | |
127 | ||
128 | HASHMAP_FOREACH_KEY(kind, name, network->stacked_netdev_names, i) { | |
129 | _cleanup_(netdev_unrefp) NetDev *netdev = NULL; | |
130 | ||
131 | r = network_resolve_netdev_one(network, name, PTR_TO_INT(kind), &netdev); | |
132 | if (r <= 0) | |
133 | continue; | |
134 | ||
135 | r = hashmap_ensure_allocated(&network->stacked_netdevs, &string_hash_ops); | |
136 | if (r < 0) | |
137 | return log_oom(); | |
138 | ||
139 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); | |
140 | if (r < 0) | |
141 | return log_error_errno(r, "%s: Failed to add NetDev '%s' to network: %m", | |
142 | network->filename, (const char *) name); | |
143 | ||
144 | netdev = NULL; | |
145 | } | |
146 | ||
147 | return 0; | |
148 | } | |
149 | ||
96db6412 | 150 | int network_verify(Network *network) { |
95081e08 | 151 | RoutePrefix *route_prefix, *route_prefix_next; |
564ca984 | 152 | RoutingPolicyRule *rule, *rule_next; |
fcbf4cb7 YW |
153 | Neighbor *neighbor, *neighbor_next; |
154 | AddressLabel *label, *label_next; | |
c16c7808 | 155 | NextHop *nexthop, *nextnop_next; |
564ca984 SS |
156 | Address *address, *address_next; |
157 | Prefix *prefix, *prefix_next; | |
158 | Route *route, *route_next; | |
159 | FdbEntry *fdb, *fdb_next; | |
34658df2 | 160 | TrafficControl *tc; |
8efb93f0 | 161 | Iterator i; |
0321cea7 YW |
162 | |
163 | assert(network); | |
164 | assert(network->filename); | |
165 | ||
4bb7cc82 YW |
166 | if (set_isempty(network->match_mac) && set_isempty(network->match_permanent_mac) && |
167 | strv_isempty(network->match_path) && strv_isempty(network->match_driver) && | |
168 | strv_isempty(network->match_type) && strv_isempty(network->match_name) && | |
169 | strv_isempty(network->match_property) && strv_isempty(network->match_ssid) && !network->conditions) | |
dade7349 ZJS |
170 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
171 | "%s: No valid settings found in the [Match] section, ignoring file. " | |
172 | "To match all interfaces, add Name=* in the [Match] section.", | |
173 | network->filename); | |
84ea567e | 174 | |
cebe1257 | 175 | /* skip out early if configuration does not match the environment */ |
a0b191b7 | 176 | if (!condition_test_list(network->conditions, environ, NULL, NULL, NULL)) |
cebe1257 | 177 | return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), |
3772cfde ZJS |
178 | "%s: Conditions in the file do not match the system environment, skipping.", |
179 | network->filename); | |
cebe1257 YW |
180 | |
181 | (void) network_resolve_netdev_one(network, network->bond_name, NETDEV_KIND_BOND, &network->bond); | |
182 | (void) network_resolve_netdev_one(network, network->bridge_name, NETDEV_KIND_BRIDGE, &network->bridge); | |
183 | (void) network_resolve_netdev_one(network, network->vrf_name, NETDEV_KIND_VRF, &network->vrf); | |
184 | (void) network_resolve_stacked_netdevs(network); | |
185 | ||
186 | /* Free unnecessary entries. */ | |
187 | network->bond_name = mfree(network->bond_name); | |
188 | network->bridge_name = mfree(network->bridge_name); | |
189 | network->vrf_name = mfree(network->vrf_name); | |
190 | network->stacked_netdev_names = hashmap_free_free_key(network->stacked_netdev_names); | |
191 | ||
0321cea7 YW |
192 | if (network->bond) { |
193 | /* Bonding slave does not support addressing. */ | |
194 | if (network->ipv6_accept_ra > 0) { | |
ab24039f ZJS |
195 | log_warning("%s: Cannot enable IPv6AcceptRA= when Bond= is specified, disabling IPv6AcceptRA=.", |
196 | network->filename); | |
0321cea7 YW |
197 | network->ipv6_accept_ra = 0; |
198 | } | |
199 | if (network->link_local >= 0 && network->link_local != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
200 | log_warning("%s: Cannot enable LinkLocalAddressing= when Bond= is specified, disabling LinkLocalAddressing=.", |
201 | network->filename); | |
0321cea7 YW |
202 | network->link_local = ADDRESS_FAMILY_NO; |
203 | } | |
204 | if (network->dhcp != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
205 | log_warning("%s: Cannot enable DHCP= when Bond= is specified, disabling DHCP=.", |
206 | network->filename); | |
0321cea7 YW |
207 | network->dhcp = ADDRESS_FAMILY_NO; |
208 | } | |
209 | if (network->dhcp_server) { | |
ab24039f ZJS |
210 | log_warning("%s: Cannot enable DHCPServer= when Bond= is specified, disabling DHCPServer=.", |
211 | network->filename); | |
0321cea7 YW |
212 | network->dhcp_server = false; |
213 | } | |
214 | if (network->n_static_addresses > 0) { | |
ab24039f ZJS |
215 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
216 | network->filename); | |
0321cea7 YW |
217 | while ((address = network->static_addresses)) |
218 | address_free(address); | |
219 | } | |
220 | if (network->n_static_routes > 0) { | |
ab24039f ZJS |
221 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
222 | network->filename); | |
0321cea7 YW |
223 | while ((route = network->static_routes)) |
224 | route_free(route); | |
225 | } | |
226 | } | |
227 | ||
228 | if (network->link_local < 0) | |
8f191801 YW |
229 | network->link_local = network->bridge ? ADDRESS_FAMILY_NO : ADDRESS_FAMILY_IPV6; |
230 | ||
44013aa4 YW |
231 | if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) { |
232 | if (network->ipv6_accept_ra > 0) { | |
233 | log_warning("%s: IPv6AcceptRA= is enabled by the .network file but IPv6 link local addressing is disabled. " | |
234 | "Disabling IPv6AcceptRA=.", network->filename); | |
235 | network->ipv6_accept_ra = false; | |
236 | } | |
237 | ||
238 | if (FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV6)) { | |
239 | log_warning("%s: DHCPv6 client is enabled by the .network file but IPv6 link local addressing is disabled. " | |
240 | "Disabling DHCPv6 client.", network->filename); | |
241 | SET_FLAG(network->dhcp, ADDRESS_FAMILY_IPV6, false); | |
242 | } | |
243 | ||
244 | if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE) { | |
245 | log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. " | |
246 | "Disabling IPv6PrefixDelegation=.", network->filename); | |
247 | network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE; | |
248 | } | |
249 | } | |
250 | ||
29e81083 YW |
251 | if (FLAGS_SET(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4) && |
252 | !FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV4)) { | |
253 | log_warning("%s: fallback assignment of IPv4 link local address is enabled but DHCPv4 is disabled. " | |
254 | "Disabling the fallback assignment.", network->filename); | |
255 | SET_FLAG(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4, false); | |
256 | } | |
257 | ||
8f191801 YW |
258 | if (network->ipv6_accept_ra < 0 && network->bridge) |
259 | network->ipv6_accept_ra = false; | |
0321cea7 YW |
260 | |
261 | /* IPMasquerade=yes implies IPForward=yes */ | |
262 | if (network->ip_masquerade) | |
263 | network->ip_forward |= ADDRESS_FAMILY_IPV4; | |
264 | ||
933c70a0 | 265 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
266 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
267 | "Disabling UseMTU=.", network->filename); | |
268 | network->dhcp_use_mtu = false; | |
269 | } | |
270 | ||
589397a2 DS |
271 | if (network->dhcp_use_gateway < 0) |
272 | network->dhcp_use_gateway = network->dhcp_use_routes; | |
273 | ||
7da377ef SS |
274 | if (network->dhcp_critical >= 0) { |
275 | if (network->keep_configuration >= 0) | |
276 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
277 | "Ignoring CriticalConnection=.", network->filename); | |
278 | else if (network->dhcp_critical) | |
279 | /* CriticalConnection=yes also preserve foreign static configurations. */ | |
280 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
281 | else | |
80060352 | 282 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
283 | } |
284 | ||
285 | if (network->keep_configuration < 0) | |
80060352 | 286 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 287 | |
4bec2f23 | 288 | LIST_FOREACH_SAFE(addresses, address, address_next, network->static_addresses) |
fcbf4cb7 | 289 | if (address_section_verify(address) < 0) |
4bec2f23 | 290 | address_free(address); |
4bec2f23 | 291 | |
fcbf4cb7 YW |
292 | LIST_FOREACH_SAFE(routes, route, route_next, network->static_routes) |
293 | if (route_section_verify(route, network) < 0) | |
4bec2f23 | 294 | route_free(route); |
0321cea7 | 295 | |
c16c7808 SS |
296 | LIST_FOREACH_SAFE(nexthops, nexthop, nextnop_next, network->static_nexthops) |
297 | if (nexthop_section_verify(nexthop) < 0) | |
298 | nexthop_free(nexthop); | |
299 | ||
fcbf4cb7 YW |
300 | LIST_FOREACH_SAFE(static_fdb_entries, fdb, fdb_next, network->static_fdb_entries) |
301 | if (section_is_invalid(fdb->section)) | |
302 | fdb_entry_free(fdb); | |
303 | ||
304 | LIST_FOREACH_SAFE(neighbors, neighbor, neighbor_next, network->neighbors) | |
044d4b40 | 305 | if (neighbor_section_verify(neighbor) < 0) |
fcbf4cb7 YW |
306 | neighbor_free(neighbor); |
307 | ||
308 | LIST_FOREACH_SAFE(labels, label, label_next, network->address_labels) | |
309 | if (section_is_invalid(label->section)) | |
310 | address_label_free(label); | |
311 | ||
312 | LIST_FOREACH_SAFE(prefixes, prefix, prefix_next, network->static_prefixes) | |
313 | if (section_is_invalid(prefix->section)) | |
314 | prefix_free(prefix); | |
315 | ||
95081e08 YW |
316 | LIST_FOREACH_SAFE(route_prefixes, route_prefix, route_prefix_next, network->static_route_prefixes) |
317 | if (section_is_invalid(route_prefix->section)) | |
318 | route_prefix_free(route_prefix); | |
714a199e | 319 | |
fcbf4cb7 | 320 | LIST_FOREACH_SAFE(rules, rule, rule_next, network->rules) |
0aabccc8 | 321 | if (routing_policy_rule_section_verify(rule) < 0) |
fcbf4cb7 | 322 | routing_policy_rule_free(rule); |
4912ab77 | 323 | |
8efb93f0 | 324 | bool has_root = false, has_clsact = false; |
34658df2 YW |
325 | ORDERED_HASHMAP_FOREACH(tc, network->tc_by_section, i) |
326 | if (traffic_control_section_verify(tc, &has_root, &has_clsact) < 0) | |
327 | traffic_control_free(tc); | |
8efb93f0 | 328 | |
0321cea7 YW |
329 | return 0; |
330 | } | |
331 | ||
7f06b3e1 | 332 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 333 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 334 | _cleanup_(network_unrefp) Network *network = NULL; |
f579559b | 335 | _cleanup_fclose_ FILE *file = NULL; |
047a0dac | 336 | const char *dropin_dirname; |
838b2f7a | 337 | char *d; |
f579559b TG |
338 | int r; |
339 | ||
bf1bc670 TA |
340 | assert(manager); |
341 | assert(filename); | |
342 | ||
f579559b TG |
343 | file = fopen(filename, "re"); |
344 | if (!file) { | |
345 | if (errno == ENOENT) | |
346 | return 0; | |
1e7a0e21 LP |
347 | |
348 | return -errno; | |
f579559b TG |
349 | } |
350 | ||
ed88bcfb ZJS |
351 | if (null_or_empty_fd(fileno(file))) { |
352 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
353 | return 0; |
354 | } | |
355 | ||
838b2f7a YW |
356 | fname = strdup(filename); |
357 | if (!fname) | |
358 | return log_oom(); | |
359 | ||
360 | name = strdup(basename(filename)); | |
361 | if (!name) | |
362 | return log_oom(); | |
363 | ||
364 | d = strrchr(name, '.'); | |
365 | if (!d) | |
366 | return -EINVAL; | |
367 | ||
368 | *d = '\0'; | |
369 | ||
370 | dropin_dirname = strjoina(name, ".network.d"); | |
371 | ||
17f9c355 | 372 | network = new(Network, 1); |
f579559b TG |
373 | if (!network) |
374 | return log_oom(); | |
375 | ||
17f9c355 | 376 | *network = (Network) { |
838b2f7a YW |
377 | .filename = TAKE_PTR(fname), |
378 | .name = TAKE_PTR(name), | |
17f9c355 | 379 | |
715d398e | 380 | .manager = manager, |
35ac3b76 YW |
381 | .n_ref = 1, |
382 | ||
17f9c355 | 383 | .required_for_online = true, |
75cd4a5d | 384 | .required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT, |
17f9c355 | 385 | .dhcp = ADDRESS_FAMILY_NO, |
7da377ef | 386 | .dhcp_critical = -1, |
17f9c355 | 387 | .dhcp_use_ntp = true, |
299d578f | 388 | .dhcp_use_sip = true, |
17f9c355 YW |
389 | .dhcp_use_dns = true, |
390 | .dhcp_use_hostname = true, | |
391 | .dhcp_use_routes = true, | |
589397a2 | 392 | .dhcp_use_gateway = -1, |
5238e957 | 393 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 | 394 | .dhcp_send_hostname = true, |
5f3b5f19 | 395 | .dhcp_send_release = true, |
17f9c355 YW |
396 | /* To enable/disable RFC7844 Anonymity Profiles */ |
397 | .dhcp_anonymize = false, | |
398 | .dhcp_route_metric = DHCP_ROUTE_METRIC, | |
c9c908a6 | 399 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 YW |
400 | .dhcp_client_identifier = DHCP_CLIENT_ID_DUID, |
401 | .dhcp_route_table = RT_TABLE_MAIN, | |
402 | .dhcp_route_table_set = false, | |
403 | /* NOTE: from man: UseMTU=... Defaults to false*/ | |
404 | .dhcp_use_mtu = false, | |
405 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ | |
406 | .dhcp_use_timezone = false, | |
407 | .rapid_commit = true, | |
408 | ||
caa8ca42 SS |
409 | .dhcp6_use_ntp = true, |
410 | .dhcp6_use_dns = true, | |
411 | ||
17f9c355 YW |
412 | .dhcp_server_emit_dns = true, |
413 | .dhcp_server_emit_ntp = true, | |
299d578f | 414 | .dhcp_server_emit_sip = true, |
17f9c355 YW |
415 | .dhcp_server_emit_router = true, |
416 | .dhcp_server_emit_timezone = true, | |
417 | ||
418 | .router_emit_dns = true, | |
419 | .router_emit_domains = true, | |
420 | ||
421 | .use_bpdu = -1, | |
422 | .hairpin = -1, | |
423 | .fast_leave = -1, | |
424 | .allow_port_to_be_root = -1, | |
425 | .unicast_flood = -1, | |
7f15b714 | 426 | .multicast_flood = -1, |
d3aa8b49 | 427 | .multicast_to_unicast = -1, |
7f15b714 TJ |
428 | .neighbor_suppression = -1, |
429 | .learning = -1, | |
1087623b SS |
430 | .bridge_proxy_arp = -1, |
431 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 432 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 433 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 YW |
434 | |
435 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, | |
436 | ||
7ece6f58 | 437 | .dns_default_route = -1, |
17f9c355 YW |
438 | .llmnr = RESOLVE_SUPPORT_YES, |
439 | .mdns = RESOLVE_SUPPORT_NO, | |
440 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
441 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
442 | ||
0321cea7 | 443 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 444 | .link_local = _ADDRESS_FAMILY_INVALID, |
17f9c355 YW |
445 | |
446 | .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO, | |
447 | .ipv6_accept_ra = -1, | |
448 | .ipv6_dad_transmits = -1, | |
449 | .ipv6_hop_limit = -1, | |
450 | .ipv6_proxy_ndp = -1, | |
451 | .duid.type = _DUID_TYPE_INVALID, | |
452 | .proxy_arp = -1, | |
453 | .arp = -1, | |
454 | .multicast = -1, | |
455 | .allmulticast = -1, | |
456 | .ipv6_accept_ra_use_dns = true, | |
062c2eea SS |
457 | .ipv6_accept_ra_use_autonomous_prefix = true, |
458 | .ipv6_accept_ra_use_onlink_prefix = true, | |
17f9c355 | 459 | .ipv6_accept_ra_route_table = RT_TABLE_MAIN, |
d5fa3339 | 460 | .ipv6_accept_ra_route_table_set = false, |
d739fdde | 461 | .ipv6_accept_ra_start_dhcp6_client = true, |
c423be28 | 462 | |
7da377ef SS |
463 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, |
464 | ||
c423be28 | 465 | .can_triple_sampling = -1, |
52aa38f1 | 466 | .can_termination = -1, |
afe42aef | 467 | .ip_service_type = -1, |
17f9c355 | 468 | }; |
f579559b | 469 | |
dc0d4078 | 470 | r = config_parse_many(filename, NETWORK_DIRS, dropin_dirname, |
23bb31aa ZJS |
471 | "Match\0" |
472 | "Link\0" | |
473 | "Network\0" | |
474 | "Address\0" | |
e4a71bf3 | 475 | "Neighbor\0" |
95b74ef6 | 476 | "IPv6AddressLabel\0" |
bce67bbe | 477 | "RoutingPolicyRule\0" |
23bb31aa | 478 | "Route\0" |
c16c7808 | 479 | "NextHop\0" |
4abcdaa0 YW |
480 | "DHCP\0" /* compat */ |
481 | "DHCPv4\0" | |
caa8ca42 | 482 | "DHCPv6\0" |
23bb31aa ZJS |
483 | "DHCPServer\0" |
484 | "IPv6AcceptRA\0" | |
a0e5c15d | 485 | "IPv6NDPProxyAddress\0" |
23bb31aa ZJS |
486 | "Bridge\0" |
487 | "BridgeFDB\0" | |
9d5d0090 | 488 | "BridgeVLAN\0" |
7d5cac19 | 489 | "IPv6PrefixDelegation\0" |
06828bb6 | 490 | "IPv6Prefix\0" |
203d4df5 | 491 | "IPv6RoutePrefix\0" |
e9a8c550 | 492 | "LLDP\0" |
0f5bd7fe | 493 | "TrafficControlQueueingDiscipline\0" |
18de0969 | 494 | "CAN\0" |
2ed5f6d5 | 495 | "QDisc\0" |
c853f594 | 496 | "BFIFO\0" |
ad8352f4 | 497 | "CAKE\0" |
18de0969 | 498 | "ControlledDelay\0" |
f5fc0441 | 499 | "DeficitRoundRobinScheduler\0" |
ad365c5d | 500 | "DeficitRoundRobinSchedulerClass\0" |
a7476065 | 501 | "PFIFO\0" |
1a95964b | 502 | "PFIFOFast\0" |
053a2ddb | 503 | "PFIFOHeadDrop\0" |
ca58d00c | 504 | "FairQueueing\0" |
18de0969 | 505 | "FairQueueingControlledDelay\0" |
609e8340 | 506 | "GenericRandomEarlyDetection\0" |
7f224020 | 507 | "HeavyHitterFilter\0" |
b934ac3d | 508 | "HierarchyTokenBucket\0" |
19f86a63 | 509 | "HierarchyTokenBucketClass\0" |
18de0969 | 510 | "NetworkEmulator\0" |
bde4ae88 | 511 | "PIE\0" |
982998b0 | 512 | "StochasticFairBlue\0" |
18de0969 | 513 | "StochasticFairnessQueueing\0" |
9b749c11 YW |
514 | "TokenBucketFilter\0" |
515 | "TrivialLinkEqualizer\0", | |
23bb31aa | 516 | config_item_perf_lookup, network_network_gperf_lookup, |
bcde742e | 517 | CONFIG_PARSE_WARN, network); |
102bc043 | 518 | if (r < 0) |
f579559b | 519 | return r; |
f579559b | 520 | |
add8d07d | 521 | network_apply_anonymize_if_set(network); |
522 | ||
fa7cd711 YW |
523 | r = network_add_ipv4ll_route(network); |
524 | if (r < 0) | |
525 | log_warning_errno(r, "%s: Failed to add IPv4LL route, ignoring: %m", network->filename); | |
526 | ||
5d5003ab YW |
527 | r = network_add_default_route_on_device(network); |
528 | if (r < 0) | |
529 | log_warning_errno(r, "%s: Failed to add default route on device, ignoring: %m", | |
530 | network->filename); | |
531 | ||
7f06b3e1 YW |
532 | struct stat stats; |
533 | if (stat(filename, &stats) < 0) | |
534 | return -errno; | |
535 | network->timestamp = timespec_load(&stats.st_mtim); | |
536 | ||
537 | if (network_verify(network) < 0) | |
538 | /* Ignore .network files that do not match the conditions. */ | |
539 | return 0; | |
540 | ||
541 | r = ordered_hashmap_ensure_allocated(networks, &string_hash_ops); | |
dbffab87 TG |
542 | if (r < 0) |
543 | return r; | |
544 | ||
7f06b3e1 | 545 | r = ordered_hashmap_put(*networks, network->name, network); |
dbffab87 TG |
546 | if (r < 0) |
547 | return r; | |
548 | ||
f579559b | 549 | network = NULL; |
f579559b TG |
550 | return 0; |
551 | } | |
552 | ||
7f06b3e1 | 553 | int network_load(Manager *manager, OrderedHashmap **networks) { |
477e73b5 ZJS |
554 | _cleanup_strv_free_ char **files = NULL; |
555 | char **f; | |
f579559b TG |
556 | int r; |
557 | ||
558 | assert(manager); | |
559 | ||
7f06b3e1 | 560 | ordered_hashmap_clear_with_destructor(*networks, network_unref); |
f579559b | 561 | |
dc0d4078 | 562 | r = conf_files_list_strv(&files, ".network", NULL, 0, NETWORK_DIRS); |
f647962d MS |
563 | if (r < 0) |
564 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b | 565 | |
715d398e | 566 | STRV_FOREACH(f, files) { |
7f06b3e1 | 567 | r = network_load_one(manager, networks, *f); |
f579559b | 568 | if (r < 0) |
be711082 | 569 | log_error_errno(r, "Failed to load %s, ignoring: %m", *f); |
f579559b TG |
570 | } |
571 | ||
f579559b TG |
572 | return 0; |
573 | } | |
574 | ||
7f06b3e1 YW |
575 | int network_reload(Manager *manager) { |
576 | OrderedHashmap *new_networks = NULL; | |
577 | Network *n, *old; | |
578 | Iterator i; | |
579 | int r; | |
580 | ||
581 | assert(manager); | |
582 | ||
583 | r = network_load(manager, &new_networks); | |
584 | if (r < 0) | |
585 | goto failure; | |
586 | ||
587 | ORDERED_HASHMAP_FOREACH(n, new_networks, i) { | |
588 | r = network_get_by_name(manager, n->name, &old); | |
589 | if (r < 0) | |
590 | continue; /* The .network file is new. */ | |
591 | ||
592 | if (n->timestamp != old->timestamp) | |
593 | continue; /* The .network file is modified. */ | |
594 | ||
595 | if (!streq(n->filename, old->filename)) | |
596 | continue; | |
597 | ||
598 | r = ordered_hashmap_replace(new_networks, old->name, old); | |
599 | if (r < 0) | |
600 | goto failure; | |
601 | ||
602 | network_ref(old); | |
603 | network_unref(n); | |
604 | } | |
605 | ||
606 | ordered_hashmap_free_with_destructor(manager->networks, network_unref); | |
607 | manager->networks = new_networks; | |
608 | ||
609 | return 0; | |
610 | ||
611 | failure: | |
612 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
613 | ||
614 | return r; | |
615 | } | |
616 | ||
35ac3b76 | 617 | static Network *network_free(Network *network) { |
a0e5c15d | 618 | IPv6ProxyNDPAddress *ipv6_proxy_ndp_address; |
95081e08 | 619 | RoutePrefix *route_prefix; |
bce67bbe | 620 | RoutingPolicyRule *rule; |
95081e08 | 621 | AddressLabel *label; |
bce67bbe | 622 | FdbEntry *fdb_entry; |
e4a71bf3 | 623 | Neighbor *neighbor; |
bce67bbe | 624 | Address *address; |
c16c7808 SS |
625 | NextHop *nexthop; |
626 | Prefix *prefix; | |
bce67bbe | 627 | Route *route; |
f579559b TG |
628 | |
629 | if (!network) | |
35ac3b76 | 630 | return NULL; |
f579559b TG |
631 | |
632 | free(network->filename); | |
633 | ||
e90d0374 | 634 | set_free_free(network->match_mac); |
4bb7cc82 | 635 | set_free_free(network->match_permanent_mac); |
5256e00e TG |
636 | strv_free(network->match_path); |
637 | strv_free(network->match_driver); | |
638 | strv_free(network->match_type); | |
639 | strv_free(network->match_name); | |
44005bfb | 640 | strv_free(network->match_property); |
78404d22 | 641 | strv_free(network->match_wlan_iftype); |
8d968fdd | 642 | strv_free(network->match_ssid); |
277ba8d1 | 643 | set_free_free(network->match_bssid); |
c4f58dea | 644 | condition_free_list(network->conditions); |
f579559b TG |
645 | |
646 | free(network->description); | |
edb85f0d | 647 | free(network->dhcp_vendor_class_identifier); |
7b8d23a9 | 648 | free(network->dhcp_mudurl); |
af1c0de0 | 649 | strv_free(network->dhcp_user_class); |
27cb34f5 | 650 | free(network->dhcp_hostname); |
727b5734 | 651 | set_free(network->dhcp_black_listed_ip); |
5bc945be | 652 | set_free(network->dhcp_request_options); |
35f6a5cb | 653 | set_free(network->dhcp6_request_options); |
c106cc36 | 654 | free(network->mac); |
3175a8c2 | 655 | free(network->dhcp6_mudurl); |
f37f2a6b | 656 | strv_free(network->dhcp6_user_class); |
c106cc36 | 657 | |
0f3ff4ea SS |
658 | if (network->dhcp_acd) |
659 | sd_ipv4acd_unref(network->dhcp_acd); | |
660 | ||
b0e39c82 | 661 | strv_free(network->ntp); |
5512a963 | 662 | free(network->dns); |
299d578f | 663 | strv_free(network->sip); |
f6269fe7 | 664 | strv_free(network->smtp); |
5e2a51d5 ZJS |
665 | ordered_set_free_free(network->search_domains); |
666 | ordered_set_free_free(network->route_domains); | |
0d4ad91d | 667 | strv_free(network->bind_carrier); |
cdd7812b | 668 | |
5e2a51d5 | 669 | ordered_set_free_free(network->router_search_domains); |
cdd7812b | 670 | free(network->router_dns); |
e520ce64 | 671 | set_free_free(network->ndisc_black_listed_prefix); |
3bef724f | 672 | |
cebe1257 YW |
673 | free(network->bridge_name); |
674 | free(network->bond_name); | |
675 | free(network->vrf_name); | |
676 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 677 | netdev_unref(network->bridge); |
47e2dc31 | 678 | netdev_unref(network->bond); |
6cb955c6 | 679 | netdev_unref(network->vrf); |
fa6f1e54 | 680 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 681 | |
f048a16b | 682 | while ((route = network->static_routes)) |
f579559b TG |
683 | route_free(route); |
684 | ||
c16c7808 SS |
685 | while ((nexthop = network->static_nexthops)) |
686 | nexthop_free(nexthop); | |
687 | ||
f048a16b | 688 | while ((address = network->static_addresses)) |
f579559b TG |
689 | address_free(address); |
690 | ||
b98b483b AR |
691 | while ((fdb_entry = network->static_fdb_entries)) |
692 | fdb_entry_free(fdb_entry); | |
693 | ||
a0e5c15d FK |
694 | while ((ipv6_proxy_ndp_address = network->ipv6_proxy_ndp_addresses)) |
695 | ipv6_proxy_ndp_address_free(ipv6_proxy_ndp_address); | |
696 | ||
e4a71bf3 WKI |
697 | while ((neighbor = network->neighbors)) |
698 | neighbor_free(neighbor); | |
699 | ||
95b74ef6 SS |
700 | while ((label = network->address_labels)) |
701 | address_label_free(label); | |
702 | ||
057abfd8 PF |
703 | while ((prefix = network->static_prefixes)) |
704 | prefix_free(prefix); | |
705 | ||
95081e08 YW |
706 | while ((route_prefix = network->static_route_prefixes)) |
707 | route_prefix_free(route_prefix); | |
9be6ae77 | 708 | |
bce67bbe SS |
709 | while ((rule = network->rules)) |
710 | routing_policy_rule_free(rule); | |
711 | ||
6ae115c1 TG |
712 | hashmap_free(network->addresses_by_section); |
713 | hashmap_free(network->routes_by_section); | |
c16c7808 | 714 | hashmap_free(network->nexthops_by_section); |
b98b483b | 715 | hashmap_free(network->fdb_entries_by_section); |
e4a71bf3 | 716 | hashmap_free(network->neighbors_by_section); |
95b74ef6 | 717 | hashmap_free(network->address_labels_by_section); |
057abfd8 | 718 | hashmap_free(network->prefixes_by_section); |
9be6ae77 | 719 | hashmap_free(network->route_prefixes_by_section); |
bce67bbe | 720 | hashmap_free(network->rules_by_section); |
34658df2 | 721 | ordered_hashmap_free_with_destructor(network->tc_by_section, traffic_control_free); |
6ae115c1 | 722 | |
7f06b3e1 YW |
723 | if (network->manager && |
724 | network->manager->duids_requesting_uuid) | |
725 | set_remove(network->manager->duids_requesting_uuid, &network->duid); | |
dbffab87 TG |
726 | |
727 | free(network->name); | |
f579559b | 728 | |
8eb9058d | 729 | free(network->dhcp_server_timezone); |
1a04db0f LP |
730 | free(network->dhcp_server_dns); |
731 | free(network->dhcp_server_ntp); | |
299d578f | 732 | free(network->dhcp_server_sip); |
8eb9058d | 733 | |
8a516214 LP |
734 | set_free_free(network->dnssec_negative_trust_anchors); |
735 | ||
e9a8c550 SS |
736 | free(network->lldp_mud); |
737 | ||
0e96961d | 738 | ordered_hashmap_free(network->dhcp_client_send_options); |
7354900d | 739 | ordered_hashmap_free(network->dhcp_client_send_vendor_options); |
0e96961d | 740 | ordered_hashmap_free(network->dhcp_server_send_options); |
7354900d | 741 | ordered_hashmap_free(network->dhcp_server_send_vendor_options); |
5f506a55 | 742 | ordered_hashmap_free(network->ipv6_tokens); |
cb29c156 | 743 | |
35ac3b76 | 744 | return mfree(network); |
f579559b TG |
745 | } |
746 | ||
35ac3b76 YW |
747 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
748 | ||
dbffab87 TG |
749 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
750 | Network *network; | |
751 | ||
752 | assert(manager); | |
753 | assert(name); | |
754 | assert(ret); | |
755 | ||
715d398e | 756 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
757 | if (!network) |
758 | return -ENOENT; | |
759 | ||
760 | *ret = network; | |
761 | ||
762 | return 0; | |
763 | } | |
764 | ||
ef62949a | 765 | int network_get(Manager *manager, unsigned short iftype, sd_device *device, |
4bb7cc82 YW |
766 | const char *ifname, char * const *alternative_names, |
767 | const struct ether_addr *address, const struct ether_addr *permanent_address, | |
78404d22 YW |
768 | enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, |
769 | Network **ret) { | |
51517f9e | 770 | Network *network; |
715d398e | 771 | Iterator i; |
f579559b TG |
772 | |
773 | assert(manager); | |
f579559b | 774 | assert(ret); |
af3aa302 | 775 | |
715d398e | 776 | ORDERED_HASHMAP_FOREACH(network, manager->networks, i) |
4bb7cc82 YW |
777 | if (net_match_config(network->match_mac, network->match_permanent_mac, |
778 | network->match_path, network->match_driver, | |
44005bfb | 779 | network->match_type, network->match_name, network->match_property, |
78404d22 | 780 | network->match_wlan_iftype, network->match_ssid, network->match_bssid, |
ef62949a | 781 | iftype, device, address, permanent_address, |
4bb7cc82 | 782 | ifname, alternative_names, wlan_iftype, ssid, bssid)) { |
24c083df | 783 | if (network->match_name && device) { |
ca6038b8 TG |
784 | const char *attr; |
785 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
786 | ||
51517f9e | 787 | if (sd_device_get_sysattr_value(device, "name_assign_type", &attr) >= 0) |
dc751688 | 788 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
789 | |
790 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
791 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
792 | ifname, network->filename); | |
32bc8adc | 793 | else |
a2fae7bb | 794 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 795 | } else |
a2fae7bb | 796 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 797 | |
f579559b TG |
798 | *ret = network; |
799 | return 0; | |
800 | } | |
f579559b TG |
801 | |
802 | *ret = NULL; | |
803 | ||
804 | return -ENOENT; | |
805 | } | |
806 | ||
7d342c03 | 807 | int network_apply(Network *network, Link *link) { |
c4a03a56 TG |
808 | assert(network); |
809 | assert(link); | |
810 | ||
c9c908a6 | 811 | link->network = network_ref(network); |
f579559b | 812 | |
5512a963 | 813 | if (network->n_dns > 0 || |
3df9bec5 | 814 | !strv_isempty(network->ntp) || |
5e2a51d5 ZJS |
815 | !ordered_set_isempty(network->search_domains) || |
816 | !ordered_set_isempty(network->route_domains)) | |
84de38c5 | 817 | link_dirty(link); |
3bef724f | 818 | |
f579559b TG |
819 | return 0; |
820 | } | |
02b59d57 | 821 | |
adfeee49 | 822 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 823 | Address *address; |
adfeee49 YW |
824 | Route *route; |
825 | FdbEntry *fdb; | |
826 | Neighbor *neighbor; | |
439689c6 SS |
827 | |
828 | assert(network); | |
829 | ||
adfeee49 | 830 | LIST_FOREACH(addresses, address, network->static_addresses) |
439689c6 SS |
831 | if (address->family == AF_INET6) |
832 | return true; | |
adfeee49 YW |
833 | |
834 | LIST_FOREACH(routes, route, network->static_routes) | |
835 | if (route->family == AF_INET6) | |
836 | return true; | |
837 | ||
838 | LIST_FOREACH(static_fdb_entries, fdb, network->static_fdb_entries) | |
839 | if (fdb->family == AF_INET6) | |
840 | return true; | |
841 | ||
842 | LIST_FOREACH(neighbors, neighbor, network->neighbors) | |
843 | if (neighbor->family == AF_INET6) | |
844 | return true; | |
845 | ||
846 | if (!LIST_IS_EMPTY(network->address_labels)) | |
847 | return true; | |
848 | ||
849 | if (!LIST_IS_EMPTY(network->static_prefixes)) | |
850 | return true; | |
439689c6 SS |
851 | |
852 | return false; | |
853 | } | |
854 | ||
cebe1257 | 855 | int config_parse_stacked_netdev(const char *unit, |
02b59d57 TG |
856 | const char *filename, |
857 | unsigned line, | |
858 | const char *section, | |
859 | unsigned section_line, | |
860 | const char *lvalue, | |
861 | int ltype, | |
862 | const char *rvalue, | |
863 | void *data, | |
864 | void *userdata) { | |
95dba435 YW |
865 | _cleanup_free_ char *name = NULL; |
866 | NetDevKind kind = ltype; | |
cebe1257 | 867 | Hashmap **h = data; |
02b59d57 TG |
868 | int r; |
869 | ||
870 | assert(filename); | |
871 | assert(lvalue); | |
872 | assert(rvalue); | |
873 | assert(data); | |
95dba435 YW |
874 | assert(IN_SET(kind, |
875 | NETDEV_KIND_VLAN, NETDEV_KIND_MACVLAN, NETDEV_KIND_MACVTAP, | |
69c317a0 | 876 | NETDEV_KIND_IPVLAN, NETDEV_KIND_IPVTAP, NETDEV_KIND_VXLAN, |
98d20a17 | 877 | NETDEV_KIND_L2TP, NETDEV_KIND_MACSEC, _NETDEV_KIND_TUNNEL, |
878 | NETDEV_KIND_XFRM)); | |
54abf461 | 879 | |
cebe1257 | 880 | if (!ifname_valid(rvalue)) { |
3772cfde ZJS |
881 | log_syntax(unit, LOG_ERR, filename, line, 0, |
882 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); | |
54abf461 TG |
883 | return 0; |
884 | } | |
885 | ||
cebe1257 YW |
886 | name = strdup(rvalue); |
887 | if (!name) | |
888 | return log_oom(); | |
3e570042 | 889 | |
cebe1257 YW |
890 | r = hashmap_ensure_allocated(h, &string_hash_ops); |
891 | if (r < 0) | |
892 | return log_oom(); | |
326cb406 | 893 | |
cebe1257 | 894 | r = hashmap_put(*h, name, INT_TO_PTR(kind)); |
83ec4592 | 895 | if (r < 0) |
3772cfde | 896 | log_syntax(unit, LOG_ERR, filename, line, r, |
83ec4592 ZJS |
897 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
898 | else if (r == 0) | |
899 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
900 | "NetDev '%s' specified twice, ignoring.", name); | |
901 | else | |
902 | name = NULL; | |
47e2dc31 | 903 | |
fe6b2d55 TG |
904 | return 0; |
905 | } | |
7951dea2 | 906 | |
3df9bec5 LP |
907 | int config_parse_domains( |
908 | const char *unit, | |
909 | const char *filename, | |
910 | unsigned line, | |
911 | const char *section, | |
912 | unsigned section_line, | |
913 | const char *lvalue, | |
914 | int ltype, | |
915 | const char *rvalue, | |
916 | void *data, | |
917 | void *userdata) { | |
918 | ||
919 | const char *p; | |
920 | Network *n = data; | |
6192b846 TG |
921 | int r; |
922 | ||
3df9bec5 LP |
923 | assert(n); |
924 | assert(lvalue); | |
925 | assert(rvalue); | |
6192b846 | 926 | |
3df9bec5 | 927 | if (isempty(rvalue)) { |
5e2a51d5 ZJS |
928 | n->search_domains = ordered_set_free_free(n->search_domains); |
929 | n->route_domains = ordered_set_free_free(n->route_domains); | |
3df9bec5 LP |
930 | return 0; |
931 | } | |
67272d15 | 932 | |
3df9bec5 LP |
933 | p = rvalue; |
934 | for (;;) { | |
935 | _cleanup_free_ char *w = NULL, *normalized = NULL; | |
936 | const char *domain; | |
937 | bool is_route; | |
938 | ||
939 | r = extract_first_word(&p, &w, NULL, 0); | |
940 | if (r < 0) { | |
ab24039f ZJS |
941 | log_syntax(unit, LOG_ERR, filename, line, r, |
942 | "Failed to extract search or route domain, ignoring: %s", rvalue); | |
3df9bec5 LP |
943 | break; |
944 | } | |
945 | if (r == 0) | |
946 | break; | |
947 | ||
948 | is_route = w[0] == '~'; | |
949 | domain = is_route ? w + 1 : w; | |
950 | ||
951 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
952 | /* If the root domain appears as is, or the special token "*" is found, we'll |
953 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 954 | is_route = true; |
ab24039f ZJS |
955 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
956 | * domain as "." */ | |
3df9bec5 | 957 | } else { |
7470cc4c | 958 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 959 | if (r < 0) { |
ab24039f ZJS |
960 | log_syntax(unit, LOG_ERR, filename, line, r, |
961 | "'%s' is not a valid domain name, ignoring.", domain); | |
3df9bec5 LP |
962 | continue; |
963 | } | |
964 | ||
965 | domain = normalized; | |
966 | ||
967 | if (is_localhost(domain)) { | |
ab24039f ZJS |
968 | log_syntax(unit, LOG_ERR, filename, line, 0, |
969 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", | |
970 | domain); | |
37de2509 | 971 | continue; |
3df9bec5 | 972 | } |
37de2509 | 973 | } |
40274ed6 | 974 | |
5e2a51d5 ZJS |
975 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
976 | r = ordered_set_ensure_allocated(set, &string_hash_ops); | |
977 | if (r < 0) | |
978 | return r; | |
979 | ||
980 | r = ordered_set_put_strdup(*set, domain); | |
09451975 LP |
981 | if (r < 0) |
982 | return log_oom(); | |
40274ed6 | 983 | } |
f15b6e5a | 984 | |
6192b846 TG |
985 | return 0; |
986 | } | |
987 | ||
60c35566 | 988 | int config_parse_ipv6token( |
7f77697a TG |
989 | const char* unit, |
990 | const char *filename, | |
991 | unsigned line, | |
992 | const char *section, | |
993 | unsigned section_line, | |
994 | const char *lvalue, | |
995 | int ltype, | |
996 | const char *rvalue, | |
997 | void *data, | |
998 | void *userdata) { | |
999 | ||
1000 | union in_addr_union buffer; | |
1001 | struct in6_addr *token = data; | |
1002 | int r; | |
1003 | ||
1004 | assert(filename); | |
1005 | assert(lvalue); | |
1006 | assert(rvalue); | |
1007 | assert(token); | |
1008 | ||
1009 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
1010 | if (r < 0) { | |
ab24039f ZJS |
1011 | log_syntax(unit, LOG_ERR, filename, line, r, |
1012 | "Failed to parse IPv6 token, ignoring: %s", rvalue); | |
7f77697a TG |
1013 | return 0; |
1014 | } | |
1015 | ||
c606db69 | 1016 | if (in_addr_is_null(AF_INET6, &buffer)) { |
ab24039f ZJS |
1017 | log_syntax(unit, LOG_ERR, filename, line, 0, |
1018 | "IPv6 token cannot be the ANY address, ignoring: %s", rvalue); | |
7f77697a TG |
1019 | return 0; |
1020 | } | |
1021 | ||
1022 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
ab24039f ZJS |
1023 | log_syntax(unit, LOG_ERR, filename, line, 0, |
1024 | "IPv6 token cannot be longer than 64 bits, ignoring: %s", rvalue); | |
7f77697a TG |
1025 | return 0; |
1026 | } | |
1027 | ||
1028 | *token = buffer.in6; | |
1029 | ||
1030 | return 0; | |
1031 | } | |
8add5f79 | 1032 | |
49092e22 | 1033 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
1034 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
1035 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
1036 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
1037 | }; |
1038 | ||
b146ad71 YW |
1039 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(ipv6_privacy_extensions, IPv6PrivacyExtensions, |
1040 | IPV6_PRIVACY_EXTENSIONS_YES); | |
49092e22 SS |
1041 | |
1042 | int config_parse_ipv6_privacy_extensions( | |
1043 | const char* unit, | |
1044 | const char *filename, | |
1045 | unsigned line, | |
1046 | const char *section, | |
1047 | unsigned section_line, | |
1048 | const char *lvalue, | |
1049 | int ltype, | |
1050 | const char *rvalue, | |
1051 | void *data, | |
1052 | void *userdata) { | |
1053 | ||
b146ad71 | 1054 | IPv6PrivacyExtensions s, *ipv6_privacy_extensions = data; |
49092e22 SS |
1055 | |
1056 | assert(filename); | |
1057 | assert(lvalue); | |
1058 | assert(rvalue); | |
1059 | assert(ipv6_privacy_extensions); | |
1060 | ||
b146ad71 YW |
1061 | s = ipv6_privacy_extensions_from_string(rvalue); |
1062 | if (s < 0) { | |
1063 | if (streq(rvalue, "kernel")) | |
1064 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
1065 | else { | |
1066 | log_syntax(unit, LOG_ERR, filename, line, 0, | |
1067 | "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); | |
1068 | return 0; | |
49092e22 | 1069 | } |
49092e22 SS |
1070 | } |
1071 | ||
b146ad71 YW |
1072 | *ipv6_privacy_extensions = s; |
1073 | ||
49092e22 SS |
1074 | return 0; |
1075 | } | |
a7d0ef44 | 1076 | |
1ac608c9 LP |
1077 | int config_parse_hostname( |
1078 | const char *unit, | |
1079 | const char *filename, | |
1080 | unsigned line, | |
1081 | const char *section, | |
1082 | unsigned section_line, | |
1083 | const char *lvalue, | |
1084 | int ltype, | |
1085 | const char *rvalue, | |
1086 | void *data, | |
1087 | void *userdata) { | |
1088 | ||
6528693a YW |
1089 | _cleanup_free_ char *hn = NULL; |
1090 | char **hostname = data; | |
a7d0ef44 SS |
1091 | int r; |
1092 | ||
1093 | assert(filename); | |
1094 | assert(lvalue); | |
1095 | assert(rvalue); | |
1096 | ||
1ac608c9 | 1097 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
1098 | if (r < 0) |
1099 | return r; | |
1100 | ||
1ac608c9 | 1101 | if (!hostname_is_valid(hn, false)) { |
ab24039f ZJS |
1102 | log_syntax(unit, LOG_ERR, filename, line, 0, |
1103 | "Hostname is not valid, ignoring assignment: %s", rvalue); | |
a7d0ef44 SS |
1104 | return 0; |
1105 | } | |
1106 | ||
6528693a YW |
1107 | r = dns_name_is_valid(hn); |
1108 | if (r < 0) { | |
ab24039f ZJS |
1109 | log_syntax(unit, LOG_ERR, filename, line, r, |
1110 | "Failed to check validity of hostname '%s', ignoring assignment: %m", rvalue); | |
6528693a YW |
1111 | return 0; |
1112 | } | |
1113 | if (r == 0) { | |
ab24039f ZJS |
1114 | log_syntax(unit, LOG_ERR, filename, line, 0, |
1115 | "Hostname is not a valid DNS domain name, ignoring assignment: %s", rvalue); | |
6528693a YW |
1116 | return 0; |
1117 | } | |
1118 | ||
1119 | return free_and_replace(*hostname, hn); | |
a7d0ef44 | 1120 | } |
8eb9058d LP |
1121 | |
1122 | int config_parse_timezone( | |
1123 | const char *unit, | |
1124 | const char *filename, | |
1125 | unsigned line, | |
1126 | const char *section, | |
1127 | unsigned section_line, | |
1128 | const char *lvalue, | |
1129 | int ltype, | |
1130 | const char *rvalue, | |
1131 | void *data, | |
1132 | void *userdata) { | |
1133 | ||
19f9e4e2 YW |
1134 | _cleanup_free_ char *tz = NULL; |
1135 | char **datap = data; | |
8eb9058d LP |
1136 | int r; |
1137 | ||
1138 | assert(filename); | |
1139 | assert(lvalue); | |
1140 | assert(rvalue); | |
1141 | ||
1142 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1143 | if (r < 0) | |
1144 | return r; | |
1145 | ||
089fb865 | 1146 | if (!timezone_is_valid(tz, LOG_ERR)) { |
ab24039f ZJS |
1147 | log_syntax(unit, LOG_ERR, filename, line, 0, |
1148 | "Timezone is not valid, ignoring assignment: %s", rvalue); | |
8eb9058d LP |
1149 | return 0; |
1150 | } | |
1151 | ||
19f9e4e2 | 1152 | return free_and_replace(*datap, tz); |
8eb9058d | 1153 | } |
1a04db0f | 1154 | |
53253824 SS |
1155 | int config_parse_dns( |
1156 | const char *unit, | |
1157 | const char *filename, | |
1158 | unsigned line, | |
1159 | const char *section, | |
1160 | unsigned section_line, | |
1161 | const char *lvalue, | |
1162 | int ltype, | |
1163 | const char *rvalue, | |
1164 | void *data, | |
1165 | void *userdata) { | |
1166 | ||
1167 | Network *n = userdata; | |
1168 | int r; | |
1169 | ||
1170 | assert(filename); | |
1171 | assert(lvalue); | |
1172 | assert(rvalue); | |
1173 | ||
1174 | for (;;) { | |
1175 | _cleanup_free_ char *w = NULL; | |
1176 | union in_addr_union a; | |
5512a963 | 1177 | struct in_addr_data *m; |
53253824 SS |
1178 | int family; |
1179 | ||
5512a963 | 1180 | r = extract_first_word(&rvalue, &w, NULL, 0); |
53253824 SS |
1181 | if (r == -ENOMEM) |
1182 | return log_oom(); | |
1183 | if (r < 0) { | |
ab24039f ZJS |
1184 | log_syntax(unit, LOG_ERR, filename, line, r, |
1185 | "Invalid syntax, ignoring: %s", rvalue); | |
53253824 SS |
1186 | break; |
1187 | } | |
5512a963 LP |
1188 | if (r == 0) |
1189 | break; | |
53253824 SS |
1190 | |
1191 | r = in_addr_from_string_auto(w, &family, &a); | |
1192 | if (r < 0) { | |
ab24039f ZJS |
1193 | log_syntax(unit, LOG_ERR, filename, line, r, |
1194 | "Failed to parse dns server address, ignoring: %s", w); | |
53253824 SS |
1195 | continue; |
1196 | } | |
1197 | ||
62d74c78 | 1198 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_data)); |
5512a963 | 1199 | if (!m) |
53253824 SS |
1200 | return log_oom(); |
1201 | ||
5512a963 LP |
1202 | m[n->n_dns++] = (struct in_addr_data) { |
1203 | .family = family, | |
1204 | .address = a, | |
1205 | }; | |
1206 | ||
1207 | n->dns = m; | |
53253824 SS |
1208 | } |
1209 | ||
1210 | return 0; | |
1211 | } | |
1212 | ||
8a516214 LP |
1213 | int config_parse_dnssec_negative_trust_anchors( |
1214 | const char *unit, | |
1215 | const char *filename, | |
1216 | unsigned line, | |
1217 | const char *section, | |
1218 | unsigned section_line, | |
1219 | const char *lvalue, | |
1220 | int ltype, | |
1221 | const char *rvalue, | |
1222 | void *data, | |
1223 | void *userdata) { | |
1224 | ||
1225 | const char *p = rvalue; | |
1226 | Network *n = data; | |
1227 | int r; | |
1228 | ||
3df9bec5 | 1229 | assert(n); |
8a516214 LP |
1230 | assert(lvalue); |
1231 | assert(rvalue); | |
1232 | ||
1233 | if (isempty(rvalue)) { | |
1234 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1235 | return 0; | |
1236 | } | |
1237 | ||
1238 | for (;;) { | |
1239 | _cleanup_free_ char *w = NULL; | |
1240 | ||
1241 | r = extract_first_word(&p, &w, NULL, 0); | |
1242 | if (r < 0) { | |
ab24039f ZJS |
1243 | log_syntax(unit, LOG_ERR, filename, line, r, |
1244 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); | |
8a516214 LP |
1245 | break; |
1246 | } | |
1247 | if (r == 0) | |
1248 | break; | |
1249 | ||
1250 | r = dns_name_is_valid(w); | |
1251 | if (r <= 0) { | |
ab24039f ZJS |
1252 | log_syntax(unit, LOG_ERR, filename, line, r, |
1253 | "%s is not a valid domain name, ignoring.", w); | |
8a516214 LP |
1254 | continue; |
1255 | } | |
1256 | ||
cbbf38ae LP |
1257 | r = set_ensure_allocated(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops); |
1258 | if (r < 0) | |
1259 | return log_oom(); | |
1260 | ||
8a516214 LP |
1261 | r = set_put(n->dnssec_negative_trust_anchors, w); |
1262 | if (r < 0) | |
1263 | return log_oom(); | |
1264 | if (r > 0) | |
1265 | w = NULL; | |
1266 | } | |
1267 | ||
1268 | return 0; | |
1269 | } | |
b2a81c0b | 1270 | |
26575990 LP |
1271 | int config_parse_ntp( |
1272 | const char *unit, | |
1273 | const char *filename, | |
1274 | unsigned line, | |
1275 | const char *section, | |
1276 | unsigned section_line, | |
1277 | const char *lvalue, | |
1278 | int ltype, | |
1279 | const char *rvalue, | |
1280 | void *data, | |
1281 | void *userdata) { | |
1282 | ||
1283 | char ***l = data; | |
1284 | int r; | |
1285 | ||
1286 | assert(l); | |
1287 | assert(lvalue); | |
1288 | assert(rvalue); | |
1289 | ||
1290 | if (isempty(rvalue)) { | |
1291 | *l = strv_free(*l); | |
1292 | return 0; | |
1293 | } | |
1294 | ||
1295 | for (;;) { | |
1296 | _cleanup_free_ char *w = NULL; | |
1297 | ||
1298 | r = extract_first_word(&rvalue, &w, NULL, 0); | |
1299 | if (r == -ENOMEM) | |
1300 | return log_oom(); | |
1301 | if (r < 0) { | |
ab24039f ZJS |
1302 | log_syntax(unit, LOG_ERR, filename, line, r, |
1303 | "Failed to extract NTP server name, ignoring: %s", rvalue); | |
26575990 LP |
1304 | break; |
1305 | } | |
1306 | if (r == 0) | |
1307 | break; | |
1308 | ||
1309 | r = dns_name_is_valid_or_address(w); | |
1310 | if (r <= 0) { | |
ab24039f ZJS |
1311 | log_syntax(unit, LOG_ERR, filename, line, r, |
1312 | "%s is not a valid domain name or IP address, ignoring.", w); | |
26575990 | 1313 | continue; |
af1c0de0 SS |
1314 | } |
1315 | ||
c448459d ZJS |
1316 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1317 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1318 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1319 | MAX_NTP_SERVERS, w); | |
1320 | break; | |
1321 | } | |
1322 | ||
1323 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1324 | if (r < 0) |
1325 | return log_oom(); | |
af1c0de0 SS |
1326 | } |
1327 | ||
1328 | return 0; | |
1329 | } | |
1330 | ||
4ac77d63 YW |
1331 | int config_parse_required_for_online( |
1332 | const char *unit, | |
1333 | const char *filename, | |
1334 | unsigned line, | |
1335 | const char *section, | |
1336 | unsigned section_line, | |
1337 | const char *lvalue, | |
1338 | int ltype, | |
1339 | const char *rvalue, | |
1340 | void *data, | |
1341 | void *userdata) { | |
1342 | ||
1343 | Network *network = data; | |
75cd4a5d | 1344 | LinkOperationalStateRange range; |
4ac77d63 YW |
1345 | bool required = true; |
1346 | int r; | |
1347 | ||
1348 | if (isempty(rvalue)) { | |
1349 | network->required_for_online = true; | |
75cd4a5d | 1350 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1351 | return 0; |
1352 | } | |
1353 | ||
75cd4a5d DDM |
1354 | r = parse_operational_state_range(rvalue, &range); |
1355 | if (r < 0) { | |
4ac77d63 YW |
1356 | r = parse_boolean(rvalue); |
1357 | if (r < 0) { | |
1358 | log_syntax(unit, LOG_ERR, filename, line, r, | |
1359 | "Failed to parse %s= setting, ignoring assignment: %s", | |
1360 | lvalue, rvalue); | |
1361 | return 0; | |
1362 | } | |
1363 | ||
1364 | required = r; | |
75cd4a5d | 1365 | range = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1366 | } |
1367 | ||
1368 | network->required_for_online = required; | |
75cd4a5d | 1369 | network->required_operstate_for_online = range; |
4ac77d63 YW |
1370 | |
1371 | return 0; | |
1372 | } | |
7da377ef SS |
1373 | |
1374 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, | |
1375 | "Failed to parse KeepConfiguration= setting"); | |
1376 | ||
1377 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1378 | [KEEP_CONFIGURATION_NO] = "no", |
1379 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1380 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1381 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1382 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1383 | }; |
1384 | ||
1385 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); |