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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" |
fb486c90 | 17 | #include "networkd-address-label.h" |
ee446d57 | 18 | #include "networkd-fdb.h" |
23f53b99 | 19 | #include "networkd-manager.h" |
dbf63196 | 20 | #include "networkd-mdb.h" |
1939ebeb | 21 | #include "networkd-neighbor.h" |
3ffd4af2 | 22 | #include "networkd-network.h" |
75156ccb | 23 | #include "networkd-nexthop.h" |
ca183bf8 | 24 | #include "networkd-routing-policy-rule.h" |
518cd6b5 | 25 | #include "networkd-sriov.h" |
6bedfcbb | 26 | #include "parse-util.h" |
b0c82192 | 27 | #include "path-lookup.h" |
8a516214 | 28 | #include "set.h" |
cebe1257 | 29 | #include "socket-util.h" |
8fcde012 | 30 | #include "stat-util.h" |
8b43440b | 31 | #include "string-table.h" |
07630cea | 32 | #include "string-util.h" |
700f1186 | 33 | #include "strv.h" |
34658df2 | 34 | #include "tc.h" |
07630cea | 35 | #include "util.h" |
f579559b | 36 | |
c448459d ZJS |
37 | /* Let's assume that anything above this number is a user misconfiguration. */ |
38 | #define MAX_NTP_SERVERS 128 | |
39 | ||
add8d07d | 40 | /* Set defaults following RFC7844 */ |
41 | void network_apply_anonymize_if_set(Network *network) { | |
42 | if (!network->dhcp_anonymize) | |
43 | return; | |
44 | /* RFC7844 3.7 | |
45 | SHOULD NOT send the Host Name option */ | |
46 | network->dhcp_send_hostname = false; | |
47 | /* RFC7844 section 3.: | |
48 | MAY contain the Client Identifier option | |
49 | Section 3.5: | |
50 | clients MUST use client identifiers based solely | |
51 | on the link-layer address */ | |
52 | /* NOTE: Using MAC, as it does not reveal extra information, | |
53 | * and some servers might not answer if this option is not sent */ | |
54 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
55 | /* RFC 7844 3.10: | |
56 | SHOULD NOT use the Vendor Class Identifier option */ | |
727ba17f | 57 | network->dhcp_vendor_class_identifier = mfree(network->dhcp_vendor_class_identifier); |
add8d07d | 58 | /* RFC7844 section 3.6.: |
59 | The client intending to protect its privacy SHOULD only request a | |
60 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
43bf2874 | 61 | the ordering of option codes in the PRL. If this random ordering |
add8d07d | 62 | cannot be implemented, the client MAY order the option codes in the |
63 | PRL by option code number (lowest to highest). | |
64 | */ | |
65 | /* NOTE: dhcp_use_mtu is false by default, | |
66 | * though it was not initiallized to any value in network_load_one. | |
67 | * Maybe there should be another var called *send*? | |
68 | * (to use the MTU sent by the server but to do not send | |
69 | * the option in the PRL). */ | |
70 | network->dhcp_use_mtu = false; | |
28522b0d | 71 | /* NOTE: when Anonymize=yes, the PRL route options are sent by default, |
72 | * but this is needed to use them. */ | |
73 | network->dhcp_use_routes = true; | |
add8d07d | 74 | /* RFC7844 section 3.6. |
75 | * same comments as previous option */ | |
76 | network->dhcp_use_timezone = false; | |
77 | } | |
78 | ||
cebe1257 YW |
79 | static int network_resolve_netdev_one(Network *network, const char *name, NetDevKind kind, NetDev **ret_netdev) { |
80 | const char *kind_string; | |
81 | NetDev *netdev; | |
82 | int r; | |
83 | ||
96db6412 YW |
84 | /* For test-networkd-conf, the check must be earlier than the assertions. */ |
85 | if (!name) | |
86 | return 0; | |
87 | ||
cebe1257 YW |
88 | assert(network); |
89 | assert(network->manager); | |
90 | assert(network->filename); | |
91 | assert(ret_netdev); | |
92 | ||
cebe1257 YW |
93 | if (kind == _NETDEV_KIND_TUNNEL) |
94 | kind_string = "tunnel"; | |
95 | else { | |
96 | kind_string = netdev_kind_to_string(kind); | |
97 | if (!kind_string) | |
98 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
99 | "%s: Invalid NetDev kind of %s, ignoring assignment.", | |
100 | network->filename, name); | |
101 | } | |
102 | ||
103 | r = netdev_get(network->manager, name, &netdev); | |
104 | if (r < 0) | |
105 | return log_error_errno(r, "%s: %s NetDev could not be found, ignoring assignment.", | |
106 | network->filename, name); | |
107 | ||
108 | if (netdev->kind != kind && !(kind == _NETDEV_KIND_TUNNEL && | |
109 | IN_SET(netdev->kind, | |
110 | NETDEV_KIND_IPIP, | |
111 | NETDEV_KIND_SIT, | |
112 | NETDEV_KIND_GRE, | |
113 | NETDEV_KIND_GRETAP, | |
114 | NETDEV_KIND_IP6GRE, | |
115 | NETDEV_KIND_IP6GRETAP, | |
116 | NETDEV_KIND_VTI, | |
117 | NETDEV_KIND_VTI6, | |
9282f75b YW |
118 | NETDEV_KIND_IP6TNL, |
119 | NETDEV_KIND_ERSPAN))) | |
cebe1257 YW |
120 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
121 | "%s: NetDev %s is not a %s, ignoring assignment", | |
122 | network->filename, name, kind_string); | |
123 | ||
124 | *ret_netdev = netdev_ref(netdev); | |
125 | return 1; | |
126 | } | |
127 | ||
128 | static int network_resolve_stacked_netdevs(Network *network) { | |
129 | void *name, *kind; | |
cebe1257 YW |
130 | int r; |
131 | ||
132 | assert(network); | |
133 | ||
90e74a66 | 134 | HASHMAP_FOREACH_KEY(kind, name, network->stacked_netdev_names) { |
cebe1257 YW |
135 | _cleanup_(netdev_unrefp) NetDev *netdev = NULL; |
136 | ||
137 | r = network_resolve_netdev_one(network, name, PTR_TO_INT(kind), &netdev); | |
138 | if (r <= 0) | |
139 | continue; | |
140 | ||
141 | r = hashmap_ensure_allocated(&network->stacked_netdevs, &string_hash_ops); | |
142 | if (r < 0) | |
143 | return log_oom(); | |
144 | ||
145 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); | |
146 | if (r < 0) | |
147 | return log_error_errno(r, "%s: Failed to add NetDev '%s' to network: %m", | |
148 | network->filename, (const char *) name); | |
149 | ||
150 | netdev = NULL; | |
151 | } | |
152 | ||
153 | return 0; | |
154 | } | |
155 | ||
96db6412 | 156 | int network_verify(Network *network) { |
95081e08 | 157 | RoutePrefix *route_prefix, *route_prefix_next; |
564ca984 SS |
158 | Address *address, *address_next; |
159 | Prefix *prefix, *prefix_next; | |
160 | Route *route, *route_next; | |
34658df2 | 161 | TrafficControl *tc; |
518cd6b5 | 162 | SRIOV *sr_iov; |
0321cea7 YW |
163 | |
164 | assert(network); | |
165 | assert(network->filename); | |
166 | ||
4bb7cc82 YW |
167 | if (set_isempty(network->match_mac) && set_isempty(network->match_permanent_mac) && |
168 | strv_isempty(network->match_path) && strv_isempty(network->match_driver) && | |
169 | strv_isempty(network->match_type) && strv_isempty(network->match_name) && | |
25c86e4c DDM |
170 | strv_isempty(network->match_property) && strv_isempty(network->match_wlan_iftype) && |
171 | strv_isempty(network->match_ssid) && !network->conditions) | |
dade7349 ZJS |
172 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
173 | "%s: No valid settings found in the [Match] section, ignoring file. " | |
174 | "To match all interfaces, add Name=* in the [Match] section.", | |
175 | network->filename); | |
84ea567e | 176 | |
cebe1257 | 177 | /* skip out early if configuration does not match the environment */ |
a0b191b7 | 178 | if (!condition_test_list(network->conditions, environ, NULL, NULL, NULL)) |
cebe1257 | 179 | return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), |
3772cfde ZJS |
180 | "%s: Conditions in the file do not match the system environment, skipping.", |
181 | network->filename); | |
cebe1257 YW |
182 | |
183 | (void) network_resolve_netdev_one(network, network->bond_name, NETDEV_KIND_BOND, &network->bond); | |
184 | (void) network_resolve_netdev_one(network, network->bridge_name, NETDEV_KIND_BRIDGE, &network->bridge); | |
185 | (void) network_resolve_netdev_one(network, network->vrf_name, NETDEV_KIND_VRF, &network->vrf); | |
186 | (void) network_resolve_stacked_netdevs(network); | |
187 | ||
188 | /* Free unnecessary entries. */ | |
189 | network->bond_name = mfree(network->bond_name); | |
190 | network->bridge_name = mfree(network->bridge_name); | |
191 | network->vrf_name = mfree(network->vrf_name); | |
192 | network->stacked_netdev_names = hashmap_free_free_key(network->stacked_netdev_names); | |
193 | ||
0321cea7 YW |
194 | if (network->bond) { |
195 | /* Bonding slave does not support addressing. */ | |
196 | if (network->ipv6_accept_ra > 0) { | |
ab24039f ZJS |
197 | log_warning("%s: Cannot enable IPv6AcceptRA= when Bond= is specified, disabling IPv6AcceptRA=.", |
198 | network->filename); | |
0321cea7 YW |
199 | network->ipv6_accept_ra = 0; |
200 | } | |
201 | if (network->link_local >= 0 && network->link_local != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
202 | log_warning("%s: Cannot enable LinkLocalAddressing= when Bond= is specified, disabling LinkLocalAddressing=.", |
203 | network->filename); | |
0321cea7 YW |
204 | network->link_local = ADDRESS_FAMILY_NO; |
205 | } | |
206 | if (network->dhcp != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
207 | log_warning("%s: Cannot enable DHCP= when Bond= is specified, disabling DHCP=.", |
208 | network->filename); | |
0321cea7 YW |
209 | network->dhcp = ADDRESS_FAMILY_NO; |
210 | } | |
211 | if (network->dhcp_server) { | |
ab24039f ZJS |
212 | log_warning("%s: Cannot enable DHCPServer= when Bond= is specified, disabling DHCPServer=.", |
213 | network->filename); | |
0321cea7 YW |
214 | network->dhcp_server = false; |
215 | } | |
216 | if (network->n_static_addresses > 0) { | |
ab24039f ZJS |
217 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
218 | network->filename); | |
0321cea7 YW |
219 | while ((address = network->static_addresses)) |
220 | address_free(address); | |
221 | } | |
222 | if (network->n_static_routes > 0) { | |
ab24039f ZJS |
223 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
224 | network->filename); | |
0321cea7 YW |
225 | while ((route = network->static_routes)) |
226 | route_free(route); | |
227 | } | |
228 | } | |
229 | ||
230 | if (network->link_local < 0) | |
8f191801 YW |
231 | network->link_local = network->bridge ? ADDRESS_FAMILY_NO : ADDRESS_FAMILY_IPV6; |
232 | ||
44013aa4 YW |
233 | if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) { |
234 | if (network->ipv6_accept_ra > 0) { | |
235 | log_warning("%s: IPv6AcceptRA= is enabled by the .network file but IPv6 link local addressing is disabled. " | |
236 | "Disabling IPv6AcceptRA=.", network->filename); | |
237 | network->ipv6_accept_ra = false; | |
238 | } | |
239 | ||
240 | if (FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV6)) { | |
241 | log_warning("%s: DHCPv6 client is enabled by the .network file but IPv6 link local addressing is disabled. " | |
242 | "Disabling DHCPv6 client.", network->filename); | |
243 | SET_FLAG(network->dhcp, ADDRESS_FAMILY_IPV6, false); | |
244 | } | |
245 | ||
246 | if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE) { | |
247 | log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. " | |
248 | "Disabling IPv6PrefixDelegation=.", network->filename); | |
249 | network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE; | |
250 | } | |
251 | } | |
252 | ||
29e81083 YW |
253 | if (FLAGS_SET(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4) && |
254 | !FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV4)) { | |
255 | log_warning("%s: fallback assignment of IPv4 link local address is enabled but DHCPv4 is disabled. " | |
256 | "Disabling the fallback assignment.", network->filename); | |
257 | SET_FLAG(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4, false); | |
258 | } | |
259 | ||
8f191801 YW |
260 | if (network->ipv6_accept_ra < 0 && network->bridge) |
261 | network->ipv6_accept_ra = false; | |
0321cea7 YW |
262 | |
263 | /* IPMasquerade=yes implies IPForward=yes */ | |
264 | if (network->ip_masquerade) | |
265 | network->ip_forward |= ADDRESS_FAMILY_IPV4; | |
266 | ||
933c70a0 | 267 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
268 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
269 | "Disabling UseMTU=.", network->filename); | |
270 | network->dhcp_use_mtu = false; | |
271 | } | |
272 | ||
589397a2 DS |
273 | if (network->dhcp_use_gateway < 0) |
274 | network->dhcp_use_gateway = network->dhcp_use_routes; | |
275 | ||
bd0d471c DS |
276 | if (network->ignore_carrier_loss < 0) |
277 | network->ignore_carrier_loss = network->configure_without_carrier; | |
278 | ||
7da377ef SS |
279 | if (network->dhcp_critical >= 0) { |
280 | if (network->keep_configuration >= 0) | |
281 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
282 | "Ignoring CriticalConnection=.", network->filename); | |
283 | else if (network->dhcp_critical) | |
284 | /* CriticalConnection=yes also preserve foreign static configurations. */ | |
285 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
286 | else | |
80060352 | 287 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
288 | } |
289 | ||
290 | if (network->keep_configuration < 0) | |
80060352 | 291 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 292 | |
4bec2f23 | 293 | LIST_FOREACH_SAFE(addresses, address, address_next, network->static_addresses) |
fcbf4cb7 | 294 | if (address_section_verify(address) < 0) |
4bec2f23 | 295 | address_free(address); |
4bec2f23 | 296 | |
fcbf4cb7 YW |
297 | LIST_FOREACH_SAFE(routes, route, route_next, network->static_routes) |
298 | if (route_section_verify(route, network) < 0) | |
4bec2f23 | 299 | route_free(route); |
0321cea7 | 300 | |
0992f9fb | 301 | network_verify_nexthops(network); |
e6ad630d | 302 | network_verify_fdb_entries(network); |
ee4522ce | 303 | network_verify_mdb_entries(network); |
78ada14f | 304 | network_verify_neighbors(network); |
ab316813 | 305 | network_verify_address_labels(network); |
fcbf4cb7 YW |
306 | |
307 | LIST_FOREACH_SAFE(prefixes, prefix, prefix_next, network->static_prefixes) | |
308 | if (section_is_invalid(prefix->section)) | |
309 | prefix_free(prefix); | |
310 | ||
95081e08 YW |
311 | LIST_FOREACH_SAFE(route_prefixes, route_prefix, route_prefix_next, network->static_route_prefixes) |
312 | if (section_is_invalid(route_prefix->section)) | |
313 | route_prefix_free(route_prefix); | |
714a199e | 314 | |
50a3682f | 315 | network_verify_routing_policy_rules(network); |
4912ab77 | 316 | |
8efb93f0 | 317 | bool has_root = false, has_clsact = false; |
90e74a66 | 318 | ORDERED_HASHMAP_FOREACH(tc, network->tc_by_section) |
34658df2 YW |
319 | if (traffic_control_section_verify(tc, &has_root, &has_clsact) < 0) |
320 | traffic_control_free(tc); | |
8efb93f0 | 321 | |
90e74a66 | 322 | ORDERED_HASHMAP_FOREACH(sr_iov, network->sr_iov_by_section) |
518cd6b5 SS |
323 | if (sr_iov_section_verify(sr_iov) < 0) |
324 | sr_iov_free(sr_iov); | |
325 | ||
0321cea7 YW |
326 | return 0; |
327 | } | |
328 | ||
7f06b3e1 | 329 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 330 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 331 | _cleanup_(network_unrefp) Network *network = NULL; |
f579559b | 332 | _cleanup_fclose_ FILE *file = NULL; |
047a0dac | 333 | const char *dropin_dirname; |
838b2f7a | 334 | char *d; |
f579559b TG |
335 | int r; |
336 | ||
bf1bc670 TA |
337 | assert(manager); |
338 | assert(filename); | |
339 | ||
f579559b TG |
340 | file = fopen(filename, "re"); |
341 | if (!file) { | |
342 | if (errno == ENOENT) | |
343 | return 0; | |
1e7a0e21 LP |
344 | |
345 | return -errno; | |
f579559b TG |
346 | } |
347 | ||
ed88bcfb ZJS |
348 | if (null_or_empty_fd(fileno(file))) { |
349 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
350 | return 0; |
351 | } | |
352 | ||
838b2f7a YW |
353 | fname = strdup(filename); |
354 | if (!fname) | |
355 | return log_oom(); | |
356 | ||
357 | name = strdup(basename(filename)); | |
358 | if (!name) | |
359 | return log_oom(); | |
360 | ||
361 | d = strrchr(name, '.'); | |
362 | if (!d) | |
363 | return -EINVAL; | |
364 | ||
365 | *d = '\0'; | |
366 | ||
367 | dropin_dirname = strjoina(name, ".network.d"); | |
368 | ||
17f9c355 | 369 | network = new(Network, 1); |
f579559b TG |
370 | if (!network) |
371 | return log_oom(); | |
372 | ||
17f9c355 | 373 | *network = (Network) { |
838b2f7a YW |
374 | .filename = TAKE_PTR(fname), |
375 | .name = TAKE_PTR(name), | |
17f9c355 | 376 | |
715d398e | 377 | .manager = manager, |
35ac3b76 YW |
378 | .n_ref = 1, |
379 | ||
17f9c355 | 380 | .required_for_online = true, |
75cd4a5d | 381 | .required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT, |
17f9c355 | 382 | .dhcp = ADDRESS_FAMILY_NO, |
7da377ef | 383 | .dhcp_critical = -1, |
17f9c355 | 384 | .dhcp_use_ntp = true, |
299d578f | 385 | .dhcp_use_sip = true, |
17f9c355 YW |
386 | .dhcp_use_dns = true, |
387 | .dhcp_use_hostname = true, | |
388 | .dhcp_use_routes = true, | |
589397a2 | 389 | .dhcp_use_gateway = -1, |
5238e957 | 390 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 | 391 | .dhcp_send_hostname = true, |
5f3b5f19 | 392 | .dhcp_send_release = true, |
17f9c355 YW |
393 | /* To enable/disable RFC7844 Anonymity Profiles */ |
394 | .dhcp_anonymize = false, | |
395 | .dhcp_route_metric = DHCP_ROUTE_METRIC, | |
c9c908a6 | 396 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 YW |
397 | .dhcp_client_identifier = DHCP_CLIENT_ID_DUID, |
398 | .dhcp_route_table = RT_TABLE_MAIN, | |
399 | .dhcp_route_table_set = false, | |
400 | /* NOTE: from man: UseMTU=... Defaults to false*/ | |
401 | .dhcp_use_mtu = false, | |
402 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ | |
403 | .dhcp_use_timezone = false, | |
404 | .rapid_commit = true, | |
405 | ||
1bf1bfd9 | 406 | .dhcp6_route_metric = DHCP_ROUTE_METRIC, |
caa8ca42 SS |
407 | .dhcp6_use_ntp = true, |
408 | .dhcp6_use_dns = true, | |
409 | ||
99e015e2 YW |
410 | .dhcp6_pd_subnet_id = -1, |
411 | .dhcp6_pd_assign = true, | |
9efa8a3c | 412 | |
2a71d57f LP |
413 | .dhcp_server_emit[SD_DHCP_LEASE_DNS].emit = true, |
414 | .dhcp_server_emit[SD_DHCP_LEASE_NTP].emit = true, | |
415 | .dhcp_server_emit[SD_DHCP_LEASE_SIP].emit = true, | |
416 | ||
17f9c355 YW |
417 | .dhcp_server_emit_router = true, |
418 | .dhcp_server_emit_timezone = true, | |
419 | ||
420 | .router_emit_dns = true, | |
421 | .router_emit_domains = true, | |
422 | ||
423 | .use_bpdu = -1, | |
424 | .hairpin = -1, | |
425 | .fast_leave = -1, | |
426 | .allow_port_to_be_root = -1, | |
427 | .unicast_flood = -1, | |
7f15b714 | 428 | .multicast_flood = -1, |
d3aa8b49 | 429 | .multicast_to_unicast = -1, |
7f15b714 TJ |
430 | .neighbor_suppression = -1, |
431 | .learning = -1, | |
1087623b SS |
432 | .bridge_proxy_arp = -1, |
433 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 434 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 435 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 YW |
436 | |
437 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, | |
438 | ||
7ece6f58 | 439 | .dns_default_route = -1, |
17f9c355 YW |
440 | .llmnr = RESOLVE_SUPPORT_YES, |
441 | .mdns = RESOLVE_SUPPORT_NO, | |
442 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
443 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
444 | ||
0321cea7 | 445 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 446 | .link_local = _ADDRESS_FAMILY_INVALID, |
6f6296b9 | 447 | .ipv6ll_address_gen_mode = _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID, |
17f9c355 | 448 | |
94d76d07 YW |
449 | .ipv4_accept_local = -1, |
450 | ||
17f9c355 YW |
451 | .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO, |
452 | .ipv6_accept_ra = -1, | |
453 | .ipv6_dad_transmits = -1, | |
454 | .ipv6_hop_limit = -1, | |
455 | .ipv6_proxy_ndp = -1, | |
456 | .duid.type = _DUID_TYPE_INVALID, | |
457 | .proxy_arp = -1, | |
458 | .arp = -1, | |
459 | .multicast = -1, | |
460 | .allmulticast = -1, | |
461 | .ipv6_accept_ra_use_dns = true, | |
062c2eea SS |
462 | .ipv6_accept_ra_use_autonomous_prefix = true, |
463 | .ipv6_accept_ra_use_onlink_prefix = true, | |
17f9c355 | 464 | .ipv6_accept_ra_route_table = RT_TABLE_MAIN, |
d5fa3339 | 465 | .ipv6_accept_ra_route_table_set = false, |
d739fdde | 466 | .ipv6_accept_ra_start_dhcp6_client = true, |
c423be28 | 467 | |
bd0d471c DS |
468 | .configure_without_carrier = false, |
469 | .ignore_carrier_loss = -1, | |
7da377ef | 470 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, |
c423be28 | 471 | .can_triple_sampling = -1, |
52aa38f1 | 472 | .can_termination = -1, |
f594b5fe CG |
473 | .can_listen_only = -1, |
474 | .can_fd_mode = -1, | |
475 | .can_non_iso = -1, | |
afe42aef | 476 | .ip_service_type = -1, |
17f9c355 | 477 | }; |
f579559b | 478 | |
4f9ff96a LP |
479 | r = config_parse_many( |
480 | filename, NETWORK_DIRS, dropin_dirname, | |
481 | "Match\0" | |
482 | "Link\0" | |
518cd6b5 | 483 | "SR-IOV\0" |
4f9ff96a LP |
484 | "Network\0" |
485 | "Address\0" | |
486 | "Neighbor\0" | |
487 | "IPv6AddressLabel\0" | |
488 | "RoutingPolicyRule\0" | |
489 | "Route\0" | |
490 | "NextHop\0" | |
491 | "DHCP\0" /* compat */ | |
492 | "DHCPv4\0" | |
493 | "DHCPv6\0" | |
b209cff2 | 494 | "DHCPv6PrefixDelegation\0" |
4f9ff96a LP |
495 | "DHCPServer\0" |
496 | "IPv6AcceptRA\0" | |
497 | "IPv6NDPProxyAddress\0" | |
498 | "Bridge\0" | |
499 | "BridgeFDB\0" | |
3db468ea | 500 | "BridgeMDB\0" |
4f9ff96a LP |
501 | "BridgeVLAN\0" |
502 | "IPv6PrefixDelegation\0" | |
503 | "IPv6Prefix\0" | |
504 | "IPv6RoutePrefix\0" | |
505 | "LLDP\0" | |
506 | "TrafficControlQueueingDiscipline\0" | |
507 | "CAN\0" | |
508 | "QDisc\0" | |
509 | "BFIFO\0" | |
510 | "CAKE\0" | |
511 | "ControlledDelay\0" | |
512 | "DeficitRoundRobinScheduler\0" | |
513 | "DeficitRoundRobinSchedulerClass\0" | |
d474aa51 | 514 | "EnhancedTransmissionSelection\0" |
4f9ff96a LP |
515 | "FairQueueing\0" |
516 | "FairQueueingControlledDelay\0" | |
8f6b6d70 | 517 | "FlowQueuePIE\0" |
4f9ff96a LP |
518 | "GenericRandomEarlyDetection\0" |
519 | "HeavyHitterFilter\0" | |
520 | "HierarchyTokenBucket\0" | |
521 | "HierarchyTokenBucketClass\0" | |
522 | "NetworkEmulator\0" | |
b12aaee5 SS |
523 | "PFIFO\0" |
524 | "PFIFOFast\0" | |
525 | "PFIFOHeadDrop\0" | |
4f9ff96a | 526 | "PIE\0" |
b12aaee5 | 527 | "QuickFairQueueing\0" |
4d7ddaf9 | 528 | "QuickFairQueueingClass\0" |
4f9ff96a LP |
529 | "StochasticFairBlue\0" |
530 | "StochasticFairnessQueueing\0" | |
531 | "TokenBucketFilter\0" | |
532 | "TrivialLinkEqualizer\0", | |
533 | config_item_perf_lookup, network_network_gperf_lookup, | |
534 | CONFIG_PARSE_WARN, | |
535 | network, | |
536 | &network->timestamp); | |
102bc043 | 537 | if (r < 0) |
f579559b | 538 | return r; |
f579559b | 539 | |
add8d07d | 540 | network_apply_anonymize_if_set(network); |
541 | ||
fa7cd711 YW |
542 | r = network_add_ipv4ll_route(network); |
543 | if (r < 0) | |
544 | log_warning_errno(r, "%s: Failed to add IPv4LL route, ignoring: %m", network->filename); | |
545 | ||
5d5003ab YW |
546 | r = network_add_default_route_on_device(network); |
547 | if (r < 0) | |
548 | log_warning_errno(r, "%s: Failed to add default route on device, ignoring: %m", | |
549 | network->filename); | |
550 | ||
7f06b3e1 YW |
551 | if (network_verify(network) < 0) |
552 | /* Ignore .network files that do not match the conditions. */ | |
553 | return 0; | |
554 | ||
555 | r = ordered_hashmap_ensure_allocated(networks, &string_hash_ops); | |
dbffab87 TG |
556 | if (r < 0) |
557 | return r; | |
558 | ||
7f06b3e1 | 559 | r = ordered_hashmap_put(*networks, network->name, network); |
dbffab87 TG |
560 | if (r < 0) |
561 | return r; | |
562 | ||
f579559b | 563 | network = NULL; |
f579559b TG |
564 | return 0; |
565 | } | |
566 | ||
7f06b3e1 | 567 | int network_load(Manager *manager, OrderedHashmap **networks) { |
477e73b5 ZJS |
568 | _cleanup_strv_free_ char **files = NULL; |
569 | char **f; | |
f579559b TG |
570 | int r; |
571 | ||
572 | assert(manager); | |
573 | ||
7f06b3e1 | 574 | ordered_hashmap_clear_with_destructor(*networks, network_unref); |
f579559b | 575 | |
dc0d4078 | 576 | r = conf_files_list_strv(&files, ".network", NULL, 0, NETWORK_DIRS); |
f647962d MS |
577 | if (r < 0) |
578 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b | 579 | |
715d398e | 580 | STRV_FOREACH(f, files) { |
7f06b3e1 | 581 | r = network_load_one(manager, networks, *f); |
f579559b | 582 | if (r < 0) |
be711082 | 583 | log_error_errno(r, "Failed to load %s, ignoring: %m", *f); |
f579559b TG |
584 | } |
585 | ||
f579559b TG |
586 | return 0; |
587 | } | |
588 | ||
7f06b3e1 YW |
589 | int network_reload(Manager *manager) { |
590 | OrderedHashmap *new_networks = NULL; | |
591 | Network *n, *old; | |
7f06b3e1 YW |
592 | int r; |
593 | ||
594 | assert(manager); | |
595 | ||
596 | r = network_load(manager, &new_networks); | |
597 | if (r < 0) | |
598 | goto failure; | |
599 | ||
90e74a66 | 600 | ORDERED_HASHMAP_FOREACH(n, new_networks) { |
7f06b3e1 YW |
601 | r = network_get_by_name(manager, n->name, &old); |
602 | if (r < 0) | |
603 | continue; /* The .network file is new. */ | |
604 | ||
605 | if (n->timestamp != old->timestamp) | |
606 | continue; /* The .network file is modified. */ | |
607 | ||
608 | if (!streq(n->filename, old->filename)) | |
609 | continue; | |
610 | ||
611 | r = ordered_hashmap_replace(new_networks, old->name, old); | |
612 | if (r < 0) | |
613 | goto failure; | |
614 | ||
615 | network_ref(old); | |
616 | network_unref(n); | |
617 | } | |
618 | ||
619 | ordered_hashmap_free_with_destructor(manager->networks, network_unref); | |
620 | manager->networks = new_networks; | |
621 | ||
622 | return 0; | |
623 | ||
624 | failure: | |
625 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
626 | ||
627 | return r; | |
628 | } | |
629 | ||
35ac3b76 | 630 | static Network *network_free(Network *network) { |
a0e5c15d | 631 | IPv6ProxyNDPAddress *ipv6_proxy_ndp_address; |
95081e08 | 632 | RoutePrefix *route_prefix; |
bce67bbe | 633 | Address *address; |
c16c7808 | 634 | Prefix *prefix; |
bce67bbe | 635 | Route *route; |
f579559b TG |
636 | |
637 | if (!network) | |
35ac3b76 | 638 | return NULL; |
f579559b TG |
639 | |
640 | free(network->filename); | |
641 | ||
e90d0374 | 642 | set_free_free(network->match_mac); |
4bb7cc82 | 643 | set_free_free(network->match_permanent_mac); |
5256e00e TG |
644 | strv_free(network->match_path); |
645 | strv_free(network->match_driver); | |
646 | strv_free(network->match_type); | |
647 | strv_free(network->match_name); | |
44005bfb | 648 | strv_free(network->match_property); |
78404d22 | 649 | strv_free(network->match_wlan_iftype); |
8d968fdd | 650 | strv_free(network->match_ssid); |
277ba8d1 | 651 | set_free_free(network->match_bssid); |
c4f58dea | 652 | condition_free_list(network->conditions); |
f579559b TG |
653 | |
654 | free(network->description); | |
edb85f0d | 655 | free(network->dhcp_vendor_class_identifier); |
7b8d23a9 | 656 | free(network->dhcp_mudurl); |
af1c0de0 | 657 | strv_free(network->dhcp_user_class); |
27cb34f5 | 658 | free(network->dhcp_hostname); |
6b000af4 | 659 | set_free(network->dhcp_deny_listed_ip); |
98ebef62 | 660 | set_free(network->dhcp_allow_listed_ip); |
5bc945be | 661 | set_free(network->dhcp_request_options); |
35f6a5cb | 662 | set_free(network->dhcp6_request_options); |
c106cc36 | 663 | free(network->mac); |
3175a8c2 | 664 | free(network->dhcp6_mudurl); |
f37f2a6b | 665 | strv_free(network->dhcp6_user_class); |
ed0d1b2e | 666 | strv_free(network->dhcp6_vendor_class); |
c106cc36 | 667 | |
0f3ff4ea SS |
668 | if (network->dhcp_acd) |
669 | sd_ipv4acd_unref(network->dhcp_acd); | |
670 | ||
b0e39c82 | 671 | strv_free(network->ntp); |
e77bd3fd YW |
672 | for (unsigned i = 0; i < network->n_dns; i++) |
673 | in_addr_full_free(network->dns[i]); | |
5512a963 | 674 | free(network->dns); |
5e2a51d5 ZJS |
675 | ordered_set_free_free(network->search_domains); |
676 | ordered_set_free_free(network->route_domains); | |
0d4ad91d | 677 | strv_free(network->bind_carrier); |
cdd7812b | 678 | |
5e2a51d5 | 679 | ordered_set_free_free(network->router_search_domains); |
cdd7812b | 680 | free(network->router_dns); |
6b000af4 | 681 | set_free_free(network->ndisc_deny_listed_prefix); |
3bef724f | 682 | |
cebe1257 YW |
683 | free(network->bridge_name); |
684 | free(network->bond_name); | |
685 | free(network->vrf_name); | |
686 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 687 | netdev_unref(network->bridge); |
47e2dc31 | 688 | netdev_unref(network->bond); |
6cb955c6 | 689 | netdev_unref(network->vrf); |
fa6f1e54 | 690 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 691 | |
f048a16b | 692 | while ((route = network->static_routes)) |
f579559b TG |
693 | route_free(route); |
694 | ||
f048a16b | 695 | while ((address = network->static_addresses)) |
f579559b TG |
696 | address_free(address); |
697 | ||
a0e5c15d FK |
698 | while ((ipv6_proxy_ndp_address = network->ipv6_proxy_ndp_addresses)) |
699 | ipv6_proxy_ndp_address_free(ipv6_proxy_ndp_address); | |
700 | ||
057abfd8 PF |
701 | while ((prefix = network->static_prefixes)) |
702 | prefix_free(prefix); | |
703 | ||
95081e08 YW |
704 | while ((route_prefix = network->static_route_prefixes)) |
705 | route_prefix_free(route_prefix); | |
9be6ae77 | 706 | |
6ae115c1 TG |
707 | hashmap_free(network->addresses_by_section); |
708 | hashmap_free(network->routes_by_section); | |
b82663dd | 709 | hashmap_free_with_destructor(network->nexthops_by_section, nexthop_free); |
62ed9442 | 710 | hashmap_free_with_destructor(network->fdb_entries_by_section, fdb_entry_free); |
03c9738e | 711 | hashmap_free_with_destructor(network->mdb_entries_by_section, mdb_entry_free); |
b0ba6938 | 712 | hashmap_free_with_destructor(network->neighbors_by_section, neighbor_free); |
d6a2a0f9 | 713 | hashmap_free_with_destructor(network->address_labels_by_section, address_label_free); |
057abfd8 | 714 | hashmap_free(network->prefixes_by_section); |
9be6ae77 | 715 | hashmap_free(network->route_prefixes_by_section); |
ca183bf8 | 716 | hashmap_free_with_destructor(network->rules_by_section, routing_policy_rule_free); |
518cd6b5 | 717 | ordered_hashmap_free_with_destructor(network->sr_iov_by_section, sr_iov_free); |
34658df2 | 718 | ordered_hashmap_free_with_destructor(network->tc_by_section, traffic_control_free); |
6ae115c1 | 719 | |
7f06b3e1 YW |
720 | if (network->manager && |
721 | network->manager->duids_requesting_uuid) | |
722 | set_remove(network->manager->duids_requesting_uuid, &network->duid); | |
dbffab87 TG |
723 | |
724 | free(network->name); | |
f579559b | 725 | |
8eb9058d | 726 | free(network->dhcp_server_timezone); |
2a71d57f LP |
727 | |
728 | for (sd_dhcp_lease_server_type t = 0; t < _SD_DHCP_LEASE_SERVER_TYPE_MAX; t++) | |
729 | free(network->dhcp_server_emit[t].addresses); | |
8eb9058d | 730 | |
8a516214 LP |
731 | set_free_free(network->dnssec_negative_trust_anchors); |
732 | ||
e9a8c550 SS |
733 | free(network->lldp_mud); |
734 | ||
0e96961d | 735 | ordered_hashmap_free(network->dhcp_client_send_options); |
7354900d | 736 | ordered_hashmap_free(network->dhcp_client_send_vendor_options); |
0e96961d | 737 | ordered_hashmap_free(network->dhcp_server_send_options); |
7354900d | 738 | ordered_hashmap_free(network->dhcp_server_send_vendor_options); |
2c621495 | 739 | ordered_set_free(network->ipv6_tokens); |
1c3ec1cd | 740 | ordered_hashmap_free(network->dhcp6_client_send_options); |
b4ccc5de | 741 | ordered_hashmap_free(network->dhcp6_client_send_vendor_options); |
cb29c156 | 742 | |
35ac3b76 | 743 | return mfree(network); |
f579559b TG |
744 | } |
745 | ||
35ac3b76 YW |
746 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
747 | ||
dbffab87 TG |
748 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
749 | Network *network; | |
750 | ||
751 | assert(manager); | |
752 | assert(name); | |
753 | assert(ret); | |
754 | ||
715d398e | 755 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
756 | if (!network) |
757 | return -ENOENT; | |
758 | ||
759 | *ret = network; | |
760 | ||
761 | return 0; | |
762 | } | |
763 | ||
ef62949a | 764 | int network_get(Manager *manager, unsigned short iftype, sd_device *device, |
c643bda5 YW |
765 | const char *ifname, char * const *alternative_names, const char *driver, |
766 | const struct ether_addr *mac, const struct ether_addr *permanent_mac, | |
78404d22 YW |
767 | enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, |
768 | Network **ret) { | |
51517f9e | 769 | Network *network; |
f579559b TG |
770 | |
771 | assert(manager); | |
f579559b | 772 | assert(ret); |
af3aa302 | 773 | |
90e74a66 | 774 | ORDERED_HASHMAP_FOREACH(network, manager->networks) |
4bb7cc82 YW |
775 | if (net_match_config(network->match_mac, network->match_permanent_mac, |
776 | network->match_path, network->match_driver, | |
44005bfb | 777 | network->match_type, network->match_name, network->match_property, |
78404d22 | 778 | network->match_wlan_iftype, network->match_ssid, network->match_bssid, |
c643bda5 | 779 | device, mac, permanent_mac, driver, iftype, |
4bb7cc82 | 780 | ifname, alternative_names, wlan_iftype, ssid, bssid)) { |
24c083df | 781 | if (network->match_name && device) { |
ca6038b8 TG |
782 | const char *attr; |
783 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
784 | ||
51517f9e | 785 | if (sd_device_get_sysattr_value(device, "name_assign_type", &attr) >= 0) |
dc751688 | 786 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
787 | |
788 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
789 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
790 | ifname, network->filename); | |
32bc8adc | 791 | else |
a2fae7bb | 792 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 793 | } else |
a2fae7bb | 794 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 795 | |
f579559b TG |
796 | *ret = network; |
797 | return 0; | |
798 | } | |
f579559b TG |
799 | |
800 | *ret = NULL; | |
801 | ||
802 | return -ENOENT; | |
803 | } | |
804 | ||
7d342c03 | 805 | int network_apply(Network *network, Link *link) { |
c4a03a56 TG |
806 | assert(network); |
807 | assert(link); | |
808 | ||
c9c908a6 | 809 | link->network = network_ref(network); |
f579559b | 810 | |
5512a963 | 811 | if (network->n_dns > 0 || |
3df9bec5 | 812 | !strv_isempty(network->ntp) || |
5e2a51d5 ZJS |
813 | !ordered_set_isempty(network->search_domains) || |
814 | !ordered_set_isempty(network->route_domains)) | |
84de38c5 | 815 | link_dirty(link); |
3bef724f | 816 | |
f579559b TG |
817 | return 0; |
818 | } | |
02b59d57 | 819 | |
adfeee49 | 820 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 821 | Address *address; |
adfeee49 YW |
822 | Route *route; |
823 | FdbEntry *fdb; | |
3db468ea | 824 | MdbEntry *mdb; |
adfeee49 | 825 | Neighbor *neighbor; |
439689c6 SS |
826 | |
827 | assert(network); | |
828 | ||
adfeee49 | 829 | LIST_FOREACH(addresses, address, network->static_addresses) |
439689c6 SS |
830 | if (address->family == AF_INET6) |
831 | return true; | |
adfeee49 YW |
832 | |
833 | LIST_FOREACH(routes, route, network->static_routes) | |
834 | if (route->family == AF_INET6) | |
835 | return true; | |
836 | ||
62ed9442 | 837 | HASHMAP_FOREACH(fdb, network->fdb_entries_by_section) |
adfeee49 YW |
838 | if (fdb->family == AF_INET6) |
839 | return true; | |
840 | ||
03c9738e | 841 | HASHMAP_FOREACH(mdb, network->mdb_entries_by_section) |
3db468ea DM |
842 | if (mdb->family == AF_INET6) |
843 | return true; | |
844 | ||
b0ba6938 | 845 | HASHMAP_FOREACH(neighbor, network->neighbors_by_section) |
adfeee49 YW |
846 | if (neighbor->family == AF_INET6) |
847 | return true; | |
848 | ||
d6a2a0f9 | 849 | if (!hashmap_isempty(network->address_labels_by_section)) |
adfeee49 YW |
850 | return true; |
851 | ||
852 | if (!LIST_IS_EMPTY(network->static_prefixes)) | |
853 | return true; | |
439689c6 SS |
854 | |
855 | return false; | |
856 | } | |
857 | ||
cebe1257 | 858 | int config_parse_stacked_netdev(const char *unit, |
02b59d57 TG |
859 | const char *filename, |
860 | unsigned line, | |
861 | const char *section, | |
862 | unsigned section_line, | |
863 | const char *lvalue, | |
864 | int ltype, | |
865 | const char *rvalue, | |
866 | void *data, | |
867 | void *userdata) { | |
95dba435 YW |
868 | _cleanup_free_ char *name = NULL; |
869 | NetDevKind kind = ltype; | |
cebe1257 | 870 | Hashmap **h = data; |
02b59d57 TG |
871 | int r; |
872 | ||
873 | assert(filename); | |
874 | assert(lvalue); | |
875 | assert(rvalue); | |
876 | assert(data); | |
95dba435 YW |
877 | assert(IN_SET(kind, |
878 | NETDEV_KIND_VLAN, NETDEV_KIND_MACVLAN, NETDEV_KIND_MACVTAP, | |
69c317a0 | 879 | NETDEV_KIND_IPVLAN, NETDEV_KIND_IPVTAP, NETDEV_KIND_VXLAN, |
98d20a17 | 880 | NETDEV_KIND_L2TP, NETDEV_KIND_MACSEC, _NETDEV_KIND_TUNNEL, |
881 | NETDEV_KIND_XFRM)); | |
54abf461 | 882 | |
cebe1257 | 883 | if (!ifname_valid(rvalue)) { |
d96edb2c | 884 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3772cfde | 885 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
886 | return 0; |
887 | } | |
888 | ||
cebe1257 YW |
889 | name = strdup(rvalue); |
890 | if (!name) | |
891 | return log_oom(); | |
3e570042 | 892 | |
cebe1257 YW |
893 | r = hashmap_ensure_allocated(h, &string_hash_ops); |
894 | if (r < 0) | |
895 | return log_oom(); | |
326cb406 | 896 | |
cebe1257 | 897 | r = hashmap_put(*h, name, INT_TO_PTR(kind)); |
83ec4592 | 898 | if (r < 0) |
d96edb2c | 899 | log_syntax(unit, LOG_WARNING, filename, line, r, |
83ec4592 ZJS |
900 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
901 | else if (r == 0) | |
902 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
903 | "NetDev '%s' specified twice, ignoring.", name); | |
904 | else | |
905 | name = NULL; | |
47e2dc31 | 906 | |
fe6b2d55 TG |
907 | return 0; |
908 | } | |
7951dea2 | 909 | |
3df9bec5 LP |
910 | int config_parse_domains( |
911 | const char *unit, | |
912 | const char *filename, | |
913 | unsigned line, | |
914 | const char *section, | |
915 | unsigned section_line, | |
916 | const char *lvalue, | |
917 | int ltype, | |
918 | const char *rvalue, | |
919 | void *data, | |
920 | void *userdata) { | |
921 | ||
3df9bec5 | 922 | Network *n = data; |
6192b846 TG |
923 | int r; |
924 | ||
3df9bec5 LP |
925 | assert(n); |
926 | assert(lvalue); | |
927 | assert(rvalue); | |
6192b846 | 928 | |
3df9bec5 | 929 | if (isempty(rvalue)) { |
5e2a51d5 ZJS |
930 | n->search_domains = ordered_set_free_free(n->search_domains); |
931 | n->route_domains = ordered_set_free_free(n->route_domains); | |
3df9bec5 LP |
932 | return 0; |
933 | } | |
67272d15 | 934 | |
d96edb2c | 935 | for (const char *p = rvalue;;) { |
3df9bec5 LP |
936 | _cleanup_free_ char *w = NULL, *normalized = NULL; |
937 | const char *domain; | |
938 | bool is_route; | |
939 | ||
940 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
941 | if (r == -ENOMEM) |
942 | return log_oom(); | |
3df9bec5 | 943 | if (r < 0) { |
d96edb2c | 944 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 945 | "Failed to extract search or route domain, ignoring: %s", rvalue); |
d96edb2c | 946 | return 0; |
3df9bec5 LP |
947 | } |
948 | if (r == 0) | |
d96edb2c | 949 | return 0; |
3df9bec5 LP |
950 | |
951 | is_route = w[0] == '~'; | |
952 | domain = is_route ? w + 1 : w; | |
953 | ||
954 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
955 | /* If the root domain appears as is, or the special token "*" is found, we'll |
956 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 957 | is_route = true; |
ab24039f ZJS |
958 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
959 | * domain as "." */ | |
3df9bec5 | 960 | } else { |
7470cc4c | 961 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 962 | if (r < 0) { |
d96edb2c | 963 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 964 | "'%s' is not a valid domain name, ignoring.", domain); |
3df9bec5 LP |
965 | continue; |
966 | } | |
967 | ||
968 | domain = normalized; | |
969 | ||
970 | if (is_localhost(domain)) { | |
d96edb2c | 971 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f ZJS |
972 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", |
973 | domain); | |
37de2509 | 974 | continue; |
3df9bec5 | 975 | } |
37de2509 | 976 | } |
40274ed6 | 977 | |
5e2a51d5 ZJS |
978 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
979 | r = ordered_set_ensure_allocated(set, &string_hash_ops); | |
980 | if (r < 0) | |
d96edb2c | 981 | return log_oom(); |
5e2a51d5 ZJS |
982 | |
983 | r = ordered_set_put_strdup(*set, domain); | |
09451975 LP |
984 | if (r < 0) |
985 | return log_oom(); | |
40274ed6 | 986 | } |
6192b846 TG |
987 | } |
988 | ||
60c35566 | 989 | int config_parse_ipv6token( |
7f77697a TG |
990 | const char* unit, |
991 | const char *filename, | |
992 | unsigned line, | |
993 | const char *section, | |
994 | unsigned section_line, | |
995 | const char *lvalue, | |
996 | int ltype, | |
997 | const char *rvalue, | |
998 | void *data, | |
999 | void *userdata) { | |
1000 | ||
1001 | union in_addr_union buffer; | |
1002 | struct in6_addr *token = data; | |
1003 | int r; | |
1004 | ||
1005 | assert(filename); | |
1006 | assert(lvalue); | |
1007 | assert(rvalue); | |
1008 | assert(token); | |
1009 | ||
1010 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
1011 | if (r < 0) { | |
d96edb2c | 1012 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1013 | "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
1014 | return 0; |
1015 | } | |
1016 | ||
c606db69 | 1017 | if (in_addr_is_null(AF_INET6, &buffer)) { |
d96edb2c | 1018 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1019 | "IPv6 token cannot be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
1020 | return 0; |
1021 | } | |
1022 | ||
1023 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
d96edb2c | 1024 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1025 | "IPv6 token cannot be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
1026 | return 0; |
1027 | } | |
1028 | ||
1029 | *token = buffer.in6; | |
1030 | ||
1031 | return 0; | |
1032 | } | |
8add5f79 | 1033 | |
49092e22 | 1034 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
1035 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
1036 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
1037 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
1038 | }; |
1039 | ||
b146ad71 YW |
1040 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(ipv6_privacy_extensions, IPv6PrivacyExtensions, |
1041 | IPV6_PRIVACY_EXTENSIONS_YES); | |
49092e22 SS |
1042 | |
1043 | int config_parse_ipv6_privacy_extensions( | |
1044 | const char* unit, | |
1045 | const char *filename, | |
1046 | unsigned line, | |
1047 | const char *section, | |
1048 | unsigned section_line, | |
1049 | const char *lvalue, | |
1050 | int ltype, | |
1051 | const char *rvalue, | |
1052 | void *data, | |
1053 | void *userdata) { | |
1054 | ||
b146ad71 | 1055 | IPv6PrivacyExtensions s, *ipv6_privacy_extensions = data; |
49092e22 SS |
1056 | |
1057 | assert(filename); | |
1058 | assert(lvalue); | |
1059 | assert(rvalue); | |
1060 | assert(ipv6_privacy_extensions); | |
1061 | ||
b146ad71 YW |
1062 | s = ipv6_privacy_extensions_from_string(rvalue); |
1063 | if (s < 0) { | |
1064 | if (streq(rvalue, "kernel")) | |
1065 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
1066 | else { | |
d96edb2c | 1067 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
b146ad71 YW |
1068 | "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1069 | return 0; | |
49092e22 | 1070 | } |
49092e22 SS |
1071 | } |
1072 | ||
b146ad71 YW |
1073 | *ipv6_privacy_extensions = s; |
1074 | ||
49092e22 SS |
1075 | return 0; |
1076 | } | |
a7d0ef44 | 1077 | |
1ac608c9 LP |
1078 | int config_parse_hostname( |
1079 | const char *unit, | |
1080 | const char *filename, | |
1081 | unsigned line, | |
1082 | const char *section, | |
1083 | unsigned section_line, | |
1084 | const char *lvalue, | |
1085 | int ltype, | |
1086 | const char *rvalue, | |
1087 | void *data, | |
1088 | void *userdata) { | |
1089 | ||
6528693a YW |
1090 | _cleanup_free_ char *hn = NULL; |
1091 | char **hostname = data; | |
a7d0ef44 SS |
1092 | int r; |
1093 | ||
1094 | assert(filename); | |
1095 | assert(lvalue); | |
1096 | assert(rvalue); | |
1097 | ||
1ac608c9 | 1098 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
1099 | if (r < 0) |
1100 | return r; | |
1101 | ||
1ac608c9 | 1102 | if (!hostname_is_valid(hn, false)) { |
d96edb2c | 1103 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1104 | "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
1105 | return 0; |
1106 | } | |
1107 | ||
6528693a YW |
1108 | r = dns_name_is_valid(hn); |
1109 | if (r < 0) { | |
d96edb2c | 1110 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1111 | "Failed to check validity of hostname '%s', ignoring assignment: %m", rvalue); |
6528693a YW |
1112 | return 0; |
1113 | } | |
1114 | if (r == 0) { | |
d96edb2c | 1115 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1116 | "Hostname is not a valid DNS domain name, ignoring assignment: %s", rvalue); |
6528693a YW |
1117 | return 0; |
1118 | } | |
1119 | ||
1120 | return free_and_replace(*hostname, hn); | |
a7d0ef44 | 1121 | } |
8eb9058d LP |
1122 | |
1123 | int config_parse_timezone( | |
1124 | const char *unit, | |
1125 | const char *filename, | |
1126 | unsigned line, | |
1127 | const char *section, | |
1128 | unsigned section_line, | |
1129 | const char *lvalue, | |
1130 | int ltype, | |
1131 | const char *rvalue, | |
1132 | void *data, | |
1133 | void *userdata) { | |
1134 | ||
19f9e4e2 YW |
1135 | _cleanup_free_ char *tz = NULL; |
1136 | char **datap = data; | |
8eb9058d LP |
1137 | int r; |
1138 | ||
1139 | assert(filename); | |
1140 | assert(lvalue); | |
1141 | assert(rvalue); | |
1142 | ||
1143 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1144 | if (r < 0) | |
1145 | return r; | |
1146 | ||
d96edb2c YW |
1147 | if (!timezone_is_valid(tz, LOG_WARNING)) { |
1148 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
ab24039f | 1149 | "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1150 | return 0; |
1151 | } | |
1152 | ||
19f9e4e2 | 1153 | return free_and_replace(*datap, tz); |
8eb9058d | 1154 | } |
1a04db0f | 1155 | |
53253824 SS |
1156 | int config_parse_dns( |
1157 | const char *unit, | |
1158 | const char *filename, | |
1159 | unsigned line, | |
1160 | const char *section, | |
1161 | unsigned section_line, | |
1162 | const char *lvalue, | |
1163 | int ltype, | |
1164 | const char *rvalue, | |
1165 | void *data, | |
1166 | void *userdata) { | |
1167 | ||
1168 | Network *n = userdata; | |
1169 | int r; | |
1170 | ||
1171 | assert(filename); | |
1172 | assert(lvalue); | |
1173 | assert(rvalue); | |
1174 | ||
d96edb2c | 1175 | if (isempty(rvalue)) { |
e77bd3fd YW |
1176 | for (unsigned i = 0; i < n->n_dns; i++) |
1177 | in_addr_full_free(n->dns[i]); | |
d96edb2c YW |
1178 | n->dns = mfree(n->dns); |
1179 | n->n_dns = 0; | |
1180 | return 0; | |
1181 | } | |
1182 | ||
1183 | for (const char *p = rvalue;;) { | |
e77bd3fd | 1184 | _cleanup_(in_addr_full_freep) struct in_addr_full *dns = NULL; |
53253824 | 1185 | _cleanup_free_ char *w = NULL; |
e77bd3fd | 1186 | struct in_addr_full **m; |
53253824 | 1187 | |
d96edb2c | 1188 | r = extract_first_word(&p, &w, NULL, 0); |
53253824 SS |
1189 | if (r == -ENOMEM) |
1190 | return log_oom(); | |
1191 | if (r < 0) { | |
d96edb2c | 1192 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1193 | "Invalid syntax, ignoring: %s", rvalue); |
d96edb2c | 1194 | return 0; |
53253824 | 1195 | } |
5512a963 | 1196 | if (r == 0) |
d96edb2c | 1197 | return 0; |
53253824 | 1198 | |
e77bd3fd | 1199 | r = in_addr_full_new_from_string(w, &dns); |
53253824 | 1200 | if (r < 0) { |
d96edb2c | 1201 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1202 | "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1203 | continue; |
1204 | } | |
1205 | ||
e77bd3fd YW |
1206 | if (IN_SET(dns->port, 53, 853)) |
1207 | dns->port = 0; | |
1208 | ||
1209 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_full*)); | |
5512a963 | 1210 | if (!m) |
53253824 SS |
1211 | return log_oom(); |
1212 | ||
e77bd3fd | 1213 | m[n->n_dns++] = TAKE_PTR(dns); |
5512a963 | 1214 | n->dns = m; |
53253824 | 1215 | } |
53253824 SS |
1216 | } |
1217 | ||
8a516214 LP |
1218 | int config_parse_dnssec_negative_trust_anchors( |
1219 | const char *unit, | |
1220 | const char *filename, | |
1221 | unsigned line, | |
1222 | const char *section, | |
1223 | unsigned section_line, | |
1224 | const char *lvalue, | |
1225 | int ltype, | |
1226 | const char *rvalue, | |
1227 | void *data, | |
1228 | void *userdata) { | |
1229 | ||
8a516214 LP |
1230 | Network *n = data; |
1231 | int r; | |
1232 | ||
3df9bec5 | 1233 | assert(n); |
8a516214 LP |
1234 | assert(lvalue); |
1235 | assert(rvalue); | |
1236 | ||
1237 | if (isempty(rvalue)) { | |
1238 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1239 | return 0; | |
1240 | } | |
1241 | ||
d96edb2c | 1242 | for (const char *p = rvalue;;) { |
8a516214 LP |
1243 | _cleanup_free_ char *w = NULL; |
1244 | ||
1245 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
1246 | if (r == -ENOMEM) |
1247 | return log_oom(); | |
8a516214 | 1248 | if (r < 0) { |
d96edb2c | 1249 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1250 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); |
d96edb2c | 1251 | return 0; |
8a516214 LP |
1252 | } |
1253 | if (r == 0) | |
d96edb2c | 1254 | return 0; |
8a516214 LP |
1255 | |
1256 | r = dns_name_is_valid(w); | |
1257 | if (r <= 0) { | |
d96edb2c | 1258 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1259 | "%s is not a valid domain name, ignoring.", w); |
8a516214 LP |
1260 | continue; |
1261 | } | |
1262 | ||
35e601d4 | 1263 | r = set_ensure_consume(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops, TAKE_PTR(w)); |
8a516214 LP |
1264 | if (r < 0) |
1265 | return log_oom(); | |
8a516214 | 1266 | } |
8a516214 | 1267 | } |
b2a81c0b | 1268 | |
26575990 LP |
1269 | int config_parse_ntp( |
1270 | const char *unit, | |
1271 | const char *filename, | |
1272 | unsigned line, | |
1273 | const char *section, | |
1274 | unsigned section_line, | |
1275 | const char *lvalue, | |
1276 | int ltype, | |
1277 | const char *rvalue, | |
1278 | void *data, | |
1279 | void *userdata) { | |
1280 | ||
1281 | char ***l = data; | |
1282 | int r; | |
1283 | ||
1284 | assert(l); | |
1285 | assert(lvalue); | |
1286 | assert(rvalue); | |
1287 | ||
1288 | if (isempty(rvalue)) { | |
1289 | *l = strv_free(*l); | |
1290 | return 0; | |
1291 | } | |
1292 | ||
d96edb2c | 1293 | for (const char *p = rvalue;;) { |
26575990 LP |
1294 | _cleanup_free_ char *w = NULL; |
1295 | ||
d96edb2c | 1296 | r = extract_first_word(&p, &w, NULL, 0); |
26575990 LP |
1297 | if (r == -ENOMEM) |
1298 | return log_oom(); | |
1299 | if (r < 0) { | |
d96edb2c | 1300 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1301 | "Failed to extract NTP server name, ignoring: %s", rvalue); |
d96edb2c | 1302 | return 0; |
26575990 LP |
1303 | } |
1304 | if (r == 0) | |
d96edb2c | 1305 | return 0; |
26575990 LP |
1306 | |
1307 | r = dns_name_is_valid_or_address(w); | |
1308 | if (r <= 0) { | |
d96edb2c | 1309 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1310 | "%s is not a valid domain name or IP address, ignoring.", w); |
26575990 | 1311 | continue; |
af1c0de0 SS |
1312 | } |
1313 | ||
c448459d ZJS |
1314 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1315 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1316 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1317 | MAX_NTP_SERVERS, w); | |
d96edb2c | 1318 | return 0; |
c448459d ZJS |
1319 | } |
1320 | ||
1321 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1322 | if (r < 0) |
1323 | return log_oom(); | |
af1c0de0 | 1324 | } |
af1c0de0 SS |
1325 | } |
1326 | ||
4ac77d63 YW |
1327 | int config_parse_required_for_online( |
1328 | const char *unit, | |
1329 | const char *filename, | |
1330 | unsigned line, | |
1331 | const char *section, | |
1332 | unsigned section_line, | |
1333 | const char *lvalue, | |
1334 | int ltype, | |
1335 | const char *rvalue, | |
1336 | void *data, | |
1337 | void *userdata) { | |
1338 | ||
1339 | Network *network = data; | |
75cd4a5d | 1340 | LinkOperationalStateRange range; |
4ac77d63 YW |
1341 | bool required = true; |
1342 | int r; | |
1343 | ||
1344 | if (isempty(rvalue)) { | |
1345 | network->required_for_online = true; | |
75cd4a5d | 1346 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1347 | return 0; |
1348 | } | |
1349 | ||
75cd4a5d DDM |
1350 | r = parse_operational_state_range(rvalue, &range); |
1351 | if (r < 0) { | |
4ac77d63 YW |
1352 | r = parse_boolean(rvalue); |
1353 | if (r < 0) { | |
d96edb2c | 1354 | log_syntax(unit, LOG_WARNING, filename, line, r, |
4ac77d63 YW |
1355 | "Failed to parse %s= setting, ignoring assignment: %s", |
1356 | lvalue, rvalue); | |
1357 | return 0; | |
1358 | } | |
1359 | ||
1360 | required = r; | |
75cd4a5d | 1361 | range = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1362 | } |
1363 | ||
1364 | network->required_for_online = required; | |
75cd4a5d | 1365 | network->required_operstate_for_online = range; |
4ac77d63 YW |
1366 | |
1367 | return 0; | |
1368 | } | |
7da377ef SS |
1369 | |
1370 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, | |
1371 | "Failed to parse KeepConfiguration= setting"); | |
1372 | ||
1373 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1374 | [KEEP_CONFIGURATION_NO] = "no", |
1375 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1376 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1377 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1378 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1379 | }; |
1380 | ||
1381 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); | |
6f6296b9 YW |
1382 | |
1383 | static const char* const ipv6_link_local_address_gen_mode_table[_IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX] = { | |
1384 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64] = "eui64", | |
1385 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE] = "none", | |
1386 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY] = "stable-privacy", | |
1387 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_RANDOM] = "random", | |
1388 | }; | |
1389 | ||
1390 | DEFINE_STRING_TABLE_LOOKUP(ipv6_link_local_address_gen_mode, IPv6LinkLocalAddressGenMode); | |
1391 | 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"); |