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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
f579559b TG |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
69a93e7d | 21 | #include <ctype.h> |
987efa17 | 22 | #include <net/if.h> |
69a93e7d | 23 | |
b5efdb8a | 24 | #include "alloc-util.h" |
f579559b TG |
25 | #include "conf-files.h" |
26 | #include "conf-parser.h" | |
37de2509 | 27 | #include "dns-domain.h" |
3ffd4af2 | 28 | #include "fd-util.h" |
07630cea | 29 | #include "hostname-util.h" |
88295a05 | 30 | #include "in-addr-util.h" |
fc2f9534 | 31 | #include "network-internal.h" |
23f53b99 | 32 | #include "networkd-manager.h" |
3ffd4af2 | 33 | #include "networkd-network.h" |
6bedfcbb | 34 | #include "parse-util.h" |
8a516214 | 35 | #include "set.h" |
8fcde012 | 36 | #include "stat-util.h" |
8b43440b | 37 | #include "string-table.h" |
07630cea | 38 | #include "string-util.h" |
700f1186 | 39 | #include "strv.h" |
07630cea | 40 | #include "util.h" |
f579559b | 41 | |
f4859fc7 SS |
42 | static void network_config_hash_func(const void *p, struct siphash *state) { |
43 | const NetworkConfigSection *c = p; | |
44 | ||
45 | siphash24_compress(c->filename, strlen(c->filename), state); | |
46 | siphash24_compress(&c->line, sizeof(c->line), state); | |
47 | } | |
48 | ||
49 | static int network_config_compare_func(const void *a, const void *b) { | |
50 | const NetworkConfigSection *x = a, *y = b; | |
51 | int r; | |
52 | ||
53 | r = strcmp(x->filename, y->filename); | |
54 | if (r != 0) | |
55 | return r; | |
56 | ||
57 | return y->line - x->line; | |
58 | } | |
59 | ||
60 | const struct hash_ops network_config_hash_ops = { | |
61 | .hash = network_config_hash_func, | |
62 | .compare = network_config_compare_func, | |
63 | }; | |
64 | ||
65 | int network_config_section_new(const char *filename, unsigned line, NetworkConfigSection **s) { | |
66 | NetworkConfigSection *cs; | |
67 | ||
68 | cs = malloc0(offsetof(NetworkConfigSection, filename) + strlen(filename) + 1); | |
69 | if (!cs) | |
70 | return -ENOMEM; | |
71 | ||
72 | strcpy(cs->filename, filename); | |
73 | cs->line = line; | |
74 | ||
75 | *s = cs; | |
76 | cs = NULL; | |
77 | ||
78 | return 0; | |
79 | } | |
80 | ||
81 | void network_config_section_free(NetworkConfigSection *cs) { | |
bce67bbe | 82 | free(cs); |
f4859fc7 SS |
83 | } |
84 | ||
add8d07d | 85 | /* Set defaults following RFC7844 */ |
86 | void network_apply_anonymize_if_set(Network *network) { | |
87 | if (!network->dhcp_anonymize) | |
88 | return; | |
89 | /* RFC7844 3.7 | |
90 | SHOULD NOT send the Host Name option */ | |
91 | network->dhcp_send_hostname = false; | |
92 | /* RFC7844 section 3.: | |
93 | MAY contain the Client Identifier option | |
94 | Section 3.5: | |
95 | clients MUST use client identifiers based solely | |
96 | on the link-layer address */ | |
97 | /* NOTE: Using MAC, as it does not reveal extra information, | |
98 | * and some servers might not answer if this option is not sent */ | |
99 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
100 | /* RFC 7844 3.10: | |
101 | SHOULD NOT use the Vendor Class Identifier option */ | |
102 | /* NOTE: it was not initiallized to any value in network_load_one. */ | |
103 | network->dhcp_vendor_class_identifier = false; | |
104 | /* RFC7844 section 3.6.: | |
105 | The client intending to protect its privacy SHOULD only request a | |
106 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
107 | the ordering of option codes in the PRL. If this random ordering | |
108 | cannot be implemented, the client MAY order the option codes in the | |
109 | PRL by option code number (lowest to highest). | |
110 | */ | |
111 | /* NOTE: dhcp_use_mtu is false by default, | |
112 | * though it was not initiallized to any value in network_load_one. | |
113 | * Maybe there should be another var called *send*? | |
114 | * (to use the MTU sent by the server but to do not send | |
115 | * the option in the PRL). */ | |
116 | network->dhcp_use_mtu = false; | |
28522b0d | 117 | /* NOTE: when Anonymize=yes, the PRL route options are sent by default, |
118 | * but this is needed to use them. */ | |
119 | network->dhcp_use_routes = true; | |
add8d07d | 120 | /* RFC7844 section 3.6. |
121 | * same comments as previous option */ | |
122 | network->dhcp_use_timezone = false; | |
123 | } | |
124 | ||
f579559b TG |
125 | static int network_load_one(Manager *manager, const char *filename) { |
126 | _cleanup_network_free_ Network *network = NULL; | |
127 | _cleanup_fclose_ FILE *file = NULL; | |
dbffab87 | 128 | char *d; |
047a0dac | 129 | const char *dropin_dirname; |
b3070dc0 TG |
130 | Route *route; |
131 | Address *address; | |
f579559b TG |
132 | int r; |
133 | ||
bf1bc670 TA |
134 | assert(manager); |
135 | assert(filename); | |
136 | ||
f579559b TG |
137 | file = fopen(filename, "re"); |
138 | if (!file) { | |
139 | if (errno == ENOENT) | |
140 | return 0; | |
1e7a0e21 LP |
141 | |
142 | return -errno; | |
f579559b TG |
143 | } |
144 | ||
ed88bcfb ZJS |
145 | if (null_or_empty_fd(fileno(file))) { |
146 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
147 | return 0; |
148 | } | |
149 | ||
f579559b TG |
150 | network = new0(Network, 1); |
151 | if (!network) | |
152 | return log_oom(); | |
153 | ||
5a3eb5a7 TG |
154 | network->manager = manager; |
155 | ||
f048a16b TG |
156 | LIST_HEAD_INIT(network->static_addresses); |
157 | LIST_HEAD_INIT(network->static_routes); | |
b98b483b | 158 | LIST_HEAD_INIT(network->static_fdb_entries); |
a0e5c15d | 159 | LIST_HEAD_INIT(network->ipv6_proxy_ndp_addresses); |
95b74ef6 | 160 | LIST_HEAD_INIT(network->address_labels); |
057abfd8 | 161 | LIST_HEAD_INIT(network->static_prefixes); |
bce67bbe | 162 | LIST_HEAD_INIT(network->rules); |
f579559b | 163 | |
d5099efc | 164 | network->stacked_netdevs = hashmap_new(&string_hash_ops); |
6a0a2f86 | 165 | if (!network->stacked_netdevs) |
326cb406 SS |
166 | return log_oom(); |
167 | ||
f4859fc7 | 168 | network->addresses_by_section = hashmap_new(&network_config_hash_ops); |
6ae115c1 TG |
169 | if (!network->addresses_by_section) |
170 | return log_oom(); | |
171 | ||
f4859fc7 | 172 | network->routes_by_section = hashmap_new(&network_config_hash_ops); |
6ae115c1 TG |
173 | if (!network->routes_by_section) |
174 | return log_oom(); | |
175 | ||
b98b483b AR |
176 | network->fdb_entries_by_section = hashmap_new(NULL); |
177 | if (!network->fdb_entries_by_section) | |
178 | return log_oom(); | |
179 | ||
95b74ef6 SS |
180 | network->address_labels_by_section = hashmap_new(&network_config_hash_ops); |
181 | if (!network->address_labels_by_section) | |
057abfd8 PF |
182 | log_oom(); |
183 | ||
184 | network->prefixes_by_section = hashmap_new(&network_config_hash_ops); | |
185 | if (!network->prefixes_by_section) | |
95b74ef6 SS |
186 | return log_oom(); |
187 | ||
bce67bbe SS |
188 | network->rules_by_section = hashmap_new(&network_config_hash_ops); |
189 | if (!network->rules_by_section) | |
190 | return log_oom(); | |
191 | ||
6ae115c1 TG |
192 | network->filename = strdup(filename); |
193 | if (!network->filename) | |
194 | return log_oom(); | |
195 | ||
dbffab87 TG |
196 | network->name = strdup(basename(filename)); |
197 | if (!network->name) | |
198 | return log_oom(); | |
199 | ||
200 | d = strrchr(network->name, '.'); | |
201 | if (!d) | |
202 | return -EINVAL; | |
203 | ||
204 | assert(streq(d, ".network")); | |
205 | ||
206 | *d = '\0'; | |
207 | ||
c1a38904 | 208 | network->required_for_online = true; |
cb9fc36a | 209 | network->dhcp = ADDRESS_FAMILY_NO; |
27cb34f5 LP |
210 | network->dhcp_use_ntp = true; |
211 | network->dhcp_use_dns = true; | |
212 | network->dhcp_use_hostname = true; | |
213 | network->dhcp_use_routes = true; | |
add8d07d | 214 | /* NOTE: this var might be overwriten by network_apply_anonymize_if_set */ |
27cb34f5 | 215 | network->dhcp_send_hostname = true; |
add8d07d | 216 | /* To enable/disable RFC7844 Anonymity Profiles */ |
217 | network->dhcp_anonymize = false; | |
84b5b79a | 218 | network->dhcp_route_metric = DHCP_ROUTE_METRIC; |
add8d07d | 219 | /* NOTE: this var might be overwrite by network_apply_anonymize_if_set */ |
3e43b2cd | 220 | network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID; |
f594276b | 221 | network->dhcp_route_table = RT_TABLE_MAIN; |
fc1ba79d | 222 | network->dhcp_route_table_set = false; |
add8d07d | 223 | /* NOTE: the following vars were not set to any default, |
224 | * even if they are commented in the man? | |
225 | * These vars might be overwriten by network_apply_anonymize_if_set */ | |
226 | network->dhcp_vendor_class_identifier = false; | |
95ab9eff AJ |
227 | /* NOTE: from man: UseMTU=... Defaults to false*/ |
228 | network->dhcp_use_mtu = false; | |
add8d07d | 229 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ |
230 | network->dhcp_use_timezone = false; | |
fb5c8216 | 231 | network->rapid_commit = true; |
5be4d38e | 232 | |
539f2a73 LP |
233 | network->dhcp_server_emit_dns = true; |
234 | network->dhcp_server_emit_ntp = true; | |
77ff6022 | 235 | network->dhcp_server_emit_router = true; |
539f2a73 LP |
236 | network->dhcp_server_emit_timezone = true; |
237 | ||
9e25315c PF |
238 | network->router_emit_dns = true; |
239 | network->router_emit_domains = true; | |
240 | ||
84c34096 | 241 | network->use_bpdu = true; |
23da66bb | 242 | network->allow_port_to_be_root = true; |
072f9e4a | 243 | network->unicast_flood = true; |
b56be296 | 244 | network->priority = LINK_BRIDGE_PORT_PRIORITY_INVALID; |
84c34096 | 245 | |
7cececb2 LP |
246 | network->lldp_mode = LLDP_MODE_ROUTERS_ONLY; |
247 | ||
a7e5da6e | 248 | network->llmnr = RESOLVE_SUPPORT_YES; |
aaa297d4 | 249 | network->mdns = RESOLVE_SUPPORT_NO; |
ad6c0475 | 250 | network->dnssec_mode = _DNSSEC_MODE_INVALID; |
bd8f6538 | 251 | |
d0d6a4cd TG |
252 | network->link_local = ADDRESS_FAMILY_IPV6; |
253 | ||
1f0d9695 | 254 | network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
4f2e437a | 255 | network->ipv6_accept_ra = -1; |
8749cbcd | 256 | network->ipv6_dad_transmits = -1; |
b69c3180 | 257 | network->ipv6_hop_limit = -1; |
465dfe59 | 258 | network->ipv6_proxy_ndp = -1; |
8341a5c3 | 259 | network->duid.type = _DUID_TYPE_INVALID; |
23d8b221 | 260 | network->proxy_arp = -1; |
99d2baa2 | 261 | network->arp = -1; |
1e7a0e21 | 262 | network->ipv6_accept_ra_use_dns = true; |
2ba31d29 | 263 | network->ipv6_accept_ra_route_table = RT_TABLE_MAIN; |
49092e22 | 264 | |
23bb31aa ZJS |
265 | dropin_dirname = strjoina(network->name, ".network.d"); |
266 | ||
267 | r = config_parse_many(filename, network_dirs, dropin_dirname, | |
268 | "Match\0" | |
269 | "Link\0" | |
270 | "Network\0" | |
271 | "Address\0" | |
95b74ef6 | 272 | "IPv6AddressLabel\0" |
bce67bbe | 273 | "RoutingPolicyRule\0" |
23bb31aa ZJS |
274 | "Route\0" |
275 | "DHCP\0" | |
276 | "DHCPv4\0" /* compat */ | |
277 | "DHCPServer\0" | |
278 | "IPv6AcceptRA\0" | |
a0e5c15d | 279 | "IPv6NDPProxyAddress\0" |
23bb31aa ZJS |
280 | "Bridge\0" |
281 | "BridgeFDB\0" | |
9d5d0090 | 282 | "BridgeVLAN\0" |
7d5cac19 | 283 | "IPv6PrefixDelegation\0" |
9d5d0090 | 284 | "IPv6Prefix\0", |
23bb31aa | 285 | config_item_perf_lookup, network_network_gperf_lookup, |
bcde742e | 286 | CONFIG_PARSE_WARN, network); |
36f822c4 | 287 | if (r < 0) |
f579559b | 288 | return r; |
f579559b | 289 | |
add8d07d | 290 | network_apply_anonymize_if_set(network); |
291 | ||
5a8bcb67 LP |
292 | /* IPMasquerade=yes implies IPForward=yes */ |
293 | if (network->ip_masquerade) | |
769d324c | 294 | network->ip_forward |= ADDRESS_FAMILY_IPV4; |
5a8bcb67 | 295 | |
f579559b | 296 | LIST_PREPEND(networks, manager->networks, network); |
b3070dc0 | 297 | |
dbffab87 TG |
298 | r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops); |
299 | if (r < 0) | |
300 | return r; | |
301 | ||
302 | r = hashmap_put(manager->networks_by_name, network->name, network); | |
303 | if (r < 0) | |
304 | return r; | |
305 | ||
3d3d4255 | 306 | LIST_FOREACH(routes, route, network->static_routes) { |
b3070dc0 TG |
307 | if (!route->family) { |
308 | log_warning("Route section without Gateway field configured in %s. " | |
309 | "Ignoring", filename); | |
310 | return 0; | |
311 | } | |
b3070dc0 TG |
312 | } |
313 | ||
3d3d4255 | 314 | LIST_FOREACH(addresses, address, network->static_addresses) { |
b3070dc0 TG |
315 | if (!address->family) { |
316 | log_warning("Address section without Address field configured in %s. " | |
317 | "Ignoring", filename); | |
318 | return 0; | |
319 | } | |
320 | } | |
321 | ||
f579559b TG |
322 | network = NULL; |
323 | ||
324 | return 0; | |
325 | } | |
326 | ||
327 | int network_load(Manager *manager) { | |
328 | Network *network; | |
477e73b5 ZJS |
329 | _cleanup_strv_free_ char **files = NULL; |
330 | char **f; | |
f579559b TG |
331 | int r; |
332 | ||
333 | assert(manager); | |
334 | ||
335 | while ((network = manager->networks)) | |
336 | network_free(network); | |
337 | ||
b5084605 | 338 | r = conf_files_list_strv(&files, ".network", NULL, 0, network_dirs); |
f647962d MS |
339 | if (r < 0) |
340 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b TG |
341 | |
342 | STRV_FOREACH_BACKWARDS(f, files) { | |
343 | r = network_load_one(manager, *f); | |
344 | if (r < 0) | |
345 | return r; | |
346 | } | |
347 | ||
f579559b TG |
348 | return 0; |
349 | } | |
350 | ||
f579559b | 351 | void network_free(Network *network) { |
a0e5c15d | 352 | IPv6ProxyNDPAddress *ipv6_proxy_ndp_address; |
bce67bbe SS |
353 | RoutingPolicyRule *rule; |
354 | FdbEntry *fdb_entry; | |
95b74ef6 | 355 | AddressLabel *label; |
057abfd8 | 356 | Prefix *prefix; |
bce67bbe SS |
357 | Address *address; |
358 | NetDev *netdev; | |
359 | Route *route; | |
06f021a8 | 360 | Iterator i; |
f579559b TG |
361 | |
362 | if (!network) | |
363 | return; | |
364 | ||
365 | free(network->filename); | |
366 | ||
367 | free(network->match_mac); | |
5256e00e TG |
368 | strv_free(network->match_path); |
369 | strv_free(network->match_driver); | |
370 | strv_free(network->match_type); | |
371 | strv_free(network->match_name); | |
f579559b TG |
372 | |
373 | free(network->description); | |
edb85f0d | 374 | free(network->dhcp_vendor_class_identifier); |
27cb34f5 | 375 | free(network->dhcp_hostname); |
f579559b | 376 | |
c106cc36 TG |
377 | free(network->mac); |
378 | ||
b0e39c82 | 379 | strv_free(network->ntp); |
5512a963 | 380 | free(network->dns); |
3df9bec5 LP |
381 | strv_free(network->search_domains); |
382 | strv_free(network->route_domains); | |
0d4ad91d | 383 | strv_free(network->bind_carrier); |
3bef724f | 384 | |
47e2dc31 | 385 | netdev_unref(network->bridge); |
47e2dc31 | 386 | netdev_unref(network->bond); |
6cb955c6 | 387 | netdev_unref(network->vrf); |
47e2dc31 | 388 | |
2c36be2f TG |
389 | HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) { |
390 | hashmap_remove(network->stacked_netdevs, netdev->ifname); | |
326cb406 | 391 | netdev_unref(netdev); |
2c36be2f | 392 | } |
6a0a2f86 | 393 | hashmap_free(network->stacked_netdevs); |
326cb406 | 394 | |
f048a16b | 395 | while ((route = network->static_routes)) |
f579559b TG |
396 | route_free(route); |
397 | ||
f048a16b | 398 | while ((address = network->static_addresses)) |
f579559b TG |
399 | address_free(address); |
400 | ||
b98b483b AR |
401 | while ((fdb_entry = network->static_fdb_entries)) |
402 | fdb_entry_free(fdb_entry); | |
403 | ||
a0e5c15d FK |
404 | while ((ipv6_proxy_ndp_address = network->ipv6_proxy_ndp_addresses)) |
405 | ipv6_proxy_ndp_address_free(ipv6_proxy_ndp_address); | |
406 | ||
95b74ef6 SS |
407 | while ((label = network->address_labels)) |
408 | address_label_free(label); | |
409 | ||
057abfd8 PF |
410 | while ((prefix = network->static_prefixes)) |
411 | prefix_free(prefix); | |
412 | ||
bce67bbe SS |
413 | while ((rule = network->rules)) |
414 | routing_policy_rule_free(rule); | |
415 | ||
6ae115c1 TG |
416 | hashmap_free(network->addresses_by_section); |
417 | hashmap_free(network->routes_by_section); | |
b98b483b | 418 | hashmap_free(network->fdb_entries_by_section); |
95b74ef6 | 419 | hashmap_free(network->address_labels_by_section); |
057abfd8 | 420 | hashmap_free(network->prefixes_by_section); |
bce67bbe | 421 | hashmap_free(network->rules_by_section); |
6ae115c1 | 422 | |
dbffab87 TG |
423 | if (network->manager) { |
424 | if (network->manager->networks) | |
425 | LIST_REMOVE(networks, network->manager->networks, network); | |
426 | ||
427 | if (network->manager->networks_by_name) | |
428 | hashmap_remove(network->manager->networks_by_name, network->name); | |
429 | } | |
430 | ||
431 | free(network->name); | |
f579559b | 432 | |
79e16ce3 LP |
433 | condition_free_list(network->match_host); |
434 | condition_free_list(network->match_virt); | |
5022f08a LP |
435 | condition_free_list(network->match_kernel_cmdline); |
436 | condition_free_list(network->match_kernel_version); | |
79e16ce3 LP |
437 | condition_free_list(network->match_arch); |
438 | ||
8eb9058d | 439 | free(network->dhcp_server_timezone); |
1a04db0f LP |
440 | free(network->dhcp_server_dns); |
441 | free(network->dhcp_server_ntp); | |
8eb9058d | 442 | |
8a516214 LP |
443 | set_free_free(network->dnssec_negative_trust_anchors); |
444 | ||
f579559b TG |
445 | free(network); |
446 | } | |
447 | ||
dbffab87 TG |
448 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
449 | Network *network; | |
450 | ||
451 | assert(manager); | |
452 | assert(name); | |
453 | assert(ret); | |
454 | ||
455 | network = hashmap_get(manager->networks_by_name, name); | |
456 | if (!network) | |
457 | return -ENOENT; | |
458 | ||
459 | *ret = network; | |
460 | ||
461 | return 0; | |
462 | } | |
463 | ||
505f8da7 TG |
464 | int network_get(Manager *manager, struct udev_device *device, |
465 | const char *ifname, const struct ether_addr *address, | |
466 | Network **ret) { | |
f579559b | 467 | Network *network; |
af3aa302 | 468 | struct udev_device *parent; |
24c083df | 469 | const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL; |
f579559b TG |
470 | |
471 | assert(manager); | |
f579559b | 472 | assert(ret); |
af3aa302 | 473 | |
24c083df TG |
474 | if (device) { |
475 | path = udev_device_get_property_value(device, "ID_PATH"); | |
af3aa302 | 476 | |
24c083df TG |
477 | parent = udev_device_get_parent(device); |
478 | if (parent) | |
479 | parent_driver = udev_device_get_driver(parent); | |
af3aa302 | 480 | |
24c083df | 481 | driver = udev_device_get_property_value(device, "ID_NET_DRIVER"); |
af3aa302 | 482 | |
24c083df TG |
483 | devtype = udev_device_get_devtype(device); |
484 | } | |
f579559b | 485 | |
f579559b TG |
486 | LIST_FOREACH(networks, network, manager->networks) { |
487 | if (net_match_config(network->match_mac, network->match_path, | |
505f8da7 TG |
488 | network->match_driver, network->match_type, |
489 | network->match_name, network->match_host, | |
5022f08a LP |
490 | network->match_virt, network->match_kernel_cmdline, |
491 | network->match_kernel_version, network->match_arch, | |
af3aa302 TG |
492 | address, path, parent_driver, driver, |
493 | devtype, ifname)) { | |
24c083df | 494 | if (network->match_name && device) { |
ca6038b8 TG |
495 | const char *attr; |
496 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
497 | ||
32bc8adc | 498 | attr = udev_device_get_sysattr_value(device, "name_assign_type"); |
285760fe | 499 | if (attr) |
dc751688 | 500 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
501 | |
502 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
503 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
504 | ifname, network->filename); | |
32bc8adc | 505 | else |
a2fae7bb | 506 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 507 | } else |
a2fae7bb | 508 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 509 | |
f579559b TG |
510 | *ret = network; |
511 | return 0; | |
512 | } | |
513 | } | |
514 | ||
515 | *ret = NULL; | |
516 | ||
517 | return -ENOENT; | |
518 | } | |
519 | ||
7d342c03 | 520 | int network_apply(Network *network, Link *link) { |
f579559b TG |
521 | int r; |
522 | ||
c4a03a56 TG |
523 | assert(network); |
524 | assert(link); | |
525 | ||
f579559b TG |
526 | link->network = network; |
527 | ||
bfa695b5 TG |
528 | if (network->ipv4ll_route) { |
529 | Route *route; | |
530 | ||
0b180d75 | 531 | r = route_new_static(network, NULL, 0, &route); |
bfa695b5 TG |
532 | if (r < 0) |
533 | return r; | |
534 | ||
2ce40956 | 535 | r = inet_pton(AF_INET, "169.254.0.0", &route->dst.in); |
bfa695b5 TG |
536 | if (r == 0) |
537 | return -EINVAL; | |
538 | if (r < 0) | |
539 | return -errno; | |
540 | ||
541 | route->family = AF_INET; | |
542 | route->dst_prefixlen = 16; | |
543 | route->scope = RT_SCOPE_LINK; | |
86655331 | 544 | route->priority = IPV4LL_ROUTE_METRIC; |
bfa695b5 TG |
545 | route->protocol = RTPROT_STATIC; |
546 | } | |
547 | ||
5512a963 | 548 | if (network->n_dns > 0 || |
3df9bec5 LP |
549 | !strv_isempty(network->ntp) || |
550 | !strv_isempty(network->search_domains) || | |
2ad6b610 | 551 | !strv_isempty(network->route_domains)) |
84de38c5 | 552 | link_dirty(link); |
3bef724f | 553 | |
f579559b TG |
554 | return 0; |
555 | } | |
02b59d57 | 556 | |
439689c6 SS |
557 | bool network_has_static_ipv6_addresses(Network *network) { |
558 | Address *address; | |
559 | ||
560 | assert(network); | |
561 | ||
562 | LIST_FOREACH(addresses, address, network->static_addresses) { | |
563 | if (address->family == AF_INET6) | |
564 | return true; | |
565 | } | |
566 | ||
567 | return false; | |
568 | } | |
569 | ||
69a93e7d | 570 | int config_parse_netdev(const char *unit, |
02b59d57 TG |
571 | const char *filename, |
572 | unsigned line, | |
573 | const char *section, | |
574 | unsigned section_line, | |
575 | const char *lvalue, | |
576 | int ltype, | |
577 | const char *rvalue, | |
578 | void *data, | |
579 | void *userdata) { | |
580 | Network *network = userdata; | |
31d0ac36 TG |
581 | _cleanup_free_ char *kind_string = NULL; |
582 | char *p; | |
1a436809 | 583 | NetDev *netdev; |
69a93e7d | 584 | NetDevKind kind; |
02b59d57 TG |
585 | int r; |
586 | ||
587 | assert(filename); | |
588 | assert(lvalue); | |
589 | assert(rvalue); | |
590 | assert(data); | |
591 | ||
69a93e7d TG |
592 | kind_string = strdup(lvalue); |
593 | if (!kind_string) | |
594 | return log_oom(); | |
52433f6b | 595 | |
69a93e7d TG |
596 | /* the keys are CamelCase versions of the kind */ |
597 | for (p = kind_string; *p; p++) | |
598 | *p = tolower(*p); | |
52433f6b | 599 | |
69a93e7d TG |
600 | kind = netdev_kind_from_string(kind_string); |
601 | if (kind == _NETDEV_KIND_INVALID) { | |
12ca818f | 602 | log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid NetDev kind: %s", lvalue); |
52433f6b TG |
603 | return 0; |
604 | } | |
605 | ||
54abf461 TG |
606 | r = netdev_get(network->manager, rvalue, &netdev); |
607 | if (r < 0) { | |
12ca818f | 608 | log_syntax(unit, LOG_ERR, filename, line, r, "%s could not be found, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
609 | return 0; |
610 | } | |
611 | ||
69a93e7d | 612 | if (netdev->kind != kind) { |
12ca818f | 613 | log_syntax(unit, LOG_ERR, filename, line, 0, "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
614 | return 0; |
615 | } | |
616 | ||
69a93e7d TG |
617 | switch (kind) { |
618 | case NETDEV_KIND_BRIDGE: | |
619 | network->bridge = netdev; | |
54abf461 | 620 | |
69a93e7d TG |
621 | break; |
622 | case NETDEV_KIND_BOND: | |
623 | network->bond = netdev; | |
fe6b2d55 | 624 | |
6cb955c6 AR |
625 | break; |
626 | case NETDEV_KIND_VRF: | |
627 | network->vrf = netdev; | |
628 | ||
69a93e7d TG |
629 | break; |
630 | case NETDEV_KIND_VLAN: | |
69a93e7d | 631 | case NETDEV_KIND_MACVLAN: |
f33ff02b | 632 | case NETDEV_KIND_MACVTAP: |
c4a5ddc9 | 633 | case NETDEV_KIND_IPVLAN: |
326cb406 | 634 | case NETDEV_KIND_VXLAN: |
92c918b0 | 635 | case NETDEV_KIND_VCAN: |
6a0a2f86 | 636 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
326cb406 | 637 | if (r < 0) { |
87ac8d99 | 638 | log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add NetDev '%s' to network: %m", rvalue); |
326cb406 SS |
639 | return 0; |
640 | } | |
641 | ||
69a93e7d TG |
642 | break; |
643 | default: | |
87ac8d99 | 644 | assert_not_reached("Cannot parse NetDev"); |
fe6b2d55 TG |
645 | } |
646 | ||
47e2dc31 TG |
647 | netdev_ref(netdev); |
648 | ||
fe6b2d55 TG |
649 | return 0; |
650 | } | |
7951dea2 | 651 | |
3df9bec5 LP |
652 | int config_parse_domains( |
653 | const char *unit, | |
654 | const char *filename, | |
655 | unsigned line, | |
656 | const char *section, | |
657 | unsigned section_line, | |
658 | const char *lvalue, | |
659 | int ltype, | |
660 | const char *rvalue, | |
661 | void *data, | |
662 | void *userdata) { | |
663 | ||
664 | const char *p; | |
665 | Network *n = data; | |
6192b846 TG |
666 | int r; |
667 | ||
3df9bec5 LP |
668 | assert(n); |
669 | assert(lvalue); | |
670 | assert(rvalue); | |
6192b846 | 671 | |
3df9bec5 LP |
672 | if (isempty(rvalue)) { |
673 | n->search_domains = strv_free(n->search_domains); | |
674 | n->route_domains = strv_free(n->route_domains); | |
675 | return 0; | |
676 | } | |
67272d15 | 677 | |
3df9bec5 LP |
678 | p = rvalue; |
679 | for (;;) { | |
680 | _cleanup_free_ char *w = NULL, *normalized = NULL; | |
681 | const char *domain; | |
682 | bool is_route; | |
683 | ||
684 | r = extract_first_word(&p, &w, NULL, 0); | |
685 | if (r < 0) { | |
686 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract search or route domain, ignoring: %s", rvalue); | |
687 | break; | |
688 | } | |
689 | if (r == 0) | |
690 | break; | |
691 | ||
692 | is_route = w[0] == '~'; | |
693 | domain = is_route ? w + 1 : w; | |
694 | ||
695 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
696 | /* If the root domain appears as is, or the special token "*" is found, we'll consider this as | |
697 | * routing domain, unconditionally. */ | |
698 | is_route = true; | |
699 | domain = "."; /* make sure we don't allow empty strings, thus write the root domain as "." */ | |
700 | ||
701 | } else { | |
702 | r = dns_name_normalize(domain, &normalized); | |
703 | if (r < 0) { | |
704 | log_syntax(unit, LOG_ERR, filename, line, r, "'%s' is not a valid domain name, ignoring.", domain); | |
705 | continue; | |
706 | } | |
707 | ||
708 | domain = normalized; | |
709 | ||
710 | if (is_localhost(domain)) { | |
711 | log_syntax(unit, LOG_ERR, filename, line, 0, "'localhost' domain names may not be configure as search or route domains, ignoring assignment: %s", domain); | |
37de2509 | 712 | continue; |
3df9bec5 | 713 | } |
37de2509 | 714 | } |
40274ed6 | 715 | |
3df9bec5 LP |
716 | if (is_route) { |
717 | r = strv_extend(&n->route_domains, domain); | |
718 | if (r < 0) | |
719 | return log_oom(); | |
40274ed6 | 720 | |
3df9bec5 LP |
721 | } else { |
722 | r = strv_extend(&n->search_domains, domain); | |
723 | if (r < 0) | |
724 | return log_oom(); | |
725 | } | |
40274ed6 | 726 | } |
f15b6e5a | 727 | |
3df9bec5 LP |
728 | strv_uniq(n->route_domains); |
729 | strv_uniq(n->search_domains); | |
730 | ||
6192b846 TG |
731 | return 0; |
732 | } | |
733 | ||
7951dea2 SS |
734 | int config_parse_tunnel(const char *unit, |
735 | const char *filename, | |
736 | unsigned line, | |
737 | const char *section, | |
738 | unsigned section_line, | |
739 | const char *lvalue, | |
740 | int ltype, | |
741 | const char *rvalue, | |
742 | void *data, | |
743 | void *userdata) { | |
744 | Network *network = userdata; | |
745 | NetDev *netdev; | |
746 | int r; | |
747 | ||
748 | assert(filename); | |
749 | assert(lvalue); | |
750 | assert(rvalue); | |
751 | assert(data); | |
752 | ||
753 | r = netdev_get(network->manager, rvalue, &netdev); | |
754 | if (r < 0) { | |
6a7a4e4d | 755 | log_syntax(unit, LOG_ERR, filename, line, r, "Tunnel is invalid, ignoring assignment: %s", rvalue); |
7951dea2 SS |
756 | return 0; |
757 | } | |
758 | ||
d29ad81e ZJS |
759 | if (!IN_SET(netdev->kind, |
760 | NETDEV_KIND_IPIP, | |
761 | NETDEV_KIND_SIT, | |
762 | NETDEV_KIND_GRE, | |
763 | NETDEV_KIND_GRETAP, | |
764 | NETDEV_KIND_IP6GRE, | |
765 | NETDEV_KIND_IP6GRETAP, | |
766 | NETDEV_KIND_VTI, | |
767 | NETDEV_KIND_VTI6, | |
768 | NETDEV_KIND_IP6TNL)) { | |
12ca818f | 769 | log_syntax(unit, LOG_ERR, filename, line, 0, |
7951dea2 SS |
770 | "NetDev is not a tunnel, ignoring assignment: %s", rvalue); |
771 | return 0; | |
772 | } | |
773 | ||
6a0a2f86 TG |
774 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
775 | if (r < 0) { | |
6a7a4e4d | 776 | log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue); |
6a0a2f86 TG |
777 | return 0; |
778 | } | |
779 | ||
780 | netdev_ref(netdev); | |
7951dea2 SS |
781 | |
782 | return 0; | |
783 | } | |
bd8f6538 | 784 | |
d0d6a4cd TG |
785 | int config_parse_ipv4ll( |
786 | const char* unit, | |
787 | const char *filename, | |
788 | unsigned line, | |
789 | const char *section, | |
790 | unsigned section_line, | |
791 | const char *lvalue, | |
792 | int ltype, | |
793 | const char *rvalue, | |
794 | void *data, | |
795 | void *userdata) { | |
796 | ||
797 | AddressFamilyBoolean *link_local = data; | |
798 | ||
799 | assert(filename); | |
800 | assert(lvalue); | |
801 | assert(rvalue); | |
802 | assert(data); | |
803 | ||
804 | /* Note that this is mostly like | |
805 | * config_parse_address_family_boolean(), except that it | |
806 | * applies only to IPv4 */ | |
807 | ||
5883ff60 | 808 | SET_FLAG(*link_local, ADDRESS_FAMILY_IPV4, parse_boolean(rvalue)); |
d0d6a4cd TG |
809 | |
810 | return 0; | |
811 | } | |
812 | ||
bd8f6538 TG |
813 | int config_parse_dhcp( |
814 | const char* unit, | |
815 | const char *filename, | |
816 | unsigned line, | |
817 | const char *section, | |
818 | unsigned section_line, | |
819 | const char *lvalue, | |
820 | int ltype, | |
821 | const char *rvalue, | |
822 | void *data, | |
823 | void *userdata) { | |
824 | ||
cb9fc36a | 825 | AddressFamilyBoolean *dhcp = data, s; |
bd8f6538 TG |
826 | |
827 | assert(filename); | |
828 | assert(lvalue); | |
829 | assert(rvalue); | |
830 | assert(data); | |
831 | ||
769d324c LP |
832 | /* Note that this is mostly like |
833 | * config_parse_address_family_boolean(), except that it | |
834 | * understands some old names for the enum values */ | |
835 | ||
cb9fc36a LP |
836 | s = address_family_boolean_from_string(rvalue); |
837 | if (s < 0) { | |
838 | ||
839 | /* Previously, we had a slightly different enum here, | |
840 | * support its values for compatbility. */ | |
841 | ||
842 | if (streq(rvalue, "none")) | |
843 | s = ADDRESS_FAMILY_NO; | |
844 | else if (streq(rvalue, "v4")) | |
845 | s = ADDRESS_FAMILY_IPV4; | |
846 | else if (streq(rvalue, "v6")) | |
847 | s = ADDRESS_FAMILY_IPV6; | |
848 | else if (streq(rvalue, "both")) | |
849 | s = ADDRESS_FAMILY_YES; | |
850 | else { | |
12ca818f | 851 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DHCP option, ignoring: %s", rvalue); |
bd8f6538 TG |
852 | return 0; |
853 | } | |
bd8f6538 TG |
854 | } |
855 | ||
cb9fc36a | 856 | *dhcp = s; |
bd8f6538 TG |
857 | return 0; |
858 | } | |
859 | ||
3e43b2cd JJ |
860 | static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = { |
861 | [DHCP_CLIENT_ID_MAC] = "mac", | |
862 | [DHCP_CLIENT_ID_DUID] = "duid" | |
863 | }; | |
864 | ||
499d555a SS |
865 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DHCPClientIdentifier); |
866 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DHCPClientIdentifier, "Failed to parse client identifier type"); | |
3e43b2cd | 867 | |
60c35566 | 868 | int config_parse_ipv6token( |
7f77697a TG |
869 | const char* unit, |
870 | const char *filename, | |
871 | unsigned line, | |
872 | const char *section, | |
873 | unsigned section_line, | |
874 | const char *lvalue, | |
875 | int ltype, | |
876 | const char *rvalue, | |
877 | void *data, | |
878 | void *userdata) { | |
879 | ||
880 | union in_addr_union buffer; | |
881 | struct in6_addr *token = data; | |
882 | int r; | |
883 | ||
884 | assert(filename); | |
885 | assert(lvalue); | |
886 | assert(rvalue); | |
887 | assert(token); | |
888 | ||
889 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
890 | if (r < 0) { | |
6a7a4e4d | 891 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
892 | return 0; |
893 | } | |
894 | ||
895 | r = in_addr_is_null(AF_INET6, &buffer); | |
12ca818f | 896 | if (r != 0) { |
87ac8d99 | 897 | log_syntax(unit, LOG_ERR, filename, line, r, "IPv6 token cannot be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
898 | return 0; |
899 | } | |
900 | ||
901 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
87ac8d99 | 902 | log_syntax(unit, LOG_ERR, filename, line, 0, "IPv6 token cannot be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
903 | return 0; |
904 | } | |
905 | ||
906 | *token = buffer.in6; | |
907 | ||
908 | return 0; | |
909 | } | |
8add5f79 | 910 | |
49092e22 | 911 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
912 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
913 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
914 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
915 | }; |
916 | ||
917 | DEFINE_STRING_TABLE_LOOKUP(ipv6_privacy_extensions, IPv6PrivacyExtensions); | |
918 | ||
919 | int config_parse_ipv6_privacy_extensions( | |
920 | const char* unit, | |
921 | const char *filename, | |
922 | unsigned line, | |
923 | const char *section, | |
924 | unsigned section_line, | |
925 | const char *lvalue, | |
926 | int ltype, | |
927 | const char *rvalue, | |
928 | void *data, | |
929 | void *userdata) { | |
930 | ||
931 | IPv6PrivacyExtensions *ipv6_privacy_extensions = data; | |
932 | int k; | |
933 | ||
934 | assert(filename); | |
935 | assert(lvalue); | |
936 | assert(rvalue); | |
937 | assert(ipv6_privacy_extensions); | |
938 | ||
939 | /* Our enum shall be a superset of booleans, hence first try | |
940 | * to parse as boolean, and then as enum */ | |
941 | ||
942 | k = parse_boolean(rvalue); | |
943 | if (k > 0) | |
1f0d9695 | 944 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_YES; |
49092e22 | 945 | else if (k == 0) |
1f0d9695 | 946 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
49092e22 | 947 | else { |
1f0d9695 | 948 | IPv6PrivacyExtensions s; |
49092e22 SS |
949 | |
950 | s = ipv6_privacy_extensions_from_string(rvalue); | |
1f0d9695 LP |
951 | if (s < 0) { |
952 | ||
953 | if (streq(rvalue, "kernel")) | |
954 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
955 | else { | |
12ca818f | 956 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1f0d9695 LP |
957 | return 0; |
958 | } | |
49092e22 SS |
959 | } |
960 | ||
961 | *ipv6_privacy_extensions = s; | |
962 | } | |
963 | ||
964 | return 0; | |
965 | } | |
a7d0ef44 | 966 | |
1ac608c9 LP |
967 | int config_parse_hostname( |
968 | const char *unit, | |
969 | const char *filename, | |
970 | unsigned line, | |
971 | const char *section, | |
972 | unsigned section_line, | |
973 | const char *lvalue, | |
974 | int ltype, | |
975 | const char *rvalue, | |
976 | void *data, | |
977 | void *userdata) { | |
978 | ||
979 | char **hostname = data, *hn = NULL; | |
a7d0ef44 SS |
980 | int r; |
981 | ||
982 | assert(filename); | |
983 | assert(lvalue); | |
984 | assert(rvalue); | |
985 | ||
1ac608c9 | 986 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
987 | if (r < 0) |
988 | return r; | |
989 | ||
1ac608c9 | 990 | if (!hostname_is_valid(hn, false)) { |
12ca818f | 991 | log_syntax(unit, LOG_ERR, filename, line, 0, "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
992 | free(hn); |
993 | return 0; | |
994 | } | |
995 | ||
1ac608c9 | 996 | free(*hostname); |
ae691c1d | 997 | *hostname = hostname_cleanup(hn); |
a7d0ef44 SS |
998 | return 0; |
999 | } | |
8eb9058d LP |
1000 | |
1001 | int config_parse_timezone( | |
1002 | const char *unit, | |
1003 | const char *filename, | |
1004 | unsigned line, | |
1005 | const char *section, | |
1006 | unsigned section_line, | |
1007 | const char *lvalue, | |
1008 | int ltype, | |
1009 | const char *rvalue, | |
1010 | void *data, | |
1011 | void *userdata) { | |
1012 | ||
64d6c229 | 1013 | char **datap = data, *tz = NULL; |
8eb9058d LP |
1014 | int r; |
1015 | ||
1016 | assert(filename); | |
1017 | assert(lvalue); | |
1018 | assert(rvalue); | |
1019 | ||
1020 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1021 | if (r < 0) | |
1022 | return r; | |
1023 | ||
1024 | if (!timezone_is_valid(tz)) { | |
12ca818f | 1025 | log_syntax(unit, LOG_ERR, filename, line, 0, "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1026 | free(tz); |
1027 | return 0; | |
1028 | } | |
1029 | ||
64d6c229 TA |
1030 | free(*datap); |
1031 | *datap = tz; | |
8eb9058d LP |
1032 | |
1033 | return 0; | |
1034 | } | |
1a04db0f LP |
1035 | |
1036 | int config_parse_dhcp_server_dns( | |
1037 | const char *unit, | |
1038 | const char *filename, | |
1039 | unsigned line, | |
1040 | const char *section, | |
1041 | unsigned section_line, | |
1042 | const char *lvalue, | |
1043 | int ltype, | |
1044 | const char *rvalue, | |
1045 | void *data, | |
1046 | void *userdata) { | |
1047 | ||
1048 | Network *n = data; | |
1049 | const char *p = rvalue; | |
1050 | int r; | |
1051 | ||
1052 | assert(filename); | |
1053 | assert(lvalue); | |
1054 | assert(rvalue); | |
1055 | ||
1056 | for (;;) { | |
1057 | _cleanup_free_ char *w = NULL; | |
1058 | struct in_addr a, *m; | |
1059 | ||
1060 | r = extract_first_word(&p, &w, NULL, 0); | |
fa105ce6 LP |
1061 | if (r == -ENOMEM) |
1062 | return log_oom(); | |
1a04db0f LP |
1063 | if (r < 0) { |
1064 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1065 | return 0; | |
1066 | } | |
1a04db0f | 1067 | if (r == 0) |
fa105ce6 | 1068 | break; |
1a04db0f LP |
1069 | |
1070 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 1071 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); |
1a04db0f LP |
1072 | continue; |
1073 | } | |
1074 | ||
62d74c78 | 1075 | m = reallocarray(n->dhcp_server_dns, n->n_dhcp_server_dns + 1, sizeof(struct in_addr)); |
1a04db0f LP |
1076 | if (!m) |
1077 | return log_oom(); | |
1078 | ||
1079 | m[n->n_dhcp_server_dns++] = a; | |
1080 | n->dhcp_server_dns = m; | |
1081 | } | |
fa105ce6 | 1082 | |
88295a05 PF |
1083 | return 0; |
1084 | } | |
1085 | ||
1086 | int config_parse_radv_dns( | |
1087 | const char *unit, | |
1088 | const char *filename, | |
1089 | unsigned line, | |
1090 | const char *section, | |
1091 | unsigned section_line, | |
1092 | const char *lvalue, | |
1093 | int ltype, | |
1094 | const char *rvalue, | |
1095 | void *data, | |
1096 | void *userdata) { | |
1097 | ||
1098 | Network *n = data; | |
1099 | const char *p = rvalue; | |
1100 | int r; | |
1101 | ||
1102 | assert(filename); | |
1103 | assert(lvalue); | |
1104 | assert(rvalue); | |
1105 | ||
1106 | for (;;) { | |
1107 | _cleanup_free_ char *w = NULL; | |
1108 | union in_addr_union a; | |
1109 | ||
1110 | r = extract_first_word(&p, &w, NULL, 0); | |
1111 | if (r == -ENOMEM) | |
1112 | return log_oom(); | |
1113 | if (r < 0) { | |
1114 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1115 | return 0; | |
1116 | } | |
1117 | if (r == 0) | |
1118 | break; | |
1119 | ||
1120 | if (in_addr_from_string(AF_INET6, w, &a) >= 0) { | |
1121 | struct in6_addr *m; | |
1122 | ||
62d74c78 | 1123 | m = reallocarray(n->router_dns, n->n_router_dns + 1, sizeof(struct in6_addr)); |
88295a05 PF |
1124 | if (!m) |
1125 | return log_oom(); | |
1126 | ||
1127 | m[n->n_router_dns++] = a.in6; | |
1128 | n->router_dns = m; | |
1129 | ||
1130 | } else | |
1131 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); | |
1132 | ||
1133 | } | |
1134 | ||
700f1186 PF |
1135 | return 0; |
1136 | } | |
1137 | ||
1138 | int config_parse_radv_search_domains( | |
1139 | const char *unit, | |
1140 | const char *filename, | |
1141 | unsigned line, | |
1142 | const char *section, | |
1143 | unsigned section_line, | |
1144 | const char *lvalue, | |
1145 | int ltype, | |
1146 | const char *rvalue, | |
1147 | void *data, | |
1148 | void *userdata) { | |
1149 | ||
1150 | Network *n = data; | |
1151 | const char *p = rvalue; | |
1152 | int r; | |
1153 | ||
1154 | assert(filename); | |
1155 | assert(lvalue); | |
1156 | assert(rvalue); | |
1157 | ||
1158 | for (;;) { | |
1159 | _cleanup_free_ char *w = NULL; | |
1160 | _cleanup_free_ char *idna = NULL; | |
1161 | ||
1162 | r = extract_first_word(&p, &w, NULL, 0); | |
1163 | if (r == -ENOMEM) | |
1164 | return log_oom(); | |
1165 | if (r < 0) { | |
1166 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1167 | return 0; | |
1168 | } | |
1169 | if (r == 0) | |
1170 | break; | |
1171 | ||
1172 | r = dns_name_apply_idna(w, &idna); | |
1173 | if (r > 0) { | |
1174 | r = strv_push(&n->router_search_domains, idna); | |
1175 | if (r >= 0) | |
1176 | idna = NULL; | |
1177 | } else if (r == 0) { | |
1178 | r = strv_push(&n->router_search_domains, w); | |
1179 | if (r >= 0) | |
1180 | w = NULL; | |
1181 | } | |
1182 | } | |
1183 | ||
fa105ce6 | 1184 | return 0; |
1a04db0f LP |
1185 | } |
1186 | ||
1187 | int config_parse_dhcp_server_ntp( | |
1188 | const char *unit, | |
1189 | const char *filename, | |
1190 | unsigned line, | |
1191 | const char *section, | |
1192 | unsigned section_line, | |
1193 | const char *lvalue, | |
1194 | int ltype, | |
1195 | const char *rvalue, | |
1196 | void *data, | |
1197 | void *userdata) { | |
1198 | ||
1199 | Network *n = data; | |
1200 | const char *p = rvalue; | |
1201 | int r; | |
1202 | ||
1203 | assert(filename); | |
1204 | assert(lvalue); | |
1205 | assert(rvalue); | |
1206 | ||
1207 | for (;;) { | |
1208 | _cleanup_free_ char *w = NULL; | |
1209 | struct in_addr a, *m; | |
1210 | ||
1211 | r = extract_first_word(&p, &w, NULL, 0); | |
fa105ce6 LP |
1212 | if (r == -ENOMEM) |
1213 | return log_oom(); | |
1a04db0f | 1214 | if (r < 0) { |
12ca818f | 1215 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); |
1a04db0f LP |
1216 | return 0; |
1217 | } | |
1a04db0f LP |
1218 | if (r == 0) |
1219 | return 0; | |
1220 | ||
1221 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 1222 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse NTP server address, ignoring: %s", w); |
1a04db0f LP |
1223 | continue; |
1224 | } | |
1225 | ||
62d74c78 | 1226 | m = reallocarray(n->dhcp_server_ntp, n->n_dhcp_server_ntp + 1, sizeof(struct in_addr)); |
1a04db0f LP |
1227 | if (!m) |
1228 | return log_oom(); | |
1229 | ||
1230 | m[n->n_dhcp_server_ntp++] = a; | |
1231 | n->dhcp_server_ntp = m; | |
1232 | } | |
1233 | } | |
8a516214 | 1234 | |
53253824 SS |
1235 | int config_parse_dns( |
1236 | const char *unit, | |
1237 | const char *filename, | |
1238 | unsigned line, | |
1239 | const char *section, | |
1240 | unsigned section_line, | |
1241 | const char *lvalue, | |
1242 | int ltype, | |
1243 | const char *rvalue, | |
1244 | void *data, | |
1245 | void *userdata) { | |
1246 | ||
1247 | Network *n = userdata; | |
1248 | int r; | |
1249 | ||
1250 | assert(filename); | |
1251 | assert(lvalue); | |
1252 | assert(rvalue); | |
1253 | ||
1254 | for (;;) { | |
1255 | _cleanup_free_ char *w = NULL; | |
1256 | union in_addr_union a; | |
5512a963 | 1257 | struct in_addr_data *m; |
53253824 SS |
1258 | int family; |
1259 | ||
5512a963 | 1260 | r = extract_first_word(&rvalue, &w, NULL, 0); |
53253824 SS |
1261 | if (r == -ENOMEM) |
1262 | return log_oom(); | |
1263 | if (r < 0) { | |
1264 | log_syntax(unit, LOG_ERR, filename, line, r, "Invalid syntax, ignoring: %s", rvalue); | |
1265 | break; | |
1266 | } | |
5512a963 LP |
1267 | if (r == 0) |
1268 | break; | |
53253824 SS |
1269 | |
1270 | r = in_addr_from_string_auto(w, &family, &a); | |
1271 | if (r < 0) { | |
5512a963 | 1272 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1273 | continue; |
1274 | } | |
1275 | ||
62d74c78 | 1276 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_data)); |
5512a963 | 1277 | if (!m) |
53253824 SS |
1278 | return log_oom(); |
1279 | ||
5512a963 LP |
1280 | m[n->n_dns++] = (struct in_addr_data) { |
1281 | .family = family, | |
1282 | .address = a, | |
1283 | }; | |
1284 | ||
1285 | n->dns = m; | |
53253824 SS |
1286 | } |
1287 | ||
1288 | return 0; | |
1289 | } | |
1290 | ||
8a516214 LP |
1291 | int config_parse_dnssec_negative_trust_anchors( |
1292 | const char *unit, | |
1293 | const char *filename, | |
1294 | unsigned line, | |
1295 | const char *section, | |
1296 | unsigned section_line, | |
1297 | const char *lvalue, | |
1298 | int ltype, | |
1299 | const char *rvalue, | |
1300 | void *data, | |
1301 | void *userdata) { | |
1302 | ||
1303 | const char *p = rvalue; | |
1304 | Network *n = data; | |
1305 | int r; | |
1306 | ||
3df9bec5 | 1307 | assert(n); |
8a516214 LP |
1308 | assert(lvalue); |
1309 | assert(rvalue); | |
1310 | ||
1311 | if (isempty(rvalue)) { | |
1312 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1313 | return 0; | |
1314 | } | |
1315 | ||
1316 | for (;;) { | |
1317 | _cleanup_free_ char *w = NULL; | |
1318 | ||
1319 | r = extract_first_word(&p, &w, NULL, 0); | |
1320 | if (r < 0) { | |
1321 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); | |
1322 | break; | |
1323 | } | |
1324 | if (r == 0) | |
1325 | break; | |
1326 | ||
1327 | r = dns_name_is_valid(w); | |
1328 | if (r <= 0) { | |
1329 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name, ignoring.", w); | |
1330 | continue; | |
1331 | } | |
1332 | ||
cbbf38ae LP |
1333 | r = set_ensure_allocated(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops); |
1334 | if (r < 0) | |
1335 | return log_oom(); | |
1336 | ||
8a516214 LP |
1337 | r = set_put(n->dnssec_negative_trust_anchors, w); |
1338 | if (r < 0) | |
1339 | return log_oom(); | |
1340 | if (r > 0) | |
1341 | w = NULL; | |
1342 | } | |
1343 | ||
1344 | return 0; | |
1345 | } | |
b2a81c0b | 1346 | |
26575990 LP |
1347 | int config_parse_ntp( |
1348 | const char *unit, | |
1349 | const char *filename, | |
1350 | unsigned line, | |
1351 | const char *section, | |
1352 | unsigned section_line, | |
1353 | const char *lvalue, | |
1354 | int ltype, | |
1355 | const char *rvalue, | |
1356 | void *data, | |
1357 | void *userdata) { | |
1358 | ||
1359 | char ***l = data; | |
1360 | int r; | |
1361 | ||
1362 | assert(l); | |
1363 | assert(lvalue); | |
1364 | assert(rvalue); | |
1365 | ||
1366 | if (isempty(rvalue)) { | |
1367 | *l = strv_free(*l); | |
1368 | return 0; | |
1369 | } | |
1370 | ||
1371 | for (;;) { | |
1372 | _cleanup_free_ char *w = NULL; | |
1373 | ||
1374 | r = extract_first_word(&rvalue, &w, NULL, 0); | |
1375 | if (r == -ENOMEM) | |
1376 | return log_oom(); | |
1377 | if (r < 0) { | |
1378 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract NTP server name, ignoring: %s", rvalue); | |
1379 | break; | |
1380 | } | |
1381 | if (r == 0) | |
1382 | break; | |
1383 | ||
1384 | r = dns_name_is_valid_or_address(w); | |
1385 | if (r <= 0) { | |
1386 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name or IP address, ignoring.", w); | |
1387 | continue; | |
1388 | } | |
1389 | ||
1390 | r = strv_push(l, w); | |
1391 | if (r < 0) | |
1392 | return log_oom(); | |
1393 | ||
1394 | w = NULL; | |
1395 | } | |
1396 | ||
1397 | return 0; | |
1398 | } | |
1399 | ||
f594276b JK |
1400 | int config_parse_dhcp_route_table(const char *unit, |
1401 | const char *filename, | |
1402 | unsigned line, | |
1403 | const char *section, | |
1404 | unsigned section_line, | |
1405 | const char *lvalue, | |
1406 | int ltype, | |
1407 | const char *rvalue, | |
1408 | void *data, | |
1409 | void *userdata) { | |
fc1ba79d | 1410 | Network *network = data; |
f594276b JK |
1411 | uint32_t rt; |
1412 | int r; | |
1413 | ||
1414 | assert(filename); | |
1415 | assert(lvalue); | |
1416 | assert(rvalue); | |
1417 | assert(data); | |
1418 | ||
1419 | r = safe_atou32(rvalue, &rt); | |
1420 | if (r < 0) { | |
1421 | log_syntax(unit, LOG_ERR, filename, line, r, | |
1422 | "Unable to read RouteTable, ignoring assignment: %s", rvalue); | |
1423 | return 0; | |
1424 | } | |
1425 | ||
fc1ba79d AR |
1426 | network->dhcp_route_table = rt; |
1427 | network->dhcp_route_table_set = true; | |
f594276b JK |
1428 | |
1429 | return 0; | |
1430 | } | |
1431 | ||
b2a81c0b LP |
1432 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_use_domains, dhcp_use_domains, DHCPUseDomains, "Failed to parse DHCP use domains setting"); |
1433 | ||
1434 | static const char* const dhcp_use_domains_table[_DHCP_USE_DOMAINS_MAX] = { | |
1435 | [DHCP_USE_DOMAINS_NO] = "no", | |
1436 | [DHCP_USE_DOMAINS_ROUTE] = "route", | |
1437 | [DHCP_USE_DOMAINS_YES] = "yes", | |
1438 | }; | |
1439 | ||
1440 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dhcp_use_domains, DHCPUseDomains, DHCP_USE_DOMAINS_YES); | |
34437b4f LP |
1441 | |
1442 | DEFINE_CONFIG_PARSE_ENUM(config_parse_lldp_mode, lldp_mode, LLDPMode, "Failed to parse LLDP= setting."); | |
1443 | ||
1444 | static const char* const lldp_mode_table[_LLDP_MODE_MAX] = { | |
1445 | [LLDP_MODE_NO] = "no", | |
1446 | [LLDP_MODE_YES] = "yes", | |
1447 | [LLDP_MODE_ROUTERS_ONLY] = "routers-only", | |
1448 | }; | |
1449 | ||
1450 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(lldp_mode, LLDPMode, LLDP_MODE_YES); |