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f579559b TG |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
69a93e7d | 20 | #include <ctype.h> |
987efa17 | 21 | #include <net/if.h> |
69a93e7d | 22 | |
b5efdb8a | 23 | #include "alloc-util.h" |
f579559b TG |
24 | #include "conf-files.h" |
25 | #include "conf-parser.h" | |
37de2509 | 26 | #include "dns-domain.h" |
3ffd4af2 | 27 | #include "fd-util.h" |
07630cea | 28 | #include "hostname-util.h" |
88295a05 | 29 | #include "in-addr-util.h" |
fc2f9534 | 30 | #include "network-internal.h" |
23f53b99 | 31 | #include "networkd-manager.h" |
3ffd4af2 | 32 | #include "networkd-network.h" |
6bedfcbb | 33 | #include "parse-util.h" |
8a516214 | 34 | #include "set.h" |
8fcde012 | 35 | #include "stat-util.h" |
8b43440b | 36 | #include "string-table.h" |
07630cea | 37 | #include "string-util.h" |
700f1186 | 38 | #include "strv.h" |
07630cea | 39 | #include "util.h" |
f579559b | 40 | |
f4859fc7 SS |
41 | static void network_config_hash_func(const void *p, struct siphash *state) { |
42 | const NetworkConfigSection *c = p; | |
43 | ||
44 | siphash24_compress(c->filename, strlen(c->filename), state); | |
45 | siphash24_compress(&c->line, sizeof(c->line), state); | |
46 | } | |
47 | ||
48 | static int network_config_compare_func(const void *a, const void *b) { | |
49 | const NetworkConfigSection *x = a, *y = b; | |
50 | int r; | |
51 | ||
52 | r = strcmp(x->filename, y->filename); | |
53 | if (r != 0) | |
54 | return r; | |
55 | ||
56 | return y->line - x->line; | |
57 | } | |
58 | ||
59 | const struct hash_ops network_config_hash_ops = { | |
60 | .hash = network_config_hash_func, | |
61 | .compare = network_config_compare_func, | |
62 | }; | |
63 | ||
64 | int network_config_section_new(const char *filename, unsigned line, NetworkConfigSection **s) { | |
65 | NetworkConfigSection *cs; | |
66 | ||
67 | cs = malloc0(offsetof(NetworkConfigSection, filename) + strlen(filename) + 1); | |
68 | if (!cs) | |
69 | return -ENOMEM; | |
70 | ||
71 | strcpy(cs->filename, filename); | |
72 | cs->line = line; | |
73 | ||
74 | *s = cs; | |
75 | cs = NULL; | |
76 | ||
77 | return 0; | |
78 | } | |
79 | ||
80 | void network_config_section_free(NetworkConfigSection *cs) { | |
bce67bbe | 81 | free(cs); |
f4859fc7 SS |
82 | } |
83 | ||
add8d07d | 84 | /* Set defaults following RFC7844 */ |
85 | void network_apply_anonymize_if_set(Network *network) { | |
86 | if (!network->dhcp_anonymize) | |
87 | return; | |
88 | /* RFC7844 3.7 | |
89 | SHOULD NOT send the Host Name option */ | |
90 | network->dhcp_send_hostname = false; | |
91 | /* RFC7844 section 3.: | |
92 | MAY contain the Client Identifier option | |
93 | Section 3.5: | |
94 | clients MUST use client identifiers based solely | |
95 | on the link-layer address */ | |
96 | /* NOTE: Using MAC, as it does not reveal extra information, | |
97 | * and some servers might not answer if this option is not sent */ | |
98 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
99 | /* RFC 7844 3.10: | |
100 | SHOULD NOT use the Vendor Class Identifier option */ | |
101 | /* NOTE: it was not initiallized to any value in network_load_one. */ | |
102 | network->dhcp_vendor_class_identifier = false; | |
103 | /* RFC7844 section 3.6.: | |
104 | The client intending to protect its privacy SHOULD only request a | |
105 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
106 | the ordering of option codes in the PRL. If this random ordering | |
107 | cannot be implemented, the client MAY order the option codes in the | |
108 | PRL by option code number (lowest to highest). | |
109 | */ | |
110 | /* NOTE: dhcp_use_mtu is false by default, | |
111 | * though it was not initiallized to any value in network_load_one. | |
112 | * Maybe there should be another var called *send*? | |
113 | * (to use the MTU sent by the server but to do not send | |
114 | * the option in the PRL). */ | |
115 | network->dhcp_use_mtu = false; | |
116 | /* RFC7844 section 3.6. | |
117 | * same comments as previous option */ | |
118 | network->dhcp_use_routes = false; | |
119 | /* RFC7844 section 3.6. | |
120 | * same comments as previous option */ | |
121 | network->dhcp_use_timezone = false; | |
122 | } | |
123 | ||
f579559b TG |
124 | static int network_load_one(Manager *manager, const char *filename) { |
125 | _cleanup_network_free_ Network *network = NULL; | |
126 | _cleanup_fclose_ FILE *file = NULL; | |
dbffab87 | 127 | char *d; |
047a0dac | 128 | const char *dropin_dirname; |
b3070dc0 TG |
129 | Route *route; |
130 | Address *address; | |
f579559b TG |
131 | int r; |
132 | ||
bf1bc670 TA |
133 | assert(manager); |
134 | assert(filename); | |
135 | ||
f579559b TG |
136 | file = fopen(filename, "re"); |
137 | if (!file) { | |
138 | if (errno == ENOENT) | |
139 | return 0; | |
1e7a0e21 LP |
140 | |
141 | return -errno; | |
f579559b TG |
142 | } |
143 | ||
ed88bcfb ZJS |
144 | if (null_or_empty_fd(fileno(file))) { |
145 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
146 | return 0; |
147 | } | |
148 | ||
f579559b TG |
149 | network = new0(Network, 1); |
150 | if (!network) | |
151 | return log_oom(); | |
152 | ||
5a3eb5a7 TG |
153 | network->manager = manager; |
154 | ||
f048a16b TG |
155 | LIST_HEAD_INIT(network->static_addresses); |
156 | LIST_HEAD_INIT(network->static_routes); | |
b98b483b | 157 | LIST_HEAD_INIT(network->static_fdb_entries); |
a0e5c15d | 158 | LIST_HEAD_INIT(network->ipv6_proxy_ndp_addresses); |
95b74ef6 | 159 | LIST_HEAD_INIT(network->address_labels); |
057abfd8 | 160 | LIST_HEAD_INIT(network->static_prefixes); |
bce67bbe | 161 | LIST_HEAD_INIT(network->rules); |
f579559b | 162 | |
d5099efc | 163 | network->stacked_netdevs = hashmap_new(&string_hash_ops); |
6a0a2f86 | 164 | if (!network->stacked_netdevs) |
326cb406 SS |
165 | return log_oom(); |
166 | ||
f4859fc7 | 167 | network->addresses_by_section = hashmap_new(&network_config_hash_ops); |
6ae115c1 TG |
168 | if (!network->addresses_by_section) |
169 | return log_oom(); | |
170 | ||
f4859fc7 | 171 | network->routes_by_section = hashmap_new(&network_config_hash_ops); |
6ae115c1 TG |
172 | if (!network->routes_by_section) |
173 | return log_oom(); | |
174 | ||
b98b483b AR |
175 | network->fdb_entries_by_section = hashmap_new(NULL); |
176 | if (!network->fdb_entries_by_section) | |
177 | return log_oom(); | |
178 | ||
95b74ef6 SS |
179 | network->address_labels_by_section = hashmap_new(&network_config_hash_ops); |
180 | if (!network->address_labels_by_section) | |
057abfd8 PF |
181 | log_oom(); |
182 | ||
183 | network->prefixes_by_section = hashmap_new(&network_config_hash_ops); | |
184 | if (!network->prefixes_by_section) | |
95b74ef6 SS |
185 | return log_oom(); |
186 | ||
bce67bbe SS |
187 | network->rules_by_section = hashmap_new(&network_config_hash_ops); |
188 | if (!network->rules_by_section) | |
189 | return log_oom(); | |
190 | ||
6ae115c1 TG |
191 | network->filename = strdup(filename); |
192 | if (!network->filename) | |
193 | return log_oom(); | |
194 | ||
dbffab87 TG |
195 | network->name = strdup(basename(filename)); |
196 | if (!network->name) | |
197 | return log_oom(); | |
198 | ||
199 | d = strrchr(network->name, '.'); | |
200 | if (!d) | |
201 | return -EINVAL; | |
202 | ||
203 | assert(streq(d, ".network")); | |
204 | ||
205 | *d = '\0'; | |
206 | ||
cb9fc36a | 207 | network->dhcp = ADDRESS_FAMILY_NO; |
27cb34f5 LP |
208 | network->dhcp_use_ntp = true; |
209 | network->dhcp_use_dns = true; | |
210 | network->dhcp_use_hostname = true; | |
add8d07d | 211 | /* NOTE: this var might be overwriten by network_apply_anonymize_if_set */ |
27cb34f5 | 212 | network->dhcp_use_routes = true; |
add8d07d | 213 | /* NOTE: this var might be overwriten by network_apply_anonymize_if_set */ |
27cb34f5 | 214 | network->dhcp_send_hostname = true; |
add8d07d | 215 | /* To enable/disable RFC7844 Anonymity Profiles */ |
216 | network->dhcp_anonymize = false; | |
84b5b79a | 217 | network->dhcp_route_metric = DHCP_ROUTE_METRIC; |
add8d07d | 218 | /* NOTE: this var might be overwrite by network_apply_anonymize_if_set */ |
3e43b2cd | 219 | network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID; |
f594276b | 220 | network->dhcp_route_table = RT_TABLE_MAIN; |
fc1ba79d | 221 | network->dhcp_route_table_set = false; |
add8d07d | 222 | /* NOTE: the following vars were not set to any default, |
223 | * even if they are commented in the man? | |
224 | * These vars might be overwriten by network_apply_anonymize_if_set */ | |
225 | network->dhcp_vendor_class_identifier = false; | |
95ab9eff AJ |
226 | /* NOTE: from man: UseMTU=... Defaults to false*/ |
227 | network->dhcp_use_mtu = false; | |
add8d07d | 228 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ |
229 | network->dhcp_use_timezone = false; | |
5be4d38e | 230 | |
539f2a73 LP |
231 | network->dhcp_server_emit_dns = true; |
232 | network->dhcp_server_emit_ntp = true; | |
77ff6022 | 233 | network->dhcp_server_emit_router = true; |
539f2a73 LP |
234 | network->dhcp_server_emit_timezone = true; |
235 | ||
84c34096 | 236 | network->use_bpdu = true; |
23da66bb | 237 | network->allow_port_to_be_root = true; |
072f9e4a | 238 | network->unicast_flood = true; |
b56be296 | 239 | network->priority = LINK_BRIDGE_PORT_PRIORITY_INVALID; |
84c34096 | 240 | |
7cececb2 LP |
241 | network->lldp_mode = LLDP_MODE_ROUTERS_ONLY; |
242 | ||
a7e5da6e | 243 | network->llmnr = RESOLVE_SUPPORT_YES; |
aaa297d4 | 244 | network->mdns = RESOLVE_SUPPORT_NO; |
ad6c0475 | 245 | network->dnssec_mode = _DNSSEC_MODE_INVALID; |
bd8f6538 | 246 | |
d0d6a4cd TG |
247 | network->link_local = ADDRESS_FAMILY_IPV6; |
248 | ||
1f0d9695 | 249 | network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
4f2e437a | 250 | network->ipv6_accept_ra = -1; |
8749cbcd | 251 | network->ipv6_dad_transmits = -1; |
b69c3180 | 252 | network->ipv6_hop_limit = -1; |
465dfe59 | 253 | network->ipv6_proxy_ndp = -1; |
8341a5c3 | 254 | network->duid.type = _DUID_TYPE_INVALID; |
23d8b221 | 255 | network->proxy_arp = -1; |
99d2baa2 | 256 | network->arp = -1; |
1e7a0e21 | 257 | network->ipv6_accept_ra_use_dns = true; |
2ba31d29 | 258 | network->ipv6_accept_ra_route_table = RT_TABLE_MAIN; |
49092e22 | 259 | |
23bb31aa ZJS |
260 | dropin_dirname = strjoina(network->name, ".network.d"); |
261 | ||
262 | r = config_parse_many(filename, network_dirs, dropin_dirname, | |
263 | "Match\0" | |
264 | "Link\0" | |
265 | "Network\0" | |
266 | "Address\0" | |
95b74ef6 | 267 | "IPv6AddressLabel\0" |
bce67bbe | 268 | "RoutingPolicyRule\0" |
23bb31aa ZJS |
269 | "Route\0" |
270 | "DHCP\0" | |
271 | "DHCPv4\0" /* compat */ | |
272 | "DHCPServer\0" | |
273 | "IPv6AcceptRA\0" | |
a0e5c15d | 274 | "IPv6NDPProxyAddress\0" |
23bb31aa ZJS |
275 | "Bridge\0" |
276 | "BridgeFDB\0" | |
9d5d0090 | 277 | "BridgeVLAN\0" |
7d5cac19 | 278 | "IPv6PrefixDelegation\0" |
9d5d0090 | 279 | "IPv6Prefix\0", |
23bb31aa ZJS |
280 | config_item_perf_lookup, network_network_gperf_lookup, |
281 | false, network); | |
36f822c4 | 282 | if (r < 0) |
f579559b | 283 | return r; |
f579559b | 284 | |
add8d07d | 285 | network_apply_anonymize_if_set(network); |
286 | ||
5a8bcb67 LP |
287 | /* IPMasquerade=yes implies IPForward=yes */ |
288 | if (network->ip_masquerade) | |
769d324c | 289 | network->ip_forward |= ADDRESS_FAMILY_IPV4; |
5a8bcb67 | 290 | |
f579559b | 291 | LIST_PREPEND(networks, manager->networks, network); |
b3070dc0 | 292 | |
dbffab87 TG |
293 | r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops); |
294 | if (r < 0) | |
295 | return r; | |
296 | ||
297 | r = hashmap_put(manager->networks_by_name, network->name, network); | |
298 | if (r < 0) | |
299 | return r; | |
300 | ||
3d3d4255 | 301 | LIST_FOREACH(routes, route, network->static_routes) { |
b3070dc0 TG |
302 | if (!route->family) { |
303 | log_warning("Route section without Gateway field configured in %s. " | |
304 | "Ignoring", filename); | |
305 | return 0; | |
306 | } | |
b3070dc0 TG |
307 | } |
308 | ||
3d3d4255 | 309 | LIST_FOREACH(addresses, address, network->static_addresses) { |
b3070dc0 TG |
310 | if (!address->family) { |
311 | log_warning("Address section without Address field configured in %s. " | |
312 | "Ignoring", filename); | |
313 | return 0; | |
314 | } | |
315 | } | |
316 | ||
f579559b TG |
317 | network = NULL; |
318 | ||
319 | return 0; | |
320 | } | |
321 | ||
322 | int network_load(Manager *manager) { | |
323 | Network *network; | |
477e73b5 ZJS |
324 | _cleanup_strv_free_ char **files = NULL; |
325 | char **f; | |
f579559b TG |
326 | int r; |
327 | ||
328 | assert(manager); | |
329 | ||
330 | while ((network = manager->networks)) | |
331 | network_free(network); | |
332 | ||
b5084605 | 333 | r = conf_files_list_strv(&files, ".network", NULL, 0, network_dirs); |
f647962d MS |
334 | if (r < 0) |
335 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b TG |
336 | |
337 | STRV_FOREACH_BACKWARDS(f, files) { | |
338 | r = network_load_one(manager, *f); | |
339 | if (r < 0) | |
340 | return r; | |
341 | } | |
342 | ||
f579559b TG |
343 | return 0; |
344 | } | |
345 | ||
f579559b | 346 | void network_free(Network *network) { |
a0e5c15d | 347 | IPv6ProxyNDPAddress *ipv6_proxy_ndp_address; |
bce67bbe SS |
348 | RoutingPolicyRule *rule; |
349 | FdbEntry *fdb_entry; | |
95b74ef6 | 350 | AddressLabel *label; |
057abfd8 | 351 | Prefix *prefix; |
bce67bbe SS |
352 | Address *address; |
353 | NetDev *netdev; | |
354 | Route *route; | |
06f021a8 | 355 | Iterator i; |
f579559b TG |
356 | |
357 | if (!network) | |
358 | return; | |
359 | ||
360 | free(network->filename); | |
361 | ||
362 | free(network->match_mac); | |
5256e00e TG |
363 | strv_free(network->match_path); |
364 | strv_free(network->match_driver); | |
365 | strv_free(network->match_type); | |
366 | strv_free(network->match_name); | |
f579559b TG |
367 | |
368 | free(network->description); | |
edb85f0d | 369 | free(network->dhcp_vendor_class_identifier); |
27cb34f5 | 370 | free(network->dhcp_hostname); |
f579559b | 371 | |
c106cc36 TG |
372 | free(network->mac); |
373 | ||
b0e39c82 | 374 | strv_free(network->ntp); |
5512a963 | 375 | free(network->dns); |
3df9bec5 LP |
376 | strv_free(network->search_domains); |
377 | strv_free(network->route_domains); | |
0d4ad91d | 378 | strv_free(network->bind_carrier); |
3bef724f | 379 | |
47e2dc31 | 380 | netdev_unref(network->bridge); |
47e2dc31 | 381 | netdev_unref(network->bond); |
6cb955c6 | 382 | netdev_unref(network->vrf); |
47e2dc31 | 383 | |
2c36be2f TG |
384 | HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) { |
385 | hashmap_remove(network->stacked_netdevs, netdev->ifname); | |
326cb406 | 386 | netdev_unref(netdev); |
2c36be2f | 387 | } |
6a0a2f86 | 388 | hashmap_free(network->stacked_netdevs); |
326cb406 | 389 | |
f048a16b | 390 | while ((route = network->static_routes)) |
f579559b TG |
391 | route_free(route); |
392 | ||
f048a16b | 393 | while ((address = network->static_addresses)) |
f579559b TG |
394 | address_free(address); |
395 | ||
b98b483b AR |
396 | while ((fdb_entry = network->static_fdb_entries)) |
397 | fdb_entry_free(fdb_entry); | |
398 | ||
a0e5c15d FK |
399 | while ((ipv6_proxy_ndp_address = network->ipv6_proxy_ndp_addresses)) |
400 | ipv6_proxy_ndp_address_free(ipv6_proxy_ndp_address); | |
401 | ||
95b74ef6 SS |
402 | while ((label = network->address_labels)) |
403 | address_label_free(label); | |
404 | ||
057abfd8 PF |
405 | while ((prefix = network->static_prefixes)) |
406 | prefix_free(prefix); | |
407 | ||
bce67bbe SS |
408 | while ((rule = network->rules)) |
409 | routing_policy_rule_free(rule); | |
410 | ||
6ae115c1 TG |
411 | hashmap_free(network->addresses_by_section); |
412 | hashmap_free(network->routes_by_section); | |
b98b483b | 413 | hashmap_free(network->fdb_entries_by_section); |
95b74ef6 | 414 | hashmap_free(network->address_labels_by_section); |
057abfd8 | 415 | hashmap_free(network->prefixes_by_section); |
bce67bbe | 416 | hashmap_free(network->rules_by_section); |
6ae115c1 | 417 | |
dbffab87 TG |
418 | if (network->manager) { |
419 | if (network->manager->networks) | |
420 | LIST_REMOVE(networks, network->manager->networks, network); | |
421 | ||
422 | if (network->manager->networks_by_name) | |
423 | hashmap_remove(network->manager->networks_by_name, network->name); | |
424 | } | |
425 | ||
426 | free(network->name); | |
f579559b | 427 | |
79e16ce3 LP |
428 | condition_free_list(network->match_host); |
429 | condition_free_list(network->match_virt); | |
430 | condition_free_list(network->match_kernel); | |
431 | condition_free_list(network->match_arch); | |
432 | ||
8eb9058d | 433 | free(network->dhcp_server_timezone); |
1a04db0f LP |
434 | free(network->dhcp_server_dns); |
435 | free(network->dhcp_server_ntp); | |
8eb9058d | 436 | |
8a516214 LP |
437 | set_free_free(network->dnssec_negative_trust_anchors); |
438 | ||
f579559b TG |
439 | free(network); |
440 | } | |
441 | ||
dbffab87 TG |
442 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
443 | Network *network; | |
444 | ||
445 | assert(manager); | |
446 | assert(name); | |
447 | assert(ret); | |
448 | ||
449 | network = hashmap_get(manager->networks_by_name, name); | |
450 | if (!network) | |
451 | return -ENOENT; | |
452 | ||
453 | *ret = network; | |
454 | ||
455 | return 0; | |
456 | } | |
457 | ||
505f8da7 TG |
458 | int network_get(Manager *manager, struct udev_device *device, |
459 | const char *ifname, const struct ether_addr *address, | |
460 | Network **ret) { | |
f579559b | 461 | Network *network; |
af3aa302 | 462 | struct udev_device *parent; |
24c083df | 463 | const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL; |
f579559b TG |
464 | |
465 | assert(manager); | |
f579559b | 466 | assert(ret); |
af3aa302 | 467 | |
24c083df TG |
468 | if (device) { |
469 | path = udev_device_get_property_value(device, "ID_PATH"); | |
af3aa302 | 470 | |
24c083df TG |
471 | parent = udev_device_get_parent(device); |
472 | if (parent) | |
473 | parent_driver = udev_device_get_driver(parent); | |
af3aa302 | 474 | |
24c083df | 475 | driver = udev_device_get_property_value(device, "ID_NET_DRIVER"); |
af3aa302 | 476 | |
24c083df TG |
477 | devtype = udev_device_get_devtype(device); |
478 | } | |
f579559b | 479 | |
f579559b TG |
480 | LIST_FOREACH(networks, network, manager->networks) { |
481 | if (net_match_config(network->match_mac, network->match_path, | |
505f8da7 TG |
482 | network->match_driver, network->match_type, |
483 | network->match_name, network->match_host, | |
484 | network->match_virt, network->match_kernel, | |
485 | network->match_arch, | |
af3aa302 TG |
486 | address, path, parent_driver, driver, |
487 | devtype, ifname)) { | |
24c083df | 488 | if (network->match_name && device) { |
ca6038b8 TG |
489 | const char *attr; |
490 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
491 | ||
32bc8adc | 492 | attr = udev_device_get_sysattr_value(device, "name_assign_type"); |
285760fe | 493 | if (attr) |
dc751688 | 494 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
495 | |
496 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
497 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
498 | ifname, network->filename); | |
32bc8adc | 499 | else |
a2fae7bb | 500 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 501 | } else |
a2fae7bb | 502 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 503 | |
f579559b TG |
504 | *ret = network; |
505 | return 0; | |
506 | } | |
507 | } | |
508 | ||
509 | *ret = NULL; | |
510 | ||
511 | return -ENOENT; | |
512 | } | |
513 | ||
7d342c03 | 514 | int network_apply(Network *network, Link *link) { |
f579559b TG |
515 | int r; |
516 | ||
c4a03a56 TG |
517 | assert(network); |
518 | assert(link); | |
519 | ||
f579559b TG |
520 | link->network = network; |
521 | ||
bfa695b5 TG |
522 | if (network->ipv4ll_route) { |
523 | Route *route; | |
524 | ||
0b180d75 | 525 | r = route_new_static(network, NULL, 0, &route); |
bfa695b5 TG |
526 | if (r < 0) |
527 | return r; | |
528 | ||
2ce40956 | 529 | r = inet_pton(AF_INET, "169.254.0.0", &route->dst.in); |
bfa695b5 TG |
530 | if (r == 0) |
531 | return -EINVAL; | |
532 | if (r < 0) | |
533 | return -errno; | |
534 | ||
535 | route->family = AF_INET; | |
536 | route->dst_prefixlen = 16; | |
537 | route->scope = RT_SCOPE_LINK; | |
86655331 | 538 | route->priority = IPV4LL_ROUTE_METRIC; |
bfa695b5 TG |
539 | route->protocol = RTPROT_STATIC; |
540 | } | |
541 | ||
5512a963 | 542 | if (network->n_dns > 0 || |
3df9bec5 LP |
543 | !strv_isempty(network->ntp) || |
544 | !strv_isempty(network->search_domains) || | |
2ad6b610 | 545 | !strv_isempty(network->route_domains)) |
84de38c5 | 546 | link_dirty(link); |
3bef724f | 547 | |
f579559b TG |
548 | return 0; |
549 | } | |
02b59d57 | 550 | |
439689c6 SS |
551 | bool network_has_static_ipv6_addresses(Network *network) { |
552 | Address *address; | |
553 | ||
554 | assert(network); | |
555 | ||
556 | LIST_FOREACH(addresses, address, network->static_addresses) { | |
557 | if (address->family == AF_INET6) | |
558 | return true; | |
559 | } | |
560 | ||
561 | return false; | |
562 | } | |
563 | ||
69a93e7d | 564 | int config_parse_netdev(const char *unit, |
02b59d57 TG |
565 | const char *filename, |
566 | unsigned line, | |
567 | const char *section, | |
568 | unsigned section_line, | |
569 | const char *lvalue, | |
570 | int ltype, | |
571 | const char *rvalue, | |
572 | void *data, | |
573 | void *userdata) { | |
574 | Network *network = userdata; | |
31d0ac36 TG |
575 | _cleanup_free_ char *kind_string = NULL; |
576 | char *p; | |
1a436809 | 577 | NetDev *netdev; |
69a93e7d | 578 | NetDevKind kind; |
02b59d57 TG |
579 | int r; |
580 | ||
581 | assert(filename); | |
582 | assert(lvalue); | |
583 | assert(rvalue); | |
584 | assert(data); | |
585 | ||
69a93e7d TG |
586 | kind_string = strdup(lvalue); |
587 | if (!kind_string) | |
588 | return log_oom(); | |
52433f6b | 589 | |
69a93e7d TG |
590 | /* the keys are CamelCase versions of the kind */ |
591 | for (p = kind_string; *p; p++) | |
592 | *p = tolower(*p); | |
52433f6b | 593 | |
69a93e7d TG |
594 | kind = netdev_kind_from_string(kind_string); |
595 | if (kind == _NETDEV_KIND_INVALID) { | |
12ca818f | 596 | log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid NetDev kind: %s", lvalue); |
52433f6b TG |
597 | return 0; |
598 | } | |
599 | ||
54abf461 TG |
600 | r = netdev_get(network->manager, rvalue, &netdev); |
601 | if (r < 0) { | |
12ca818f | 602 | log_syntax(unit, LOG_ERR, filename, line, r, "%s could not be found, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
603 | return 0; |
604 | } | |
605 | ||
69a93e7d | 606 | if (netdev->kind != kind) { |
12ca818f | 607 | log_syntax(unit, LOG_ERR, filename, line, 0, "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
608 | return 0; |
609 | } | |
610 | ||
69a93e7d TG |
611 | switch (kind) { |
612 | case NETDEV_KIND_BRIDGE: | |
613 | network->bridge = netdev; | |
54abf461 | 614 | |
69a93e7d TG |
615 | break; |
616 | case NETDEV_KIND_BOND: | |
617 | network->bond = netdev; | |
fe6b2d55 | 618 | |
6cb955c6 AR |
619 | break; |
620 | case NETDEV_KIND_VRF: | |
621 | network->vrf = netdev; | |
622 | ||
69a93e7d TG |
623 | break; |
624 | case NETDEV_KIND_VLAN: | |
69a93e7d | 625 | case NETDEV_KIND_MACVLAN: |
f33ff02b | 626 | case NETDEV_KIND_MACVTAP: |
c4a5ddc9 | 627 | case NETDEV_KIND_IPVLAN: |
326cb406 | 628 | case NETDEV_KIND_VXLAN: |
92c918b0 | 629 | case NETDEV_KIND_VCAN: |
6a0a2f86 | 630 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
326cb406 | 631 | if (r < 0) { |
a4820c46 | 632 | log_syntax(unit, LOG_ERR, filename, line, r, "Can not add NetDev '%s' to network: %m", rvalue); |
326cb406 SS |
633 | return 0; |
634 | } | |
635 | ||
69a93e7d TG |
636 | break; |
637 | default: | |
638 | assert_not_reached("Can not parse NetDev"); | |
fe6b2d55 TG |
639 | } |
640 | ||
47e2dc31 TG |
641 | netdev_ref(netdev); |
642 | ||
fe6b2d55 TG |
643 | return 0; |
644 | } | |
7951dea2 | 645 | |
3df9bec5 LP |
646 | int config_parse_domains( |
647 | const char *unit, | |
648 | const char *filename, | |
649 | unsigned line, | |
650 | const char *section, | |
651 | unsigned section_line, | |
652 | const char *lvalue, | |
653 | int ltype, | |
654 | const char *rvalue, | |
655 | void *data, | |
656 | void *userdata) { | |
657 | ||
658 | const char *p; | |
659 | Network *n = data; | |
6192b846 TG |
660 | int r; |
661 | ||
3df9bec5 LP |
662 | assert(n); |
663 | assert(lvalue); | |
664 | assert(rvalue); | |
6192b846 | 665 | |
3df9bec5 LP |
666 | if (isempty(rvalue)) { |
667 | n->search_domains = strv_free(n->search_domains); | |
668 | n->route_domains = strv_free(n->route_domains); | |
669 | return 0; | |
670 | } | |
67272d15 | 671 | |
3df9bec5 LP |
672 | p = rvalue; |
673 | for (;;) { | |
674 | _cleanup_free_ char *w = NULL, *normalized = NULL; | |
675 | const char *domain; | |
676 | bool is_route; | |
677 | ||
678 | r = extract_first_word(&p, &w, NULL, 0); | |
679 | if (r < 0) { | |
680 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract search or route domain, ignoring: %s", rvalue); | |
681 | break; | |
682 | } | |
683 | if (r == 0) | |
684 | break; | |
685 | ||
686 | is_route = w[0] == '~'; | |
687 | domain = is_route ? w + 1 : w; | |
688 | ||
689 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
690 | /* If the root domain appears as is, or the special token "*" is found, we'll consider this as | |
691 | * routing domain, unconditionally. */ | |
692 | is_route = true; | |
693 | domain = "."; /* make sure we don't allow empty strings, thus write the root domain as "." */ | |
694 | ||
695 | } else { | |
696 | r = dns_name_normalize(domain, &normalized); | |
697 | if (r < 0) { | |
698 | log_syntax(unit, LOG_ERR, filename, line, r, "'%s' is not a valid domain name, ignoring.", domain); | |
699 | continue; | |
700 | } | |
701 | ||
702 | domain = normalized; | |
703 | ||
704 | if (is_localhost(domain)) { | |
705 | 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 | 706 | continue; |
3df9bec5 | 707 | } |
37de2509 | 708 | } |
40274ed6 | 709 | |
3df9bec5 LP |
710 | if (is_route) { |
711 | r = strv_extend(&n->route_domains, domain); | |
712 | if (r < 0) | |
713 | return log_oom(); | |
40274ed6 | 714 | |
3df9bec5 LP |
715 | } else { |
716 | r = strv_extend(&n->search_domains, domain); | |
717 | if (r < 0) | |
718 | return log_oom(); | |
719 | } | |
40274ed6 | 720 | } |
f15b6e5a | 721 | |
3df9bec5 LP |
722 | strv_uniq(n->route_domains); |
723 | strv_uniq(n->search_domains); | |
724 | ||
6192b846 TG |
725 | return 0; |
726 | } | |
727 | ||
7951dea2 SS |
728 | int config_parse_tunnel(const char *unit, |
729 | const char *filename, | |
730 | unsigned line, | |
731 | const char *section, | |
732 | unsigned section_line, | |
733 | const char *lvalue, | |
734 | int ltype, | |
735 | const char *rvalue, | |
736 | void *data, | |
737 | void *userdata) { | |
738 | Network *network = userdata; | |
739 | NetDev *netdev; | |
740 | int r; | |
741 | ||
742 | assert(filename); | |
743 | assert(lvalue); | |
744 | assert(rvalue); | |
745 | assert(data); | |
746 | ||
747 | r = netdev_get(network->manager, rvalue, &netdev); | |
748 | if (r < 0) { | |
6a7a4e4d | 749 | log_syntax(unit, LOG_ERR, filename, line, r, "Tunnel is invalid, ignoring assignment: %s", rvalue); |
7951dea2 SS |
750 | return 0; |
751 | } | |
752 | ||
d29ad81e ZJS |
753 | if (!IN_SET(netdev->kind, |
754 | NETDEV_KIND_IPIP, | |
755 | NETDEV_KIND_SIT, | |
756 | NETDEV_KIND_GRE, | |
757 | NETDEV_KIND_GRETAP, | |
758 | NETDEV_KIND_IP6GRE, | |
759 | NETDEV_KIND_IP6GRETAP, | |
760 | NETDEV_KIND_VTI, | |
761 | NETDEV_KIND_VTI6, | |
762 | NETDEV_KIND_IP6TNL)) { | |
12ca818f | 763 | log_syntax(unit, LOG_ERR, filename, line, 0, |
7951dea2 SS |
764 | "NetDev is not a tunnel, ignoring assignment: %s", rvalue); |
765 | return 0; | |
766 | } | |
767 | ||
6a0a2f86 TG |
768 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
769 | if (r < 0) { | |
6a7a4e4d | 770 | log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue); |
6a0a2f86 TG |
771 | return 0; |
772 | } | |
773 | ||
774 | netdev_ref(netdev); | |
7951dea2 SS |
775 | |
776 | return 0; | |
777 | } | |
bd8f6538 | 778 | |
d0d6a4cd TG |
779 | int config_parse_ipv4ll( |
780 | const char* unit, | |
781 | const char *filename, | |
782 | unsigned line, | |
783 | const char *section, | |
784 | unsigned section_line, | |
785 | const char *lvalue, | |
786 | int ltype, | |
787 | const char *rvalue, | |
788 | void *data, | |
789 | void *userdata) { | |
790 | ||
791 | AddressFamilyBoolean *link_local = data; | |
792 | ||
793 | assert(filename); | |
794 | assert(lvalue); | |
795 | assert(rvalue); | |
796 | assert(data); | |
797 | ||
798 | /* Note that this is mostly like | |
799 | * config_parse_address_family_boolean(), except that it | |
800 | * applies only to IPv4 */ | |
801 | ||
5883ff60 | 802 | SET_FLAG(*link_local, ADDRESS_FAMILY_IPV4, parse_boolean(rvalue)); |
d0d6a4cd TG |
803 | |
804 | return 0; | |
805 | } | |
806 | ||
bd8f6538 TG |
807 | int config_parse_dhcp( |
808 | const char* unit, | |
809 | const char *filename, | |
810 | unsigned line, | |
811 | const char *section, | |
812 | unsigned section_line, | |
813 | const char *lvalue, | |
814 | int ltype, | |
815 | const char *rvalue, | |
816 | void *data, | |
817 | void *userdata) { | |
818 | ||
cb9fc36a | 819 | AddressFamilyBoolean *dhcp = data, s; |
bd8f6538 TG |
820 | |
821 | assert(filename); | |
822 | assert(lvalue); | |
823 | assert(rvalue); | |
824 | assert(data); | |
825 | ||
769d324c LP |
826 | /* Note that this is mostly like |
827 | * config_parse_address_family_boolean(), except that it | |
828 | * understands some old names for the enum values */ | |
829 | ||
cb9fc36a LP |
830 | s = address_family_boolean_from_string(rvalue); |
831 | if (s < 0) { | |
832 | ||
833 | /* Previously, we had a slightly different enum here, | |
834 | * support its values for compatbility. */ | |
835 | ||
836 | if (streq(rvalue, "none")) | |
837 | s = ADDRESS_FAMILY_NO; | |
838 | else if (streq(rvalue, "v4")) | |
839 | s = ADDRESS_FAMILY_IPV4; | |
840 | else if (streq(rvalue, "v6")) | |
841 | s = ADDRESS_FAMILY_IPV6; | |
842 | else if (streq(rvalue, "both")) | |
843 | s = ADDRESS_FAMILY_YES; | |
844 | else { | |
12ca818f | 845 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DHCP option, ignoring: %s", rvalue); |
bd8f6538 TG |
846 | return 0; |
847 | } | |
bd8f6538 TG |
848 | } |
849 | ||
cb9fc36a | 850 | *dhcp = s; |
bd8f6538 TG |
851 | return 0; |
852 | } | |
853 | ||
3e43b2cd JJ |
854 | static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = { |
855 | [DHCP_CLIENT_ID_MAC] = "mac", | |
856 | [DHCP_CLIENT_ID_DUID] = "duid" | |
857 | }; | |
858 | ||
499d555a SS |
859 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DHCPClientIdentifier); |
860 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DHCPClientIdentifier, "Failed to parse client identifier type"); | |
3e43b2cd | 861 | |
60c35566 | 862 | int config_parse_ipv6token( |
7f77697a TG |
863 | const char* unit, |
864 | const char *filename, | |
865 | unsigned line, | |
866 | const char *section, | |
867 | unsigned section_line, | |
868 | const char *lvalue, | |
869 | int ltype, | |
870 | const char *rvalue, | |
871 | void *data, | |
872 | void *userdata) { | |
873 | ||
874 | union in_addr_union buffer; | |
875 | struct in6_addr *token = data; | |
876 | int r; | |
877 | ||
878 | assert(filename); | |
879 | assert(lvalue); | |
880 | assert(rvalue); | |
881 | assert(token); | |
882 | ||
883 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
884 | if (r < 0) { | |
6a7a4e4d | 885 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
886 | return 0; |
887 | } | |
888 | ||
889 | r = in_addr_is_null(AF_INET6, &buffer); | |
12ca818f | 890 | if (r != 0) { |
6a7a4e4d | 891 | log_syntax(unit, LOG_ERR, filename, line, r, "IPv6 token can not be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
892 | return 0; |
893 | } | |
894 | ||
895 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
12ca818f | 896 | log_syntax(unit, LOG_ERR, filename, line, 0, "IPv6 token can not be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
897 | return 0; |
898 | } | |
899 | ||
900 | *token = buffer.in6; | |
901 | ||
902 | return 0; | |
903 | } | |
8add5f79 | 904 | |
49092e22 | 905 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
906 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
907 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
908 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
909 | }; |
910 | ||
911 | DEFINE_STRING_TABLE_LOOKUP(ipv6_privacy_extensions, IPv6PrivacyExtensions); | |
912 | ||
913 | int config_parse_ipv6_privacy_extensions( | |
914 | const char* unit, | |
915 | const char *filename, | |
916 | unsigned line, | |
917 | const char *section, | |
918 | unsigned section_line, | |
919 | const char *lvalue, | |
920 | int ltype, | |
921 | const char *rvalue, | |
922 | void *data, | |
923 | void *userdata) { | |
924 | ||
925 | IPv6PrivacyExtensions *ipv6_privacy_extensions = data; | |
926 | int k; | |
927 | ||
928 | assert(filename); | |
929 | assert(lvalue); | |
930 | assert(rvalue); | |
931 | assert(ipv6_privacy_extensions); | |
932 | ||
933 | /* Our enum shall be a superset of booleans, hence first try | |
934 | * to parse as boolean, and then as enum */ | |
935 | ||
936 | k = parse_boolean(rvalue); | |
937 | if (k > 0) | |
1f0d9695 | 938 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_YES; |
49092e22 | 939 | else if (k == 0) |
1f0d9695 | 940 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
49092e22 | 941 | else { |
1f0d9695 | 942 | IPv6PrivacyExtensions s; |
49092e22 SS |
943 | |
944 | s = ipv6_privacy_extensions_from_string(rvalue); | |
1f0d9695 LP |
945 | if (s < 0) { |
946 | ||
947 | if (streq(rvalue, "kernel")) | |
948 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
949 | else { | |
12ca818f | 950 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1f0d9695 LP |
951 | return 0; |
952 | } | |
49092e22 SS |
953 | } |
954 | ||
955 | *ipv6_privacy_extensions = s; | |
956 | } | |
957 | ||
958 | return 0; | |
959 | } | |
a7d0ef44 | 960 | |
1ac608c9 LP |
961 | int config_parse_hostname( |
962 | const char *unit, | |
963 | const char *filename, | |
964 | unsigned line, | |
965 | const char *section, | |
966 | unsigned section_line, | |
967 | const char *lvalue, | |
968 | int ltype, | |
969 | const char *rvalue, | |
970 | void *data, | |
971 | void *userdata) { | |
972 | ||
973 | char **hostname = data, *hn = NULL; | |
a7d0ef44 SS |
974 | int r; |
975 | ||
976 | assert(filename); | |
977 | assert(lvalue); | |
978 | assert(rvalue); | |
979 | ||
1ac608c9 | 980 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
981 | if (r < 0) |
982 | return r; | |
983 | ||
1ac608c9 | 984 | if (!hostname_is_valid(hn, false)) { |
12ca818f | 985 | log_syntax(unit, LOG_ERR, filename, line, 0, "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
986 | free(hn); |
987 | return 0; | |
988 | } | |
989 | ||
1ac608c9 | 990 | free(*hostname); |
ae691c1d | 991 | *hostname = hostname_cleanup(hn); |
a7d0ef44 SS |
992 | return 0; |
993 | } | |
8eb9058d LP |
994 | |
995 | int config_parse_timezone( | |
996 | const char *unit, | |
997 | const char *filename, | |
998 | unsigned line, | |
999 | const char *section, | |
1000 | unsigned section_line, | |
1001 | const char *lvalue, | |
1002 | int ltype, | |
1003 | const char *rvalue, | |
1004 | void *data, | |
1005 | void *userdata) { | |
1006 | ||
64d6c229 | 1007 | char **datap = data, *tz = NULL; |
8eb9058d LP |
1008 | int r; |
1009 | ||
1010 | assert(filename); | |
1011 | assert(lvalue); | |
1012 | assert(rvalue); | |
1013 | ||
1014 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1015 | if (r < 0) | |
1016 | return r; | |
1017 | ||
1018 | if (!timezone_is_valid(tz)) { | |
12ca818f | 1019 | log_syntax(unit, LOG_ERR, filename, line, 0, "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1020 | free(tz); |
1021 | return 0; | |
1022 | } | |
1023 | ||
64d6c229 TA |
1024 | free(*datap); |
1025 | *datap = tz; | |
8eb9058d LP |
1026 | |
1027 | return 0; | |
1028 | } | |
1a04db0f LP |
1029 | |
1030 | int config_parse_dhcp_server_dns( | |
1031 | const char *unit, | |
1032 | const char *filename, | |
1033 | unsigned line, | |
1034 | const char *section, | |
1035 | unsigned section_line, | |
1036 | const char *lvalue, | |
1037 | int ltype, | |
1038 | const char *rvalue, | |
1039 | void *data, | |
1040 | void *userdata) { | |
1041 | ||
1042 | Network *n = data; | |
1043 | const char *p = rvalue; | |
1044 | int r; | |
1045 | ||
1046 | assert(filename); | |
1047 | assert(lvalue); | |
1048 | assert(rvalue); | |
1049 | ||
1050 | for (;;) { | |
1051 | _cleanup_free_ char *w = NULL; | |
1052 | struct in_addr a, *m; | |
1053 | ||
1054 | r = extract_first_word(&p, &w, NULL, 0); | |
fa105ce6 LP |
1055 | if (r == -ENOMEM) |
1056 | return log_oom(); | |
1a04db0f LP |
1057 | if (r < 0) { |
1058 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1059 | return 0; | |
1060 | } | |
1a04db0f | 1061 | if (r == 0) |
fa105ce6 | 1062 | break; |
1a04db0f LP |
1063 | |
1064 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 1065 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); |
1a04db0f LP |
1066 | continue; |
1067 | } | |
1068 | ||
1069 | m = realloc(n->dhcp_server_dns, (n->n_dhcp_server_dns + 1) * sizeof(struct in_addr)); | |
1070 | if (!m) | |
1071 | return log_oom(); | |
1072 | ||
1073 | m[n->n_dhcp_server_dns++] = a; | |
1074 | n->dhcp_server_dns = m; | |
1075 | } | |
fa105ce6 | 1076 | |
88295a05 PF |
1077 | return 0; |
1078 | } | |
1079 | ||
1080 | int config_parse_radv_dns( | |
1081 | const char *unit, | |
1082 | const char *filename, | |
1083 | unsigned line, | |
1084 | const char *section, | |
1085 | unsigned section_line, | |
1086 | const char *lvalue, | |
1087 | int ltype, | |
1088 | const char *rvalue, | |
1089 | void *data, | |
1090 | void *userdata) { | |
1091 | ||
1092 | Network *n = data; | |
1093 | const char *p = rvalue; | |
1094 | int r; | |
1095 | ||
1096 | assert(filename); | |
1097 | assert(lvalue); | |
1098 | assert(rvalue); | |
1099 | ||
1100 | for (;;) { | |
1101 | _cleanup_free_ char *w = NULL; | |
1102 | union in_addr_union a; | |
1103 | ||
1104 | r = extract_first_word(&p, &w, NULL, 0); | |
1105 | if (r == -ENOMEM) | |
1106 | return log_oom(); | |
1107 | if (r < 0) { | |
1108 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1109 | return 0; | |
1110 | } | |
1111 | if (r == 0) | |
1112 | break; | |
1113 | ||
1114 | if (in_addr_from_string(AF_INET6, w, &a) >= 0) { | |
1115 | struct in6_addr *m; | |
1116 | ||
1117 | m = realloc(n->router_dns, (n->n_router_dns + 1) * sizeof(struct in6_addr)); | |
1118 | if (!m) | |
1119 | return log_oom(); | |
1120 | ||
1121 | m[n->n_router_dns++] = a.in6; | |
1122 | n->router_dns = m; | |
1123 | ||
1124 | } else | |
1125 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); | |
1126 | ||
1127 | } | |
1128 | ||
700f1186 PF |
1129 | return 0; |
1130 | } | |
1131 | ||
1132 | int config_parse_radv_search_domains( | |
1133 | const char *unit, | |
1134 | const char *filename, | |
1135 | unsigned line, | |
1136 | const char *section, | |
1137 | unsigned section_line, | |
1138 | const char *lvalue, | |
1139 | int ltype, | |
1140 | const char *rvalue, | |
1141 | void *data, | |
1142 | void *userdata) { | |
1143 | ||
1144 | Network *n = data; | |
1145 | const char *p = rvalue; | |
1146 | int r; | |
1147 | ||
1148 | assert(filename); | |
1149 | assert(lvalue); | |
1150 | assert(rvalue); | |
1151 | ||
1152 | for (;;) { | |
1153 | _cleanup_free_ char *w = NULL; | |
1154 | _cleanup_free_ char *idna = NULL; | |
1155 | ||
1156 | r = extract_first_word(&p, &w, NULL, 0); | |
1157 | if (r == -ENOMEM) | |
1158 | return log_oom(); | |
1159 | if (r < 0) { | |
1160 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1161 | return 0; | |
1162 | } | |
1163 | if (r == 0) | |
1164 | break; | |
1165 | ||
1166 | r = dns_name_apply_idna(w, &idna); | |
1167 | if (r > 0) { | |
1168 | r = strv_push(&n->router_search_domains, idna); | |
1169 | if (r >= 0) | |
1170 | idna = NULL; | |
1171 | } else if (r == 0) { | |
1172 | r = strv_push(&n->router_search_domains, w); | |
1173 | if (r >= 0) | |
1174 | w = NULL; | |
1175 | } | |
1176 | } | |
1177 | ||
fa105ce6 | 1178 | return 0; |
1a04db0f LP |
1179 | } |
1180 | ||
1181 | int config_parse_dhcp_server_ntp( | |
1182 | const char *unit, | |
1183 | const char *filename, | |
1184 | unsigned line, | |
1185 | const char *section, | |
1186 | unsigned section_line, | |
1187 | const char *lvalue, | |
1188 | int ltype, | |
1189 | const char *rvalue, | |
1190 | void *data, | |
1191 | void *userdata) { | |
1192 | ||
1193 | Network *n = data; | |
1194 | const char *p = rvalue; | |
1195 | int r; | |
1196 | ||
1197 | assert(filename); | |
1198 | assert(lvalue); | |
1199 | assert(rvalue); | |
1200 | ||
1201 | for (;;) { | |
1202 | _cleanup_free_ char *w = NULL; | |
1203 | struct in_addr a, *m; | |
1204 | ||
1205 | r = extract_first_word(&p, &w, NULL, 0); | |
fa105ce6 LP |
1206 | if (r == -ENOMEM) |
1207 | return log_oom(); | |
1a04db0f | 1208 | if (r < 0) { |
12ca818f | 1209 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); |
1a04db0f LP |
1210 | return 0; |
1211 | } | |
1a04db0f LP |
1212 | if (r == 0) |
1213 | return 0; | |
1214 | ||
1215 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 1216 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse NTP server address, ignoring: %s", w); |
1a04db0f LP |
1217 | continue; |
1218 | } | |
1219 | ||
1220 | m = realloc(n->dhcp_server_ntp, (n->n_dhcp_server_ntp + 1) * sizeof(struct in_addr)); | |
1221 | if (!m) | |
1222 | return log_oom(); | |
1223 | ||
1224 | m[n->n_dhcp_server_ntp++] = a; | |
1225 | n->dhcp_server_ntp = m; | |
1226 | } | |
1227 | } | |
8a516214 | 1228 | |
53253824 SS |
1229 | int config_parse_dns( |
1230 | const char *unit, | |
1231 | const char *filename, | |
1232 | unsigned line, | |
1233 | const char *section, | |
1234 | unsigned section_line, | |
1235 | const char *lvalue, | |
1236 | int ltype, | |
1237 | const char *rvalue, | |
1238 | void *data, | |
1239 | void *userdata) { | |
1240 | ||
1241 | Network *n = userdata; | |
1242 | int r; | |
1243 | ||
1244 | assert(filename); | |
1245 | assert(lvalue); | |
1246 | assert(rvalue); | |
1247 | ||
1248 | for (;;) { | |
1249 | _cleanup_free_ char *w = NULL; | |
1250 | union in_addr_union a; | |
5512a963 | 1251 | struct in_addr_data *m; |
53253824 SS |
1252 | int family; |
1253 | ||
5512a963 | 1254 | r = extract_first_word(&rvalue, &w, NULL, 0); |
53253824 SS |
1255 | if (r == -ENOMEM) |
1256 | return log_oom(); | |
1257 | if (r < 0) { | |
1258 | log_syntax(unit, LOG_ERR, filename, line, r, "Invalid syntax, ignoring: %s", rvalue); | |
1259 | break; | |
1260 | } | |
5512a963 LP |
1261 | if (r == 0) |
1262 | break; | |
53253824 SS |
1263 | |
1264 | r = in_addr_from_string_auto(w, &family, &a); | |
1265 | if (r < 0) { | |
5512a963 | 1266 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1267 | continue; |
1268 | } | |
1269 | ||
5512a963 LP |
1270 | m = realloc(n->dns, (n->n_dns + 1) * sizeof(struct in_addr_data)); |
1271 | if (!m) | |
53253824 SS |
1272 | return log_oom(); |
1273 | ||
5512a963 LP |
1274 | m[n->n_dns++] = (struct in_addr_data) { |
1275 | .family = family, | |
1276 | .address = a, | |
1277 | }; | |
1278 | ||
1279 | n->dns = m; | |
53253824 SS |
1280 | } |
1281 | ||
1282 | return 0; | |
1283 | } | |
1284 | ||
8a516214 LP |
1285 | int config_parse_dnssec_negative_trust_anchors( |
1286 | const char *unit, | |
1287 | const char *filename, | |
1288 | unsigned line, | |
1289 | const char *section, | |
1290 | unsigned section_line, | |
1291 | const char *lvalue, | |
1292 | int ltype, | |
1293 | const char *rvalue, | |
1294 | void *data, | |
1295 | void *userdata) { | |
1296 | ||
1297 | const char *p = rvalue; | |
1298 | Network *n = data; | |
1299 | int r; | |
1300 | ||
3df9bec5 | 1301 | assert(n); |
8a516214 LP |
1302 | assert(lvalue); |
1303 | assert(rvalue); | |
1304 | ||
1305 | if (isempty(rvalue)) { | |
1306 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1307 | return 0; | |
1308 | } | |
1309 | ||
1310 | for (;;) { | |
1311 | _cleanup_free_ char *w = NULL; | |
1312 | ||
1313 | r = extract_first_word(&p, &w, NULL, 0); | |
1314 | if (r < 0) { | |
1315 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); | |
1316 | break; | |
1317 | } | |
1318 | if (r == 0) | |
1319 | break; | |
1320 | ||
1321 | r = dns_name_is_valid(w); | |
1322 | if (r <= 0) { | |
1323 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name, ignoring.", w); | |
1324 | continue; | |
1325 | } | |
1326 | ||
cbbf38ae LP |
1327 | r = set_ensure_allocated(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops); |
1328 | if (r < 0) | |
1329 | return log_oom(); | |
1330 | ||
8a516214 LP |
1331 | r = set_put(n->dnssec_negative_trust_anchors, w); |
1332 | if (r < 0) | |
1333 | return log_oom(); | |
1334 | if (r > 0) | |
1335 | w = NULL; | |
1336 | } | |
1337 | ||
1338 | return 0; | |
1339 | } | |
b2a81c0b | 1340 | |
26575990 LP |
1341 | int config_parse_ntp( |
1342 | const char *unit, | |
1343 | const char *filename, | |
1344 | unsigned line, | |
1345 | const char *section, | |
1346 | unsigned section_line, | |
1347 | const char *lvalue, | |
1348 | int ltype, | |
1349 | const char *rvalue, | |
1350 | void *data, | |
1351 | void *userdata) { | |
1352 | ||
1353 | char ***l = data; | |
1354 | int r; | |
1355 | ||
1356 | assert(l); | |
1357 | assert(lvalue); | |
1358 | assert(rvalue); | |
1359 | ||
1360 | if (isempty(rvalue)) { | |
1361 | *l = strv_free(*l); | |
1362 | return 0; | |
1363 | } | |
1364 | ||
1365 | for (;;) { | |
1366 | _cleanup_free_ char *w = NULL; | |
1367 | ||
1368 | r = extract_first_word(&rvalue, &w, NULL, 0); | |
1369 | if (r == -ENOMEM) | |
1370 | return log_oom(); | |
1371 | if (r < 0) { | |
1372 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract NTP server name, ignoring: %s", rvalue); | |
1373 | break; | |
1374 | } | |
1375 | if (r == 0) | |
1376 | break; | |
1377 | ||
1378 | r = dns_name_is_valid_or_address(w); | |
1379 | if (r <= 0) { | |
1380 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name or IP address, ignoring.", w); | |
1381 | continue; | |
1382 | } | |
1383 | ||
1384 | r = strv_push(l, w); | |
1385 | if (r < 0) | |
1386 | return log_oom(); | |
1387 | ||
1388 | w = NULL; | |
1389 | } | |
1390 | ||
1391 | return 0; | |
1392 | } | |
1393 | ||
f594276b JK |
1394 | int config_parse_dhcp_route_table(const char *unit, |
1395 | const char *filename, | |
1396 | unsigned line, | |
1397 | const char *section, | |
1398 | unsigned section_line, | |
1399 | const char *lvalue, | |
1400 | int ltype, | |
1401 | const char *rvalue, | |
1402 | void *data, | |
1403 | void *userdata) { | |
fc1ba79d | 1404 | Network *network = data; |
f594276b JK |
1405 | uint32_t rt; |
1406 | int r; | |
1407 | ||
1408 | assert(filename); | |
1409 | assert(lvalue); | |
1410 | assert(rvalue); | |
1411 | assert(data); | |
1412 | ||
1413 | r = safe_atou32(rvalue, &rt); | |
1414 | if (r < 0) { | |
1415 | log_syntax(unit, LOG_ERR, filename, line, r, | |
1416 | "Unable to read RouteTable, ignoring assignment: %s", rvalue); | |
1417 | return 0; | |
1418 | } | |
1419 | ||
fc1ba79d AR |
1420 | network->dhcp_route_table = rt; |
1421 | network->dhcp_route_table_set = true; | |
f594276b JK |
1422 | |
1423 | return 0; | |
1424 | } | |
1425 | ||
b2a81c0b LP |
1426 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_use_domains, dhcp_use_domains, DHCPUseDomains, "Failed to parse DHCP use domains setting"); |
1427 | ||
1428 | static const char* const dhcp_use_domains_table[_DHCP_USE_DOMAINS_MAX] = { | |
1429 | [DHCP_USE_DOMAINS_NO] = "no", | |
1430 | [DHCP_USE_DOMAINS_ROUTE] = "route", | |
1431 | [DHCP_USE_DOMAINS_YES] = "yes", | |
1432 | }; | |
1433 | ||
1434 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dhcp_use_domains, DHCPUseDomains, DHCP_USE_DOMAINS_YES); | |
34437b4f LP |
1435 | |
1436 | DEFINE_CONFIG_PARSE_ENUM(config_parse_lldp_mode, lldp_mode, LLDPMode, "Failed to parse LLDP= setting."); | |
1437 | ||
1438 | static const char* const lldp_mode_table[_LLDP_MODE_MAX] = { | |
1439 | [LLDP_MODE_NO] = "no", | |
1440 | [LLDP_MODE_YES] = "yes", | |
1441 | [LLDP_MODE_ROUTERS_ONLY] = "routers-only", | |
1442 | }; | |
1443 | ||
1444 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(lldp_mode, LLDPMode, LLDP_MODE_YES); |