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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 LP |
37 | #include "string-util.h" |
38 | #include "util.h" | |
f579559b | 39 | |
f4859fc7 SS |
40 | static void network_config_hash_func(const void *p, struct siphash *state) { |
41 | const NetworkConfigSection *c = p; | |
42 | ||
43 | siphash24_compress(c->filename, strlen(c->filename), state); | |
44 | siphash24_compress(&c->line, sizeof(c->line), state); | |
45 | } | |
46 | ||
47 | static int network_config_compare_func(const void *a, const void *b) { | |
48 | const NetworkConfigSection *x = a, *y = b; | |
49 | int r; | |
50 | ||
51 | r = strcmp(x->filename, y->filename); | |
52 | if (r != 0) | |
53 | return r; | |
54 | ||
55 | return y->line - x->line; | |
56 | } | |
57 | ||
58 | const struct hash_ops network_config_hash_ops = { | |
59 | .hash = network_config_hash_func, | |
60 | .compare = network_config_compare_func, | |
61 | }; | |
62 | ||
63 | int network_config_section_new(const char *filename, unsigned line, NetworkConfigSection **s) { | |
64 | NetworkConfigSection *cs; | |
65 | ||
66 | cs = malloc0(offsetof(NetworkConfigSection, filename) + strlen(filename) + 1); | |
67 | if (!cs) | |
68 | return -ENOMEM; | |
69 | ||
70 | strcpy(cs->filename, filename); | |
71 | cs->line = line; | |
72 | ||
73 | *s = cs; | |
74 | cs = NULL; | |
75 | ||
76 | return 0; | |
77 | } | |
78 | ||
79 | void network_config_section_free(NetworkConfigSection *cs) { | |
bce67bbe | 80 | free(cs); |
f4859fc7 SS |
81 | } |
82 | ||
add8d07d | 83 | /* Set defaults following RFC7844 */ |
84 | void network_apply_anonymize_if_set(Network *network) { | |
85 | if (!network->dhcp_anonymize) | |
86 | return; | |
87 | /* RFC7844 3.7 | |
88 | SHOULD NOT send the Host Name option */ | |
89 | network->dhcp_send_hostname = false; | |
90 | /* RFC7844 section 3.: | |
91 | MAY contain the Client Identifier option | |
92 | Section 3.5: | |
93 | clients MUST use client identifiers based solely | |
94 | on the link-layer address */ | |
95 | /* NOTE: Using MAC, as it does not reveal extra information, | |
96 | * and some servers might not answer if this option is not sent */ | |
97 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
98 | /* RFC 7844 3.10: | |
99 | SHOULD NOT use the Vendor Class Identifier option */ | |
100 | /* NOTE: it was not initiallized to any value in network_load_one. */ | |
101 | network->dhcp_vendor_class_identifier = false; | |
102 | /* RFC7844 section 3.6.: | |
103 | The client intending to protect its privacy SHOULD only request a | |
104 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
105 | the ordering of option codes in the PRL. If this random ordering | |
106 | cannot be implemented, the client MAY order the option codes in the | |
107 | PRL by option code number (lowest to highest). | |
108 | */ | |
109 | /* NOTE: dhcp_use_mtu is false by default, | |
110 | * though it was not initiallized to any value in network_load_one. | |
111 | * Maybe there should be another var called *send*? | |
112 | * (to use the MTU sent by the server but to do not send | |
113 | * the option in the PRL). */ | |
114 | network->dhcp_use_mtu = false; | |
115 | /* RFC7844 section 3.6. | |
116 | * same comments as previous option */ | |
117 | network->dhcp_use_routes = false; | |
118 | /* RFC7844 section 3.6. | |
119 | * same comments as previous option */ | |
120 | network->dhcp_use_timezone = false; | |
121 | } | |
122 | ||
f579559b TG |
123 | static int network_load_one(Manager *manager, const char *filename) { |
124 | _cleanup_network_free_ Network *network = NULL; | |
125 | _cleanup_fclose_ FILE *file = NULL; | |
dbffab87 | 126 | char *d; |
047a0dac | 127 | const char *dropin_dirname; |
b3070dc0 TG |
128 | Route *route; |
129 | Address *address; | |
f579559b TG |
130 | int r; |
131 | ||
bf1bc670 TA |
132 | assert(manager); |
133 | assert(filename); | |
134 | ||
f579559b TG |
135 | file = fopen(filename, "re"); |
136 | if (!file) { | |
137 | if (errno == ENOENT) | |
138 | return 0; | |
1e7a0e21 LP |
139 | |
140 | return -errno; | |
f579559b TG |
141 | } |
142 | ||
ed88bcfb ZJS |
143 | if (null_or_empty_fd(fileno(file))) { |
144 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
145 | return 0; |
146 | } | |
147 | ||
f579559b TG |
148 | network = new0(Network, 1); |
149 | if (!network) | |
150 | return log_oom(); | |
151 | ||
5a3eb5a7 TG |
152 | network->manager = manager; |
153 | ||
f048a16b TG |
154 | LIST_HEAD_INIT(network->static_addresses); |
155 | LIST_HEAD_INIT(network->static_routes); | |
b98b483b | 156 | LIST_HEAD_INIT(network->static_fdb_entries); |
a0e5c15d | 157 | LIST_HEAD_INIT(network->ipv6_proxy_ndp_addresses); |
95b74ef6 | 158 | LIST_HEAD_INIT(network->address_labels); |
057abfd8 | 159 | LIST_HEAD_INIT(network->static_prefixes); |
bce67bbe | 160 | LIST_HEAD_INIT(network->rules); |
f579559b | 161 | |
d5099efc | 162 | network->stacked_netdevs = hashmap_new(&string_hash_ops); |
6a0a2f86 | 163 | if (!network->stacked_netdevs) |
326cb406 SS |
164 | return log_oom(); |
165 | ||
f4859fc7 | 166 | network->addresses_by_section = hashmap_new(&network_config_hash_ops); |
6ae115c1 TG |
167 | if (!network->addresses_by_section) |
168 | return log_oom(); | |
169 | ||
f4859fc7 | 170 | network->routes_by_section = hashmap_new(&network_config_hash_ops); |
6ae115c1 TG |
171 | if (!network->routes_by_section) |
172 | return log_oom(); | |
173 | ||
b98b483b AR |
174 | network->fdb_entries_by_section = hashmap_new(NULL); |
175 | if (!network->fdb_entries_by_section) | |
176 | return log_oom(); | |
177 | ||
95b74ef6 SS |
178 | network->address_labels_by_section = hashmap_new(&network_config_hash_ops); |
179 | if (!network->address_labels_by_section) | |
057abfd8 PF |
180 | log_oom(); |
181 | ||
182 | network->prefixes_by_section = hashmap_new(&network_config_hash_ops); | |
183 | if (!network->prefixes_by_section) | |
95b74ef6 SS |
184 | return log_oom(); |
185 | ||
bce67bbe SS |
186 | network->rules_by_section = hashmap_new(&network_config_hash_ops); |
187 | if (!network->rules_by_section) | |
188 | return log_oom(); | |
189 | ||
6ae115c1 TG |
190 | network->filename = strdup(filename); |
191 | if (!network->filename) | |
192 | return log_oom(); | |
193 | ||
dbffab87 TG |
194 | network->name = strdup(basename(filename)); |
195 | if (!network->name) | |
196 | return log_oom(); | |
197 | ||
198 | d = strrchr(network->name, '.'); | |
199 | if (!d) | |
200 | return -EINVAL; | |
201 | ||
202 | assert(streq(d, ".network")); | |
203 | ||
204 | *d = '\0'; | |
205 | ||
cb9fc36a | 206 | network->dhcp = ADDRESS_FAMILY_NO; |
27cb34f5 LP |
207 | network->dhcp_use_ntp = true; |
208 | network->dhcp_use_dns = true; | |
209 | network->dhcp_use_hostname = true; | |
add8d07d | 210 | /* NOTE: this var might be overwriten by network_apply_anonymize_if_set */ |
27cb34f5 | 211 | network->dhcp_use_routes = true; |
add8d07d | 212 | /* NOTE: this var might be overwriten by network_apply_anonymize_if_set */ |
27cb34f5 | 213 | network->dhcp_send_hostname = true; |
add8d07d | 214 | /* To enable/disable RFC7844 Anonymity Profiles */ |
215 | network->dhcp_anonymize = false; | |
84b5b79a | 216 | network->dhcp_route_metric = DHCP_ROUTE_METRIC; |
add8d07d | 217 | /* NOTE: this var might be overwrite by network_apply_anonymize_if_set */ |
3e43b2cd | 218 | network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID; |
f594276b | 219 | network->dhcp_route_table = RT_TABLE_MAIN; |
add8d07d | 220 | /* NOTE: the following vars were not set to any default, |
221 | * even if they are commented in the man? | |
222 | * These vars might be overwriten by network_apply_anonymize_if_set */ | |
223 | network->dhcp_vendor_class_identifier = false; | |
224 | /* NOTE: from man: UseMTU=... Defaults to false*/ | |
225 | network->dhcp_use_mtu = false; | |
226 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ | |
227 | network->dhcp_use_timezone = false; | |
5be4d38e | 228 | |
539f2a73 LP |
229 | network->dhcp_server_emit_dns = true; |
230 | network->dhcp_server_emit_ntp = true; | |
77ff6022 | 231 | network->dhcp_server_emit_router = true; |
539f2a73 LP |
232 | network->dhcp_server_emit_timezone = true; |
233 | ||
84c34096 | 234 | network->use_bpdu = true; |
23da66bb | 235 | network->allow_port_to_be_root = true; |
072f9e4a | 236 | network->unicast_flood = true; |
b56be296 | 237 | network->priority = LINK_BRIDGE_PORT_PRIORITY_INVALID; |
84c34096 | 238 | |
7cececb2 LP |
239 | network->lldp_mode = LLDP_MODE_ROUTERS_ONLY; |
240 | ||
a7e5da6e | 241 | network->llmnr = RESOLVE_SUPPORT_YES; |
aaa297d4 | 242 | network->mdns = RESOLVE_SUPPORT_NO; |
ad6c0475 | 243 | network->dnssec_mode = _DNSSEC_MODE_INVALID; |
bd8f6538 | 244 | |
d0d6a4cd TG |
245 | network->link_local = ADDRESS_FAMILY_IPV6; |
246 | ||
1f0d9695 | 247 | network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
4f2e437a | 248 | network->ipv6_accept_ra = -1; |
8749cbcd | 249 | network->ipv6_dad_transmits = -1; |
b69c3180 | 250 | network->ipv6_hop_limit = -1; |
465dfe59 | 251 | network->ipv6_proxy_ndp = -1; |
8341a5c3 | 252 | network->duid.type = _DUID_TYPE_INVALID; |
23d8b221 | 253 | network->proxy_arp = -1; |
99d2baa2 | 254 | network->arp = -1; |
1e7a0e21 | 255 | network->ipv6_accept_ra_use_dns = true; |
2ba31d29 | 256 | network->ipv6_accept_ra_route_table = RT_TABLE_MAIN; |
49092e22 | 257 | |
23bb31aa ZJS |
258 | dropin_dirname = strjoina(network->name, ".network.d"); |
259 | ||
260 | r = config_parse_many(filename, network_dirs, dropin_dirname, | |
261 | "Match\0" | |
262 | "Link\0" | |
263 | "Network\0" | |
264 | "Address\0" | |
95b74ef6 | 265 | "IPv6AddressLabel\0" |
bce67bbe | 266 | "RoutingPolicyRule\0" |
23bb31aa ZJS |
267 | "Route\0" |
268 | "DHCP\0" | |
269 | "DHCPv4\0" /* compat */ | |
270 | "DHCPServer\0" | |
271 | "IPv6AcceptRA\0" | |
a0e5c15d | 272 | "IPv6NDPProxyAddress\0" |
23bb31aa ZJS |
273 | "Bridge\0" |
274 | "BridgeFDB\0" | |
9d5d0090 | 275 | "BridgeVLAN\0" |
7d5cac19 | 276 | "IPv6PrefixDelegation\0" |
9d5d0090 | 277 | "IPv6Prefix\0", |
23bb31aa ZJS |
278 | config_item_perf_lookup, network_network_gperf_lookup, |
279 | false, network); | |
36f822c4 | 280 | if (r < 0) |
f579559b | 281 | return r; |
f579559b | 282 | |
add8d07d | 283 | network_apply_anonymize_if_set(network); |
284 | ||
5a8bcb67 LP |
285 | /* IPMasquerade=yes implies IPForward=yes */ |
286 | if (network->ip_masquerade) | |
769d324c | 287 | network->ip_forward |= ADDRESS_FAMILY_IPV4; |
5a8bcb67 | 288 | |
f579559b | 289 | LIST_PREPEND(networks, manager->networks, network); |
b3070dc0 | 290 | |
dbffab87 TG |
291 | r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops); |
292 | if (r < 0) | |
293 | return r; | |
294 | ||
295 | r = hashmap_put(manager->networks_by_name, network->name, network); | |
296 | if (r < 0) | |
297 | return r; | |
298 | ||
3d3d4255 | 299 | LIST_FOREACH(routes, route, network->static_routes) { |
b3070dc0 TG |
300 | if (!route->family) { |
301 | log_warning("Route section without Gateway field configured in %s. " | |
302 | "Ignoring", filename); | |
303 | return 0; | |
304 | } | |
b3070dc0 TG |
305 | } |
306 | ||
3d3d4255 | 307 | LIST_FOREACH(addresses, address, network->static_addresses) { |
b3070dc0 TG |
308 | if (!address->family) { |
309 | log_warning("Address section without Address field configured in %s. " | |
310 | "Ignoring", filename); | |
311 | return 0; | |
312 | } | |
313 | } | |
314 | ||
f579559b TG |
315 | network = NULL; |
316 | ||
317 | return 0; | |
318 | } | |
319 | ||
320 | int network_load(Manager *manager) { | |
321 | Network *network; | |
477e73b5 ZJS |
322 | _cleanup_strv_free_ char **files = NULL; |
323 | char **f; | |
f579559b TG |
324 | int r; |
325 | ||
326 | assert(manager); | |
327 | ||
328 | while ((network = manager->networks)) | |
329 | network_free(network); | |
330 | ||
b5084605 | 331 | r = conf_files_list_strv(&files, ".network", NULL, 0, network_dirs); |
f647962d MS |
332 | if (r < 0) |
333 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b TG |
334 | |
335 | STRV_FOREACH_BACKWARDS(f, files) { | |
336 | r = network_load_one(manager, *f); | |
337 | if (r < 0) | |
338 | return r; | |
339 | } | |
340 | ||
f579559b TG |
341 | return 0; |
342 | } | |
343 | ||
f579559b | 344 | void network_free(Network *network) { |
a0e5c15d | 345 | IPv6ProxyNDPAddress *ipv6_proxy_ndp_address; |
bce67bbe SS |
346 | RoutingPolicyRule *rule; |
347 | FdbEntry *fdb_entry; | |
95b74ef6 | 348 | AddressLabel *label; |
057abfd8 | 349 | Prefix *prefix; |
bce67bbe SS |
350 | Address *address; |
351 | NetDev *netdev; | |
352 | Route *route; | |
06f021a8 | 353 | Iterator i; |
f579559b TG |
354 | |
355 | if (!network) | |
356 | return; | |
357 | ||
358 | free(network->filename); | |
359 | ||
360 | free(network->match_mac); | |
5256e00e TG |
361 | strv_free(network->match_path); |
362 | strv_free(network->match_driver); | |
363 | strv_free(network->match_type); | |
364 | strv_free(network->match_name); | |
f579559b TG |
365 | |
366 | free(network->description); | |
edb85f0d | 367 | free(network->dhcp_vendor_class_identifier); |
27cb34f5 | 368 | free(network->dhcp_hostname); |
f579559b | 369 | |
c106cc36 TG |
370 | free(network->mac); |
371 | ||
b0e39c82 | 372 | strv_free(network->ntp); |
5512a963 | 373 | free(network->dns); |
3df9bec5 LP |
374 | strv_free(network->search_domains); |
375 | strv_free(network->route_domains); | |
0d4ad91d | 376 | strv_free(network->bind_carrier); |
3bef724f | 377 | |
47e2dc31 | 378 | netdev_unref(network->bridge); |
47e2dc31 | 379 | netdev_unref(network->bond); |
6cb955c6 | 380 | netdev_unref(network->vrf); |
47e2dc31 | 381 | |
2c36be2f TG |
382 | HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) { |
383 | hashmap_remove(network->stacked_netdevs, netdev->ifname); | |
326cb406 | 384 | netdev_unref(netdev); |
2c36be2f | 385 | } |
6a0a2f86 | 386 | hashmap_free(network->stacked_netdevs); |
326cb406 | 387 | |
f048a16b | 388 | while ((route = network->static_routes)) |
f579559b TG |
389 | route_free(route); |
390 | ||
f048a16b | 391 | while ((address = network->static_addresses)) |
f579559b TG |
392 | address_free(address); |
393 | ||
b98b483b AR |
394 | while ((fdb_entry = network->static_fdb_entries)) |
395 | fdb_entry_free(fdb_entry); | |
396 | ||
a0e5c15d FK |
397 | while ((ipv6_proxy_ndp_address = network->ipv6_proxy_ndp_addresses)) |
398 | ipv6_proxy_ndp_address_free(ipv6_proxy_ndp_address); | |
399 | ||
95b74ef6 SS |
400 | while ((label = network->address_labels)) |
401 | address_label_free(label); | |
402 | ||
057abfd8 PF |
403 | while ((prefix = network->static_prefixes)) |
404 | prefix_free(prefix); | |
405 | ||
bce67bbe SS |
406 | while ((rule = network->rules)) |
407 | routing_policy_rule_free(rule); | |
408 | ||
6ae115c1 TG |
409 | hashmap_free(network->addresses_by_section); |
410 | hashmap_free(network->routes_by_section); | |
b98b483b | 411 | hashmap_free(network->fdb_entries_by_section); |
95b74ef6 | 412 | hashmap_free(network->address_labels_by_section); |
057abfd8 | 413 | hashmap_free(network->prefixes_by_section); |
bce67bbe | 414 | hashmap_free(network->rules_by_section); |
6ae115c1 | 415 | |
dbffab87 TG |
416 | if (network->manager) { |
417 | if (network->manager->networks) | |
418 | LIST_REMOVE(networks, network->manager->networks, network); | |
419 | ||
420 | if (network->manager->networks_by_name) | |
421 | hashmap_remove(network->manager->networks_by_name, network->name); | |
422 | } | |
423 | ||
424 | free(network->name); | |
f579559b | 425 | |
79e16ce3 LP |
426 | condition_free_list(network->match_host); |
427 | condition_free_list(network->match_virt); | |
428 | condition_free_list(network->match_kernel); | |
429 | condition_free_list(network->match_arch); | |
430 | ||
8eb9058d | 431 | free(network->dhcp_server_timezone); |
1a04db0f LP |
432 | free(network->dhcp_server_dns); |
433 | free(network->dhcp_server_ntp); | |
8eb9058d | 434 | |
8a516214 LP |
435 | set_free_free(network->dnssec_negative_trust_anchors); |
436 | ||
f579559b TG |
437 | free(network); |
438 | } | |
439 | ||
dbffab87 TG |
440 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
441 | Network *network; | |
442 | ||
443 | assert(manager); | |
444 | assert(name); | |
445 | assert(ret); | |
446 | ||
447 | network = hashmap_get(manager->networks_by_name, name); | |
448 | if (!network) | |
449 | return -ENOENT; | |
450 | ||
451 | *ret = network; | |
452 | ||
453 | return 0; | |
454 | } | |
455 | ||
505f8da7 TG |
456 | int network_get(Manager *manager, struct udev_device *device, |
457 | const char *ifname, const struct ether_addr *address, | |
458 | Network **ret) { | |
f579559b | 459 | Network *network; |
af3aa302 | 460 | struct udev_device *parent; |
24c083df | 461 | const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL; |
f579559b TG |
462 | |
463 | assert(manager); | |
f579559b | 464 | assert(ret); |
af3aa302 | 465 | |
24c083df TG |
466 | if (device) { |
467 | path = udev_device_get_property_value(device, "ID_PATH"); | |
af3aa302 | 468 | |
24c083df TG |
469 | parent = udev_device_get_parent(device); |
470 | if (parent) | |
471 | parent_driver = udev_device_get_driver(parent); | |
af3aa302 | 472 | |
24c083df | 473 | driver = udev_device_get_property_value(device, "ID_NET_DRIVER"); |
af3aa302 | 474 | |
24c083df TG |
475 | devtype = udev_device_get_devtype(device); |
476 | } | |
f579559b | 477 | |
f579559b TG |
478 | LIST_FOREACH(networks, network, manager->networks) { |
479 | if (net_match_config(network->match_mac, network->match_path, | |
505f8da7 TG |
480 | network->match_driver, network->match_type, |
481 | network->match_name, network->match_host, | |
482 | network->match_virt, network->match_kernel, | |
483 | network->match_arch, | |
af3aa302 TG |
484 | address, path, parent_driver, driver, |
485 | devtype, ifname)) { | |
24c083df | 486 | if (network->match_name && device) { |
ca6038b8 TG |
487 | const char *attr; |
488 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
489 | ||
32bc8adc | 490 | attr = udev_device_get_sysattr_value(device, "name_assign_type"); |
285760fe | 491 | if (attr) |
dc751688 | 492 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
493 | |
494 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
495 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
496 | ifname, network->filename); | |
32bc8adc | 497 | else |
a2fae7bb | 498 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 499 | } else |
a2fae7bb | 500 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 501 | |
f579559b TG |
502 | *ret = network; |
503 | return 0; | |
504 | } | |
505 | } | |
506 | ||
507 | *ret = NULL; | |
508 | ||
509 | return -ENOENT; | |
510 | } | |
511 | ||
7d342c03 | 512 | int network_apply(Network *network, Link *link) { |
f579559b TG |
513 | int r; |
514 | ||
c4a03a56 TG |
515 | assert(network); |
516 | assert(link); | |
517 | ||
f579559b TG |
518 | link->network = network; |
519 | ||
bfa695b5 TG |
520 | if (network->ipv4ll_route) { |
521 | Route *route; | |
522 | ||
0b180d75 | 523 | r = route_new_static(network, NULL, 0, &route); |
bfa695b5 TG |
524 | if (r < 0) |
525 | return r; | |
526 | ||
2ce40956 | 527 | r = inet_pton(AF_INET, "169.254.0.0", &route->dst.in); |
bfa695b5 TG |
528 | if (r == 0) |
529 | return -EINVAL; | |
530 | if (r < 0) | |
531 | return -errno; | |
532 | ||
533 | route->family = AF_INET; | |
534 | route->dst_prefixlen = 16; | |
535 | route->scope = RT_SCOPE_LINK; | |
86655331 | 536 | route->priority = IPV4LL_ROUTE_METRIC; |
bfa695b5 TG |
537 | route->protocol = RTPROT_STATIC; |
538 | } | |
539 | ||
5512a963 | 540 | if (network->n_dns > 0 || |
3df9bec5 LP |
541 | !strv_isempty(network->ntp) || |
542 | !strv_isempty(network->search_domains) || | |
2ad6b610 | 543 | !strv_isempty(network->route_domains)) |
84de38c5 | 544 | link_dirty(link); |
3bef724f | 545 | |
f579559b TG |
546 | return 0; |
547 | } | |
02b59d57 | 548 | |
439689c6 SS |
549 | bool network_has_static_ipv6_addresses(Network *network) { |
550 | Address *address; | |
551 | ||
552 | assert(network); | |
553 | ||
554 | LIST_FOREACH(addresses, address, network->static_addresses) { | |
555 | if (address->family == AF_INET6) | |
556 | return true; | |
557 | } | |
558 | ||
559 | return false; | |
560 | } | |
561 | ||
69a93e7d | 562 | int config_parse_netdev(const char *unit, |
02b59d57 TG |
563 | const char *filename, |
564 | unsigned line, | |
565 | const char *section, | |
566 | unsigned section_line, | |
567 | const char *lvalue, | |
568 | int ltype, | |
569 | const char *rvalue, | |
570 | void *data, | |
571 | void *userdata) { | |
572 | Network *network = userdata; | |
31d0ac36 TG |
573 | _cleanup_free_ char *kind_string = NULL; |
574 | char *p; | |
1a436809 | 575 | NetDev *netdev; |
69a93e7d | 576 | NetDevKind kind; |
02b59d57 TG |
577 | int r; |
578 | ||
579 | assert(filename); | |
580 | assert(lvalue); | |
581 | assert(rvalue); | |
582 | assert(data); | |
583 | ||
69a93e7d TG |
584 | kind_string = strdup(lvalue); |
585 | if (!kind_string) | |
586 | return log_oom(); | |
52433f6b | 587 | |
69a93e7d TG |
588 | /* the keys are CamelCase versions of the kind */ |
589 | for (p = kind_string; *p; p++) | |
590 | *p = tolower(*p); | |
52433f6b | 591 | |
69a93e7d TG |
592 | kind = netdev_kind_from_string(kind_string); |
593 | if (kind == _NETDEV_KIND_INVALID) { | |
12ca818f | 594 | log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid NetDev kind: %s", lvalue); |
52433f6b TG |
595 | return 0; |
596 | } | |
597 | ||
54abf461 TG |
598 | r = netdev_get(network->manager, rvalue, &netdev); |
599 | if (r < 0) { | |
12ca818f | 600 | log_syntax(unit, LOG_ERR, filename, line, r, "%s could not be found, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
601 | return 0; |
602 | } | |
603 | ||
69a93e7d | 604 | if (netdev->kind != kind) { |
12ca818f | 605 | log_syntax(unit, LOG_ERR, filename, line, 0, "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
606 | return 0; |
607 | } | |
608 | ||
69a93e7d TG |
609 | switch (kind) { |
610 | case NETDEV_KIND_BRIDGE: | |
611 | network->bridge = netdev; | |
54abf461 | 612 | |
69a93e7d TG |
613 | break; |
614 | case NETDEV_KIND_BOND: | |
615 | network->bond = netdev; | |
fe6b2d55 | 616 | |
6cb955c6 AR |
617 | break; |
618 | case NETDEV_KIND_VRF: | |
619 | network->vrf = netdev; | |
620 | ||
69a93e7d TG |
621 | break; |
622 | case NETDEV_KIND_VLAN: | |
69a93e7d | 623 | case NETDEV_KIND_MACVLAN: |
f33ff02b | 624 | case NETDEV_KIND_MACVTAP: |
c4a5ddc9 | 625 | case NETDEV_KIND_IPVLAN: |
326cb406 | 626 | case NETDEV_KIND_VXLAN: |
92c918b0 | 627 | case NETDEV_KIND_VCAN: |
6a0a2f86 | 628 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
326cb406 | 629 | if (r < 0) { |
a4820c46 | 630 | log_syntax(unit, LOG_ERR, filename, line, r, "Can not add NetDev '%s' to network: %m", rvalue); |
326cb406 SS |
631 | return 0; |
632 | } | |
633 | ||
69a93e7d TG |
634 | break; |
635 | default: | |
636 | assert_not_reached("Can not parse NetDev"); | |
fe6b2d55 TG |
637 | } |
638 | ||
47e2dc31 TG |
639 | netdev_ref(netdev); |
640 | ||
fe6b2d55 TG |
641 | return 0; |
642 | } | |
7951dea2 | 643 | |
3df9bec5 LP |
644 | int config_parse_domains( |
645 | const char *unit, | |
646 | const char *filename, | |
647 | unsigned line, | |
648 | const char *section, | |
649 | unsigned section_line, | |
650 | const char *lvalue, | |
651 | int ltype, | |
652 | const char *rvalue, | |
653 | void *data, | |
654 | void *userdata) { | |
655 | ||
656 | const char *p; | |
657 | Network *n = data; | |
6192b846 TG |
658 | int r; |
659 | ||
3df9bec5 LP |
660 | assert(n); |
661 | assert(lvalue); | |
662 | assert(rvalue); | |
6192b846 | 663 | |
3df9bec5 LP |
664 | if (isempty(rvalue)) { |
665 | n->search_domains = strv_free(n->search_domains); | |
666 | n->route_domains = strv_free(n->route_domains); | |
667 | return 0; | |
668 | } | |
67272d15 | 669 | |
3df9bec5 LP |
670 | p = rvalue; |
671 | for (;;) { | |
672 | _cleanup_free_ char *w = NULL, *normalized = NULL; | |
673 | const char *domain; | |
674 | bool is_route; | |
675 | ||
676 | r = extract_first_word(&p, &w, NULL, 0); | |
677 | if (r < 0) { | |
678 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract search or route domain, ignoring: %s", rvalue); | |
679 | break; | |
680 | } | |
681 | if (r == 0) | |
682 | break; | |
683 | ||
684 | is_route = w[0] == '~'; | |
685 | domain = is_route ? w + 1 : w; | |
686 | ||
687 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
688 | /* If the root domain appears as is, or the special token "*" is found, we'll consider this as | |
689 | * routing domain, unconditionally. */ | |
690 | is_route = true; | |
691 | domain = "."; /* make sure we don't allow empty strings, thus write the root domain as "." */ | |
692 | ||
693 | } else { | |
694 | r = dns_name_normalize(domain, &normalized); | |
695 | if (r < 0) { | |
696 | log_syntax(unit, LOG_ERR, filename, line, r, "'%s' is not a valid domain name, ignoring.", domain); | |
697 | continue; | |
698 | } | |
699 | ||
700 | domain = normalized; | |
701 | ||
702 | if (is_localhost(domain)) { | |
703 | 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 | 704 | continue; |
3df9bec5 | 705 | } |
37de2509 | 706 | } |
40274ed6 | 707 | |
3df9bec5 LP |
708 | if (is_route) { |
709 | r = strv_extend(&n->route_domains, domain); | |
710 | if (r < 0) | |
711 | return log_oom(); | |
40274ed6 | 712 | |
3df9bec5 LP |
713 | } else { |
714 | r = strv_extend(&n->search_domains, domain); | |
715 | if (r < 0) | |
716 | return log_oom(); | |
717 | } | |
40274ed6 | 718 | } |
f15b6e5a | 719 | |
3df9bec5 LP |
720 | strv_uniq(n->route_domains); |
721 | strv_uniq(n->search_domains); | |
722 | ||
6192b846 TG |
723 | return 0; |
724 | } | |
725 | ||
7951dea2 SS |
726 | int config_parse_tunnel(const char *unit, |
727 | const char *filename, | |
728 | unsigned line, | |
729 | const char *section, | |
730 | unsigned section_line, | |
731 | const char *lvalue, | |
732 | int ltype, | |
733 | const char *rvalue, | |
734 | void *data, | |
735 | void *userdata) { | |
736 | Network *network = userdata; | |
737 | NetDev *netdev; | |
738 | int r; | |
739 | ||
740 | assert(filename); | |
741 | assert(lvalue); | |
742 | assert(rvalue); | |
743 | assert(data); | |
744 | ||
745 | r = netdev_get(network->manager, rvalue, &netdev); | |
746 | if (r < 0) { | |
6a7a4e4d | 747 | log_syntax(unit, LOG_ERR, filename, line, r, "Tunnel is invalid, ignoring assignment: %s", rvalue); |
7951dea2 SS |
748 | return 0; |
749 | } | |
750 | ||
751 | if (netdev->kind != NETDEV_KIND_IPIP && | |
752 | netdev->kind != NETDEV_KIND_SIT && | |
a613382b | 753 | netdev->kind != NETDEV_KIND_GRE && |
1af2536a | 754 | netdev->kind != NETDEV_KIND_GRETAP && |
b16492f8 SS |
755 | netdev->kind != NETDEV_KIND_IP6GRE && |
756 | netdev->kind != NETDEV_KIND_IP6GRETAP && | |
855ee1a1 | 757 | netdev->kind != NETDEV_KIND_VTI && |
9011ce77 | 758 | netdev->kind != NETDEV_KIND_VTI6 && |
855ee1a1 | 759 | netdev->kind != NETDEV_KIND_IP6TNL |
bce67bbe | 760 | ) { |
12ca818f | 761 | log_syntax(unit, LOG_ERR, filename, line, 0, |
7951dea2 SS |
762 | "NetDev is not a tunnel, ignoring assignment: %s", rvalue); |
763 | return 0; | |
764 | } | |
765 | ||
6a0a2f86 TG |
766 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
767 | if (r < 0) { | |
6a7a4e4d | 768 | log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue); |
6a0a2f86 TG |
769 | return 0; |
770 | } | |
771 | ||
772 | netdev_ref(netdev); | |
7951dea2 SS |
773 | |
774 | return 0; | |
775 | } | |
bd8f6538 | 776 | |
d0d6a4cd TG |
777 | int config_parse_ipv4ll( |
778 | const char* unit, | |
779 | const char *filename, | |
780 | unsigned line, | |
781 | const char *section, | |
782 | unsigned section_line, | |
783 | const char *lvalue, | |
784 | int ltype, | |
785 | const char *rvalue, | |
786 | void *data, | |
787 | void *userdata) { | |
788 | ||
789 | AddressFamilyBoolean *link_local = data; | |
790 | ||
791 | assert(filename); | |
792 | assert(lvalue); | |
793 | assert(rvalue); | |
794 | assert(data); | |
795 | ||
796 | /* Note that this is mostly like | |
797 | * config_parse_address_family_boolean(), except that it | |
798 | * applies only to IPv4 */ | |
799 | ||
5883ff60 | 800 | SET_FLAG(*link_local, ADDRESS_FAMILY_IPV4, parse_boolean(rvalue)); |
d0d6a4cd TG |
801 | |
802 | return 0; | |
803 | } | |
804 | ||
bd8f6538 TG |
805 | int config_parse_dhcp( |
806 | const char* unit, | |
807 | const char *filename, | |
808 | unsigned line, | |
809 | const char *section, | |
810 | unsigned section_line, | |
811 | const char *lvalue, | |
812 | int ltype, | |
813 | const char *rvalue, | |
814 | void *data, | |
815 | void *userdata) { | |
816 | ||
cb9fc36a | 817 | AddressFamilyBoolean *dhcp = data, s; |
bd8f6538 TG |
818 | |
819 | assert(filename); | |
820 | assert(lvalue); | |
821 | assert(rvalue); | |
822 | assert(data); | |
823 | ||
769d324c LP |
824 | /* Note that this is mostly like |
825 | * config_parse_address_family_boolean(), except that it | |
826 | * understands some old names for the enum values */ | |
827 | ||
cb9fc36a LP |
828 | s = address_family_boolean_from_string(rvalue); |
829 | if (s < 0) { | |
830 | ||
831 | /* Previously, we had a slightly different enum here, | |
832 | * support its values for compatbility. */ | |
833 | ||
834 | if (streq(rvalue, "none")) | |
835 | s = ADDRESS_FAMILY_NO; | |
836 | else if (streq(rvalue, "v4")) | |
837 | s = ADDRESS_FAMILY_IPV4; | |
838 | else if (streq(rvalue, "v6")) | |
839 | s = ADDRESS_FAMILY_IPV6; | |
840 | else if (streq(rvalue, "both")) | |
841 | s = ADDRESS_FAMILY_YES; | |
842 | else { | |
12ca818f | 843 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DHCP option, ignoring: %s", rvalue); |
bd8f6538 TG |
844 | return 0; |
845 | } | |
bd8f6538 TG |
846 | } |
847 | ||
cb9fc36a | 848 | *dhcp = s; |
bd8f6538 TG |
849 | return 0; |
850 | } | |
851 | ||
3e43b2cd JJ |
852 | static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = { |
853 | [DHCP_CLIENT_ID_MAC] = "mac", | |
854 | [DHCP_CLIENT_ID_DUID] = "duid" | |
855 | }; | |
856 | ||
499d555a SS |
857 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DHCPClientIdentifier); |
858 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DHCPClientIdentifier, "Failed to parse client identifier type"); | |
3e43b2cd | 859 | |
60c35566 | 860 | int config_parse_ipv6token( |
7f77697a TG |
861 | const char* unit, |
862 | const char *filename, | |
863 | unsigned line, | |
864 | const char *section, | |
865 | unsigned section_line, | |
866 | const char *lvalue, | |
867 | int ltype, | |
868 | const char *rvalue, | |
869 | void *data, | |
870 | void *userdata) { | |
871 | ||
872 | union in_addr_union buffer; | |
873 | struct in6_addr *token = data; | |
874 | int r; | |
875 | ||
876 | assert(filename); | |
877 | assert(lvalue); | |
878 | assert(rvalue); | |
879 | assert(token); | |
880 | ||
881 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
882 | if (r < 0) { | |
6a7a4e4d | 883 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
884 | return 0; |
885 | } | |
886 | ||
887 | r = in_addr_is_null(AF_INET6, &buffer); | |
12ca818f | 888 | if (r != 0) { |
6a7a4e4d | 889 | log_syntax(unit, LOG_ERR, filename, line, r, "IPv6 token can not be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
890 | return 0; |
891 | } | |
892 | ||
893 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
12ca818f | 894 | log_syntax(unit, LOG_ERR, filename, line, 0, "IPv6 token can not be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
895 | return 0; |
896 | } | |
897 | ||
898 | *token = buffer.in6; | |
899 | ||
900 | return 0; | |
901 | } | |
8add5f79 | 902 | |
49092e22 | 903 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
904 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
905 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
906 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
907 | }; |
908 | ||
909 | DEFINE_STRING_TABLE_LOOKUP(ipv6_privacy_extensions, IPv6PrivacyExtensions); | |
910 | ||
911 | int config_parse_ipv6_privacy_extensions( | |
912 | const char* unit, | |
913 | const char *filename, | |
914 | unsigned line, | |
915 | const char *section, | |
916 | unsigned section_line, | |
917 | const char *lvalue, | |
918 | int ltype, | |
919 | const char *rvalue, | |
920 | void *data, | |
921 | void *userdata) { | |
922 | ||
923 | IPv6PrivacyExtensions *ipv6_privacy_extensions = data; | |
924 | int k; | |
925 | ||
926 | assert(filename); | |
927 | assert(lvalue); | |
928 | assert(rvalue); | |
929 | assert(ipv6_privacy_extensions); | |
930 | ||
931 | /* Our enum shall be a superset of booleans, hence first try | |
932 | * to parse as boolean, and then as enum */ | |
933 | ||
934 | k = parse_boolean(rvalue); | |
935 | if (k > 0) | |
1f0d9695 | 936 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_YES; |
49092e22 | 937 | else if (k == 0) |
1f0d9695 | 938 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
49092e22 | 939 | else { |
1f0d9695 | 940 | IPv6PrivacyExtensions s; |
49092e22 SS |
941 | |
942 | s = ipv6_privacy_extensions_from_string(rvalue); | |
1f0d9695 LP |
943 | if (s < 0) { |
944 | ||
945 | if (streq(rvalue, "kernel")) | |
946 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
947 | else { | |
12ca818f | 948 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1f0d9695 LP |
949 | return 0; |
950 | } | |
49092e22 SS |
951 | } |
952 | ||
953 | *ipv6_privacy_extensions = s; | |
954 | } | |
955 | ||
956 | return 0; | |
957 | } | |
a7d0ef44 | 958 | |
1ac608c9 LP |
959 | int config_parse_hostname( |
960 | const char *unit, | |
961 | const char *filename, | |
962 | unsigned line, | |
963 | const char *section, | |
964 | unsigned section_line, | |
965 | const char *lvalue, | |
966 | int ltype, | |
967 | const char *rvalue, | |
968 | void *data, | |
969 | void *userdata) { | |
970 | ||
971 | char **hostname = data, *hn = NULL; | |
a7d0ef44 SS |
972 | int r; |
973 | ||
974 | assert(filename); | |
975 | assert(lvalue); | |
976 | assert(rvalue); | |
977 | ||
1ac608c9 | 978 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
979 | if (r < 0) |
980 | return r; | |
981 | ||
1ac608c9 | 982 | if (!hostname_is_valid(hn, false)) { |
12ca818f | 983 | log_syntax(unit, LOG_ERR, filename, line, 0, "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
984 | free(hn); |
985 | return 0; | |
986 | } | |
987 | ||
1ac608c9 | 988 | free(*hostname); |
ae691c1d | 989 | *hostname = hostname_cleanup(hn); |
a7d0ef44 SS |
990 | return 0; |
991 | } | |
8eb9058d LP |
992 | |
993 | int config_parse_timezone( | |
994 | const char *unit, | |
995 | const char *filename, | |
996 | unsigned line, | |
997 | const char *section, | |
998 | unsigned section_line, | |
999 | const char *lvalue, | |
1000 | int ltype, | |
1001 | const char *rvalue, | |
1002 | void *data, | |
1003 | void *userdata) { | |
1004 | ||
64d6c229 | 1005 | char **datap = data, *tz = NULL; |
8eb9058d LP |
1006 | int r; |
1007 | ||
1008 | assert(filename); | |
1009 | assert(lvalue); | |
1010 | assert(rvalue); | |
1011 | ||
1012 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1013 | if (r < 0) | |
1014 | return r; | |
1015 | ||
1016 | if (!timezone_is_valid(tz)) { | |
12ca818f | 1017 | log_syntax(unit, LOG_ERR, filename, line, 0, "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1018 | free(tz); |
1019 | return 0; | |
1020 | } | |
1021 | ||
64d6c229 TA |
1022 | free(*datap); |
1023 | *datap = tz; | |
8eb9058d LP |
1024 | |
1025 | return 0; | |
1026 | } | |
1a04db0f LP |
1027 | |
1028 | int config_parse_dhcp_server_dns( | |
1029 | const char *unit, | |
1030 | const char *filename, | |
1031 | unsigned line, | |
1032 | const char *section, | |
1033 | unsigned section_line, | |
1034 | const char *lvalue, | |
1035 | int ltype, | |
1036 | const char *rvalue, | |
1037 | void *data, | |
1038 | void *userdata) { | |
1039 | ||
1040 | Network *n = data; | |
1041 | const char *p = rvalue; | |
1042 | int r; | |
1043 | ||
1044 | assert(filename); | |
1045 | assert(lvalue); | |
1046 | assert(rvalue); | |
1047 | ||
1048 | for (;;) { | |
1049 | _cleanup_free_ char *w = NULL; | |
1050 | struct in_addr a, *m; | |
1051 | ||
1052 | r = extract_first_word(&p, &w, NULL, 0); | |
fa105ce6 LP |
1053 | if (r == -ENOMEM) |
1054 | return log_oom(); | |
1a04db0f LP |
1055 | if (r < 0) { |
1056 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1057 | return 0; | |
1058 | } | |
1a04db0f | 1059 | if (r == 0) |
fa105ce6 | 1060 | break; |
1a04db0f LP |
1061 | |
1062 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 1063 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); |
1a04db0f LP |
1064 | continue; |
1065 | } | |
1066 | ||
1067 | m = realloc(n->dhcp_server_dns, (n->n_dhcp_server_dns + 1) * sizeof(struct in_addr)); | |
1068 | if (!m) | |
1069 | return log_oom(); | |
1070 | ||
1071 | m[n->n_dhcp_server_dns++] = a; | |
1072 | n->dhcp_server_dns = m; | |
1073 | } | |
fa105ce6 | 1074 | |
88295a05 PF |
1075 | return 0; |
1076 | } | |
1077 | ||
1078 | int config_parse_radv_dns( | |
1079 | const char *unit, | |
1080 | const char *filename, | |
1081 | unsigned line, | |
1082 | const char *section, | |
1083 | unsigned section_line, | |
1084 | const char *lvalue, | |
1085 | int ltype, | |
1086 | const char *rvalue, | |
1087 | void *data, | |
1088 | void *userdata) { | |
1089 | ||
1090 | Network *n = data; | |
1091 | const char *p = rvalue; | |
1092 | int r; | |
1093 | ||
1094 | assert(filename); | |
1095 | assert(lvalue); | |
1096 | assert(rvalue); | |
1097 | ||
1098 | for (;;) { | |
1099 | _cleanup_free_ char *w = NULL; | |
1100 | union in_addr_union a; | |
1101 | ||
1102 | r = extract_first_word(&p, &w, NULL, 0); | |
1103 | if (r == -ENOMEM) | |
1104 | return log_oom(); | |
1105 | if (r < 0) { | |
1106 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1107 | return 0; | |
1108 | } | |
1109 | if (r == 0) | |
1110 | break; | |
1111 | ||
1112 | if (in_addr_from_string(AF_INET6, w, &a) >= 0) { | |
1113 | struct in6_addr *m; | |
1114 | ||
1115 | m = realloc(n->router_dns, (n->n_router_dns + 1) * sizeof(struct in6_addr)); | |
1116 | if (!m) | |
1117 | return log_oom(); | |
1118 | ||
1119 | m[n->n_router_dns++] = a.in6; | |
1120 | n->router_dns = m; | |
1121 | ||
1122 | } else | |
1123 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); | |
1124 | ||
1125 | } | |
1126 | ||
fa105ce6 | 1127 | return 0; |
1a04db0f LP |
1128 | } |
1129 | ||
1130 | int config_parse_dhcp_server_ntp( | |
1131 | const char *unit, | |
1132 | const char *filename, | |
1133 | unsigned line, | |
1134 | const char *section, | |
1135 | unsigned section_line, | |
1136 | const char *lvalue, | |
1137 | int ltype, | |
1138 | const char *rvalue, | |
1139 | void *data, | |
1140 | void *userdata) { | |
1141 | ||
1142 | Network *n = data; | |
1143 | const char *p = rvalue; | |
1144 | int r; | |
1145 | ||
1146 | assert(filename); | |
1147 | assert(lvalue); | |
1148 | assert(rvalue); | |
1149 | ||
1150 | for (;;) { | |
1151 | _cleanup_free_ char *w = NULL; | |
1152 | struct in_addr a, *m; | |
1153 | ||
1154 | r = extract_first_word(&p, &w, NULL, 0); | |
fa105ce6 LP |
1155 | if (r == -ENOMEM) |
1156 | return log_oom(); | |
1a04db0f | 1157 | if (r < 0) { |
12ca818f | 1158 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); |
1a04db0f LP |
1159 | return 0; |
1160 | } | |
1a04db0f LP |
1161 | if (r == 0) |
1162 | return 0; | |
1163 | ||
1164 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 1165 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse NTP server address, ignoring: %s", w); |
1a04db0f LP |
1166 | continue; |
1167 | } | |
1168 | ||
1169 | m = realloc(n->dhcp_server_ntp, (n->n_dhcp_server_ntp + 1) * sizeof(struct in_addr)); | |
1170 | if (!m) | |
1171 | return log_oom(); | |
1172 | ||
1173 | m[n->n_dhcp_server_ntp++] = a; | |
1174 | n->dhcp_server_ntp = m; | |
1175 | } | |
1176 | } | |
8a516214 | 1177 | |
53253824 SS |
1178 | int config_parse_dns( |
1179 | const char *unit, | |
1180 | const char *filename, | |
1181 | unsigned line, | |
1182 | const char *section, | |
1183 | unsigned section_line, | |
1184 | const char *lvalue, | |
1185 | int ltype, | |
1186 | const char *rvalue, | |
1187 | void *data, | |
1188 | void *userdata) { | |
1189 | ||
1190 | Network *n = userdata; | |
1191 | int r; | |
1192 | ||
1193 | assert(filename); | |
1194 | assert(lvalue); | |
1195 | assert(rvalue); | |
1196 | ||
1197 | for (;;) { | |
1198 | _cleanup_free_ char *w = NULL; | |
1199 | union in_addr_union a; | |
5512a963 | 1200 | struct in_addr_data *m; |
53253824 SS |
1201 | int family; |
1202 | ||
5512a963 | 1203 | r = extract_first_word(&rvalue, &w, NULL, 0); |
53253824 SS |
1204 | if (r == -ENOMEM) |
1205 | return log_oom(); | |
1206 | if (r < 0) { | |
1207 | log_syntax(unit, LOG_ERR, filename, line, r, "Invalid syntax, ignoring: %s", rvalue); | |
1208 | break; | |
1209 | } | |
5512a963 LP |
1210 | if (r == 0) |
1211 | break; | |
53253824 SS |
1212 | |
1213 | r = in_addr_from_string_auto(w, &family, &a); | |
1214 | if (r < 0) { | |
5512a963 | 1215 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1216 | continue; |
1217 | } | |
1218 | ||
5512a963 LP |
1219 | m = realloc(n->dns, (n->n_dns + 1) * sizeof(struct in_addr_data)); |
1220 | if (!m) | |
53253824 SS |
1221 | return log_oom(); |
1222 | ||
5512a963 LP |
1223 | m[n->n_dns++] = (struct in_addr_data) { |
1224 | .family = family, | |
1225 | .address = a, | |
1226 | }; | |
1227 | ||
1228 | n->dns = m; | |
53253824 SS |
1229 | } |
1230 | ||
1231 | return 0; | |
1232 | } | |
1233 | ||
8a516214 LP |
1234 | int config_parse_dnssec_negative_trust_anchors( |
1235 | const char *unit, | |
1236 | const char *filename, | |
1237 | unsigned line, | |
1238 | const char *section, | |
1239 | unsigned section_line, | |
1240 | const char *lvalue, | |
1241 | int ltype, | |
1242 | const char *rvalue, | |
1243 | void *data, | |
1244 | void *userdata) { | |
1245 | ||
1246 | const char *p = rvalue; | |
1247 | Network *n = data; | |
1248 | int r; | |
1249 | ||
3df9bec5 | 1250 | assert(n); |
8a516214 LP |
1251 | assert(lvalue); |
1252 | assert(rvalue); | |
1253 | ||
1254 | if (isempty(rvalue)) { | |
1255 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1256 | return 0; | |
1257 | } | |
1258 | ||
1259 | for (;;) { | |
1260 | _cleanup_free_ char *w = NULL; | |
1261 | ||
1262 | r = extract_first_word(&p, &w, NULL, 0); | |
1263 | if (r < 0) { | |
1264 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); | |
1265 | break; | |
1266 | } | |
1267 | if (r == 0) | |
1268 | break; | |
1269 | ||
1270 | r = dns_name_is_valid(w); | |
1271 | if (r <= 0) { | |
1272 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name, ignoring.", w); | |
1273 | continue; | |
1274 | } | |
1275 | ||
cbbf38ae LP |
1276 | r = set_ensure_allocated(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops); |
1277 | if (r < 0) | |
1278 | return log_oom(); | |
1279 | ||
8a516214 LP |
1280 | r = set_put(n->dnssec_negative_trust_anchors, w); |
1281 | if (r < 0) | |
1282 | return log_oom(); | |
1283 | if (r > 0) | |
1284 | w = NULL; | |
1285 | } | |
1286 | ||
1287 | return 0; | |
1288 | } | |
b2a81c0b | 1289 | |
26575990 LP |
1290 | int config_parse_ntp( |
1291 | const char *unit, | |
1292 | const char *filename, | |
1293 | unsigned line, | |
1294 | const char *section, | |
1295 | unsigned section_line, | |
1296 | const char *lvalue, | |
1297 | int ltype, | |
1298 | const char *rvalue, | |
1299 | void *data, | |
1300 | void *userdata) { | |
1301 | ||
1302 | char ***l = data; | |
1303 | int r; | |
1304 | ||
1305 | assert(l); | |
1306 | assert(lvalue); | |
1307 | assert(rvalue); | |
1308 | ||
1309 | if (isempty(rvalue)) { | |
1310 | *l = strv_free(*l); | |
1311 | return 0; | |
1312 | } | |
1313 | ||
1314 | for (;;) { | |
1315 | _cleanup_free_ char *w = NULL; | |
1316 | ||
1317 | r = extract_first_word(&rvalue, &w, NULL, 0); | |
1318 | if (r == -ENOMEM) | |
1319 | return log_oom(); | |
1320 | if (r < 0) { | |
1321 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract NTP server name, ignoring: %s", rvalue); | |
1322 | break; | |
1323 | } | |
1324 | if (r == 0) | |
1325 | break; | |
1326 | ||
1327 | r = dns_name_is_valid_or_address(w); | |
1328 | if (r <= 0) { | |
1329 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name or IP address, ignoring.", w); | |
1330 | continue; | |
1331 | } | |
1332 | ||
1333 | r = strv_push(l, w); | |
1334 | if (r < 0) | |
1335 | return log_oom(); | |
1336 | ||
1337 | w = NULL; | |
1338 | } | |
1339 | ||
1340 | return 0; | |
1341 | } | |
1342 | ||
f594276b JK |
1343 | int config_parse_dhcp_route_table(const char *unit, |
1344 | const char *filename, | |
1345 | unsigned line, | |
1346 | const char *section, | |
1347 | unsigned section_line, | |
1348 | const char *lvalue, | |
1349 | int ltype, | |
1350 | const char *rvalue, | |
1351 | void *data, | |
1352 | void *userdata) { | |
1353 | uint32_t rt; | |
1354 | int r; | |
1355 | ||
1356 | assert(filename); | |
1357 | assert(lvalue); | |
1358 | assert(rvalue); | |
1359 | assert(data); | |
1360 | ||
1361 | r = safe_atou32(rvalue, &rt); | |
1362 | if (r < 0) { | |
1363 | log_syntax(unit, LOG_ERR, filename, line, r, | |
1364 | "Unable to read RouteTable, ignoring assignment: %s", rvalue); | |
1365 | return 0; | |
1366 | } | |
1367 | ||
1368 | *((uint32_t *)data) = rt; | |
1369 | ||
1370 | return 0; | |
1371 | } | |
1372 | ||
b2a81c0b LP |
1373 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_use_domains, dhcp_use_domains, DHCPUseDomains, "Failed to parse DHCP use domains setting"); |
1374 | ||
1375 | static const char* const dhcp_use_domains_table[_DHCP_USE_DOMAINS_MAX] = { | |
1376 | [DHCP_USE_DOMAINS_NO] = "no", | |
1377 | [DHCP_USE_DOMAINS_ROUTE] = "route", | |
1378 | [DHCP_USE_DOMAINS_YES] = "yes", | |
1379 | }; | |
1380 | ||
1381 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dhcp_use_domains, DHCPUseDomains, DHCP_USE_DOMAINS_YES); | |
34437b4f LP |
1382 | |
1383 | DEFINE_CONFIG_PARSE_ENUM(config_parse_lldp_mode, lldp_mode, LLDPMode, "Failed to parse LLDP= setting."); | |
1384 | ||
1385 | static const char* const lldp_mode_table[_LLDP_MODE_MAX] = { | |
1386 | [LLDP_MODE_NO] = "no", | |
1387 | [LLDP_MODE_YES] = "yes", | |
1388 | [LLDP_MODE_ROUTERS_ONLY] = "routers-only", | |
1389 | }; | |
1390 | ||
1391 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(lldp_mode, LLDPMode, LLDP_MODE_YES); |