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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
f579559b TG |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
f579559b TG |
6 | ***/ |
7 | ||
69a93e7d | 8 | #include <ctype.h> |
987efa17 | 9 | #include <net/if.h> |
69a93e7d | 10 | |
b5efdb8a | 11 | #include "alloc-util.h" |
f579559b TG |
12 | #include "conf-files.h" |
13 | #include "conf-parser.h" | |
37de2509 | 14 | #include "dns-domain.h" |
3ffd4af2 | 15 | #include "fd-util.h" |
07630cea | 16 | #include "hostname-util.h" |
88295a05 | 17 | #include "in-addr-util.h" |
fc2f9534 | 18 | #include "network-internal.h" |
23f53b99 | 19 | #include "networkd-manager.h" |
3ffd4af2 | 20 | #include "networkd-network.h" |
6bedfcbb | 21 | #include "parse-util.h" |
8a516214 | 22 | #include "set.h" |
8fcde012 | 23 | #include "stat-util.h" |
8b43440b | 24 | #include "string-table.h" |
07630cea | 25 | #include "string-util.h" |
700f1186 | 26 | #include "strv.h" |
07630cea | 27 | #include "util.h" |
f579559b | 28 | |
f4859fc7 SS |
29 | static void network_config_hash_func(const void *p, struct siphash *state) { |
30 | const NetworkConfigSection *c = p; | |
31 | ||
32 | siphash24_compress(c->filename, strlen(c->filename), state); | |
33 | siphash24_compress(&c->line, sizeof(c->line), state); | |
34 | } | |
35 | ||
36 | static int network_config_compare_func(const void *a, const void *b) { | |
37 | const NetworkConfigSection *x = a, *y = b; | |
38 | int r; | |
39 | ||
40 | r = strcmp(x->filename, y->filename); | |
41 | if (r != 0) | |
42 | return r; | |
43 | ||
44 | return y->line - x->line; | |
45 | } | |
46 | ||
47 | const struct hash_ops network_config_hash_ops = { | |
48 | .hash = network_config_hash_func, | |
49 | .compare = network_config_compare_func, | |
50 | }; | |
51 | ||
52 | int network_config_section_new(const char *filename, unsigned line, NetworkConfigSection **s) { | |
53 | NetworkConfigSection *cs; | |
54 | ||
55 | cs = malloc0(offsetof(NetworkConfigSection, filename) + strlen(filename) + 1); | |
56 | if (!cs) | |
57 | return -ENOMEM; | |
58 | ||
59 | strcpy(cs->filename, filename); | |
60 | cs->line = line; | |
61 | ||
ae2a15bc | 62 | *s = TAKE_PTR(cs); |
f4859fc7 SS |
63 | |
64 | return 0; | |
65 | } | |
66 | ||
67 | void network_config_section_free(NetworkConfigSection *cs) { | |
bce67bbe | 68 | free(cs); |
f4859fc7 SS |
69 | } |
70 | ||
add8d07d | 71 | /* Set defaults following RFC7844 */ |
72 | void network_apply_anonymize_if_set(Network *network) { | |
73 | if (!network->dhcp_anonymize) | |
74 | return; | |
75 | /* RFC7844 3.7 | |
76 | SHOULD NOT send the Host Name option */ | |
77 | network->dhcp_send_hostname = false; | |
78 | /* RFC7844 section 3.: | |
79 | MAY contain the Client Identifier option | |
80 | Section 3.5: | |
81 | clients MUST use client identifiers based solely | |
82 | on the link-layer address */ | |
83 | /* NOTE: Using MAC, as it does not reveal extra information, | |
84 | * and some servers might not answer if this option is not sent */ | |
85 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
86 | /* RFC 7844 3.10: | |
87 | SHOULD NOT use the Vendor Class Identifier option */ | |
88 | /* NOTE: it was not initiallized to any value in network_load_one. */ | |
89 | network->dhcp_vendor_class_identifier = false; | |
90 | /* RFC7844 section 3.6.: | |
91 | The client intending to protect its privacy SHOULD only request a | |
92 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
93 | the ordering of option codes in the PRL. If this random ordering | |
94 | cannot be implemented, the client MAY order the option codes in the | |
95 | PRL by option code number (lowest to highest). | |
96 | */ | |
97 | /* NOTE: dhcp_use_mtu is false by default, | |
98 | * though it was not initiallized to any value in network_load_one. | |
99 | * Maybe there should be another var called *send*? | |
100 | * (to use the MTU sent by the server but to do not send | |
101 | * the option in the PRL). */ | |
102 | network->dhcp_use_mtu = false; | |
28522b0d | 103 | /* NOTE: when Anonymize=yes, the PRL route options are sent by default, |
104 | * but this is needed to use them. */ | |
105 | network->dhcp_use_routes = true; | |
add8d07d | 106 | /* RFC7844 section 3.6. |
107 | * same comments as previous option */ | |
108 | network->dhcp_use_timezone = false; | |
109 | } | |
110 | ||
f579559b | 111 | static int network_load_one(Manager *manager, const char *filename) { |
8e766630 | 112 | _cleanup_(network_freep) Network *network = NULL; |
f579559b | 113 | _cleanup_fclose_ FILE *file = NULL; |
dbffab87 | 114 | char *d; |
047a0dac | 115 | const char *dropin_dirname; |
b3070dc0 TG |
116 | Route *route; |
117 | Address *address; | |
f579559b TG |
118 | int r; |
119 | ||
bf1bc670 TA |
120 | assert(manager); |
121 | assert(filename); | |
122 | ||
f579559b TG |
123 | file = fopen(filename, "re"); |
124 | if (!file) { | |
125 | if (errno == ENOENT) | |
126 | return 0; | |
1e7a0e21 LP |
127 | |
128 | return -errno; | |
f579559b TG |
129 | } |
130 | ||
ed88bcfb ZJS |
131 | if (null_or_empty_fd(fileno(file))) { |
132 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
133 | return 0; |
134 | } | |
135 | ||
f579559b TG |
136 | network = new0(Network, 1); |
137 | if (!network) | |
138 | return log_oom(); | |
139 | ||
5a3eb5a7 TG |
140 | network->manager = manager; |
141 | ||
f048a16b TG |
142 | LIST_HEAD_INIT(network->static_addresses); |
143 | LIST_HEAD_INIT(network->static_routes); | |
b98b483b | 144 | LIST_HEAD_INIT(network->static_fdb_entries); |
a0e5c15d | 145 | LIST_HEAD_INIT(network->ipv6_proxy_ndp_addresses); |
95b74ef6 | 146 | LIST_HEAD_INIT(network->address_labels); |
057abfd8 | 147 | LIST_HEAD_INIT(network->static_prefixes); |
bce67bbe | 148 | LIST_HEAD_INIT(network->rules); |
f579559b | 149 | |
d5099efc | 150 | network->stacked_netdevs = hashmap_new(&string_hash_ops); |
6a0a2f86 | 151 | if (!network->stacked_netdevs) |
326cb406 SS |
152 | return log_oom(); |
153 | ||
f4859fc7 | 154 | network->addresses_by_section = hashmap_new(&network_config_hash_ops); |
6ae115c1 TG |
155 | if (!network->addresses_by_section) |
156 | return log_oom(); | |
157 | ||
f4859fc7 | 158 | network->routes_by_section = hashmap_new(&network_config_hash_ops); |
6ae115c1 TG |
159 | if (!network->routes_by_section) |
160 | return log_oom(); | |
161 | ||
b98b483b AR |
162 | network->fdb_entries_by_section = hashmap_new(NULL); |
163 | if (!network->fdb_entries_by_section) | |
164 | return log_oom(); | |
165 | ||
95b74ef6 SS |
166 | network->address_labels_by_section = hashmap_new(&network_config_hash_ops); |
167 | if (!network->address_labels_by_section) | |
057abfd8 PF |
168 | log_oom(); |
169 | ||
170 | network->prefixes_by_section = hashmap_new(&network_config_hash_ops); | |
171 | if (!network->prefixes_by_section) | |
95b74ef6 SS |
172 | return log_oom(); |
173 | ||
bce67bbe SS |
174 | network->rules_by_section = hashmap_new(&network_config_hash_ops); |
175 | if (!network->rules_by_section) | |
176 | return log_oom(); | |
177 | ||
6ae115c1 TG |
178 | network->filename = strdup(filename); |
179 | if (!network->filename) | |
180 | return log_oom(); | |
181 | ||
dbffab87 TG |
182 | network->name = strdup(basename(filename)); |
183 | if (!network->name) | |
184 | return log_oom(); | |
185 | ||
186 | d = strrchr(network->name, '.'); | |
187 | if (!d) | |
188 | return -EINVAL; | |
189 | ||
190 | assert(streq(d, ".network")); | |
191 | ||
192 | *d = '\0'; | |
193 | ||
c1a38904 | 194 | network->required_for_online = true; |
cb9fc36a | 195 | network->dhcp = ADDRESS_FAMILY_NO; |
27cb34f5 LP |
196 | network->dhcp_use_ntp = true; |
197 | network->dhcp_use_dns = true; | |
198 | network->dhcp_use_hostname = true; | |
199 | network->dhcp_use_routes = true; | |
add8d07d | 200 | /* NOTE: this var might be overwriten by network_apply_anonymize_if_set */ |
27cb34f5 | 201 | network->dhcp_send_hostname = true; |
add8d07d | 202 | /* To enable/disable RFC7844 Anonymity Profiles */ |
203 | network->dhcp_anonymize = false; | |
84b5b79a | 204 | network->dhcp_route_metric = DHCP_ROUTE_METRIC; |
add8d07d | 205 | /* NOTE: this var might be overwrite by network_apply_anonymize_if_set */ |
3e43b2cd | 206 | network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID; |
f594276b | 207 | network->dhcp_route_table = RT_TABLE_MAIN; |
fc1ba79d | 208 | network->dhcp_route_table_set = false; |
add8d07d | 209 | /* NOTE: the following vars were not set to any default, |
210 | * even if they are commented in the man? | |
211 | * These vars might be overwriten by network_apply_anonymize_if_set */ | |
212 | network->dhcp_vendor_class_identifier = false; | |
95ab9eff AJ |
213 | /* NOTE: from man: UseMTU=... Defaults to false*/ |
214 | network->dhcp_use_mtu = false; | |
add8d07d | 215 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ |
216 | network->dhcp_use_timezone = false; | |
fb5c8216 | 217 | network->rapid_commit = true; |
5be4d38e | 218 | |
539f2a73 LP |
219 | network->dhcp_server_emit_dns = true; |
220 | network->dhcp_server_emit_ntp = true; | |
77ff6022 | 221 | network->dhcp_server_emit_router = true; |
539f2a73 LP |
222 | network->dhcp_server_emit_timezone = true; |
223 | ||
9e25315c PF |
224 | network->router_emit_dns = true; |
225 | network->router_emit_domains = true; | |
226 | ||
84c34096 | 227 | network->use_bpdu = true; |
23da66bb | 228 | network->allow_port_to_be_root = true; |
072f9e4a | 229 | network->unicast_flood = true; |
b56be296 | 230 | network->priority = LINK_BRIDGE_PORT_PRIORITY_INVALID; |
84c34096 | 231 | |
7cececb2 LP |
232 | network->lldp_mode = LLDP_MODE_ROUTERS_ONLY; |
233 | ||
a7e5da6e | 234 | network->llmnr = RESOLVE_SUPPORT_YES; |
aaa297d4 | 235 | network->mdns = RESOLVE_SUPPORT_NO; |
ad6c0475 | 236 | network->dnssec_mode = _DNSSEC_MODE_INVALID; |
bd8f6538 | 237 | |
d0d6a4cd TG |
238 | network->link_local = ADDRESS_FAMILY_IPV6; |
239 | ||
1f0d9695 | 240 | network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
4f2e437a | 241 | network->ipv6_accept_ra = -1; |
8749cbcd | 242 | network->ipv6_dad_transmits = -1; |
b69c3180 | 243 | network->ipv6_hop_limit = -1; |
465dfe59 | 244 | network->ipv6_proxy_ndp = -1; |
8341a5c3 | 245 | network->duid.type = _DUID_TYPE_INVALID; |
23d8b221 | 246 | network->proxy_arp = -1; |
99d2baa2 | 247 | network->arp = -1; |
1e7a0e21 | 248 | network->ipv6_accept_ra_use_dns = true; |
2ba31d29 | 249 | network->ipv6_accept_ra_route_table = RT_TABLE_MAIN; |
11102cba | 250 | network->ipv6_mtu = 0; |
49092e22 | 251 | |
23bb31aa ZJS |
252 | dropin_dirname = strjoina(network->name, ".network.d"); |
253 | ||
254 | r = config_parse_many(filename, network_dirs, dropin_dirname, | |
255 | "Match\0" | |
256 | "Link\0" | |
257 | "Network\0" | |
258 | "Address\0" | |
95b74ef6 | 259 | "IPv6AddressLabel\0" |
bce67bbe | 260 | "RoutingPolicyRule\0" |
23bb31aa ZJS |
261 | "Route\0" |
262 | "DHCP\0" | |
263 | "DHCPv4\0" /* compat */ | |
264 | "DHCPServer\0" | |
265 | "IPv6AcceptRA\0" | |
a0e5c15d | 266 | "IPv6NDPProxyAddress\0" |
23bb31aa ZJS |
267 | "Bridge\0" |
268 | "BridgeFDB\0" | |
9d5d0090 | 269 | "BridgeVLAN\0" |
7d5cac19 | 270 | "IPv6PrefixDelegation\0" |
9d5d0090 | 271 | "IPv6Prefix\0", |
23bb31aa | 272 | config_item_perf_lookup, network_network_gperf_lookup, |
bcde742e | 273 | CONFIG_PARSE_WARN, network); |
36f822c4 | 274 | if (r < 0) |
f579559b | 275 | return r; |
f579559b | 276 | |
add8d07d | 277 | network_apply_anonymize_if_set(network); |
278 | ||
5a8bcb67 LP |
279 | /* IPMasquerade=yes implies IPForward=yes */ |
280 | if (network->ip_masquerade) | |
769d324c | 281 | network->ip_forward |= ADDRESS_FAMILY_IPV4; |
5a8bcb67 | 282 | |
f579559b | 283 | LIST_PREPEND(networks, manager->networks, network); |
b3070dc0 | 284 | |
dbffab87 TG |
285 | r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops); |
286 | if (r < 0) | |
287 | return r; | |
288 | ||
289 | r = hashmap_put(manager->networks_by_name, network->name, network); | |
290 | if (r < 0) | |
291 | return r; | |
292 | ||
3d3d4255 | 293 | LIST_FOREACH(routes, route, network->static_routes) { |
b3070dc0 TG |
294 | if (!route->family) { |
295 | log_warning("Route section without Gateway field configured in %s. " | |
296 | "Ignoring", filename); | |
297 | return 0; | |
298 | } | |
b3070dc0 TG |
299 | } |
300 | ||
3d3d4255 | 301 | LIST_FOREACH(addresses, address, network->static_addresses) { |
b3070dc0 TG |
302 | if (!address->family) { |
303 | log_warning("Address section without Address field configured in %s. " | |
304 | "Ignoring", filename); | |
305 | return 0; | |
306 | } | |
307 | } | |
308 | ||
f579559b TG |
309 | network = NULL; |
310 | ||
311 | return 0; | |
312 | } | |
313 | ||
314 | int network_load(Manager *manager) { | |
315 | Network *network; | |
477e73b5 ZJS |
316 | _cleanup_strv_free_ char **files = NULL; |
317 | char **f; | |
f579559b TG |
318 | int r; |
319 | ||
320 | assert(manager); | |
321 | ||
322 | while ((network = manager->networks)) | |
323 | network_free(network); | |
324 | ||
b5084605 | 325 | r = conf_files_list_strv(&files, ".network", NULL, 0, network_dirs); |
f647962d MS |
326 | if (r < 0) |
327 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b TG |
328 | |
329 | STRV_FOREACH_BACKWARDS(f, files) { | |
330 | r = network_load_one(manager, *f); | |
331 | if (r < 0) | |
332 | return r; | |
333 | } | |
334 | ||
f579559b TG |
335 | return 0; |
336 | } | |
337 | ||
f579559b | 338 | void network_free(Network *network) { |
a0e5c15d | 339 | IPv6ProxyNDPAddress *ipv6_proxy_ndp_address; |
bce67bbe SS |
340 | RoutingPolicyRule *rule; |
341 | FdbEntry *fdb_entry; | |
95b74ef6 | 342 | AddressLabel *label; |
057abfd8 | 343 | Prefix *prefix; |
bce67bbe SS |
344 | Address *address; |
345 | NetDev *netdev; | |
346 | Route *route; | |
06f021a8 | 347 | Iterator i; |
f579559b TG |
348 | |
349 | if (!network) | |
350 | return; | |
351 | ||
352 | free(network->filename); | |
353 | ||
354 | free(network->match_mac); | |
5256e00e TG |
355 | strv_free(network->match_path); |
356 | strv_free(network->match_driver); | |
357 | strv_free(network->match_type); | |
358 | strv_free(network->match_name); | |
f579559b TG |
359 | |
360 | free(network->description); | |
edb85f0d | 361 | free(network->dhcp_vendor_class_identifier); |
27cb34f5 | 362 | free(network->dhcp_hostname); |
f579559b | 363 | |
c106cc36 TG |
364 | free(network->mac); |
365 | ||
b0e39c82 | 366 | strv_free(network->ntp); |
5512a963 | 367 | free(network->dns); |
3df9bec5 LP |
368 | strv_free(network->search_domains); |
369 | strv_free(network->route_domains); | |
0d4ad91d | 370 | strv_free(network->bind_carrier); |
3bef724f | 371 | |
47e2dc31 | 372 | netdev_unref(network->bridge); |
47e2dc31 | 373 | netdev_unref(network->bond); |
6cb955c6 | 374 | netdev_unref(network->vrf); |
47e2dc31 | 375 | |
2c36be2f TG |
376 | HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) { |
377 | hashmap_remove(network->stacked_netdevs, netdev->ifname); | |
326cb406 | 378 | netdev_unref(netdev); |
2c36be2f | 379 | } |
6a0a2f86 | 380 | hashmap_free(network->stacked_netdevs); |
326cb406 | 381 | |
f048a16b | 382 | while ((route = network->static_routes)) |
f579559b TG |
383 | route_free(route); |
384 | ||
f048a16b | 385 | while ((address = network->static_addresses)) |
f579559b TG |
386 | address_free(address); |
387 | ||
b98b483b AR |
388 | while ((fdb_entry = network->static_fdb_entries)) |
389 | fdb_entry_free(fdb_entry); | |
390 | ||
a0e5c15d FK |
391 | while ((ipv6_proxy_ndp_address = network->ipv6_proxy_ndp_addresses)) |
392 | ipv6_proxy_ndp_address_free(ipv6_proxy_ndp_address); | |
393 | ||
95b74ef6 SS |
394 | while ((label = network->address_labels)) |
395 | address_label_free(label); | |
396 | ||
057abfd8 PF |
397 | while ((prefix = network->static_prefixes)) |
398 | prefix_free(prefix); | |
399 | ||
bce67bbe SS |
400 | while ((rule = network->rules)) |
401 | routing_policy_rule_free(rule); | |
402 | ||
6ae115c1 TG |
403 | hashmap_free(network->addresses_by_section); |
404 | hashmap_free(network->routes_by_section); | |
b98b483b | 405 | hashmap_free(network->fdb_entries_by_section); |
95b74ef6 | 406 | hashmap_free(network->address_labels_by_section); |
057abfd8 | 407 | hashmap_free(network->prefixes_by_section); |
bce67bbe | 408 | hashmap_free(network->rules_by_section); |
6ae115c1 | 409 | |
dbffab87 TG |
410 | if (network->manager) { |
411 | if (network->manager->networks) | |
412 | LIST_REMOVE(networks, network->manager->networks, network); | |
413 | ||
414 | if (network->manager->networks_by_name) | |
415 | hashmap_remove(network->manager->networks_by_name, network->name); | |
416 | } | |
417 | ||
418 | free(network->name); | |
f579559b | 419 | |
79e16ce3 LP |
420 | condition_free_list(network->match_host); |
421 | condition_free_list(network->match_virt); | |
5022f08a LP |
422 | condition_free_list(network->match_kernel_cmdline); |
423 | condition_free_list(network->match_kernel_version); | |
79e16ce3 LP |
424 | condition_free_list(network->match_arch); |
425 | ||
8eb9058d | 426 | free(network->dhcp_server_timezone); |
1a04db0f LP |
427 | free(network->dhcp_server_dns); |
428 | free(network->dhcp_server_ntp); | |
8eb9058d | 429 | |
8a516214 LP |
430 | set_free_free(network->dnssec_negative_trust_anchors); |
431 | ||
f579559b TG |
432 | free(network); |
433 | } | |
434 | ||
dbffab87 TG |
435 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
436 | Network *network; | |
437 | ||
438 | assert(manager); | |
439 | assert(name); | |
440 | assert(ret); | |
441 | ||
442 | network = hashmap_get(manager->networks_by_name, name); | |
443 | if (!network) | |
444 | return -ENOENT; | |
445 | ||
446 | *ret = network; | |
447 | ||
448 | return 0; | |
449 | } | |
450 | ||
505f8da7 TG |
451 | int network_get(Manager *manager, struct udev_device *device, |
452 | const char *ifname, const struct ether_addr *address, | |
453 | Network **ret) { | |
f579559b | 454 | Network *network; |
af3aa302 | 455 | struct udev_device *parent; |
24c083df | 456 | const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL; |
f579559b TG |
457 | |
458 | assert(manager); | |
f579559b | 459 | assert(ret); |
af3aa302 | 460 | |
24c083df TG |
461 | if (device) { |
462 | path = udev_device_get_property_value(device, "ID_PATH"); | |
af3aa302 | 463 | |
24c083df TG |
464 | parent = udev_device_get_parent(device); |
465 | if (parent) | |
466 | parent_driver = udev_device_get_driver(parent); | |
af3aa302 | 467 | |
24c083df | 468 | driver = udev_device_get_property_value(device, "ID_NET_DRIVER"); |
af3aa302 | 469 | |
24c083df TG |
470 | devtype = udev_device_get_devtype(device); |
471 | } | |
f579559b | 472 | |
f579559b TG |
473 | LIST_FOREACH(networks, network, manager->networks) { |
474 | if (net_match_config(network->match_mac, network->match_path, | |
505f8da7 TG |
475 | network->match_driver, network->match_type, |
476 | network->match_name, network->match_host, | |
5022f08a LP |
477 | network->match_virt, network->match_kernel_cmdline, |
478 | network->match_kernel_version, network->match_arch, | |
af3aa302 TG |
479 | address, path, parent_driver, driver, |
480 | devtype, ifname)) { | |
24c083df | 481 | if (network->match_name && device) { |
ca6038b8 TG |
482 | const char *attr; |
483 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
484 | ||
32bc8adc | 485 | attr = udev_device_get_sysattr_value(device, "name_assign_type"); |
285760fe | 486 | if (attr) |
dc751688 | 487 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
488 | |
489 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
490 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
491 | ifname, network->filename); | |
32bc8adc | 492 | else |
a2fae7bb | 493 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 494 | } else |
a2fae7bb | 495 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 496 | |
f579559b TG |
497 | *ret = network; |
498 | return 0; | |
499 | } | |
500 | } | |
501 | ||
502 | *ret = NULL; | |
503 | ||
504 | return -ENOENT; | |
505 | } | |
506 | ||
7d342c03 | 507 | int network_apply(Network *network, Link *link) { |
f579559b TG |
508 | int r; |
509 | ||
c4a03a56 TG |
510 | assert(network); |
511 | assert(link); | |
512 | ||
f579559b TG |
513 | link->network = network; |
514 | ||
bfa695b5 TG |
515 | if (network->ipv4ll_route) { |
516 | Route *route; | |
517 | ||
0b180d75 | 518 | r = route_new_static(network, NULL, 0, &route); |
bfa695b5 TG |
519 | if (r < 0) |
520 | return r; | |
521 | ||
2ce40956 | 522 | r = inet_pton(AF_INET, "169.254.0.0", &route->dst.in); |
bfa695b5 TG |
523 | if (r == 0) |
524 | return -EINVAL; | |
525 | if (r < 0) | |
526 | return -errno; | |
527 | ||
528 | route->family = AF_INET; | |
529 | route->dst_prefixlen = 16; | |
530 | route->scope = RT_SCOPE_LINK; | |
86655331 | 531 | route->priority = IPV4LL_ROUTE_METRIC; |
bfa695b5 TG |
532 | route->protocol = RTPROT_STATIC; |
533 | } | |
534 | ||
5512a963 | 535 | if (network->n_dns > 0 || |
3df9bec5 LP |
536 | !strv_isempty(network->ntp) || |
537 | !strv_isempty(network->search_domains) || | |
2ad6b610 | 538 | !strv_isempty(network->route_domains)) |
84de38c5 | 539 | link_dirty(link); |
3bef724f | 540 | |
f579559b TG |
541 | return 0; |
542 | } | |
02b59d57 | 543 | |
439689c6 SS |
544 | bool network_has_static_ipv6_addresses(Network *network) { |
545 | Address *address; | |
546 | ||
547 | assert(network); | |
548 | ||
549 | LIST_FOREACH(addresses, address, network->static_addresses) { | |
550 | if (address->family == AF_INET6) | |
551 | return true; | |
552 | } | |
553 | ||
554 | return false; | |
555 | } | |
556 | ||
69a93e7d | 557 | int config_parse_netdev(const char *unit, |
02b59d57 TG |
558 | const char *filename, |
559 | unsigned line, | |
560 | const char *section, | |
561 | unsigned section_line, | |
562 | const char *lvalue, | |
563 | int ltype, | |
564 | const char *rvalue, | |
565 | void *data, | |
566 | void *userdata) { | |
567 | Network *network = userdata; | |
31d0ac36 TG |
568 | _cleanup_free_ char *kind_string = NULL; |
569 | char *p; | |
1a436809 | 570 | NetDev *netdev; |
69a93e7d | 571 | NetDevKind kind; |
02b59d57 TG |
572 | int r; |
573 | ||
574 | assert(filename); | |
575 | assert(lvalue); | |
576 | assert(rvalue); | |
577 | assert(data); | |
578 | ||
69a93e7d TG |
579 | kind_string = strdup(lvalue); |
580 | if (!kind_string) | |
581 | return log_oom(); | |
52433f6b | 582 | |
69a93e7d TG |
583 | /* the keys are CamelCase versions of the kind */ |
584 | for (p = kind_string; *p; p++) | |
585 | *p = tolower(*p); | |
52433f6b | 586 | |
69a93e7d TG |
587 | kind = netdev_kind_from_string(kind_string); |
588 | if (kind == _NETDEV_KIND_INVALID) { | |
12ca818f | 589 | log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid NetDev kind: %s", lvalue); |
52433f6b TG |
590 | return 0; |
591 | } | |
592 | ||
54abf461 TG |
593 | r = netdev_get(network->manager, rvalue, &netdev); |
594 | if (r < 0) { | |
12ca818f | 595 | log_syntax(unit, LOG_ERR, filename, line, r, "%s could not be found, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
596 | return 0; |
597 | } | |
598 | ||
69a93e7d | 599 | if (netdev->kind != kind) { |
12ca818f | 600 | log_syntax(unit, LOG_ERR, filename, line, 0, "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
601 | return 0; |
602 | } | |
603 | ||
69a93e7d TG |
604 | switch (kind) { |
605 | case NETDEV_KIND_BRIDGE: | |
606 | network->bridge = netdev; | |
54abf461 | 607 | |
69a93e7d TG |
608 | break; |
609 | case NETDEV_KIND_BOND: | |
610 | network->bond = netdev; | |
fe6b2d55 | 611 | |
6cb955c6 AR |
612 | break; |
613 | case NETDEV_KIND_VRF: | |
614 | network->vrf = netdev; | |
615 | ||
69a93e7d TG |
616 | break; |
617 | case NETDEV_KIND_VLAN: | |
69a93e7d | 618 | case NETDEV_KIND_MACVLAN: |
f33ff02b | 619 | case NETDEV_KIND_MACVTAP: |
c4a5ddc9 | 620 | case NETDEV_KIND_IPVLAN: |
326cb406 | 621 | case NETDEV_KIND_VXLAN: |
92c918b0 | 622 | case NETDEV_KIND_VCAN: |
6a0a2f86 | 623 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
326cb406 | 624 | if (r < 0) { |
87ac8d99 | 625 | log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add NetDev '%s' to network: %m", rvalue); |
326cb406 SS |
626 | return 0; |
627 | } | |
628 | ||
69a93e7d TG |
629 | break; |
630 | default: | |
87ac8d99 | 631 | assert_not_reached("Cannot parse NetDev"); |
fe6b2d55 TG |
632 | } |
633 | ||
47e2dc31 TG |
634 | netdev_ref(netdev); |
635 | ||
fe6b2d55 TG |
636 | return 0; |
637 | } | |
7951dea2 | 638 | |
3df9bec5 LP |
639 | int config_parse_domains( |
640 | const char *unit, | |
641 | const char *filename, | |
642 | unsigned line, | |
643 | const char *section, | |
644 | unsigned section_line, | |
645 | const char *lvalue, | |
646 | int ltype, | |
647 | const char *rvalue, | |
648 | void *data, | |
649 | void *userdata) { | |
650 | ||
651 | const char *p; | |
652 | Network *n = data; | |
6192b846 TG |
653 | int r; |
654 | ||
3df9bec5 LP |
655 | assert(n); |
656 | assert(lvalue); | |
657 | assert(rvalue); | |
6192b846 | 658 | |
3df9bec5 LP |
659 | if (isempty(rvalue)) { |
660 | n->search_domains = strv_free(n->search_domains); | |
661 | n->route_domains = strv_free(n->route_domains); | |
662 | return 0; | |
663 | } | |
67272d15 | 664 | |
3df9bec5 LP |
665 | p = rvalue; |
666 | for (;;) { | |
667 | _cleanup_free_ char *w = NULL, *normalized = NULL; | |
668 | const char *domain; | |
669 | bool is_route; | |
670 | ||
671 | r = extract_first_word(&p, &w, NULL, 0); | |
672 | if (r < 0) { | |
673 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract search or route domain, ignoring: %s", rvalue); | |
674 | break; | |
675 | } | |
676 | if (r == 0) | |
677 | break; | |
678 | ||
679 | is_route = w[0] == '~'; | |
680 | domain = is_route ? w + 1 : w; | |
681 | ||
682 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
683 | /* If the root domain appears as is, or the special token "*" is found, we'll consider this as | |
684 | * routing domain, unconditionally. */ | |
685 | is_route = true; | |
686 | domain = "."; /* make sure we don't allow empty strings, thus write the root domain as "." */ | |
687 | ||
688 | } else { | |
689 | r = dns_name_normalize(domain, &normalized); | |
690 | if (r < 0) { | |
691 | log_syntax(unit, LOG_ERR, filename, line, r, "'%s' is not a valid domain name, ignoring.", domain); | |
692 | continue; | |
693 | } | |
694 | ||
695 | domain = normalized; | |
696 | ||
697 | if (is_localhost(domain)) { | |
698 | 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 | 699 | continue; |
3df9bec5 | 700 | } |
37de2509 | 701 | } |
40274ed6 | 702 | |
3df9bec5 LP |
703 | if (is_route) { |
704 | r = strv_extend(&n->route_domains, domain); | |
705 | if (r < 0) | |
706 | return log_oom(); | |
40274ed6 | 707 | |
3df9bec5 LP |
708 | } else { |
709 | r = strv_extend(&n->search_domains, domain); | |
710 | if (r < 0) | |
711 | return log_oom(); | |
712 | } | |
40274ed6 | 713 | } |
f15b6e5a | 714 | |
3df9bec5 LP |
715 | strv_uniq(n->route_domains); |
716 | strv_uniq(n->search_domains); | |
717 | ||
6192b846 TG |
718 | return 0; |
719 | } | |
720 | ||
7951dea2 SS |
721 | int config_parse_tunnel(const char *unit, |
722 | const char *filename, | |
723 | unsigned line, | |
724 | const char *section, | |
725 | unsigned section_line, | |
726 | const char *lvalue, | |
727 | int ltype, | |
728 | const char *rvalue, | |
729 | void *data, | |
730 | void *userdata) { | |
731 | Network *network = userdata; | |
732 | NetDev *netdev; | |
733 | int r; | |
734 | ||
735 | assert(filename); | |
736 | assert(lvalue); | |
737 | assert(rvalue); | |
738 | assert(data); | |
739 | ||
740 | r = netdev_get(network->manager, rvalue, &netdev); | |
741 | if (r < 0) { | |
6a7a4e4d | 742 | log_syntax(unit, LOG_ERR, filename, line, r, "Tunnel is invalid, ignoring assignment: %s", rvalue); |
7951dea2 SS |
743 | return 0; |
744 | } | |
745 | ||
d29ad81e ZJS |
746 | if (!IN_SET(netdev->kind, |
747 | NETDEV_KIND_IPIP, | |
748 | NETDEV_KIND_SIT, | |
749 | NETDEV_KIND_GRE, | |
750 | NETDEV_KIND_GRETAP, | |
751 | NETDEV_KIND_IP6GRE, | |
752 | NETDEV_KIND_IP6GRETAP, | |
753 | NETDEV_KIND_VTI, | |
754 | NETDEV_KIND_VTI6, | |
755 | NETDEV_KIND_IP6TNL)) { | |
12ca818f | 756 | log_syntax(unit, LOG_ERR, filename, line, 0, |
7951dea2 SS |
757 | "NetDev is not a tunnel, ignoring assignment: %s", rvalue); |
758 | return 0; | |
759 | } | |
760 | ||
6a0a2f86 TG |
761 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
762 | if (r < 0) { | |
6a7a4e4d | 763 | log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue); |
6a0a2f86 TG |
764 | return 0; |
765 | } | |
766 | ||
767 | netdev_ref(netdev); | |
7951dea2 SS |
768 | |
769 | return 0; | |
770 | } | |
bd8f6538 | 771 | |
d0d6a4cd TG |
772 | int config_parse_ipv4ll( |
773 | const char* unit, | |
774 | const char *filename, | |
775 | unsigned line, | |
776 | const char *section, | |
777 | unsigned section_line, | |
778 | const char *lvalue, | |
779 | int ltype, | |
780 | const char *rvalue, | |
781 | void *data, | |
782 | void *userdata) { | |
783 | ||
784 | AddressFamilyBoolean *link_local = data; | |
785 | ||
786 | assert(filename); | |
787 | assert(lvalue); | |
788 | assert(rvalue); | |
789 | assert(data); | |
790 | ||
791 | /* Note that this is mostly like | |
792 | * config_parse_address_family_boolean(), except that it | |
793 | * applies only to IPv4 */ | |
794 | ||
5883ff60 | 795 | SET_FLAG(*link_local, ADDRESS_FAMILY_IPV4, parse_boolean(rvalue)); |
d0d6a4cd TG |
796 | |
797 | return 0; | |
798 | } | |
799 | ||
bd8f6538 TG |
800 | int config_parse_dhcp( |
801 | const char* unit, | |
802 | const char *filename, | |
803 | unsigned line, | |
804 | const char *section, | |
805 | unsigned section_line, | |
806 | const char *lvalue, | |
807 | int ltype, | |
808 | const char *rvalue, | |
809 | void *data, | |
810 | void *userdata) { | |
811 | ||
cb9fc36a | 812 | AddressFamilyBoolean *dhcp = data, s; |
bd8f6538 TG |
813 | |
814 | assert(filename); | |
815 | assert(lvalue); | |
816 | assert(rvalue); | |
817 | assert(data); | |
818 | ||
769d324c LP |
819 | /* Note that this is mostly like |
820 | * config_parse_address_family_boolean(), except that it | |
821 | * understands some old names for the enum values */ | |
822 | ||
cb9fc36a LP |
823 | s = address_family_boolean_from_string(rvalue); |
824 | if (s < 0) { | |
825 | ||
826 | /* Previously, we had a slightly different enum here, | |
827 | * support its values for compatbility. */ | |
828 | ||
829 | if (streq(rvalue, "none")) | |
830 | s = ADDRESS_FAMILY_NO; | |
831 | else if (streq(rvalue, "v4")) | |
832 | s = ADDRESS_FAMILY_IPV4; | |
833 | else if (streq(rvalue, "v6")) | |
834 | s = ADDRESS_FAMILY_IPV6; | |
835 | else if (streq(rvalue, "both")) | |
836 | s = ADDRESS_FAMILY_YES; | |
837 | else { | |
12ca818f | 838 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DHCP option, ignoring: %s", rvalue); |
bd8f6538 TG |
839 | return 0; |
840 | } | |
bd8f6538 TG |
841 | } |
842 | ||
cb9fc36a | 843 | *dhcp = s; |
bd8f6538 TG |
844 | return 0; |
845 | } | |
846 | ||
3e43b2cd JJ |
847 | static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = { |
848 | [DHCP_CLIENT_ID_MAC] = "mac", | |
dace710c YW |
849 | [DHCP_CLIENT_ID_DUID] = "duid", |
850 | [DHCP_CLIENT_ID_DUID_ONLY] = "duid-only", | |
3e43b2cd JJ |
851 | }; |
852 | ||
499d555a SS |
853 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DHCPClientIdentifier); |
854 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DHCPClientIdentifier, "Failed to parse client identifier type"); | |
3e43b2cd | 855 | |
60c35566 | 856 | int config_parse_ipv6token( |
7f77697a TG |
857 | const char* unit, |
858 | const char *filename, | |
859 | unsigned line, | |
860 | const char *section, | |
861 | unsigned section_line, | |
862 | const char *lvalue, | |
863 | int ltype, | |
864 | const char *rvalue, | |
865 | void *data, | |
866 | void *userdata) { | |
867 | ||
868 | union in_addr_union buffer; | |
869 | struct in6_addr *token = data; | |
870 | int r; | |
871 | ||
872 | assert(filename); | |
873 | assert(lvalue); | |
874 | assert(rvalue); | |
875 | assert(token); | |
876 | ||
877 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
878 | if (r < 0) { | |
6a7a4e4d | 879 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
880 | return 0; |
881 | } | |
882 | ||
883 | r = in_addr_is_null(AF_INET6, &buffer); | |
12ca818f | 884 | if (r != 0) { |
87ac8d99 | 885 | log_syntax(unit, LOG_ERR, filename, line, r, "IPv6 token cannot be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
886 | return 0; |
887 | } | |
888 | ||
889 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
87ac8d99 | 890 | log_syntax(unit, LOG_ERR, filename, line, 0, "IPv6 token cannot be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
891 | return 0; |
892 | } | |
893 | ||
894 | *token = buffer.in6; | |
895 | ||
896 | return 0; | |
897 | } | |
8add5f79 | 898 | |
49092e22 | 899 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
900 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
901 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
902 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
903 | }; |
904 | ||
905 | DEFINE_STRING_TABLE_LOOKUP(ipv6_privacy_extensions, IPv6PrivacyExtensions); | |
906 | ||
907 | int config_parse_ipv6_privacy_extensions( | |
908 | const char* unit, | |
909 | const char *filename, | |
910 | unsigned line, | |
911 | const char *section, | |
912 | unsigned section_line, | |
913 | const char *lvalue, | |
914 | int ltype, | |
915 | const char *rvalue, | |
916 | void *data, | |
917 | void *userdata) { | |
918 | ||
919 | IPv6PrivacyExtensions *ipv6_privacy_extensions = data; | |
920 | int k; | |
921 | ||
922 | assert(filename); | |
923 | assert(lvalue); | |
924 | assert(rvalue); | |
925 | assert(ipv6_privacy_extensions); | |
926 | ||
927 | /* Our enum shall be a superset of booleans, hence first try | |
928 | * to parse as boolean, and then as enum */ | |
929 | ||
930 | k = parse_boolean(rvalue); | |
931 | if (k > 0) | |
1f0d9695 | 932 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_YES; |
49092e22 | 933 | else if (k == 0) |
1f0d9695 | 934 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
49092e22 | 935 | else { |
1f0d9695 | 936 | IPv6PrivacyExtensions s; |
49092e22 SS |
937 | |
938 | s = ipv6_privacy_extensions_from_string(rvalue); | |
1f0d9695 LP |
939 | if (s < 0) { |
940 | ||
941 | if (streq(rvalue, "kernel")) | |
942 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
943 | else { | |
12ca818f | 944 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1f0d9695 LP |
945 | return 0; |
946 | } | |
49092e22 SS |
947 | } |
948 | ||
949 | *ipv6_privacy_extensions = s; | |
950 | } | |
951 | ||
952 | return 0; | |
953 | } | |
a7d0ef44 | 954 | |
1ac608c9 LP |
955 | int config_parse_hostname( |
956 | const char *unit, | |
957 | const char *filename, | |
958 | unsigned line, | |
959 | const char *section, | |
960 | unsigned section_line, | |
961 | const char *lvalue, | |
962 | int ltype, | |
963 | const char *rvalue, | |
964 | void *data, | |
965 | void *userdata) { | |
966 | ||
967 | char **hostname = data, *hn = NULL; | |
a7d0ef44 SS |
968 | int r; |
969 | ||
970 | assert(filename); | |
971 | assert(lvalue); | |
972 | assert(rvalue); | |
973 | ||
1ac608c9 | 974 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
975 | if (r < 0) |
976 | return r; | |
977 | ||
1ac608c9 | 978 | if (!hostname_is_valid(hn, false)) { |
12ca818f | 979 | log_syntax(unit, LOG_ERR, filename, line, 0, "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
980 | free(hn); |
981 | return 0; | |
982 | } | |
983 | ||
1ac608c9 | 984 | free(*hostname); |
ae691c1d | 985 | *hostname = hostname_cleanup(hn); |
a7d0ef44 SS |
986 | return 0; |
987 | } | |
8eb9058d LP |
988 | |
989 | int config_parse_timezone( | |
990 | const char *unit, | |
991 | const char *filename, | |
992 | unsigned line, | |
993 | const char *section, | |
994 | unsigned section_line, | |
995 | const char *lvalue, | |
996 | int ltype, | |
997 | const char *rvalue, | |
998 | void *data, | |
999 | void *userdata) { | |
1000 | ||
64d6c229 | 1001 | char **datap = data, *tz = NULL; |
8eb9058d LP |
1002 | int r; |
1003 | ||
1004 | assert(filename); | |
1005 | assert(lvalue); | |
1006 | assert(rvalue); | |
1007 | ||
1008 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1009 | if (r < 0) | |
1010 | return r; | |
1011 | ||
1012 | if (!timezone_is_valid(tz)) { | |
12ca818f | 1013 | log_syntax(unit, LOG_ERR, filename, line, 0, "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1014 | free(tz); |
1015 | return 0; | |
1016 | } | |
1017 | ||
64d6c229 TA |
1018 | free(*datap); |
1019 | *datap = tz; | |
8eb9058d LP |
1020 | |
1021 | return 0; | |
1022 | } | |
1a04db0f LP |
1023 | |
1024 | int config_parse_dhcp_server_dns( | |
1025 | const char *unit, | |
1026 | const char *filename, | |
1027 | unsigned line, | |
1028 | const char *section, | |
1029 | unsigned section_line, | |
1030 | const char *lvalue, | |
1031 | int ltype, | |
1032 | const char *rvalue, | |
1033 | void *data, | |
1034 | void *userdata) { | |
1035 | ||
1036 | Network *n = data; | |
1037 | const char *p = rvalue; | |
1038 | int r; | |
1039 | ||
1040 | assert(filename); | |
1041 | assert(lvalue); | |
1042 | assert(rvalue); | |
1043 | ||
1044 | for (;;) { | |
1045 | _cleanup_free_ char *w = NULL; | |
1046 | struct in_addr a, *m; | |
1047 | ||
1048 | r = extract_first_word(&p, &w, NULL, 0); | |
fa105ce6 LP |
1049 | if (r == -ENOMEM) |
1050 | return log_oom(); | |
1a04db0f LP |
1051 | if (r < 0) { |
1052 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1053 | return 0; | |
1054 | } | |
1a04db0f | 1055 | if (r == 0) |
fa105ce6 | 1056 | break; |
1a04db0f LP |
1057 | |
1058 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 1059 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); |
1a04db0f LP |
1060 | continue; |
1061 | } | |
1062 | ||
62d74c78 | 1063 | m = reallocarray(n->dhcp_server_dns, n->n_dhcp_server_dns + 1, sizeof(struct in_addr)); |
1a04db0f LP |
1064 | if (!m) |
1065 | return log_oom(); | |
1066 | ||
1067 | m[n->n_dhcp_server_dns++] = a; | |
1068 | n->dhcp_server_dns = m; | |
1069 | } | |
fa105ce6 | 1070 | |
88295a05 PF |
1071 | return 0; |
1072 | } | |
1073 | ||
1074 | int config_parse_radv_dns( | |
1075 | const char *unit, | |
1076 | const char *filename, | |
1077 | unsigned line, | |
1078 | const char *section, | |
1079 | unsigned section_line, | |
1080 | const char *lvalue, | |
1081 | int ltype, | |
1082 | const char *rvalue, | |
1083 | void *data, | |
1084 | void *userdata) { | |
1085 | ||
1086 | Network *n = data; | |
1087 | const char *p = rvalue; | |
1088 | int r; | |
1089 | ||
1090 | assert(filename); | |
1091 | assert(lvalue); | |
1092 | assert(rvalue); | |
1093 | ||
1094 | for (;;) { | |
1095 | _cleanup_free_ char *w = NULL; | |
1096 | union in_addr_union a; | |
1097 | ||
1098 | r = extract_first_word(&p, &w, NULL, 0); | |
1099 | if (r == -ENOMEM) | |
1100 | return log_oom(); | |
1101 | if (r < 0) { | |
1102 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1103 | return 0; | |
1104 | } | |
1105 | if (r == 0) | |
1106 | break; | |
1107 | ||
1108 | if (in_addr_from_string(AF_INET6, w, &a) >= 0) { | |
1109 | struct in6_addr *m; | |
1110 | ||
62d74c78 | 1111 | m = reallocarray(n->router_dns, n->n_router_dns + 1, sizeof(struct in6_addr)); |
88295a05 PF |
1112 | if (!m) |
1113 | return log_oom(); | |
1114 | ||
1115 | m[n->n_router_dns++] = a.in6; | |
1116 | n->router_dns = m; | |
1117 | ||
1118 | } else | |
1119 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); | |
1120 | ||
1121 | } | |
1122 | ||
700f1186 PF |
1123 | return 0; |
1124 | } | |
1125 | ||
1126 | int config_parse_radv_search_domains( | |
1127 | const char *unit, | |
1128 | const char *filename, | |
1129 | unsigned line, | |
1130 | const char *section, | |
1131 | unsigned section_line, | |
1132 | const char *lvalue, | |
1133 | int ltype, | |
1134 | const char *rvalue, | |
1135 | void *data, | |
1136 | void *userdata) { | |
1137 | ||
1138 | Network *n = data; | |
1139 | const char *p = rvalue; | |
1140 | int r; | |
1141 | ||
1142 | assert(filename); | |
1143 | assert(lvalue); | |
1144 | assert(rvalue); | |
1145 | ||
1146 | for (;;) { | |
1147 | _cleanup_free_ char *w = NULL; | |
1148 | _cleanup_free_ char *idna = NULL; | |
1149 | ||
1150 | r = extract_first_word(&p, &w, NULL, 0); | |
1151 | if (r == -ENOMEM) | |
1152 | return log_oom(); | |
1153 | if (r < 0) { | |
1154 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
1155 | return 0; | |
1156 | } | |
1157 | if (r == 0) | |
1158 | break; | |
1159 | ||
1160 | r = dns_name_apply_idna(w, &idna); | |
1161 | if (r > 0) { | |
1162 | r = strv_push(&n->router_search_domains, idna); | |
1163 | if (r >= 0) | |
1164 | idna = NULL; | |
1165 | } else if (r == 0) { | |
1166 | r = strv_push(&n->router_search_domains, w); | |
1167 | if (r >= 0) | |
1168 | w = NULL; | |
1169 | } | |
1170 | } | |
1171 | ||
fa105ce6 | 1172 | return 0; |
1a04db0f LP |
1173 | } |
1174 | ||
1175 | int config_parse_dhcp_server_ntp( | |
1176 | const char *unit, | |
1177 | const char *filename, | |
1178 | unsigned line, | |
1179 | const char *section, | |
1180 | unsigned section_line, | |
1181 | const char *lvalue, | |
1182 | int ltype, | |
1183 | const char *rvalue, | |
1184 | void *data, | |
1185 | void *userdata) { | |
1186 | ||
1187 | Network *n = data; | |
1188 | const char *p = rvalue; | |
1189 | int r; | |
1190 | ||
1191 | assert(filename); | |
1192 | assert(lvalue); | |
1193 | assert(rvalue); | |
1194 | ||
1195 | for (;;) { | |
1196 | _cleanup_free_ char *w = NULL; | |
1197 | struct in_addr a, *m; | |
1198 | ||
1199 | r = extract_first_word(&p, &w, NULL, 0); | |
fa105ce6 LP |
1200 | if (r == -ENOMEM) |
1201 | return log_oom(); | |
1a04db0f | 1202 | if (r < 0) { |
12ca818f | 1203 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); |
1a04db0f LP |
1204 | return 0; |
1205 | } | |
1a04db0f LP |
1206 | if (r == 0) |
1207 | return 0; | |
1208 | ||
1209 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 1210 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse NTP server address, ignoring: %s", w); |
1a04db0f LP |
1211 | continue; |
1212 | } | |
1213 | ||
62d74c78 | 1214 | m = reallocarray(n->dhcp_server_ntp, n->n_dhcp_server_ntp + 1, sizeof(struct in_addr)); |
1a04db0f LP |
1215 | if (!m) |
1216 | return log_oom(); | |
1217 | ||
1218 | m[n->n_dhcp_server_ntp++] = a; | |
1219 | n->dhcp_server_ntp = m; | |
1220 | } | |
1221 | } | |
8a516214 | 1222 | |
53253824 SS |
1223 | int config_parse_dns( |
1224 | const char *unit, | |
1225 | const char *filename, | |
1226 | unsigned line, | |
1227 | const char *section, | |
1228 | unsigned section_line, | |
1229 | const char *lvalue, | |
1230 | int ltype, | |
1231 | const char *rvalue, | |
1232 | void *data, | |
1233 | void *userdata) { | |
1234 | ||
1235 | Network *n = userdata; | |
1236 | int r; | |
1237 | ||
1238 | assert(filename); | |
1239 | assert(lvalue); | |
1240 | assert(rvalue); | |
1241 | ||
1242 | for (;;) { | |
1243 | _cleanup_free_ char *w = NULL; | |
1244 | union in_addr_union a; | |
5512a963 | 1245 | struct in_addr_data *m; |
53253824 SS |
1246 | int family; |
1247 | ||
5512a963 | 1248 | r = extract_first_word(&rvalue, &w, NULL, 0); |
53253824 SS |
1249 | if (r == -ENOMEM) |
1250 | return log_oom(); | |
1251 | if (r < 0) { | |
1252 | log_syntax(unit, LOG_ERR, filename, line, r, "Invalid syntax, ignoring: %s", rvalue); | |
1253 | break; | |
1254 | } | |
5512a963 LP |
1255 | if (r == 0) |
1256 | break; | |
53253824 SS |
1257 | |
1258 | r = in_addr_from_string_auto(w, &family, &a); | |
1259 | if (r < 0) { | |
5512a963 | 1260 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1261 | continue; |
1262 | } | |
1263 | ||
62d74c78 | 1264 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_data)); |
5512a963 | 1265 | if (!m) |
53253824 SS |
1266 | return log_oom(); |
1267 | ||
5512a963 LP |
1268 | m[n->n_dns++] = (struct in_addr_data) { |
1269 | .family = family, | |
1270 | .address = a, | |
1271 | }; | |
1272 | ||
1273 | n->dns = m; | |
53253824 SS |
1274 | } |
1275 | ||
1276 | return 0; | |
1277 | } | |
1278 | ||
8a516214 LP |
1279 | int config_parse_dnssec_negative_trust_anchors( |
1280 | const char *unit, | |
1281 | const char *filename, | |
1282 | unsigned line, | |
1283 | const char *section, | |
1284 | unsigned section_line, | |
1285 | const char *lvalue, | |
1286 | int ltype, | |
1287 | const char *rvalue, | |
1288 | void *data, | |
1289 | void *userdata) { | |
1290 | ||
1291 | const char *p = rvalue; | |
1292 | Network *n = data; | |
1293 | int r; | |
1294 | ||
3df9bec5 | 1295 | assert(n); |
8a516214 LP |
1296 | assert(lvalue); |
1297 | assert(rvalue); | |
1298 | ||
1299 | if (isempty(rvalue)) { | |
1300 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | for (;;) { | |
1305 | _cleanup_free_ char *w = NULL; | |
1306 | ||
1307 | r = extract_first_word(&p, &w, NULL, 0); | |
1308 | if (r < 0) { | |
1309 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); | |
1310 | break; | |
1311 | } | |
1312 | if (r == 0) | |
1313 | break; | |
1314 | ||
1315 | r = dns_name_is_valid(w); | |
1316 | if (r <= 0) { | |
1317 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name, ignoring.", w); | |
1318 | continue; | |
1319 | } | |
1320 | ||
cbbf38ae LP |
1321 | r = set_ensure_allocated(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops); |
1322 | if (r < 0) | |
1323 | return log_oom(); | |
1324 | ||
8a516214 LP |
1325 | r = set_put(n->dnssec_negative_trust_anchors, w); |
1326 | if (r < 0) | |
1327 | return log_oom(); | |
1328 | if (r > 0) | |
1329 | w = NULL; | |
1330 | } | |
1331 | ||
1332 | return 0; | |
1333 | } | |
b2a81c0b | 1334 | |
26575990 LP |
1335 | int config_parse_ntp( |
1336 | const char *unit, | |
1337 | const char *filename, | |
1338 | unsigned line, | |
1339 | const char *section, | |
1340 | unsigned section_line, | |
1341 | const char *lvalue, | |
1342 | int ltype, | |
1343 | const char *rvalue, | |
1344 | void *data, | |
1345 | void *userdata) { | |
1346 | ||
1347 | char ***l = data; | |
1348 | int r; | |
1349 | ||
1350 | assert(l); | |
1351 | assert(lvalue); | |
1352 | assert(rvalue); | |
1353 | ||
1354 | if (isempty(rvalue)) { | |
1355 | *l = strv_free(*l); | |
1356 | return 0; | |
1357 | } | |
1358 | ||
1359 | for (;;) { | |
1360 | _cleanup_free_ char *w = NULL; | |
1361 | ||
1362 | r = extract_first_word(&rvalue, &w, NULL, 0); | |
1363 | if (r == -ENOMEM) | |
1364 | return log_oom(); | |
1365 | if (r < 0) { | |
1366 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract NTP server name, ignoring: %s", rvalue); | |
1367 | break; | |
1368 | } | |
1369 | if (r == 0) | |
1370 | break; | |
1371 | ||
1372 | r = dns_name_is_valid_or_address(w); | |
1373 | if (r <= 0) { | |
1374 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name or IP address, ignoring.", w); | |
1375 | continue; | |
1376 | } | |
1377 | ||
1378 | r = strv_push(l, w); | |
1379 | if (r < 0) | |
1380 | return log_oom(); | |
1381 | ||
1382 | w = NULL; | |
1383 | } | |
1384 | ||
1385 | return 0; | |
1386 | } | |
1387 | ||
f594276b JK |
1388 | int config_parse_dhcp_route_table(const char *unit, |
1389 | const char *filename, | |
1390 | unsigned line, | |
1391 | const char *section, | |
1392 | unsigned section_line, | |
1393 | const char *lvalue, | |
1394 | int ltype, | |
1395 | const char *rvalue, | |
1396 | void *data, | |
1397 | void *userdata) { | |
fc1ba79d | 1398 | Network *network = data; |
f594276b JK |
1399 | uint32_t rt; |
1400 | int r; | |
1401 | ||
1402 | assert(filename); | |
1403 | assert(lvalue); | |
1404 | assert(rvalue); | |
1405 | assert(data); | |
1406 | ||
1407 | r = safe_atou32(rvalue, &rt); | |
1408 | if (r < 0) { | |
1409 | log_syntax(unit, LOG_ERR, filename, line, r, | |
1410 | "Unable to read RouteTable, ignoring assignment: %s", rvalue); | |
1411 | return 0; | |
1412 | } | |
1413 | ||
fc1ba79d AR |
1414 | network->dhcp_route_table = rt; |
1415 | network->dhcp_route_table_set = true; | |
f594276b JK |
1416 | |
1417 | return 0; | |
1418 | } | |
1419 | ||
11102cba SS |
1420 | int config_parse_ipv6_mtu( |
1421 | const char *unit, | |
1422 | const char *filename, | |
1423 | unsigned line, | |
1424 | const char *section, | |
1425 | unsigned section_line, | |
1426 | const char *lvalue, | |
1427 | int ltype, | |
1428 | const char *rvalue, | |
1429 | void *data, | |
1430 | void *userdata) { | |
1431 | ||
1432 | Network *network = data; | |
1433 | uint32_t mtu; | |
1434 | int r; | |
1435 | ||
1436 | assert(filename); | |
1437 | assert(lvalue); | |
1438 | assert(rvalue); | |
1439 | ||
1440 | r = safe_atou32(rvalue, &mtu); | |
1441 | if (r < 0) { | |
1442 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 MTU, ignoring assignment: %s", rvalue); | |
1443 | return 0; | |
1444 | } | |
1445 | ||
1446 | if (mtu < IPV6_MIN_MTU) { | |
1447 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 MTU for interface. Allowed minimum MTU is 1280 bytes, ignoring: %s", rvalue); | |
1448 | return 0; | |
1449 | } | |
1450 | ||
1451 | network->ipv6_mtu = mtu; | |
1452 | ||
1453 | return 0; | |
1454 | } | |
1455 | ||
b2a81c0b LP |
1456 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_use_domains, dhcp_use_domains, DHCPUseDomains, "Failed to parse DHCP use domains setting"); |
1457 | ||
1458 | static const char* const dhcp_use_domains_table[_DHCP_USE_DOMAINS_MAX] = { | |
1459 | [DHCP_USE_DOMAINS_NO] = "no", | |
1460 | [DHCP_USE_DOMAINS_ROUTE] = "route", | |
1461 | [DHCP_USE_DOMAINS_YES] = "yes", | |
1462 | }; | |
1463 | ||
1464 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dhcp_use_domains, DHCPUseDomains, DHCP_USE_DOMAINS_YES); | |
34437b4f LP |
1465 | |
1466 | DEFINE_CONFIG_PARSE_ENUM(config_parse_lldp_mode, lldp_mode, LLDPMode, "Failed to parse LLDP= setting."); | |
1467 | ||
1468 | static const char* const lldp_mode_table[_LLDP_MODE_MAX] = { | |
1469 | [LLDP_MODE_NO] = "no", | |
1470 | [LLDP_MODE_YES] = "yes", | |
1471 | [LLDP_MODE_ROUTERS_ONLY] = "routers-only", | |
1472 | }; | |
1473 | ||
1474 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(lldp_mode, LLDPMode, LLDP_MODE_YES); |