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f579559b TG |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
69a93e7d | 22 | #include <ctype.h> |
987efa17 | 23 | #include <net/if.h> |
69a93e7d | 24 | |
b5efdb8a | 25 | #include "alloc-util.h" |
f579559b TG |
26 | #include "conf-files.h" |
27 | #include "conf-parser.h" | |
37de2509 | 28 | #include "dns-domain.h" |
3ffd4af2 | 29 | #include "fd-util.h" |
07630cea | 30 | #include "hostname-util.h" |
fc2f9534 | 31 | #include "network-internal.h" |
3ffd4af2 | 32 | #include "networkd-network.h" |
fc2f9534 | 33 | #include "networkd.h" |
6bedfcbb | 34 | #include "parse-util.h" |
8a516214 | 35 | #include "set.h" |
8fcde012 | 36 | #include "stat-util.h" |
8b43440b | 37 | #include "string-table.h" |
07630cea LP |
38 | #include "string-util.h" |
39 | #include "util.h" | |
f579559b TG |
40 | |
41 | static int network_load_one(Manager *manager, const char *filename) { | |
42 | _cleanup_network_free_ Network *network = NULL; | |
43 | _cleanup_fclose_ FILE *file = NULL; | |
dbffab87 | 44 | char *d; |
b3070dc0 TG |
45 | Route *route; |
46 | Address *address; | |
f579559b TG |
47 | int r; |
48 | ||
bf1bc670 TA |
49 | assert(manager); |
50 | assert(filename); | |
51 | ||
f579559b TG |
52 | file = fopen(filename, "re"); |
53 | if (!file) { | |
54 | if (errno == ENOENT) | |
55 | return 0; | |
56 | else | |
ecb08ec6 | 57 | return -errno; |
f579559b TG |
58 | } |
59 | ||
ed88bcfb ZJS |
60 | if (null_or_empty_fd(fileno(file))) { |
61 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
62 | return 0; |
63 | } | |
64 | ||
f579559b TG |
65 | network = new0(Network, 1); |
66 | if (!network) | |
67 | return log_oom(); | |
68 | ||
5a3eb5a7 TG |
69 | network->manager = manager; |
70 | ||
f048a16b TG |
71 | LIST_HEAD_INIT(network->static_addresses); |
72 | LIST_HEAD_INIT(network->static_routes); | |
b98b483b | 73 | LIST_HEAD_INIT(network->static_fdb_entries); |
f579559b | 74 | |
d5099efc | 75 | network->stacked_netdevs = hashmap_new(&string_hash_ops); |
6a0a2f86 | 76 | if (!network->stacked_netdevs) |
326cb406 SS |
77 | return log_oom(); |
78 | ||
d5099efc | 79 | network->addresses_by_section = hashmap_new(NULL); |
6ae115c1 TG |
80 | if (!network->addresses_by_section) |
81 | return log_oom(); | |
82 | ||
d5099efc | 83 | network->routes_by_section = hashmap_new(NULL); |
6ae115c1 TG |
84 | if (!network->routes_by_section) |
85 | return log_oom(); | |
86 | ||
b98b483b AR |
87 | network->fdb_entries_by_section = hashmap_new(NULL); |
88 | if (!network->fdb_entries_by_section) | |
89 | return log_oom(); | |
90 | ||
6ae115c1 TG |
91 | network->filename = strdup(filename); |
92 | if (!network->filename) | |
93 | return log_oom(); | |
94 | ||
dbffab87 TG |
95 | network->name = strdup(basename(filename)); |
96 | if (!network->name) | |
97 | return log_oom(); | |
98 | ||
99 | d = strrchr(network->name, '.'); | |
100 | if (!d) | |
101 | return -EINVAL; | |
102 | ||
103 | assert(streq(d, ".network")); | |
104 | ||
105 | *d = '\0'; | |
106 | ||
cb9fc36a | 107 | network->dhcp = ADDRESS_FAMILY_NO; |
27cb34f5 LP |
108 | network->dhcp_use_ntp = true; |
109 | network->dhcp_use_dns = true; | |
110 | network->dhcp_use_hostname = true; | |
111 | network->dhcp_use_routes = true; | |
112 | network->dhcp_send_hostname = true; | |
84b5b79a | 113 | network->dhcp_route_metric = DHCP_ROUTE_METRIC; |
3e43b2cd | 114 | network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID; |
5be4d38e | 115 | |
539f2a73 LP |
116 | network->dhcp_server_emit_dns = true; |
117 | network->dhcp_server_emit_ntp = true; | |
118 | network->dhcp_server_emit_timezone = true; | |
119 | ||
84c34096 | 120 | network->use_bpdu = true; |
23da66bb | 121 | network->allow_port_to_be_root = true; |
072f9e4a | 122 | network->unicast_flood = true; |
84c34096 | 123 | |
a7e5da6e | 124 | network->llmnr = RESOLVE_SUPPORT_YES; |
aaa297d4 | 125 | network->mdns = RESOLVE_SUPPORT_NO; |
ad6c0475 | 126 | network->dnssec_mode = _DNSSEC_MODE_INVALID; |
bd8f6538 | 127 | |
d0d6a4cd TG |
128 | network->link_local = ADDRESS_FAMILY_IPV6; |
129 | ||
1f0d9695 | 130 | network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
4f2e437a | 131 | network->ipv6_accept_ra = -1; |
8749cbcd | 132 | network->ipv6_dad_transmits = -1; |
b69c3180 | 133 | network->ipv6_hop_limit = -1; |
49092e22 | 134 | |
e9f3d2d5 | 135 | r = config_parse(NULL, filename, file, |
c106cc36 TG |
136 | "Match\0" |
137 | "Link\0" | |
138 | "Network\0" | |
139 | "Address\0" | |
140 | "Route\0" | |
141 | "DHCP\0" | |
8eb9058d LP |
142 | "DHCPv4\0" /* compat */ |
143 | "DHCPServer\0" | |
b98b483b AR |
144 | "Bridge\0" |
145 | "BridgeFDB\0", | |
e9f3d2d5 | 146 | config_item_perf_lookup, network_network_gperf_lookup, |
36f822c4 ZJS |
147 | false, false, true, network); |
148 | if (r < 0) | |
f579559b | 149 | return r; |
f579559b | 150 | |
5a8bcb67 LP |
151 | /* IPMasquerade=yes implies IPForward=yes */ |
152 | if (network->ip_masquerade) | |
769d324c | 153 | network->ip_forward |= ADDRESS_FAMILY_IPV4; |
5a8bcb67 | 154 | |
f579559b | 155 | LIST_PREPEND(networks, manager->networks, network); |
b3070dc0 | 156 | |
dbffab87 TG |
157 | r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops); |
158 | if (r < 0) | |
159 | return r; | |
160 | ||
161 | r = hashmap_put(manager->networks_by_name, network->name, network); | |
162 | if (r < 0) | |
163 | return r; | |
164 | ||
3d3d4255 | 165 | LIST_FOREACH(routes, route, network->static_routes) { |
b3070dc0 TG |
166 | if (!route->family) { |
167 | log_warning("Route section without Gateway field configured in %s. " | |
168 | "Ignoring", filename); | |
169 | return 0; | |
170 | } | |
b3070dc0 TG |
171 | } |
172 | ||
3d3d4255 | 173 | LIST_FOREACH(addresses, address, network->static_addresses) { |
b3070dc0 TG |
174 | if (!address->family) { |
175 | log_warning("Address section without Address field configured in %s. " | |
176 | "Ignoring", filename); | |
177 | return 0; | |
178 | } | |
179 | } | |
180 | ||
f579559b TG |
181 | network = NULL; |
182 | ||
183 | return 0; | |
184 | } | |
185 | ||
186 | int network_load(Manager *manager) { | |
187 | Network *network; | |
477e73b5 ZJS |
188 | _cleanup_strv_free_ char **files = NULL; |
189 | char **f; | |
f579559b TG |
190 | int r; |
191 | ||
192 | assert(manager); | |
193 | ||
194 | while ((network = manager->networks)) | |
195 | network_free(network); | |
196 | ||
2ad8416d | 197 | r = conf_files_list_strv(&files, ".network", NULL, network_dirs); |
f647962d MS |
198 | if (r < 0) |
199 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b TG |
200 | |
201 | STRV_FOREACH_BACKWARDS(f, files) { | |
202 | r = network_load_one(manager, *f); | |
203 | if (r < 0) | |
204 | return r; | |
205 | } | |
206 | ||
f579559b TG |
207 | return 0; |
208 | } | |
209 | ||
f579559b | 210 | void network_free(Network *network) { |
47e2dc31 | 211 | NetDev *netdev; |
f579559b TG |
212 | Route *route; |
213 | Address *address; | |
b98b483b | 214 | FdbEntry *fdb_entry; |
06f021a8 | 215 | Iterator i; |
f579559b TG |
216 | |
217 | if (!network) | |
218 | return; | |
219 | ||
220 | free(network->filename); | |
221 | ||
222 | free(network->match_mac); | |
5256e00e TG |
223 | strv_free(network->match_path); |
224 | strv_free(network->match_driver); | |
225 | strv_free(network->match_type); | |
226 | strv_free(network->match_name); | |
f579559b TG |
227 | |
228 | free(network->description); | |
edb85f0d | 229 | free(network->dhcp_vendor_class_identifier); |
27cb34f5 | 230 | free(network->dhcp_hostname); |
f579559b | 231 | |
c106cc36 TG |
232 | free(network->mac); |
233 | ||
b0e39c82 TG |
234 | strv_free(network->ntp); |
235 | strv_free(network->dns); | |
3df9bec5 LP |
236 | strv_free(network->search_domains); |
237 | strv_free(network->route_domains); | |
0d4ad91d | 238 | strv_free(network->bind_carrier); |
3bef724f | 239 | |
47e2dc31 TG |
240 | netdev_unref(network->bridge); |
241 | ||
242 | netdev_unref(network->bond); | |
243 | ||
2c36be2f TG |
244 | HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) { |
245 | hashmap_remove(network->stacked_netdevs, netdev->ifname); | |
326cb406 | 246 | netdev_unref(netdev); |
2c36be2f | 247 | } |
6a0a2f86 | 248 | hashmap_free(network->stacked_netdevs); |
326cb406 | 249 | |
f048a16b | 250 | while ((route = network->static_routes)) |
f579559b TG |
251 | route_free(route); |
252 | ||
f048a16b | 253 | while ((address = network->static_addresses)) |
f579559b TG |
254 | address_free(address); |
255 | ||
b98b483b AR |
256 | while ((fdb_entry = network->static_fdb_entries)) |
257 | fdb_entry_free(fdb_entry); | |
258 | ||
6ae115c1 TG |
259 | hashmap_free(network->addresses_by_section); |
260 | hashmap_free(network->routes_by_section); | |
b98b483b | 261 | hashmap_free(network->fdb_entries_by_section); |
6ae115c1 | 262 | |
dbffab87 TG |
263 | if (network->manager) { |
264 | if (network->manager->networks) | |
265 | LIST_REMOVE(networks, network->manager->networks, network); | |
266 | ||
267 | if (network->manager->networks_by_name) | |
268 | hashmap_remove(network->manager->networks_by_name, network->name); | |
269 | } | |
270 | ||
271 | free(network->name); | |
f579559b | 272 | |
79e16ce3 LP |
273 | condition_free_list(network->match_host); |
274 | condition_free_list(network->match_virt); | |
275 | condition_free_list(network->match_kernel); | |
276 | condition_free_list(network->match_arch); | |
277 | ||
8eb9058d | 278 | free(network->dhcp_server_timezone); |
1a04db0f LP |
279 | free(network->dhcp_server_dns); |
280 | free(network->dhcp_server_ntp); | |
8eb9058d | 281 | |
8a516214 LP |
282 | set_free_free(network->dnssec_negative_trust_anchors); |
283 | ||
f579559b TG |
284 | free(network); |
285 | } | |
286 | ||
dbffab87 TG |
287 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
288 | Network *network; | |
289 | ||
290 | assert(manager); | |
291 | assert(name); | |
292 | assert(ret); | |
293 | ||
294 | network = hashmap_get(manager->networks_by_name, name); | |
295 | if (!network) | |
296 | return -ENOENT; | |
297 | ||
298 | *ret = network; | |
299 | ||
300 | return 0; | |
301 | } | |
302 | ||
505f8da7 TG |
303 | int network_get(Manager *manager, struct udev_device *device, |
304 | const char *ifname, const struct ether_addr *address, | |
305 | Network **ret) { | |
f579559b | 306 | Network *network; |
af3aa302 | 307 | struct udev_device *parent; |
24c083df | 308 | const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL; |
f579559b TG |
309 | |
310 | assert(manager); | |
f579559b | 311 | assert(ret); |
af3aa302 | 312 | |
24c083df TG |
313 | if (device) { |
314 | path = udev_device_get_property_value(device, "ID_PATH"); | |
af3aa302 | 315 | |
24c083df TG |
316 | parent = udev_device_get_parent(device); |
317 | if (parent) | |
318 | parent_driver = udev_device_get_driver(parent); | |
af3aa302 | 319 | |
24c083df | 320 | driver = udev_device_get_property_value(device, "ID_NET_DRIVER"); |
af3aa302 | 321 | |
24c083df TG |
322 | devtype = udev_device_get_devtype(device); |
323 | } | |
f579559b | 324 | |
f579559b TG |
325 | LIST_FOREACH(networks, network, manager->networks) { |
326 | if (net_match_config(network->match_mac, network->match_path, | |
505f8da7 TG |
327 | network->match_driver, network->match_type, |
328 | network->match_name, network->match_host, | |
329 | network->match_virt, network->match_kernel, | |
330 | network->match_arch, | |
af3aa302 TG |
331 | address, path, parent_driver, driver, |
332 | devtype, ifname)) { | |
24c083df | 333 | if (network->match_name && device) { |
ca6038b8 TG |
334 | const char *attr; |
335 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
336 | ||
32bc8adc | 337 | attr = udev_device_get_sysattr_value(device, "name_assign_type"); |
285760fe | 338 | if (attr) |
dc751688 | 339 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
340 | |
341 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
342 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
343 | ifname, network->filename); | |
32bc8adc | 344 | else |
a2fae7bb | 345 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 346 | } else |
a2fae7bb | 347 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 348 | |
f579559b TG |
349 | *ret = network; |
350 | return 0; | |
351 | } | |
352 | } | |
353 | ||
354 | *ret = NULL; | |
355 | ||
356 | return -ENOENT; | |
357 | } | |
358 | ||
359 | int network_apply(Manager *manager, Network *network, Link *link) { | |
f579559b TG |
360 | int r; |
361 | ||
c4a03a56 TG |
362 | assert(manager); |
363 | assert(network); | |
364 | assert(link); | |
365 | ||
f579559b TG |
366 | link->network = network; |
367 | ||
bfa695b5 TG |
368 | if (network->ipv4ll_route) { |
369 | Route *route; | |
370 | ||
371 | r = route_new_static(network, 0, &route); | |
372 | if (r < 0) | |
373 | return r; | |
374 | ||
2ce40956 | 375 | r = inet_pton(AF_INET, "169.254.0.0", &route->dst.in); |
bfa695b5 TG |
376 | if (r == 0) |
377 | return -EINVAL; | |
378 | if (r < 0) | |
379 | return -errno; | |
380 | ||
381 | route->family = AF_INET; | |
382 | route->dst_prefixlen = 16; | |
383 | route->scope = RT_SCOPE_LINK; | |
86655331 | 384 | route->priority = IPV4LL_ROUTE_METRIC; |
bfa695b5 TG |
385 | route->protocol = RTPROT_STATIC; |
386 | } | |
387 | ||
3df9bec5 LP |
388 | if (!strv_isempty(network->dns) || |
389 | !strv_isempty(network->ntp) || | |
390 | !strv_isempty(network->search_domains) || | |
391 | !strv_isempty(network->route_domains)) { | |
84de38c5 TG |
392 | manager_dirty(manager); |
393 | link_dirty(link); | |
3bef724f TG |
394 | } |
395 | ||
f579559b TG |
396 | return 0; |
397 | } | |
02b59d57 | 398 | |
69a93e7d | 399 | int config_parse_netdev(const char *unit, |
02b59d57 TG |
400 | const char *filename, |
401 | unsigned line, | |
402 | const char *section, | |
403 | unsigned section_line, | |
404 | const char *lvalue, | |
405 | int ltype, | |
406 | const char *rvalue, | |
407 | void *data, | |
408 | void *userdata) { | |
409 | Network *network = userdata; | |
31d0ac36 TG |
410 | _cleanup_free_ char *kind_string = NULL; |
411 | char *p; | |
1a436809 | 412 | NetDev *netdev; |
69a93e7d | 413 | NetDevKind kind; |
02b59d57 TG |
414 | int r; |
415 | ||
416 | assert(filename); | |
417 | assert(lvalue); | |
418 | assert(rvalue); | |
419 | assert(data); | |
420 | ||
69a93e7d TG |
421 | kind_string = strdup(lvalue); |
422 | if (!kind_string) | |
423 | return log_oom(); | |
52433f6b | 424 | |
69a93e7d TG |
425 | /* the keys are CamelCase versions of the kind */ |
426 | for (p = kind_string; *p; p++) | |
427 | *p = tolower(*p); | |
52433f6b | 428 | |
69a93e7d TG |
429 | kind = netdev_kind_from_string(kind_string); |
430 | if (kind == _NETDEV_KIND_INVALID) { | |
12ca818f | 431 | log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid NetDev kind: %s", lvalue); |
52433f6b TG |
432 | return 0; |
433 | } | |
434 | ||
54abf461 TG |
435 | r = netdev_get(network->manager, rvalue, &netdev); |
436 | if (r < 0) { | |
12ca818f | 437 | log_syntax(unit, LOG_ERR, filename, line, r, "%s could not be found, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
438 | return 0; |
439 | } | |
440 | ||
69a93e7d | 441 | if (netdev->kind != kind) { |
12ca818f | 442 | log_syntax(unit, LOG_ERR, filename, line, 0, "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
443 | return 0; |
444 | } | |
445 | ||
69a93e7d TG |
446 | switch (kind) { |
447 | case NETDEV_KIND_BRIDGE: | |
448 | network->bridge = netdev; | |
54abf461 | 449 | |
69a93e7d TG |
450 | break; |
451 | case NETDEV_KIND_BOND: | |
452 | network->bond = netdev; | |
fe6b2d55 | 453 | |
69a93e7d TG |
454 | break; |
455 | case NETDEV_KIND_VLAN: | |
69a93e7d | 456 | case NETDEV_KIND_MACVLAN: |
f33ff02b | 457 | case NETDEV_KIND_MACVTAP: |
c4a5ddc9 | 458 | case NETDEV_KIND_IPVLAN: |
326cb406 | 459 | case NETDEV_KIND_VXLAN: |
6a0a2f86 | 460 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
326cb406 | 461 | if (r < 0) { |
12ca818f | 462 | log_syntax(unit, LOG_ERR, filename, line, r, "Can not add VLAN '%s' to network: %m", rvalue); |
326cb406 SS |
463 | return 0; |
464 | } | |
465 | ||
69a93e7d TG |
466 | break; |
467 | default: | |
468 | assert_not_reached("Can not parse NetDev"); | |
fe6b2d55 TG |
469 | } |
470 | ||
47e2dc31 TG |
471 | netdev_ref(netdev); |
472 | ||
fe6b2d55 TG |
473 | return 0; |
474 | } | |
7951dea2 | 475 | |
3df9bec5 LP |
476 | int config_parse_domains( |
477 | const char *unit, | |
478 | const char *filename, | |
479 | unsigned line, | |
480 | const char *section, | |
481 | unsigned section_line, | |
482 | const char *lvalue, | |
483 | int ltype, | |
484 | const char *rvalue, | |
485 | void *data, | |
486 | void *userdata) { | |
487 | ||
488 | const char *p; | |
489 | Network *n = data; | |
6192b846 TG |
490 | int r; |
491 | ||
3df9bec5 LP |
492 | assert(n); |
493 | assert(lvalue); | |
494 | assert(rvalue); | |
6192b846 | 495 | |
3df9bec5 LP |
496 | if (isempty(rvalue)) { |
497 | n->search_domains = strv_free(n->search_domains); | |
498 | n->route_domains = strv_free(n->route_domains); | |
499 | return 0; | |
500 | } | |
67272d15 | 501 | |
3df9bec5 LP |
502 | p = rvalue; |
503 | for (;;) { | |
504 | _cleanup_free_ char *w = NULL, *normalized = NULL; | |
505 | const char *domain; | |
506 | bool is_route; | |
507 | ||
508 | r = extract_first_word(&p, &w, NULL, 0); | |
509 | if (r < 0) { | |
510 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract search or route domain, ignoring: %s", rvalue); | |
511 | break; | |
512 | } | |
513 | if (r == 0) | |
514 | break; | |
515 | ||
516 | is_route = w[0] == '~'; | |
517 | domain = is_route ? w + 1 : w; | |
518 | ||
519 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
520 | /* If the root domain appears as is, or the special token "*" is found, we'll consider this as | |
521 | * routing domain, unconditionally. */ | |
522 | is_route = true; | |
523 | domain = "."; /* make sure we don't allow empty strings, thus write the root domain as "." */ | |
524 | ||
525 | } else { | |
526 | r = dns_name_normalize(domain, &normalized); | |
527 | if (r < 0) { | |
528 | log_syntax(unit, LOG_ERR, filename, line, r, "'%s' is not a valid domain name, ignoring.", domain); | |
529 | continue; | |
530 | } | |
531 | ||
532 | domain = normalized; | |
533 | ||
534 | if (is_localhost(domain)) { | |
535 | 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 | 536 | continue; |
3df9bec5 | 537 | } |
37de2509 | 538 | } |
40274ed6 | 539 | |
3df9bec5 LP |
540 | if (is_route) { |
541 | r = strv_extend(&n->route_domains, domain); | |
542 | if (r < 0) | |
543 | return log_oom(); | |
40274ed6 | 544 | |
3df9bec5 LP |
545 | } else { |
546 | r = strv_extend(&n->search_domains, domain); | |
547 | if (r < 0) | |
548 | return log_oom(); | |
549 | } | |
40274ed6 | 550 | } |
f15b6e5a | 551 | |
3df9bec5 LP |
552 | strv_uniq(n->route_domains); |
553 | strv_uniq(n->search_domains); | |
554 | ||
6192b846 TG |
555 | return 0; |
556 | } | |
557 | ||
7951dea2 SS |
558 | int config_parse_tunnel(const char *unit, |
559 | const char *filename, | |
560 | unsigned line, | |
561 | const char *section, | |
562 | unsigned section_line, | |
563 | const char *lvalue, | |
564 | int ltype, | |
565 | const char *rvalue, | |
566 | void *data, | |
567 | void *userdata) { | |
568 | Network *network = userdata; | |
569 | NetDev *netdev; | |
570 | int r; | |
571 | ||
572 | assert(filename); | |
573 | assert(lvalue); | |
574 | assert(rvalue); | |
575 | assert(data); | |
576 | ||
577 | r = netdev_get(network->manager, rvalue, &netdev); | |
578 | if (r < 0) { | |
6a7a4e4d | 579 | log_syntax(unit, LOG_ERR, filename, line, r, "Tunnel is invalid, ignoring assignment: %s", rvalue); |
7951dea2 SS |
580 | return 0; |
581 | } | |
582 | ||
583 | if (netdev->kind != NETDEV_KIND_IPIP && | |
584 | netdev->kind != NETDEV_KIND_SIT && | |
a613382b | 585 | netdev->kind != NETDEV_KIND_GRE && |
1af2536a | 586 | netdev->kind != NETDEV_KIND_GRETAP && |
b16492f8 SS |
587 | netdev->kind != NETDEV_KIND_IP6GRE && |
588 | netdev->kind != NETDEV_KIND_IP6GRETAP && | |
855ee1a1 | 589 | netdev->kind != NETDEV_KIND_VTI && |
9011ce77 | 590 | netdev->kind != NETDEV_KIND_VTI6 && |
855ee1a1 SS |
591 | netdev->kind != NETDEV_KIND_IP6TNL |
592 | ) { | |
12ca818f | 593 | log_syntax(unit, LOG_ERR, filename, line, 0, |
7951dea2 SS |
594 | "NetDev is not a tunnel, ignoring assignment: %s", rvalue); |
595 | return 0; | |
596 | } | |
597 | ||
6a0a2f86 TG |
598 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
599 | if (r < 0) { | |
6a7a4e4d | 600 | log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue); |
6a0a2f86 TG |
601 | return 0; |
602 | } | |
603 | ||
604 | netdev_ref(netdev); | |
7951dea2 SS |
605 | |
606 | return 0; | |
607 | } | |
bd8f6538 | 608 | |
d0d6a4cd TG |
609 | int config_parse_ipv4ll( |
610 | const char* unit, | |
611 | const char *filename, | |
612 | unsigned line, | |
613 | const char *section, | |
614 | unsigned section_line, | |
615 | const char *lvalue, | |
616 | int ltype, | |
617 | const char *rvalue, | |
618 | void *data, | |
619 | void *userdata) { | |
620 | ||
621 | AddressFamilyBoolean *link_local = data; | |
622 | ||
623 | assert(filename); | |
624 | assert(lvalue); | |
625 | assert(rvalue); | |
626 | assert(data); | |
627 | ||
628 | /* Note that this is mostly like | |
629 | * config_parse_address_family_boolean(), except that it | |
630 | * applies only to IPv4 */ | |
631 | ||
632 | if (parse_boolean(rvalue)) | |
633 | *link_local |= ADDRESS_FAMILY_IPV4; | |
634 | else | |
635 | *link_local &= ~ADDRESS_FAMILY_IPV4; | |
636 | ||
637 | return 0; | |
638 | } | |
639 | ||
bd8f6538 TG |
640 | int config_parse_dhcp( |
641 | const char* unit, | |
642 | const char *filename, | |
643 | unsigned line, | |
644 | const char *section, | |
645 | unsigned section_line, | |
646 | const char *lvalue, | |
647 | int ltype, | |
648 | const char *rvalue, | |
649 | void *data, | |
650 | void *userdata) { | |
651 | ||
cb9fc36a | 652 | AddressFamilyBoolean *dhcp = data, s; |
bd8f6538 TG |
653 | |
654 | assert(filename); | |
655 | assert(lvalue); | |
656 | assert(rvalue); | |
657 | assert(data); | |
658 | ||
769d324c LP |
659 | /* Note that this is mostly like |
660 | * config_parse_address_family_boolean(), except that it | |
661 | * understands some old names for the enum values */ | |
662 | ||
cb9fc36a LP |
663 | s = address_family_boolean_from_string(rvalue); |
664 | if (s < 0) { | |
665 | ||
666 | /* Previously, we had a slightly different enum here, | |
667 | * support its values for compatbility. */ | |
668 | ||
669 | if (streq(rvalue, "none")) | |
670 | s = ADDRESS_FAMILY_NO; | |
671 | else if (streq(rvalue, "v4")) | |
672 | s = ADDRESS_FAMILY_IPV4; | |
673 | else if (streq(rvalue, "v6")) | |
674 | s = ADDRESS_FAMILY_IPV6; | |
675 | else if (streq(rvalue, "both")) | |
676 | s = ADDRESS_FAMILY_YES; | |
677 | else { | |
12ca818f | 678 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DHCP option, ignoring: %s", rvalue); |
bd8f6538 TG |
679 | return 0; |
680 | } | |
bd8f6538 TG |
681 | } |
682 | ||
cb9fc36a | 683 | *dhcp = s; |
bd8f6538 TG |
684 | return 0; |
685 | } | |
686 | ||
3e43b2cd JJ |
687 | static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = { |
688 | [DHCP_CLIENT_ID_MAC] = "mac", | |
689 | [DHCP_CLIENT_ID_DUID] = "duid" | |
690 | }; | |
691 | ||
692 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DCHPClientIdentifier); | |
693 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DCHPClientIdentifier, "Failed to parse client identifier type"); | |
694 | ||
60c35566 | 695 | int config_parse_ipv6token( |
7f77697a TG |
696 | const char* unit, |
697 | const char *filename, | |
698 | unsigned line, | |
699 | const char *section, | |
700 | unsigned section_line, | |
701 | const char *lvalue, | |
702 | int ltype, | |
703 | const char *rvalue, | |
704 | void *data, | |
705 | void *userdata) { | |
706 | ||
707 | union in_addr_union buffer; | |
708 | struct in6_addr *token = data; | |
709 | int r; | |
710 | ||
711 | assert(filename); | |
712 | assert(lvalue); | |
713 | assert(rvalue); | |
714 | assert(token); | |
715 | ||
716 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
717 | if (r < 0) { | |
6a7a4e4d | 718 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
719 | return 0; |
720 | } | |
721 | ||
722 | r = in_addr_is_null(AF_INET6, &buffer); | |
12ca818f | 723 | if (r != 0) { |
6a7a4e4d | 724 | log_syntax(unit, LOG_ERR, filename, line, r, "IPv6 token can not be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
725 | return 0; |
726 | } | |
727 | ||
728 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
12ca818f | 729 | log_syntax(unit, LOG_ERR, filename, line, 0, "IPv6 token can not be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
730 | return 0; |
731 | } | |
732 | ||
733 | *token = buffer.in6; | |
734 | ||
735 | return 0; | |
736 | } | |
8add5f79 | 737 | |
49092e22 | 738 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
739 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
740 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
741 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
742 | }; |
743 | ||
744 | DEFINE_STRING_TABLE_LOOKUP(ipv6_privacy_extensions, IPv6PrivacyExtensions); | |
745 | ||
746 | int config_parse_ipv6_privacy_extensions( | |
747 | const char* unit, | |
748 | const char *filename, | |
749 | unsigned line, | |
750 | const char *section, | |
751 | unsigned section_line, | |
752 | const char *lvalue, | |
753 | int ltype, | |
754 | const char *rvalue, | |
755 | void *data, | |
756 | void *userdata) { | |
757 | ||
758 | IPv6PrivacyExtensions *ipv6_privacy_extensions = data; | |
759 | int k; | |
760 | ||
761 | assert(filename); | |
762 | assert(lvalue); | |
763 | assert(rvalue); | |
764 | assert(ipv6_privacy_extensions); | |
765 | ||
766 | /* Our enum shall be a superset of booleans, hence first try | |
767 | * to parse as boolean, and then as enum */ | |
768 | ||
769 | k = parse_boolean(rvalue); | |
770 | if (k > 0) | |
1f0d9695 | 771 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_YES; |
49092e22 | 772 | else if (k == 0) |
1f0d9695 | 773 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
49092e22 | 774 | else { |
1f0d9695 | 775 | IPv6PrivacyExtensions s; |
49092e22 SS |
776 | |
777 | s = ipv6_privacy_extensions_from_string(rvalue); | |
1f0d9695 LP |
778 | if (s < 0) { |
779 | ||
780 | if (streq(rvalue, "kernel")) | |
781 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
782 | else { | |
12ca818f | 783 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1f0d9695 LP |
784 | return 0; |
785 | } | |
49092e22 SS |
786 | } |
787 | ||
788 | *ipv6_privacy_extensions = s; | |
789 | } | |
790 | ||
791 | return 0; | |
792 | } | |
a7d0ef44 | 793 | |
1ac608c9 LP |
794 | int config_parse_hostname( |
795 | const char *unit, | |
796 | const char *filename, | |
797 | unsigned line, | |
798 | const char *section, | |
799 | unsigned section_line, | |
800 | const char *lvalue, | |
801 | int ltype, | |
802 | const char *rvalue, | |
803 | void *data, | |
804 | void *userdata) { | |
805 | ||
806 | char **hostname = data, *hn = NULL; | |
a7d0ef44 SS |
807 | int r; |
808 | ||
809 | assert(filename); | |
810 | assert(lvalue); | |
811 | assert(rvalue); | |
812 | ||
1ac608c9 | 813 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
814 | if (r < 0) |
815 | return r; | |
816 | ||
1ac608c9 | 817 | if (!hostname_is_valid(hn, false)) { |
12ca818f | 818 | log_syntax(unit, LOG_ERR, filename, line, 0, "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
819 | free(hn); |
820 | return 0; | |
821 | } | |
822 | ||
1ac608c9 | 823 | free(*hostname); |
ae691c1d | 824 | *hostname = hostname_cleanup(hn); |
a7d0ef44 SS |
825 | return 0; |
826 | } | |
8eb9058d LP |
827 | |
828 | int config_parse_timezone( | |
829 | const char *unit, | |
830 | const char *filename, | |
831 | unsigned line, | |
832 | const char *section, | |
833 | unsigned section_line, | |
834 | const char *lvalue, | |
835 | int ltype, | |
836 | const char *rvalue, | |
837 | void *data, | |
838 | void *userdata) { | |
839 | ||
64d6c229 | 840 | char **datap = data, *tz = NULL; |
8eb9058d LP |
841 | int r; |
842 | ||
843 | assert(filename); | |
844 | assert(lvalue); | |
845 | assert(rvalue); | |
846 | ||
847 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
848 | if (r < 0) | |
849 | return r; | |
850 | ||
851 | if (!timezone_is_valid(tz)) { | |
12ca818f | 852 | log_syntax(unit, LOG_ERR, filename, line, 0, "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
853 | free(tz); |
854 | return 0; | |
855 | } | |
856 | ||
64d6c229 TA |
857 | free(*datap); |
858 | *datap = tz; | |
8eb9058d LP |
859 | |
860 | return 0; | |
861 | } | |
1a04db0f LP |
862 | |
863 | int config_parse_dhcp_server_dns( | |
864 | const char *unit, | |
865 | const char *filename, | |
866 | unsigned line, | |
867 | const char *section, | |
868 | unsigned section_line, | |
869 | const char *lvalue, | |
870 | int ltype, | |
871 | const char *rvalue, | |
872 | void *data, | |
873 | void *userdata) { | |
874 | ||
875 | Network *n = data; | |
876 | const char *p = rvalue; | |
877 | int r; | |
878 | ||
879 | assert(filename); | |
880 | assert(lvalue); | |
881 | assert(rvalue); | |
882 | ||
883 | for (;;) { | |
884 | _cleanup_free_ char *w = NULL; | |
885 | struct in_addr a, *m; | |
886 | ||
887 | r = extract_first_word(&p, &w, NULL, 0); | |
888 | if (r < 0) { | |
889 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
890 | return 0; | |
891 | } | |
892 | ||
893 | if (r == 0) | |
894 | return 0; | |
895 | ||
896 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 897 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); |
1a04db0f LP |
898 | continue; |
899 | } | |
900 | ||
901 | m = realloc(n->dhcp_server_dns, (n->n_dhcp_server_dns + 1) * sizeof(struct in_addr)); | |
902 | if (!m) | |
903 | return log_oom(); | |
904 | ||
905 | m[n->n_dhcp_server_dns++] = a; | |
906 | n->dhcp_server_dns = m; | |
907 | } | |
908 | } | |
909 | ||
910 | int config_parse_dhcp_server_ntp( | |
911 | const char *unit, | |
912 | const char *filename, | |
913 | unsigned line, | |
914 | const char *section, | |
915 | unsigned section_line, | |
916 | const char *lvalue, | |
917 | int ltype, | |
918 | const char *rvalue, | |
919 | void *data, | |
920 | void *userdata) { | |
921 | ||
922 | Network *n = data; | |
923 | const char *p = rvalue; | |
924 | int r; | |
925 | ||
926 | assert(filename); | |
927 | assert(lvalue); | |
928 | assert(rvalue); | |
929 | ||
930 | for (;;) { | |
931 | _cleanup_free_ char *w = NULL; | |
932 | struct in_addr a, *m; | |
933 | ||
934 | r = extract_first_word(&p, &w, NULL, 0); | |
935 | if (r < 0) { | |
12ca818f | 936 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); |
1a04db0f LP |
937 | return 0; |
938 | } | |
939 | ||
940 | if (r == 0) | |
941 | return 0; | |
942 | ||
943 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 944 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse NTP server address, ignoring: %s", w); |
1a04db0f LP |
945 | continue; |
946 | } | |
947 | ||
948 | m = realloc(n->dhcp_server_ntp, (n->n_dhcp_server_ntp + 1) * sizeof(struct in_addr)); | |
949 | if (!m) | |
950 | return log_oom(); | |
951 | ||
952 | m[n->n_dhcp_server_ntp++] = a; | |
953 | n->dhcp_server_ntp = m; | |
954 | } | |
955 | } | |
8a516214 LP |
956 | |
957 | int config_parse_dnssec_negative_trust_anchors( | |
958 | const char *unit, | |
959 | const char *filename, | |
960 | unsigned line, | |
961 | const char *section, | |
962 | unsigned section_line, | |
963 | const char *lvalue, | |
964 | int ltype, | |
965 | const char *rvalue, | |
966 | void *data, | |
967 | void *userdata) { | |
968 | ||
969 | const char *p = rvalue; | |
970 | Network *n = data; | |
971 | int r; | |
972 | ||
3df9bec5 | 973 | assert(n); |
8a516214 LP |
974 | assert(lvalue); |
975 | assert(rvalue); | |
976 | ||
977 | if (isempty(rvalue)) { | |
978 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
979 | return 0; | |
980 | } | |
981 | ||
982 | for (;;) { | |
983 | _cleanup_free_ char *w = NULL; | |
984 | ||
985 | r = extract_first_word(&p, &w, NULL, 0); | |
986 | if (r < 0) { | |
987 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); | |
988 | break; | |
989 | } | |
990 | if (r == 0) | |
991 | break; | |
992 | ||
993 | r = dns_name_is_valid(w); | |
994 | if (r <= 0) { | |
995 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name, ignoring.", w); | |
996 | continue; | |
997 | } | |
998 | ||
999 | r = set_put(n->dnssec_negative_trust_anchors, w); | |
1000 | if (r < 0) | |
1001 | return log_oom(); | |
1002 | if (r > 0) | |
1003 | w = NULL; | |
1004 | } | |
1005 | ||
1006 | return 0; | |
1007 | } | |
b2a81c0b LP |
1008 | |
1009 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_use_domains, dhcp_use_domains, DHCPUseDomains, "Failed to parse DHCP use domains setting"); | |
1010 | ||
1011 | static const char* const dhcp_use_domains_table[_DHCP_USE_DOMAINS_MAX] = { | |
1012 | [DHCP_USE_DOMAINS_NO] = "no", | |
1013 | [DHCP_USE_DOMAINS_ROUTE] = "route", | |
1014 | [DHCP_USE_DOMAINS_YES] = "yes", | |
1015 | }; | |
1016 | ||
1017 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dhcp_use_domains, DHCPUseDomains, DHCP_USE_DOMAINS_YES); |