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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 | |
f579559b TG |
25 | #include "conf-files.h" |
26 | #include "conf-parser.h" | |
477e73b5 | 27 | #include "util.h" |
958b66ea | 28 | #include "hostname-util.h" |
5a8bcb67 LP |
29 | #include "networkd.h" |
30 | #include "networkd-netdev.h" | |
31 | #include "networkd-link.h" | |
32 | #include "network-internal.h" | |
37de2509 | 33 | #include "dns-domain.h" |
f579559b TG |
34 | |
35 | static int network_load_one(Manager *manager, const char *filename) { | |
36 | _cleanup_network_free_ Network *network = NULL; | |
37 | _cleanup_fclose_ FILE *file = NULL; | |
dbffab87 | 38 | char *d; |
b3070dc0 TG |
39 | Route *route; |
40 | Address *address; | |
f579559b TG |
41 | int r; |
42 | ||
bf1bc670 TA |
43 | assert(manager); |
44 | assert(filename); | |
45 | ||
f579559b TG |
46 | file = fopen(filename, "re"); |
47 | if (!file) { | |
48 | if (errno == ENOENT) | |
49 | return 0; | |
50 | else | |
ecb08ec6 | 51 | return -errno; |
f579559b TG |
52 | } |
53 | ||
ed88bcfb ZJS |
54 | if (null_or_empty_fd(fileno(file))) { |
55 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
56 | return 0; |
57 | } | |
58 | ||
f579559b TG |
59 | network = new0(Network, 1); |
60 | if (!network) | |
61 | return log_oom(); | |
62 | ||
5a3eb5a7 TG |
63 | network->manager = manager; |
64 | ||
f048a16b TG |
65 | LIST_HEAD_INIT(network->static_addresses); |
66 | LIST_HEAD_INIT(network->static_routes); | |
b98b483b | 67 | LIST_HEAD_INIT(network->static_fdb_entries); |
f579559b | 68 | |
d5099efc | 69 | network->stacked_netdevs = hashmap_new(&string_hash_ops); |
6a0a2f86 | 70 | if (!network->stacked_netdevs) |
326cb406 SS |
71 | return log_oom(); |
72 | ||
d5099efc | 73 | network->addresses_by_section = hashmap_new(NULL); |
6ae115c1 TG |
74 | if (!network->addresses_by_section) |
75 | return log_oom(); | |
76 | ||
d5099efc | 77 | network->routes_by_section = hashmap_new(NULL); |
6ae115c1 TG |
78 | if (!network->routes_by_section) |
79 | return log_oom(); | |
80 | ||
b98b483b AR |
81 | network->fdb_entries_by_section = hashmap_new(NULL); |
82 | if (!network->fdb_entries_by_section) | |
83 | return log_oom(); | |
84 | ||
6ae115c1 TG |
85 | network->filename = strdup(filename); |
86 | if (!network->filename) | |
87 | return log_oom(); | |
88 | ||
dbffab87 TG |
89 | network->name = strdup(basename(filename)); |
90 | if (!network->name) | |
91 | return log_oom(); | |
92 | ||
93 | d = strrchr(network->name, '.'); | |
94 | if (!d) | |
95 | return -EINVAL; | |
96 | ||
97 | assert(streq(d, ".network")); | |
98 | ||
99 | *d = '\0'; | |
100 | ||
cb9fc36a | 101 | network->dhcp = ADDRESS_FAMILY_NO; |
bcb7a07e | 102 | network->dhcp_ntp = true; |
5be4d38e | 103 | network->dhcp_dns = true; |
1346b1f0 | 104 | network->dhcp_hostname = true; |
e1ea665e | 105 | network->dhcp_routes = true; |
4cc7a82c | 106 | network->dhcp_sendhost = true; |
84b5b79a | 107 | network->dhcp_route_metric = DHCP_ROUTE_METRIC; |
3e43b2cd | 108 | network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID; |
5be4d38e | 109 | |
84c34096 | 110 | network->use_bpdu = true; |
23da66bb | 111 | network->allow_port_to_be_root = true; |
072f9e4a | 112 | network->unicast_flood = true; |
84c34096 | 113 | |
bd8f6538 TG |
114 | network->llmnr = LLMNR_SUPPORT_YES; |
115 | ||
d0d6a4cd TG |
116 | network->link_local = ADDRESS_FAMILY_IPV6; |
117 | ||
1f0d9695 | 118 | network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
49092e22 | 119 | |
e9f3d2d5 | 120 | r = config_parse(NULL, filename, file, |
c106cc36 TG |
121 | "Match\0" |
122 | "Link\0" | |
123 | "Network\0" | |
124 | "Address\0" | |
125 | "Route\0" | |
126 | "DHCP\0" | |
127 | "DHCPv4\0" | |
b98b483b AR |
128 | "Bridge\0" |
129 | "BridgeFDB\0", | |
e9f3d2d5 | 130 | config_item_perf_lookup, network_network_gperf_lookup, |
36f822c4 ZJS |
131 | false, false, true, network); |
132 | if (r < 0) | |
f579559b | 133 | return r; |
f579559b | 134 | |
5a8bcb67 LP |
135 | /* IPMasquerade=yes implies IPForward=yes */ |
136 | if (network->ip_masquerade) | |
769d324c | 137 | network->ip_forward |= ADDRESS_FAMILY_IPV4; |
5a8bcb67 | 138 | |
f579559b | 139 | LIST_PREPEND(networks, manager->networks, network); |
b3070dc0 | 140 | |
dbffab87 TG |
141 | r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops); |
142 | if (r < 0) | |
143 | return r; | |
144 | ||
145 | r = hashmap_put(manager->networks_by_name, network->name, network); | |
146 | if (r < 0) | |
147 | return r; | |
148 | ||
3d3d4255 | 149 | LIST_FOREACH(routes, route, network->static_routes) { |
b3070dc0 TG |
150 | if (!route->family) { |
151 | log_warning("Route section without Gateway field configured in %s. " | |
152 | "Ignoring", filename); | |
153 | return 0; | |
154 | } | |
b3070dc0 TG |
155 | } |
156 | ||
3d3d4255 | 157 | LIST_FOREACH(addresses, address, network->static_addresses) { |
b3070dc0 TG |
158 | if (!address->family) { |
159 | log_warning("Address section without Address field configured in %s. " | |
160 | "Ignoring", filename); | |
161 | return 0; | |
162 | } | |
163 | } | |
164 | ||
f579559b TG |
165 | network = NULL; |
166 | ||
167 | return 0; | |
168 | } | |
169 | ||
170 | int network_load(Manager *manager) { | |
171 | Network *network; | |
477e73b5 ZJS |
172 | _cleanup_strv_free_ char **files = NULL; |
173 | char **f; | |
f579559b TG |
174 | int r; |
175 | ||
176 | assert(manager); | |
177 | ||
178 | while ((network = manager->networks)) | |
179 | network_free(network); | |
180 | ||
2ad8416d | 181 | r = conf_files_list_strv(&files, ".network", NULL, network_dirs); |
f647962d MS |
182 | if (r < 0) |
183 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b TG |
184 | |
185 | STRV_FOREACH_BACKWARDS(f, files) { | |
186 | r = network_load_one(manager, *f); | |
187 | if (r < 0) | |
188 | return r; | |
189 | } | |
190 | ||
f579559b TG |
191 | return 0; |
192 | } | |
193 | ||
f579559b | 194 | void network_free(Network *network) { |
47e2dc31 | 195 | NetDev *netdev; |
f579559b TG |
196 | Route *route; |
197 | Address *address; | |
b98b483b | 198 | FdbEntry *fdb_entry; |
06f021a8 | 199 | Iterator i; |
f579559b TG |
200 | |
201 | if (!network) | |
202 | return; | |
203 | ||
204 | free(network->filename); | |
205 | ||
206 | free(network->match_mac); | |
5256e00e TG |
207 | strv_free(network->match_path); |
208 | strv_free(network->match_driver); | |
209 | strv_free(network->match_type); | |
210 | strv_free(network->match_name); | |
f579559b TG |
211 | |
212 | free(network->description); | |
edb85f0d | 213 | free(network->dhcp_vendor_class_identifier); |
a7d0ef44 | 214 | free(network->hostname); |
f579559b | 215 | |
c106cc36 TG |
216 | free(network->mac); |
217 | ||
b0e39c82 TG |
218 | strv_free(network->ntp); |
219 | strv_free(network->dns); | |
486d1a81 | 220 | strv_free(network->domains); |
0d4ad91d | 221 | strv_free(network->bind_carrier); |
3bef724f | 222 | |
47e2dc31 TG |
223 | netdev_unref(network->bridge); |
224 | ||
225 | netdev_unref(network->bond); | |
226 | ||
2c36be2f TG |
227 | HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) { |
228 | hashmap_remove(network->stacked_netdevs, netdev->ifname); | |
326cb406 | 229 | netdev_unref(netdev); |
2c36be2f | 230 | } |
6a0a2f86 | 231 | hashmap_free(network->stacked_netdevs); |
326cb406 | 232 | |
f048a16b | 233 | while ((route = network->static_routes)) |
f579559b TG |
234 | route_free(route); |
235 | ||
f048a16b | 236 | while ((address = network->static_addresses)) |
f579559b TG |
237 | address_free(address); |
238 | ||
b98b483b AR |
239 | while ((fdb_entry = network->static_fdb_entries)) |
240 | fdb_entry_free(fdb_entry); | |
241 | ||
6ae115c1 TG |
242 | hashmap_free(network->addresses_by_section); |
243 | hashmap_free(network->routes_by_section); | |
b98b483b | 244 | hashmap_free(network->fdb_entries_by_section); |
6ae115c1 | 245 | |
dbffab87 TG |
246 | if (network->manager) { |
247 | if (network->manager->networks) | |
248 | LIST_REMOVE(networks, network->manager->networks, network); | |
249 | ||
250 | if (network->manager->networks_by_name) | |
251 | hashmap_remove(network->manager->networks_by_name, network->name); | |
252 | } | |
253 | ||
254 | free(network->name); | |
f579559b | 255 | |
79e16ce3 LP |
256 | condition_free_list(network->match_host); |
257 | condition_free_list(network->match_virt); | |
258 | condition_free_list(network->match_kernel); | |
259 | condition_free_list(network->match_arch); | |
260 | ||
f579559b TG |
261 | free(network); |
262 | } | |
263 | ||
dbffab87 TG |
264 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
265 | Network *network; | |
266 | ||
267 | assert(manager); | |
268 | assert(name); | |
269 | assert(ret); | |
270 | ||
271 | network = hashmap_get(manager->networks_by_name, name); | |
272 | if (!network) | |
273 | return -ENOENT; | |
274 | ||
275 | *ret = network; | |
276 | ||
277 | return 0; | |
278 | } | |
279 | ||
505f8da7 TG |
280 | int network_get(Manager *manager, struct udev_device *device, |
281 | const char *ifname, const struct ether_addr *address, | |
282 | Network **ret) { | |
f579559b | 283 | Network *network; |
af3aa302 | 284 | struct udev_device *parent; |
24c083df | 285 | const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL; |
f579559b TG |
286 | |
287 | assert(manager); | |
f579559b | 288 | assert(ret); |
af3aa302 | 289 | |
24c083df TG |
290 | if (device) { |
291 | path = udev_device_get_property_value(device, "ID_PATH"); | |
af3aa302 | 292 | |
24c083df TG |
293 | parent = udev_device_get_parent(device); |
294 | if (parent) | |
295 | parent_driver = udev_device_get_driver(parent); | |
af3aa302 | 296 | |
24c083df | 297 | driver = udev_device_get_property_value(device, "ID_NET_DRIVER"); |
af3aa302 | 298 | |
24c083df TG |
299 | devtype = udev_device_get_devtype(device); |
300 | } | |
f579559b | 301 | |
f579559b TG |
302 | LIST_FOREACH(networks, network, manager->networks) { |
303 | if (net_match_config(network->match_mac, network->match_path, | |
505f8da7 TG |
304 | network->match_driver, network->match_type, |
305 | network->match_name, network->match_host, | |
306 | network->match_virt, network->match_kernel, | |
307 | network->match_arch, | |
af3aa302 TG |
308 | address, path, parent_driver, driver, |
309 | devtype, ifname)) { | |
24c083df | 310 | if (network->match_name && device) { |
ca6038b8 TG |
311 | const char *attr; |
312 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
313 | ||
32bc8adc | 314 | attr = udev_device_get_sysattr_value(device, "name_assign_type"); |
285760fe | 315 | if (attr) |
dc751688 | 316 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
317 | |
318 | if (name_assign_type == NET_NAME_ENUM) | |
ca6038b8 | 319 | log_warning("%-*s: found matching network '%s', based on potentially unpredictable ifname", |
32bc8adc TG |
320 | IFNAMSIZ, ifname, network->filename); |
321 | else | |
322 | log_debug("%-*s: found matching network '%s'", IFNAMSIZ, ifname, network->filename); | |
323 | } else | |
324 | log_debug("%-*s: found matching network '%s'", IFNAMSIZ, ifname, network->filename); | |
325 | ||
f579559b TG |
326 | *ret = network; |
327 | return 0; | |
328 | } | |
329 | } | |
330 | ||
331 | *ret = NULL; | |
332 | ||
333 | return -ENOENT; | |
334 | } | |
335 | ||
336 | int network_apply(Manager *manager, Network *network, Link *link) { | |
f579559b TG |
337 | int r; |
338 | ||
f579559b TG |
339 | link->network = network; |
340 | ||
bfa695b5 TG |
341 | if (network->ipv4ll_route) { |
342 | Route *route; | |
343 | ||
344 | r = route_new_static(network, 0, &route); | |
345 | if (r < 0) | |
346 | return r; | |
347 | ||
348 | r = inet_pton(AF_INET, "169.254.0.0", &route->dst_addr.in); | |
349 | if (r == 0) | |
350 | return -EINVAL; | |
351 | if (r < 0) | |
352 | return -errno; | |
353 | ||
354 | route->family = AF_INET; | |
355 | route->dst_prefixlen = 16; | |
356 | route->scope = RT_SCOPE_LINK; | |
357 | route->metrics = IPV4LL_ROUTE_METRIC; | |
358 | route->protocol = RTPROT_STATIC; | |
359 | } | |
360 | ||
bcb7a07e | 361 | if (network->dns || network->ntp) { |
091a364c | 362 | r = link_save(link); |
3bef724f TG |
363 | if (r < 0) |
364 | return r; | |
365 | } | |
366 | ||
f579559b TG |
367 | return 0; |
368 | } | |
02b59d57 | 369 | |
69a93e7d | 370 | int config_parse_netdev(const char *unit, |
02b59d57 TG |
371 | const char *filename, |
372 | unsigned line, | |
373 | const char *section, | |
374 | unsigned section_line, | |
375 | const char *lvalue, | |
376 | int ltype, | |
377 | const char *rvalue, | |
378 | void *data, | |
379 | void *userdata) { | |
380 | Network *network = userdata; | |
31d0ac36 TG |
381 | _cleanup_free_ char *kind_string = NULL; |
382 | char *p; | |
1a436809 | 383 | NetDev *netdev; |
69a93e7d | 384 | NetDevKind kind; |
02b59d57 TG |
385 | int r; |
386 | ||
387 | assert(filename); | |
388 | assert(lvalue); | |
389 | assert(rvalue); | |
390 | assert(data); | |
391 | ||
69a93e7d TG |
392 | kind_string = strdup(lvalue); |
393 | if (!kind_string) | |
394 | return log_oom(); | |
52433f6b | 395 | |
69a93e7d TG |
396 | /* the keys are CamelCase versions of the kind */ |
397 | for (p = kind_string; *p; p++) | |
398 | *p = tolower(*p); | |
52433f6b | 399 | |
69a93e7d TG |
400 | kind = netdev_kind_from_string(kind_string); |
401 | if (kind == _NETDEV_KIND_INVALID) { | |
52433f6b | 402 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
69a93e7d | 403 | "Invalid NetDev kind: %s", lvalue); |
52433f6b TG |
404 | return 0; |
405 | } | |
406 | ||
54abf461 TG |
407 | r = netdev_get(network->manager, rvalue, &netdev); |
408 | if (r < 0) { | |
409 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
69a93e7d | 410 | "%s could not be found, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
411 | return 0; |
412 | } | |
413 | ||
69a93e7d | 414 | if (netdev->kind != kind) { |
54abf461 | 415 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
69a93e7d | 416 | "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
417 | return 0; |
418 | } | |
419 | ||
69a93e7d TG |
420 | switch (kind) { |
421 | case NETDEV_KIND_BRIDGE: | |
422 | network->bridge = netdev; | |
54abf461 | 423 | |
69a93e7d TG |
424 | break; |
425 | case NETDEV_KIND_BOND: | |
426 | network->bond = netdev; | |
fe6b2d55 | 427 | |
69a93e7d TG |
428 | break; |
429 | case NETDEV_KIND_VLAN: | |
69a93e7d | 430 | case NETDEV_KIND_MACVLAN: |
c4a5ddc9 | 431 | case NETDEV_KIND_IPVLAN: |
326cb406 | 432 | case NETDEV_KIND_VXLAN: |
6a0a2f86 | 433 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
326cb406 SS |
434 | if (r < 0) { |
435 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
6a7a4e4d LP |
436 | "Can not add VLAN '%s' to network: %m", |
437 | rvalue); | |
326cb406 SS |
438 | return 0; |
439 | } | |
440 | ||
69a93e7d TG |
441 | break; |
442 | default: | |
443 | assert_not_reached("Can not parse NetDev"); | |
fe6b2d55 TG |
444 | } |
445 | ||
47e2dc31 TG |
446 | netdev_ref(netdev); |
447 | ||
fe6b2d55 TG |
448 | return 0; |
449 | } | |
7951dea2 | 450 | |
6192b846 TG |
451 | int config_parse_domains(const char *unit, |
452 | const char *filename, | |
453 | unsigned line, | |
454 | const char *section, | |
455 | unsigned section_line, | |
456 | const char *lvalue, | |
457 | int ltype, | |
458 | const char *rvalue, | |
459 | void *data, | |
460 | void *userdata) { | |
67272d15 | 461 | Network *network = userdata; |
6192b846 TG |
462 | char ***domains = data; |
463 | char **domain; | |
464 | int r; | |
465 | ||
466 | r = config_parse_strv(unit, filename, line, section, section_line, | |
467 | lvalue, ltype, rvalue, domains, userdata); | |
468 | if (r < 0) | |
469 | return r; | |
470 | ||
471 | strv_uniq(*domains); | |
f15b6e5a | 472 | network->wildcard_domain = !!strv_find(*domains, "*"); |
67272d15 | 473 | |
40274ed6 LP |
474 | STRV_FOREACH(domain, *domains) { |
475 | if (is_localhost(*domain)) | |
476 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "'localhost' domain names may not be configured, ignoring assignment: %s", *domain); | |
37de2509 NO |
477 | else { |
478 | r = dns_name_is_valid(*domain); | |
479 | if (r <= 0 && !streq(*domain, "*")) { | |
480 | if (r < 0) | |
481 | log_error_errno(r, "Failed to validate domain name: %s: %m", *domain); | |
482 | if (r == 0) | |
483 | log_warning("Domain name is not valid, ignoring assignment: %s", *domain); | |
484 | } else | |
485 | continue; | |
486 | } | |
40274ed6 LP |
487 | |
488 | strv_remove(*domains, *domain); | |
489 | ||
490 | /* We removed one entry, make sure we don't skip the next one */ | |
491 | domain--; | |
492 | } | |
f15b6e5a | 493 | |
6192b846 TG |
494 | return 0; |
495 | } | |
496 | ||
7951dea2 SS |
497 | int config_parse_tunnel(const char *unit, |
498 | const char *filename, | |
499 | unsigned line, | |
500 | const char *section, | |
501 | unsigned section_line, | |
502 | const char *lvalue, | |
503 | int ltype, | |
504 | const char *rvalue, | |
505 | void *data, | |
506 | void *userdata) { | |
507 | Network *network = userdata; | |
508 | NetDev *netdev; | |
509 | int r; | |
510 | ||
511 | assert(filename); | |
512 | assert(lvalue); | |
513 | assert(rvalue); | |
514 | assert(data); | |
515 | ||
516 | r = netdev_get(network->manager, rvalue, &netdev); | |
517 | if (r < 0) { | |
6a7a4e4d | 518 | log_syntax(unit, LOG_ERR, filename, line, r, "Tunnel is invalid, ignoring assignment: %s", rvalue); |
7951dea2 SS |
519 | return 0; |
520 | } | |
521 | ||
522 | if (netdev->kind != NETDEV_KIND_IPIP && | |
523 | netdev->kind != NETDEV_KIND_SIT && | |
a613382b | 524 | netdev->kind != NETDEV_KIND_GRE && |
1af2536a | 525 | netdev->kind != NETDEV_KIND_GRETAP && |
b16492f8 SS |
526 | netdev->kind != NETDEV_KIND_IP6GRE && |
527 | netdev->kind != NETDEV_KIND_IP6GRETAP && | |
855ee1a1 | 528 | netdev->kind != NETDEV_KIND_VTI && |
9011ce77 | 529 | netdev->kind != NETDEV_KIND_VTI6 && |
855ee1a1 SS |
530 | netdev->kind != NETDEV_KIND_IP6TNL |
531 | ) { | |
7951dea2 SS |
532 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
533 | "NetDev is not a tunnel, ignoring assignment: %s", rvalue); | |
534 | return 0; | |
535 | } | |
536 | ||
6a0a2f86 TG |
537 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
538 | if (r < 0) { | |
6a7a4e4d | 539 | log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue); |
6a0a2f86 TG |
540 | return 0; |
541 | } | |
542 | ||
543 | netdev_ref(netdev); | |
7951dea2 SS |
544 | |
545 | return 0; | |
546 | } | |
bd8f6538 | 547 | |
d0d6a4cd TG |
548 | int config_parse_ipv4ll( |
549 | const char* unit, | |
550 | const char *filename, | |
551 | unsigned line, | |
552 | const char *section, | |
553 | unsigned section_line, | |
554 | const char *lvalue, | |
555 | int ltype, | |
556 | const char *rvalue, | |
557 | void *data, | |
558 | void *userdata) { | |
559 | ||
560 | AddressFamilyBoolean *link_local = data; | |
561 | ||
562 | assert(filename); | |
563 | assert(lvalue); | |
564 | assert(rvalue); | |
565 | assert(data); | |
566 | ||
567 | /* Note that this is mostly like | |
568 | * config_parse_address_family_boolean(), except that it | |
569 | * applies only to IPv4 */ | |
570 | ||
571 | if (parse_boolean(rvalue)) | |
572 | *link_local |= ADDRESS_FAMILY_IPV4; | |
573 | else | |
574 | *link_local &= ~ADDRESS_FAMILY_IPV4; | |
575 | ||
576 | return 0; | |
577 | } | |
578 | ||
bd8f6538 TG |
579 | int config_parse_dhcp( |
580 | const char* unit, | |
581 | const char *filename, | |
582 | unsigned line, | |
583 | const char *section, | |
584 | unsigned section_line, | |
585 | const char *lvalue, | |
586 | int ltype, | |
587 | const char *rvalue, | |
588 | void *data, | |
589 | void *userdata) { | |
590 | ||
cb9fc36a | 591 | AddressFamilyBoolean *dhcp = data, s; |
bd8f6538 TG |
592 | |
593 | assert(filename); | |
594 | assert(lvalue); | |
595 | assert(rvalue); | |
596 | assert(data); | |
597 | ||
769d324c LP |
598 | /* Note that this is mostly like |
599 | * config_parse_address_family_boolean(), except that it | |
600 | * understands some old names for the enum values */ | |
601 | ||
cb9fc36a LP |
602 | s = address_family_boolean_from_string(rvalue); |
603 | if (s < 0) { | |
604 | ||
605 | /* Previously, we had a slightly different enum here, | |
606 | * support its values for compatbility. */ | |
607 | ||
608 | if (streq(rvalue, "none")) | |
609 | s = ADDRESS_FAMILY_NO; | |
610 | else if (streq(rvalue, "v4")) | |
611 | s = ADDRESS_FAMILY_IPV4; | |
612 | else if (streq(rvalue, "v6")) | |
613 | s = ADDRESS_FAMILY_IPV6; | |
614 | else if (streq(rvalue, "both")) | |
615 | s = ADDRESS_FAMILY_YES; | |
616 | else { | |
617 | log_syntax(unit, LOG_ERR, filename, line, s, "Failed to parse DHCP option, ignoring: %s", rvalue); | |
bd8f6538 TG |
618 | return 0; |
619 | } | |
bd8f6538 TG |
620 | } |
621 | ||
cb9fc36a | 622 | *dhcp = s; |
bd8f6538 TG |
623 | return 0; |
624 | } | |
625 | ||
3e43b2cd JJ |
626 | static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = { |
627 | [DHCP_CLIENT_ID_MAC] = "mac", | |
628 | [DHCP_CLIENT_ID_DUID] = "duid" | |
629 | }; | |
630 | ||
631 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DCHPClientIdentifier); | |
632 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DCHPClientIdentifier, "Failed to parse client identifier type"); | |
633 | ||
bd8f6538 TG |
634 | static const char* const llmnr_support_table[_LLMNR_SUPPORT_MAX] = { |
635 | [LLMNR_SUPPORT_NO] = "no", | |
636 | [LLMNR_SUPPORT_YES] = "yes", | |
637 | [LLMNR_SUPPORT_RESOLVE] = "resolve", | |
638 | }; | |
639 | ||
640 | DEFINE_STRING_TABLE_LOOKUP(llmnr_support, LLMNRSupport); | |
641 | ||
642 | int config_parse_llmnr( | |
643 | const char* unit, | |
644 | const char *filename, | |
645 | unsigned line, | |
646 | const char *section, | |
647 | unsigned section_line, | |
648 | const char *lvalue, | |
649 | int ltype, | |
650 | const char *rvalue, | |
651 | void *data, | |
652 | void *userdata) { | |
653 | ||
654 | LLMNRSupport *llmnr = data; | |
655 | int k; | |
656 | ||
657 | assert(filename); | |
658 | assert(lvalue); | |
659 | assert(rvalue); | |
7f77697a | 660 | assert(llmnr); |
bd8f6538 TG |
661 | |
662 | /* Our enum shall be a superset of booleans, hence first try | |
663 | * to parse as boolean, and then as enum */ | |
664 | ||
665 | k = parse_boolean(rvalue); | |
666 | if (k > 0) | |
667 | *llmnr = LLMNR_SUPPORT_YES; | |
668 | else if (k == 0) | |
669 | *llmnr = LLMNR_SUPPORT_NO; | |
670 | else { | |
671 | LLMNRSupport s; | |
672 | ||
673 | s = llmnr_support_from_string(rvalue); | |
674 | if (s < 0){ | |
675 | log_syntax(unit, LOG_ERR, filename, line, -s, "Failed to parse LLMNR option, ignoring: %s", rvalue); | |
676 | return 0; | |
677 | } | |
678 | ||
679 | *llmnr = s; | |
680 | } | |
681 | ||
682 | return 0; | |
683 | } | |
7f77697a | 684 | |
60c35566 | 685 | int config_parse_ipv6token( |
7f77697a TG |
686 | const char* unit, |
687 | const char *filename, | |
688 | unsigned line, | |
689 | const char *section, | |
690 | unsigned section_line, | |
691 | const char *lvalue, | |
692 | int ltype, | |
693 | const char *rvalue, | |
694 | void *data, | |
695 | void *userdata) { | |
696 | ||
697 | union in_addr_union buffer; | |
698 | struct in6_addr *token = data; | |
699 | int r; | |
700 | ||
701 | assert(filename); | |
702 | assert(lvalue); | |
703 | assert(rvalue); | |
704 | assert(token); | |
705 | ||
706 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
707 | if (r < 0) { | |
6a7a4e4d | 708 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
709 | return 0; |
710 | } | |
711 | ||
712 | r = in_addr_is_null(AF_INET6, &buffer); | |
713 | if (r < 0) { | |
6a7a4e4d | 714 | log_syntax(unit, LOG_ERR, filename, line, r, "IPv6 token can not be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
715 | return 0; |
716 | } | |
717 | ||
718 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
e2acdb6b | 719 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "IPv6 token can not be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
720 | return 0; |
721 | } | |
722 | ||
723 | *token = buffer.in6; | |
724 | ||
725 | return 0; | |
726 | } | |
8add5f79 NO |
727 | |
728 | int config_parse_address_family_boolean_with_kernel( | |
729 | const char* unit, | |
730 | const char *filename, | |
731 | unsigned line, | |
732 | const char *section, | |
733 | unsigned section_line, | |
734 | const char *lvalue, | |
735 | int ltype, | |
736 | const char *rvalue, | |
737 | void *data, | |
738 | void *userdata) { | |
739 | ||
740 | AddressFamilyBoolean *fwd = data, s; | |
741 | ||
742 | assert(filename); | |
743 | assert(lvalue); | |
744 | assert(rvalue); | |
745 | assert(data); | |
746 | ||
747 | s = address_family_boolean_from_string(rvalue); | |
748 | if (s < 0) { | |
749 | if (streq(rvalue, "kernel")) | |
750 | s = _ADDRESS_FAMILY_BOOLEAN_INVALID; | |
751 | else { | |
752 | log_syntax(unit, LOG_ERR, filename, line, s, "Failed to parse IPForwarding option, ignoring: %s", rvalue); | |
753 | return 0; | |
754 | } | |
755 | } | |
756 | ||
757 | *fwd = s; | |
758 | ||
759 | return 0; | |
760 | } | |
49092e22 SS |
761 | |
762 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { | |
1f0d9695 LP |
763 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
764 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
765 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
766 | }; |
767 | ||
768 | DEFINE_STRING_TABLE_LOOKUP(ipv6_privacy_extensions, IPv6PrivacyExtensions); | |
769 | ||
770 | int config_parse_ipv6_privacy_extensions( | |
771 | const char* unit, | |
772 | const char *filename, | |
773 | unsigned line, | |
774 | const char *section, | |
775 | unsigned section_line, | |
776 | const char *lvalue, | |
777 | int ltype, | |
778 | const char *rvalue, | |
779 | void *data, | |
780 | void *userdata) { | |
781 | ||
782 | IPv6PrivacyExtensions *ipv6_privacy_extensions = data; | |
783 | int k; | |
784 | ||
785 | assert(filename); | |
786 | assert(lvalue); | |
787 | assert(rvalue); | |
788 | assert(ipv6_privacy_extensions); | |
789 | ||
790 | /* Our enum shall be a superset of booleans, hence first try | |
791 | * to parse as boolean, and then as enum */ | |
792 | ||
793 | k = parse_boolean(rvalue); | |
794 | if (k > 0) | |
1f0d9695 | 795 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_YES; |
49092e22 | 796 | else if (k == 0) |
1f0d9695 | 797 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
49092e22 | 798 | else { |
1f0d9695 | 799 | IPv6PrivacyExtensions s; |
49092e22 SS |
800 | |
801 | s = ipv6_privacy_extensions_from_string(rvalue); | |
1f0d9695 LP |
802 | if (s < 0) { |
803 | ||
804 | if (streq(rvalue, "kernel")) | |
805 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
806 | else { | |
807 | log_syntax(unit, LOG_ERR, filename, line, s, "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); | |
808 | return 0; | |
809 | } | |
49092e22 SS |
810 | } |
811 | ||
812 | *ipv6_privacy_extensions = s; | |
813 | } | |
814 | ||
815 | return 0; | |
816 | } | |
a7d0ef44 SS |
817 | |
818 | int config_parse_hostname(const char *unit, | |
819 | const char *filename, | |
820 | unsigned line, | |
821 | const char *section, | |
822 | unsigned section_line, | |
823 | const char *lvalue, | |
824 | int ltype, | |
825 | const char *rvalue, | |
826 | void *data, | |
827 | void *userdata) { | |
828 | char **hostname = data; | |
829 | char *hn = NULL; | |
830 | int r; | |
831 | ||
832 | assert(filename); | |
833 | assert(lvalue); | |
834 | assert(rvalue); | |
835 | ||
836 | r = config_parse_string(unit, filename, line, section, section_line, | |
837 | lvalue, ltype, rvalue, &hn, userdata); | |
838 | if (r < 0) | |
839 | return r; | |
840 | ||
79f17ea6 | 841 | if (!hostname_is_valid(hn, true)) { |
a7d0ef44 SS |
842 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "hostname is not valid, ignoring assignment: %s", rvalue); |
843 | ||
844 | free(hn); | |
845 | return 0; | |
846 | } | |
847 | ||
ae691c1d | 848 | *hostname = hostname_cleanup(hn); |
a7d0ef44 SS |
849 | |
850 | return 0; | |
851 | } |