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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" |
5a8bcb67 LP |
28 | #include "networkd.h" |
29 | #include "networkd-netdev.h" | |
30 | #include "networkd-link.h" | |
31 | #include "network-internal.h" | |
f579559b TG |
32 | |
33 | static int network_load_one(Manager *manager, const char *filename) { | |
34 | _cleanup_network_free_ Network *network = NULL; | |
35 | _cleanup_fclose_ FILE *file = NULL; | |
dbffab87 | 36 | char *d; |
b3070dc0 TG |
37 | Route *route; |
38 | Address *address; | |
f579559b TG |
39 | int r; |
40 | ||
bf1bc670 TA |
41 | assert(manager); |
42 | assert(filename); | |
43 | ||
f579559b TG |
44 | file = fopen(filename, "re"); |
45 | if (!file) { | |
46 | if (errno == ENOENT) | |
47 | return 0; | |
48 | else | |
ecb08ec6 | 49 | return -errno; |
f579559b TG |
50 | } |
51 | ||
ed88bcfb ZJS |
52 | if (null_or_empty_fd(fileno(file))) { |
53 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
54 | return 0; |
55 | } | |
56 | ||
f579559b TG |
57 | network = new0(Network, 1); |
58 | if (!network) | |
59 | return log_oom(); | |
60 | ||
5a3eb5a7 TG |
61 | network->manager = manager; |
62 | ||
f048a16b TG |
63 | LIST_HEAD_INIT(network->static_addresses); |
64 | LIST_HEAD_INIT(network->static_routes); | |
b98b483b | 65 | LIST_HEAD_INIT(network->static_fdb_entries); |
f579559b | 66 | |
d5099efc | 67 | network->stacked_netdevs = hashmap_new(&string_hash_ops); |
6a0a2f86 | 68 | if (!network->stacked_netdevs) |
326cb406 SS |
69 | return log_oom(); |
70 | ||
d5099efc | 71 | network->addresses_by_section = hashmap_new(NULL); |
6ae115c1 TG |
72 | if (!network->addresses_by_section) |
73 | return log_oom(); | |
74 | ||
d5099efc | 75 | network->routes_by_section = hashmap_new(NULL); |
6ae115c1 TG |
76 | if (!network->routes_by_section) |
77 | return log_oom(); | |
78 | ||
b98b483b AR |
79 | network->fdb_entries_by_section = hashmap_new(NULL); |
80 | if (!network->fdb_entries_by_section) | |
81 | return log_oom(); | |
82 | ||
6ae115c1 TG |
83 | network->filename = strdup(filename); |
84 | if (!network->filename) | |
85 | return log_oom(); | |
86 | ||
dbffab87 TG |
87 | network->name = strdup(basename(filename)); |
88 | if (!network->name) | |
89 | return log_oom(); | |
90 | ||
91 | d = strrchr(network->name, '.'); | |
92 | if (!d) | |
93 | return -EINVAL; | |
94 | ||
95 | assert(streq(d, ".network")); | |
96 | ||
97 | *d = '\0'; | |
98 | ||
cb9fc36a | 99 | network->dhcp = ADDRESS_FAMILY_NO; |
bcb7a07e | 100 | network->dhcp_ntp = true; |
5be4d38e | 101 | network->dhcp_dns = true; |
1346b1f0 | 102 | network->dhcp_hostname = true; |
e1ea665e | 103 | network->dhcp_routes = true; |
4cc7a82c | 104 | network->dhcp_sendhost = true; |
84b5b79a | 105 | network->dhcp_route_metric = DHCP_ROUTE_METRIC; |
5be4d38e | 106 | |
bd8f6538 TG |
107 | network->llmnr = LLMNR_SUPPORT_YES; |
108 | ||
d0d6a4cd TG |
109 | network->link_local = ADDRESS_FAMILY_IPV6; |
110 | ||
e9f3d2d5 | 111 | r = config_parse(NULL, filename, file, |
c106cc36 TG |
112 | "Match\0" |
113 | "Link\0" | |
114 | "Network\0" | |
115 | "Address\0" | |
116 | "Route\0" | |
117 | "DHCP\0" | |
118 | "DHCPv4\0" | |
b98b483b AR |
119 | "Bridge\0" |
120 | "BridgeFDB\0", | |
e9f3d2d5 | 121 | config_item_perf_lookup, network_network_gperf_lookup, |
36f822c4 ZJS |
122 | false, false, true, network); |
123 | if (r < 0) | |
f579559b | 124 | return r; |
f579559b | 125 | |
5a8bcb67 LP |
126 | /* IPMasquerade=yes implies IPForward=yes */ |
127 | if (network->ip_masquerade) | |
769d324c | 128 | network->ip_forward |= ADDRESS_FAMILY_IPV4; |
5a8bcb67 | 129 | |
f579559b | 130 | LIST_PREPEND(networks, manager->networks, network); |
b3070dc0 | 131 | |
dbffab87 TG |
132 | r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops); |
133 | if (r < 0) | |
134 | return r; | |
135 | ||
136 | r = hashmap_put(manager->networks_by_name, network->name, network); | |
137 | if (r < 0) | |
138 | return r; | |
139 | ||
3d3d4255 | 140 | LIST_FOREACH(routes, route, network->static_routes) { |
b3070dc0 TG |
141 | if (!route->family) { |
142 | log_warning("Route section without Gateway field configured in %s. " | |
143 | "Ignoring", filename); | |
144 | return 0; | |
145 | } | |
b3070dc0 TG |
146 | } |
147 | ||
3d3d4255 | 148 | LIST_FOREACH(addresses, address, network->static_addresses) { |
b3070dc0 TG |
149 | if (!address->family) { |
150 | log_warning("Address section without Address field configured in %s. " | |
151 | "Ignoring", filename); | |
152 | return 0; | |
153 | } | |
154 | } | |
155 | ||
f579559b TG |
156 | network = NULL; |
157 | ||
158 | return 0; | |
159 | } | |
160 | ||
161 | int network_load(Manager *manager) { | |
162 | Network *network; | |
477e73b5 ZJS |
163 | _cleanup_strv_free_ char **files = NULL; |
164 | char **f; | |
f579559b TG |
165 | int r; |
166 | ||
167 | assert(manager); | |
168 | ||
169 | while ((network = manager->networks)) | |
170 | network_free(network); | |
171 | ||
2ad8416d | 172 | r = conf_files_list_strv(&files, ".network", NULL, network_dirs); |
f647962d MS |
173 | if (r < 0) |
174 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b TG |
175 | |
176 | STRV_FOREACH_BACKWARDS(f, files) { | |
177 | r = network_load_one(manager, *f); | |
178 | if (r < 0) | |
179 | return r; | |
180 | } | |
181 | ||
f579559b TG |
182 | return 0; |
183 | } | |
184 | ||
f579559b | 185 | void network_free(Network *network) { |
47e2dc31 | 186 | NetDev *netdev; |
f579559b TG |
187 | Route *route; |
188 | Address *address; | |
b98b483b | 189 | FdbEntry *fdb_entry; |
06f021a8 | 190 | Iterator i; |
f579559b TG |
191 | |
192 | if (!network) | |
193 | return; | |
194 | ||
195 | free(network->filename); | |
196 | ||
197 | free(network->match_mac); | |
5256e00e TG |
198 | strv_free(network->match_path); |
199 | strv_free(network->match_driver); | |
200 | strv_free(network->match_type); | |
201 | strv_free(network->match_name); | |
f579559b TG |
202 | |
203 | free(network->description); | |
edb85f0d | 204 | free(network->dhcp_vendor_class_identifier); |
f579559b | 205 | |
c106cc36 TG |
206 | free(network->mac); |
207 | ||
b0e39c82 TG |
208 | strv_free(network->ntp); |
209 | strv_free(network->dns); | |
486d1a81 | 210 | strv_free(network->domains); |
0d4ad91d | 211 | strv_free(network->bind_carrier); |
3bef724f | 212 | |
47e2dc31 TG |
213 | netdev_unref(network->bridge); |
214 | ||
215 | netdev_unref(network->bond); | |
216 | ||
2c36be2f TG |
217 | HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) { |
218 | hashmap_remove(network->stacked_netdevs, netdev->ifname); | |
326cb406 | 219 | netdev_unref(netdev); |
2c36be2f | 220 | } |
6a0a2f86 | 221 | hashmap_free(network->stacked_netdevs); |
326cb406 | 222 | |
f048a16b | 223 | while ((route = network->static_routes)) |
f579559b TG |
224 | route_free(route); |
225 | ||
f048a16b | 226 | while ((address = network->static_addresses)) |
f579559b TG |
227 | address_free(address); |
228 | ||
b98b483b AR |
229 | while ((fdb_entry = network->static_fdb_entries)) |
230 | fdb_entry_free(fdb_entry); | |
231 | ||
6ae115c1 TG |
232 | hashmap_free(network->addresses_by_section); |
233 | hashmap_free(network->routes_by_section); | |
b98b483b | 234 | hashmap_free(network->fdb_entries_by_section); |
6ae115c1 | 235 | |
dbffab87 TG |
236 | if (network->manager) { |
237 | if (network->manager->networks) | |
238 | LIST_REMOVE(networks, network->manager->networks, network); | |
239 | ||
240 | if (network->manager->networks_by_name) | |
241 | hashmap_remove(network->manager->networks_by_name, network->name); | |
242 | } | |
243 | ||
244 | free(network->name); | |
f579559b | 245 | |
79e16ce3 LP |
246 | condition_free_list(network->match_host); |
247 | condition_free_list(network->match_virt); | |
248 | condition_free_list(network->match_kernel); | |
249 | condition_free_list(network->match_arch); | |
250 | ||
f579559b TG |
251 | free(network); |
252 | } | |
253 | ||
dbffab87 TG |
254 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
255 | Network *network; | |
256 | ||
257 | assert(manager); | |
258 | assert(name); | |
259 | assert(ret); | |
260 | ||
261 | network = hashmap_get(manager->networks_by_name, name); | |
262 | if (!network) | |
263 | return -ENOENT; | |
264 | ||
265 | *ret = network; | |
266 | ||
267 | return 0; | |
268 | } | |
269 | ||
505f8da7 TG |
270 | int network_get(Manager *manager, struct udev_device *device, |
271 | const char *ifname, const struct ether_addr *address, | |
272 | Network **ret) { | |
f579559b TG |
273 | Network *network; |
274 | ||
275 | assert(manager); | |
f579559b TG |
276 | assert(ret); |
277 | ||
f579559b TG |
278 | LIST_FOREACH(networks, network, manager->networks) { |
279 | if (net_match_config(network->match_mac, network->match_path, | |
505f8da7 TG |
280 | network->match_driver, network->match_type, |
281 | network->match_name, network->match_host, | |
282 | network->match_virt, network->match_kernel, | |
283 | network->match_arch, | |
284 | address, | |
285 | udev_device_get_property_value(device, "ID_PATH"), | |
286 | udev_device_get_driver(udev_device_get_parent(device)), | |
287 | udev_device_get_property_value(device, "ID_NET_DRIVER"), | |
288 | udev_device_get_devtype(device), | |
32bc8adc | 289 | ifname)) { |
32bc8adc | 290 | if (network->match_name) { |
ca6038b8 TG |
291 | const char *attr; |
292 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
293 | ||
32bc8adc | 294 | attr = udev_device_get_sysattr_value(device, "name_assign_type"); |
285760fe DR |
295 | if (attr) |
296 | (void)safe_atou8(attr, &name_assign_type); | |
32bc8adc TG |
297 | |
298 | if (name_assign_type == NET_NAME_ENUM) | |
ca6038b8 | 299 | log_warning("%-*s: found matching network '%s', based on potentially unpredictable ifname", |
32bc8adc TG |
300 | IFNAMSIZ, ifname, network->filename); |
301 | else | |
302 | log_debug("%-*s: found matching network '%s'", IFNAMSIZ, ifname, network->filename); | |
303 | } else | |
304 | log_debug("%-*s: found matching network '%s'", IFNAMSIZ, ifname, network->filename); | |
305 | ||
f579559b TG |
306 | *ret = network; |
307 | return 0; | |
308 | } | |
309 | } | |
310 | ||
311 | *ret = NULL; | |
312 | ||
313 | return -ENOENT; | |
314 | } | |
315 | ||
316 | int network_apply(Manager *manager, Network *network, Link *link) { | |
f579559b TG |
317 | int r; |
318 | ||
f579559b TG |
319 | link->network = network; |
320 | ||
bfa695b5 TG |
321 | if (network->ipv4ll_route) { |
322 | Route *route; | |
323 | ||
324 | r = route_new_static(network, 0, &route); | |
325 | if (r < 0) | |
326 | return r; | |
327 | ||
328 | r = inet_pton(AF_INET, "169.254.0.0", &route->dst_addr.in); | |
329 | if (r == 0) | |
330 | return -EINVAL; | |
331 | if (r < 0) | |
332 | return -errno; | |
333 | ||
334 | route->family = AF_INET; | |
335 | route->dst_prefixlen = 16; | |
336 | route->scope = RT_SCOPE_LINK; | |
337 | route->metrics = IPV4LL_ROUTE_METRIC; | |
338 | route->protocol = RTPROT_STATIC; | |
339 | } | |
340 | ||
bcb7a07e | 341 | if (network->dns || network->ntp) { |
091a364c | 342 | r = link_save(link); |
3bef724f TG |
343 | if (r < 0) |
344 | return r; | |
345 | } | |
346 | ||
f579559b TG |
347 | return 0; |
348 | } | |
02b59d57 | 349 | |
69a93e7d | 350 | int config_parse_netdev(const char *unit, |
02b59d57 TG |
351 | const char *filename, |
352 | unsigned line, | |
353 | const char *section, | |
354 | unsigned section_line, | |
355 | const char *lvalue, | |
356 | int ltype, | |
357 | const char *rvalue, | |
358 | void *data, | |
359 | void *userdata) { | |
360 | Network *network = userdata; | |
31d0ac36 TG |
361 | _cleanup_free_ char *kind_string = NULL; |
362 | char *p; | |
1a436809 | 363 | NetDev *netdev; |
69a93e7d | 364 | NetDevKind kind; |
02b59d57 TG |
365 | int r; |
366 | ||
367 | assert(filename); | |
368 | assert(lvalue); | |
369 | assert(rvalue); | |
370 | assert(data); | |
371 | ||
69a93e7d TG |
372 | kind_string = strdup(lvalue); |
373 | if (!kind_string) | |
374 | return log_oom(); | |
52433f6b | 375 | |
69a93e7d TG |
376 | /* the keys are CamelCase versions of the kind */ |
377 | for (p = kind_string; *p; p++) | |
378 | *p = tolower(*p); | |
52433f6b | 379 | |
69a93e7d TG |
380 | kind = netdev_kind_from_string(kind_string); |
381 | if (kind == _NETDEV_KIND_INVALID) { | |
52433f6b | 382 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
69a93e7d | 383 | "Invalid NetDev kind: %s", lvalue); |
52433f6b TG |
384 | return 0; |
385 | } | |
386 | ||
54abf461 TG |
387 | r = netdev_get(network->manager, rvalue, &netdev); |
388 | if (r < 0) { | |
389 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
69a93e7d | 390 | "%s could not be found, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
391 | return 0; |
392 | } | |
393 | ||
69a93e7d | 394 | if (netdev->kind != kind) { |
54abf461 | 395 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
69a93e7d | 396 | "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
397 | return 0; |
398 | } | |
399 | ||
69a93e7d TG |
400 | switch (kind) { |
401 | case NETDEV_KIND_BRIDGE: | |
402 | network->bridge = netdev; | |
54abf461 | 403 | |
69a93e7d TG |
404 | break; |
405 | case NETDEV_KIND_BOND: | |
406 | network->bond = netdev; | |
fe6b2d55 | 407 | |
69a93e7d TG |
408 | break; |
409 | case NETDEV_KIND_VLAN: | |
69a93e7d | 410 | case NETDEV_KIND_MACVLAN: |
c4a5ddc9 | 411 | case NETDEV_KIND_IPVLAN: |
326cb406 | 412 | case NETDEV_KIND_VXLAN: |
6a0a2f86 | 413 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
326cb406 SS |
414 | if (r < 0) { |
415 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
6a0a2f86 | 416 | "Can not add VLAN '%s' to network: %s", |
aa9f1140 | 417 | rvalue, strerror(-r)); |
326cb406 SS |
418 | return 0; |
419 | } | |
420 | ||
69a93e7d TG |
421 | break; |
422 | default: | |
423 | assert_not_reached("Can not parse NetDev"); | |
fe6b2d55 TG |
424 | } |
425 | ||
47e2dc31 TG |
426 | netdev_ref(netdev); |
427 | ||
fe6b2d55 TG |
428 | return 0; |
429 | } | |
7951dea2 | 430 | |
6192b846 TG |
431 | int config_parse_domains(const char *unit, |
432 | const char *filename, | |
433 | unsigned line, | |
434 | const char *section, | |
435 | unsigned section_line, | |
436 | const char *lvalue, | |
437 | int ltype, | |
438 | const char *rvalue, | |
439 | void *data, | |
440 | void *userdata) { | |
67272d15 | 441 | Network *network = userdata; |
6192b846 TG |
442 | char ***domains = data; |
443 | char **domain; | |
444 | int r; | |
445 | ||
446 | r = config_parse_strv(unit, filename, line, section, section_line, | |
447 | lvalue, ltype, rvalue, domains, userdata); | |
448 | if (r < 0) | |
449 | return r; | |
450 | ||
451 | strv_uniq(*domains); | |
f15b6e5a | 452 | network->wildcard_domain = !!strv_find(*domains, "*"); |
67272d15 | 453 | |
40274ed6 LP |
454 | STRV_FOREACH(domain, *domains) { |
455 | if (is_localhost(*domain)) | |
456 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "'localhost' domain names may not be configured, ignoring assignment: %s", *domain); | |
457 | else if (!hostname_is_valid(*domain)) { | |
458 | if (!streq(*domain, "*")) | |
459 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "domain name is not valid, ignoring assignment: %s", *domain); | |
460 | } else | |
461 | continue; | |
462 | ||
463 | strv_remove(*domains, *domain); | |
464 | ||
465 | /* We removed one entry, make sure we don't skip the next one */ | |
466 | domain--; | |
467 | } | |
f15b6e5a | 468 | |
6192b846 TG |
469 | return 0; |
470 | } | |
471 | ||
7951dea2 SS |
472 | int config_parse_tunnel(const char *unit, |
473 | const char *filename, | |
474 | unsigned line, | |
475 | const char *section, | |
476 | unsigned section_line, | |
477 | const char *lvalue, | |
478 | int ltype, | |
479 | const char *rvalue, | |
480 | void *data, | |
481 | void *userdata) { | |
482 | Network *network = userdata; | |
483 | NetDev *netdev; | |
484 | int r; | |
485 | ||
486 | assert(filename); | |
487 | assert(lvalue); | |
488 | assert(rvalue); | |
489 | assert(data); | |
490 | ||
491 | r = netdev_get(network->manager, rvalue, &netdev); | |
492 | if (r < 0) { | |
493 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
494 | "Tunnel is invalid, ignoring assignment: %s", rvalue); | |
495 | return 0; | |
496 | } | |
497 | ||
498 | if (netdev->kind != NETDEV_KIND_IPIP && | |
499 | netdev->kind != NETDEV_KIND_SIT && | |
a613382b | 500 | netdev->kind != NETDEV_KIND_GRE && |
1af2536a | 501 | netdev->kind != NETDEV_KIND_GRETAP && |
b16492f8 SS |
502 | netdev->kind != NETDEV_KIND_IP6GRE && |
503 | netdev->kind != NETDEV_KIND_IP6GRETAP && | |
855ee1a1 SS |
504 | netdev->kind != NETDEV_KIND_VTI && |
505 | netdev->kind != NETDEV_KIND_IP6TNL | |
506 | ) { | |
7951dea2 SS |
507 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
508 | "NetDev is not a tunnel, ignoring assignment: %s", rvalue); | |
509 | return 0; | |
510 | } | |
511 | ||
6a0a2f86 TG |
512 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
513 | if (r < 0) { | |
514 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
515 | "Can not add VLAN '%s' to network: %s", | |
516 | rvalue, strerror(-r)); | |
517 | return 0; | |
518 | } | |
519 | ||
520 | netdev_ref(netdev); | |
7951dea2 SS |
521 | |
522 | return 0; | |
523 | } | |
bd8f6538 | 524 | |
d0d6a4cd TG |
525 | int config_parse_ipv4ll( |
526 | const char* unit, | |
527 | const char *filename, | |
528 | unsigned line, | |
529 | const char *section, | |
530 | unsigned section_line, | |
531 | const char *lvalue, | |
532 | int ltype, | |
533 | const char *rvalue, | |
534 | void *data, | |
535 | void *userdata) { | |
536 | ||
537 | AddressFamilyBoolean *link_local = data; | |
538 | ||
539 | assert(filename); | |
540 | assert(lvalue); | |
541 | assert(rvalue); | |
542 | assert(data); | |
543 | ||
544 | /* Note that this is mostly like | |
545 | * config_parse_address_family_boolean(), except that it | |
546 | * applies only to IPv4 */ | |
547 | ||
548 | if (parse_boolean(rvalue)) | |
549 | *link_local |= ADDRESS_FAMILY_IPV4; | |
550 | else | |
551 | *link_local &= ~ADDRESS_FAMILY_IPV4; | |
552 | ||
553 | return 0; | |
554 | } | |
555 | ||
bd8f6538 TG |
556 | int config_parse_dhcp( |
557 | const char* unit, | |
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 | ||
cb9fc36a | 568 | AddressFamilyBoolean *dhcp = data, s; |
bd8f6538 TG |
569 | |
570 | assert(filename); | |
571 | assert(lvalue); | |
572 | assert(rvalue); | |
573 | assert(data); | |
574 | ||
769d324c LP |
575 | /* Note that this is mostly like |
576 | * config_parse_address_family_boolean(), except that it | |
577 | * understands some old names for the enum values */ | |
578 | ||
cb9fc36a LP |
579 | s = address_family_boolean_from_string(rvalue); |
580 | if (s < 0) { | |
581 | ||
582 | /* Previously, we had a slightly different enum here, | |
583 | * support its values for compatbility. */ | |
584 | ||
585 | if (streq(rvalue, "none")) | |
586 | s = ADDRESS_FAMILY_NO; | |
587 | else if (streq(rvalue, "v4")) | |
588 | s = ADDRESS_FAMILY_IPV4; | |
589 | else if (streq(rvalue, "v6")) | |
590 | s = ADDRESS_FAMILY_IPV6; | |
591 | else if (streq(rvalue, "both")) | |
592 | s = ADDRESS_FAMILY_YES; | |
593 | else { | |
594 | log_syntax(unit, LOG_ERR, filename, line, s, "Failed to parse DHCP option, ignoring: %s", rvalue); | |
bd8f6538 TG |
595 | return 0; |
596 | } | |
bd8f6538 TG |
597 | } |
598 | ||
cb9fc36a | 599 | *dhcp = s; |
bd8f6538 TG |
600 | return 0; |
601 | } | |
602 | ||
603 | static const char* const llmnr_support_table[_LLMNR_SUPPORT_MAX] = { | |
604 | [LLMNR_SUPPORT_NO] = "no", | |
605 | [LLMNR_SUPPORT_YES] = "yes", | |
606 | [LLMNR_SUPPORT_RESOLVE] = "resolve", | |
607 | }; | |
608 | ||
609 | DEFINE_STRING_TABLE_LOOKUP(llmnr_support, LLMNRSupport); | |
610 | ||
611 | int config_parse_llmnr( | |
612 | const char* unit, | |
613 | const char *filename, | |
614 | unsigned line, | |
615 | const char *section, | |
616 | unsigned section_line, | |
617 | const char *lvalue, | |
618 | int ltype, | |
619 | const char *rvalue, | |
620 | void *data, | |
621 | void *userdata) { | |
622 | ||
623 | LLMNRSupport *llmnr = data; | |
624 | int k; | |
625 | ||
626 | assert(filename); | |
627 | assert(lvalue); | |
628 | assert(rvalue); | |
7f77697a | 629 | assert(llmnr); |
bd8f6538 TG |
630 | |
631 | /* Our enum shall be a superset of booleans, hence first try | |
632 | * to parse as boolean, and then as enum */ | |
633 | ||
634 | k = parse_boolean(rvalue); | |
635 | if (k > 0) | |
636 | *llmnr = LLMNR_SUPPORT_YES; | |
637 | else if (k == 0) | |
638 | *llmnr = LLMNR_SUPPORT_NO; | |
639 | else { | |
640 | LLMNRSupport s; | |
641 | ||
642 | s = llmnr_support_from_string(rvalue); | |
643 | if (s < 0){ | |
644 | log_syntax(unit, LOG_ERR, filename, line, -s, "Failed to parse LLMNR option, ignoring: %s", rvalue); | |
645 | return 0; | |
646 | } | |
647 | ||
648 | *llmnr = s; | |
649 | } | |
650 | ||
651 | return 0; | |
652 | } | |
7f77697a | 653 | |
60c35566 | 654 | int config_parse_ipv6token( |
7f77697a TG |
655 | const char* unit, |
656 | const char *filename, | |
657 | unsigned line, | |
658 | const char *section, | |
659 | unsigned section_line, | |
660 | const char *lvalue, | |
661 | int ltype, | |
662 | const char *rvalue, | |
663 | void *data, | |
664 | void *userdata) { | |
665 | ||
666 | union in_addr_union buffer; | |
667 | struct in6_addr *token = data; | |
668 | int r; | |
669 | ||
670 | assert(filename); | |
671 | assert(lvalue); | |
672 | assert(rvalue); | |
673 | assert(token); | |
674 | ||
675 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
676 | if (r < 0) { | |
677 | log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to parse IPv6 token, ignoring: %s", rvalue); | |
678 | return 0; | |
679 | } | |
680 | ||
681 | r = in_addr_is_null(AF_INET6, &buffer); | |
682 | if (r < 0) { | |
e2acdb6b | 683 | log_syntax(unit, LOG_ERR, filename, line, -r, "IPv6 token can not be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
684 | return 0; |
685 | } | |
686 | ||
687 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
e2acdb6b | 688 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "IPv6 token can not be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
689 | return 0; |
690 | } | |
691 | ||
692 | *token = buffer.in6; | |
693 | ||
694 | return 0; | |
695 | } |