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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; |
bcb7a07e | 108 | network->dhcp_ntp = true; |
5be4d38e | 109 | network->dhcp_dns = true; |
1346b1f0 | 110 | network->dhcp_hostname = true; |
e1ea665e | 111 | network->dhcp_routes = true; |
4cc7a82c | 112 | network->dhcp_sendhost = 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); |
a7d0ef44 | 230 | free(network->hostname); |
f579559b | 231 | |
c106cc36 TG |
232 | free(network->mac); |
233 | ||
b0e39c82 TG |
234 | strv_free(network->ntp); |
235 | strv_free(network->dns); | |
486d1a81 | 236 | strv_free(network->domains); |
0d4ad91d | 237 | strv_free(network->bind_carrier); |
3bef724f | 238 | |
47e2dc31 TG |
239 | netdev_unref(network->bridge); |
240 | ||
241 | netdev_unref(network->bond); | |
242 | ||
2c36be2f TG |
243 | HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) { |
244 | hashmap_remove(network->stacked_netdevs, netdev->ifname); | |
326cb406 | 245 | netdev_unref(netdev); |
2c36be2f | 246 | } |
6a0a2f86 | 247 | hashmap_free(network->stacked_netdevs); |
326cb406 | 248 | |
f048a16b | 249 | while ((route = network->static_routes)) |
f579559b TG |
250 | route_free(route); |
251 | ||
f048a16b | 252 | while ((address = network->static_addresses)) |
f579559b TG |
253 | address_free(address); |
254 | ||
b98b483b AR |
255 | while ((fdb_entry = network->static_fdb_entries)) |
256 | fdb_entry_free(fdb_entry); | |
257 | ||
6ae115c1 TG |
258 | hashmap_free(network->addresses_by_section); |
259 | hashmap_free(network->routes_by_section); | |
b98b483b | 260 | hashmap_free(network->fdb_entries_by_section); |
6ae115c1 | 261 | |
dbffab87 TG |
262 | if (network->manager) { |
263 | if (network->manager->networks) | |
264 | LIST_REMOVE(networks, network->manager->networks, network); | |
265 | ||
266 | if (network->manager->networks_by_name) | |
267 | hashmap_remove(network->manager->networks_by_name, network->name); | |
268 | } | |
269 | ||
270 | free(network->name); | |
f579559b | 271 | |
79e16ce3 LP |
272 | condition_free_list(network->match_host); |
273 | condition_free_list(network->match_virt); | |
274 | condition_free_list(network->match_kernel); | |
275 | condition_free_list(network->match_arch); | |
276 | ||
8eb9058d | 277 | free(network->dhcp_server_timezone); |
1a04db0f LP |
278 | free(network->dhcp_server_dns); |
279 | free(network->dhcp_server_ntp); | |
8eb9058d | 280 | |
8a516214 LP |
281 | set_free_free(network->dnssec_negative_trust_anchors); |
282 | ||
f579559b TG |
283 | free(network); |
284 | } | |
285 | ||
dbffab87 TG |
286 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
287 | Network *network; | |
288 | ||
289 | assert(manager); | |
290 | assert(name); | |
291 | assert(ret); | |
292 | ||
293 | network = hashmap_get(manager->networks_by_name, name); | |
294 | if (!network) | |
295 | return -ENOENT; | |
296 | ||
297 | *ret = network; | |
298 | ||
299 | return 0; | |
300 | } | |
301 | ||
505f8da7 TG |
302 | int network_get(Manager *manager, struct udev_device *device, |
303 | const char *ifname, const struct ether_addr *address, | |
304 | Network **ret) { | |
f579559b | 305 | Network *network; |
af3aa302 | 306 | struct udev_device *parent; |
24c083df | 307 | const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL; |
f579559b TG |
308 | |
309 | assert(manager); | |
f579559b | 310 | assert(ret); |
af3aa302 | 311 | |
24c083df TG |
312 | if (device) { |
313 | path = udev_device_get_property_value(device, "ID_PATH"); | |
af3aa302 | 314 | |
24c083df TG |
315 | parent = udev_device_get_parent(device); |
316 | if (parent) | |
317 | parent_driver = udev_device_get_driver(parent); | |
af3aa302 | 318 | |
24c083df | 319 | driver = udev_device_get_property_value(device, "ID_NET_DRIVER"); |
af3aa302 | 320 | |
24c083df TG |
321 | devtype = udev_device_get_devtype(device); |
322 | } | |
f579559b | 323 | |
f579559b TG |
324 | LIST_FOREACH(networks, network, manager->networks) { |
325 | if (net_match_config(network->match_mac, network->match_path, | |
505f8da7 TG |
326 | network->match_driver, network->match_type, |
327 | network->match_name, network->match_host, | |
328 | network->match_virt, network->match_kernel, | |
329 | network->match_arch, | |
af3aa302 TG |
330 | address, path, parent_driver, driver, |
331 | devtype, ifname)) { | |
24c083df | 332 | if (network->match_name && device) { |
ca6038b8 TG |
333 | const char *attr; |
334 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
335 | ||
32bc8adc | 336 | attr = udev_device_get_sysattr_value(device, "name_assign_type"); |
285760fe | 337 | if (attr) |
dc751688 | 338 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
339 | |
340 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
341 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
342 | ifname, network->filename); | |
32bc8adc | 343 | else |
a2fae7bb | 344 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 345 | } else |
a2fae7bb | 346 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 347 | |
f579559b TG |
348 | *ret = network; |
349 | return 0; | |
350 | } | |
351 | } | |
352 | ||
353 | *ret = NULL; | |
354 | ||
355 | return -ENOENT; | |
356 | } | |
357 | ||
358 | int network_apply(Manager *manager, Network *network, Link *link) { | |
f579559b TG |
359 | int r; |
360 | ||
c4a03a56 TG |
361 | assert(manager); |
362 | assert(network); | |
363 | assert(link); | |
364 | ||
f579559b TG |
365 | link->network = network; |
366 | ||
bfa695b5 TG |
367 | if (network->ipv4ll_route) { |
368 | Route *route; | |
369 | ||
370 | r = route_new_static(network, 0, &route); | |
371 | if (r < 0) | |
372 | return r; | |
373 | ||
2ce40956 | 374 | r = inet_pton(AF_INET, "169.254.0.0", &route->dst.in); |
bfa695b5 TG |
375 | if (r == 0) |
376 | return -EINVAL; | |
377 | if (r < 0) | |
378 | return -errno; | |
379 | ||
380 | route->family = AF_INET; | |
381 | route->dst_prefixlen = 16; | |
382 | route->scope = RT_SCOPE_LINK; | |
86655331 | 383 | route->priority = IPV4LL_ROUTE_METRIC; |
bfa695b5 TG |
384 | route->protocol = RTPROT_STATIC; |
385 | } | |
386 | ||
84de38c5 TG |
387 | if (network->dns || network->ntp || network->domains) { |
388 | manager_dirty(manager); | |
389 | link_dirty(link); | |
3bef724f TG |
390 | } |
391 | ||
f579559b TG |
392 | return 0; |
393 | } | |
02b59d57 | 394 | |
69a93e7d | 395 | int config_parse_netdev(const char *unit, |
02b59d57 TG |
396 | const char *filename, |
397 | unsigned line, | |
398 | const char *section, | |
399 | unsigned section_line, | |
400 | const char *lvalue, | |
401 | int ltype, | |
402 | const char *rvalue, | |
403 | void *data, | |
404 | void *userdata) { | |
405 | Network *network = userdata; | |
31d0ac36 TG |
406 | _cleanup_free_ char *kind_string = NULL; |
407 | char *p; | |
1a436809 | 408 | NetDev *netdev; |
69a93e7d | 409 | NetDevKind kind; |
02b59d57 TG |
410 | int r; |
411 | ||
412 | assert(filename); | |
413 | assert(lvalue); | |
414 | assert(rvalue); | |
415 | assert(data); | |
416 | ||
69a93e7d TG |
417 | kind_string = strdup(lvalue); |
418 | if (!kind_string) | |
419 | return log_oom(); | |
52433f6b | 420 | |
69a93e7d TG |
421 | /* the keys are CamelCase versions of the kind */ |
422 | for (p = kind_string; *p; p++) | |
423 | *p = tolower(*p); | |
52433f6b | 424 | |
69a93e7d TG |
425 | kind = netdev_kind_from_string(kind_string); |
426 | if (kind == _NETDEV_KIND_INVALID) { | |
12ca818f | 427 | log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid NetDev kind: %s", lvalue); |
52433f6b TG |
428 | return 0; |
429 | } | |
430 | ||
54abf461 TG |
431 | r = netdev_get(network->manager, rvalue, &netdev); |
432 | if (r < 0) { | |
12ca818f | 433 | log_syntax(unit, LOG_ERR, filename, line, r, "%s could not be found, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
434 | return 0; |
435 | } | |
436 | ||
69a93e7d | 437 | if (netdev->kind != kind) { |
12ca818f | 438 | log_syntax(unit, LOG_ERR, filename, line, 0, "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
439 | return 0; |
440 | } | |
441 | ||
69a93e7d TG |
442 | switch (kind) { |
443 | case NETDEV_KIND_BRIDGE: | |
444 | network->bridge = netdev; | |
54abf461 | 445 | |
69a93e7d TG |
446 | break; |
447 | case NETDEV_KIND_BOND: | |
448 | network->bond = netdev; | |
fe6b2d55 | 449 | |
69a93e7d TG |
450 | break; |
451 | case NETDEV_KIND_VLAN: | |
69a93e7d | 452 | case NETDEV_KIND_MACVLAN: |
f33ff02b | 453 | case NETDEV_KIND_MACVTAP: |
c4a5ddc9 | 454 | case NETDEV_KIND_IPVLAN: |
326cb406 | 455 | case NETDEV_KIND_VXLAN: |
6a0a2f86 | 456 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
326cb406 | 457 | if (r < 0) { |
12ca818f | 458 | log_syntax(unit, LOG_ERR, filename, line, r, "Can not add VLAN '%s' to network: %m", rvalue); |
326cb406 SS |
459 | return 0; |
460 | } | |
461 | ||
69a93e7d TG |
462 | break; |
463 | default: | |
464 | assert_not_reached("Can not parse NetDev"); | |
fe6b2d55 TG |
465 | } |
466 | ||
47e2dc31 TG |
467 | netdev_ref(netdev); |
468 | ||
fe6b2d55 TG |
469 | return 0; |
470 | } | |
7951dea2 | 471 | |
6192b846 TG |
472 | int config_parse_domains(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) { | |
67272d15 | 482 | Network *network = userdata; |
6192b846 TG |
483 | char ***domains = data; |
484 | char **domain; | |
485 | int r; | |
486 | ||
487 | r = config_parse_strv(unit, filename, line, section, section_line, | |
488 | lvalue, ltype, rvalue, domains, userdata); | |
489 | if (r < 0) | |
490 | return r; | |
491 | ||
492 | strv_uniq(*domains); | |
f15b6e5a | 493 | network->wildcard_domain = !!strv_find(*domains, "*"); |
67272d15 | 494 | |
40274ed6 LP |
495 | STRV_FOREACH(domain, *domains) { |
496 | if (is_localhost(*domain)) | |
12ca818f | 497 | log_syntax(unit, LOG_ERR, filename, line, 0, "'localhost' domain names may not be configured, ignoring assignment: %s", *domain); |
37de2509 NO |
498 | else { |
499 | r = dns_name_is_valid(*domain); | |
500 | if (r <= 0 && !streq(*domain, "*")) { | |
501 | if (r < 0) | |
502 | log_error_errno(r, "Failed to validate domain name: %s: %m", *domain); | |
503 | if (r == 0) | |
504 | log_warning("Domain name is not valid, ignoring assignment: %s", *domain); | |
505 | } else | |
506 | continue; | |
507 | } | |
40274ed6 LP |
508 | |
509 | strv_remove(*domains, *domain); | |
510 | ||
511 | /* We removed one entry, make sure we don't skip the next one */ | |
512 | domain--; | |
513 | } | |
f15b6e5a | 514 | |
6192b846 TG |
515 | return 0; |
516 | } | |
517 | ||
7951dea2 SS |
518 | int config_parse_tunnel(const char *unit, |
519 | const char *filename, | |
520 | unsigned line, | |
521 | const char *section, | |
522 | unsigned section_line, | |
523 | const char *lvalue, | |
524 | int ltype, | |
525 | const char *rvalue, | |
526 | void *data, | |
527 | void *userdata) { | |
528 | Network *network = userdata; | |
529 | NetDev *netdev; | |
530 | int r; | |
531 | ||
532 | assert(filename); | |
533 | assert(lvalue); | |
534 | assert(rvalue); | |
535 | assert(data); | |
536 | ||
537 | r = netdev_get(network->manager, rvalue, &netdev); | |
538 | if (r < 0) { | |
6a7a4e4d | 539 | log_syntax(unit, LOG_ERR, filename, line, r, "Tunnel is invalid, ignoring assignment: %s", rvalue); |
7951dea2 SS |
540 | return 0; |
541 | } | |
542 | ||
543 | if (netdev->kind != NETDEV_KIND_IPIP && | |
544 | netdev->kind != NETDEV_KIND_SIT && | |
a613382b | 545 | netdev->kind != NETDEV_KIND_GRE && |
1af2536a | 546 | netdev->kind != NETDEV_KIND_GRETAP && |
b16492f8 SS |
547 | netdev->kind != NETDEV_KIND_IP6GRE && |
548 | netdev->kind != NETDEV_KIND_IP6GRETAP && | |
855ee1a1 | 549 | netdev->kind != NETDEV_KIND_VTI && |
9011ce77 | 550 | netdev->kind != NETDEV_KIND_VTI6 && |
855ee1a1 SS |
551 | netdev->kind != NETDEV_KIND_IP6TNL |
552 | ) { | |
12ca818f | 553 | log_syntax(unit, LOG_ERR, filename, line, 0, |
7951dea2 SS |
554 | "NetDev is not a tunnel, ignoring assignment: %s", rvalue); |
555 | return 0; | |
556 | } | |
557 | ||
6a0a2f86 TG |
558 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
559 | if (r < 0) { | |
6a7a4e4d | 560 | log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue); |
6a0a2f86 TG |
561 | return 0; |
562 | } | |
563 | ||
564 | netdev_ref(netdev); | |
7951dea2 SS |
565 | |
566 | return 0; | |
567 | } | |
bd8f6538 | 568 | |
d0d6a4cd TG |
569 | int config_parse_ipv4ll( |
570 | const char* unit, | |
571 | const char *filename, | |
572 | unsigned line, | |
573 | const char *section, | |
574 | unsigned section_line, | |
575 | const char *lvalue, | |
576 | int ltype, | |
577 | const char *rvalue, | |
578 | void *data, | |
579 | void *userdata) { | |
580 | ||
581 | AddressFamilyBoolean *link_local = data; | |
582 | ||
583 | assert(filename); | |
584 | assert(lvalue); | |
585 | assert(rvalue); | |
586 | assert(data); | |
587 | ||
588 | /* Note that this is mostly like | |
589 | * config_parse_address_family_boolean(), except that it | |
590 | * applies only to IPv4 */ | |
591 | ||
592 | if (parse_boolean(rvalue)) | |
593 | *link_local |= ADDRESS_FAMILY_IPV4; | |
594 | else | |
595 | *link_local &= ~ADDRESS_FAMILY_IPV4; | |
596 | ||
597 | return 0; | |
598 | } | |
599 | ||
bd8f6538 TG |
600 | int config_parse_dhcp( |
601 | const char* unit, | |
602 | const char *filename, | |
603 | unsigned line, | |
604 | const char *section, | |
605 | unsigned section_line, | |
606 | const char *lvalue, | |
607 | int ltype, | |
608 | const char *rvalue, | |
609 | void *data, | |
610 | void *userdata) { | |
611 | ||
cb9fc36a | 612 | AddressFamilyBoolean *dhcp = data, s; |
bd8f6538 TG |
613 | |
614 | assert(filename); | |
615 | assert(lvalue); | |
616 | assert(rvalue); | |
617 | assert(data); | |
618 | ||
769d324c LP |
619 | /* Note that this is mostly like |
620 | * config_parse_address_family_boolean(), except that it | |
621 | * understands some old names for the enum values */ | |
622 | ||
cb9fc36a LP |
623 | s = address_family_boolean_from_string(rvalue); |
624 | if (s < 0) { | |
625 | ||
626 | /* Previously, we had a slightly different enum here, | |
627 | * support its values for compatbility. */ | |
628 | ||
629 | if (streq(rvalue, "none")) | |
630 | s = ADDRESS_FAMILY_NO; | |
631 | else if (streq(rvalue, "v4")) | |
632 | s = ADDRESS_FAMILY_IPV4; | |
633 | else if (streq(rvalue, "v6")) | |
634 | s = ADDRESS_FAMILY_IPV6; | |
635 | else if (streq(rvalue, "both")) | |
636 | s = ADDRESS_FAMILY_YES; | |
637 | else { | |
12ca818f | 638 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DHCP option, ignoring: %s", rvalue); |
bd8f6538 TG |
639 | return 0; |
640 | } | |
bd8f6538 TG |
641 | } |
642 | ||
cb9fc36a | 643 | *dhcp = s; |
bd8f6538 TG |
644 | return 0; |
645 | } | |
646 | ||
3e43b2cd JJ |
647 | static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = { |
648 | [DHCP_CLIENT_ID_MAC] = "mac", | |
649 | [DHCP_CLIENT_ID_DUID] = "duid" | |
650 | }; | |
651 | ||
652 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DCHPClientIdentifier); | |
653 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DCHPClientIdentifier, "Failed to parse client identifier type"); | |
654 | ||
60c35566 | 655 | int config_parse_ipv6token( |
7f77697a TG |
656 | const char* unit, |
657 | const char *filename, | |
658 | unsigned line, | |
659 | const char *section, | |
660 | unsigned section_line, | |
661 | const char *lvalue, | |
662 | int ltype, | |
663 | const char *rvalue, | |
664 | void *data, | |
665 | void *userdata) { | |
666 | ||
667 | union in_addr_union buffer; | |
668 | struct in6_addr *token = data; | |
669 | int r; | |
670 | ||
671 | assert(filename); | |
672 | assert(lvalue); | |
673 | assert(rvalue); | |
674 | assert(token); | |
675 | ||
676 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
677 | if (r < 0) { | |
6a7a4e4d | 678 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
679 | return 0; |
680 | } | |
681 | ||
682 | r = in_addr_is_null(AF_INET6, &buffer); | |
12ca818f | 683 | if (r != 0) { |
6a7a4e4d | 684 | log_syntax(unit, LOG_ERR, filename, line, r, "IPv6 token can not be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
685 | return 0; |
686 | } | |
687 | ||
688 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
12ca818f | 689 | log_syntax(unit, LOG_ERR, filename, line, 0, "IPv6 token can not be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
690 | return 0; |
691 | } | |
692 | ||
693 | *token = buffer.in6; | |
694 | ||
695 | return 0; | |
696 | } | |
8add5f79 | 697 | |
49092e22 | 698 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
699 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
700 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
701 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
702 | }; |
703 | ||
704 | DEFINE_STRING_TABLE_LOOKUP(ipv6_privacy_extensions, IPv6PrivacyExtensions); | |
705 | ||
706 | int config_parse_ipv6_privacy_extensions( | |
707 | const char* unit, | |
708 | const char *filename, | |
709 | unsigned line, | |
710 | const char *section, | |
711 | unsigned section_line, | |
712 | const char *lvalue, | |
713 | int ltype, | |
714 | const char *rvalue, | |
715 | void *data, | |
716 | void *userdata) { | |
717 | ||
718 | IPv6PrivacyExtensions *ipv6_privacy_extensions = data; | |
719 | int k; | |
720 | ||
721 | assert(filename); | |
722 | assert(lvalue); | |
723 | assert(rvalue); | |
724 | assert(ipv6_privacy_extensions); | |
725 | ||
726 | /* Our enum shall be a superset of booleans, hence first try | |
727 | * to parse as boolean, and then as enum */ | |
728 | ||
729 | k = parse_boolean(rvalue); | |
730 | if (k > 0) | |
1f0d9695 | 731 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_YES; |
49092e22 | 732 | else if (k == 0) |
1f0d9695 | 733 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
49092e22 | 734 | else { |
1f0d9695 | 735 | IPv6PrivacyExtensions s; |
49092e22 SS |
736 | |
737 | s = ipv6_privacy_extensions_from_string(rvalue); | |
1f0d9695 LP |
738 | if (s < 0) { |
739 | ||
740 | if (streq(rvalue, "kernel")) | |
741 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
742 | else { | |
12ca818f | 743 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1f0d9695 LP |
744 | return 0; |
745 | } | |
49092e22 SS |
746 | } |
747 | ||
748 | *ipv6_privacy_extensions = s; | |
749 | } | |
750 | ||
751 | return 0; | |
752 | } | |
a7d0ef44 | 753 | |
1ac608c9 LP |
754 | int config_parse_hostname( |
755 | const char *unit, | |
756 | const char *filename, | |
757 | unsigned line, | |
758 | const char *section, | |
759 | unsigned section_line, | |
760 | const char *lvalue, | |
761 | int ltype, | |
762 | const char *rvalue, | |
763 | void *data, | |
764 | void *userdata) { | |
765 | ||
766 | char **hostname = data, *hn = NULL; | |
a7d0ef44 SS |
767 | int r; |
768 | ||
769 | assert(filename); | |
770 | assert(lvalue); | |
771 | assert(rvalue); | |
772 | ||
1ac608c9 | 773 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
774 | if (r < 0) |
775 | return r; | |
776 | ||
1ac608c9 | 777 | if (!hostname_is_valid(hn, false)) { |
12ca818f | 778 | log_syntax(unit, LOG_ERR, filename, line, 0, "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
779 | free(hn); |
780 | return 0; | |
781 | } | |
782 | ||
1ac608c9 | 783 | free(*hostname); |
ae691c1d | 784 | *hostname = hostname_cleanup(hn); |
a7d0ef44 SS |
785 | return 0; |
786 | } | |
8eb9058d LP |
787 | |
788 | int config_parse_timezone( | |
789 | const char *unit, | |
790 | const char *filename, | |
791 | unsigned line, | |
792 | const char *section, | |
793 | unsigned section_line, | |
794 | const char *lvalue, | |
795 | int ltype, | |
796 | const char *rvalue, | |
797 | void *data, | |
798 | void *userdata) { | |
799 | ||
64d6c229 | 800 | char **datap = data, *tz = NULL; |
8eb9058d LP |
801 | int r; |
802 | ||
803 | assert(filename); | |
804 | assert(lvalue); | |
805 | assert(rvalue); | |
806 | ||
807 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
808 | if (r < 0) | |
809 | return r; | |
810 | ||
811 | if (!timezone_is_valid(tz)) { | |
12ca818f | 812 | log_syntax(unit, LOG_ERR, filename, line, 0, "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
813 | free(tz); |
814 | return 0; | |
815 | } | |
816 | ||
64d6c229 TA |
817 | free(*datap); |
818 | *datap = tz; | |
8eb9058d LP |
819 | |
820 | return 0; | |
821 | } | |
1a04db0f LP |
822 | |
823 | int config_parse_dhcp_server_dns( | |
824 | const char *unit, | |
825 | const char *filename, | |
826 | unsigned line, | |
827 | const char *section, | |
828 | unsigned section_line, | |
829 | const char *lvalue, | |
830 | int ltype, | |
831 | const char *rvalue, | |
832 | void *data, | |
833 | void *userdata) { | |
834 | ||
835 | Network *n = data; | |
836 | const char *p = rvalue; | |
837 | int r; | |
838 | ||
839 | assert(filename); | |
840 | assert(lvalue); | |
841 | assert(rvalue); | |
842 | ||
843 | for (;;) { | |
844 | _cleanup_free_ char *w = NULL; | |
845 | struct in_addr a, *m; | |
846 | ||
847 | r = extract_first_word(&p, &w, NULL, 0); | |
848 | if (r < 0) { | |
849 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
850 | return 0; | |
851 | } | |
852 | ||
853 | if (r == 0) | |
854 | return 0; | |
855 | ||
856 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 857 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); |
1a04db0f LP |
858 | continue; |
859 | } | |
860 | ||
861 | m = realloc(n->dhcp_server_dns, (n->n_dhcp_server_dns + 1) * sizeof(struct in_addr)); | |
862 | if (!m) | |
863 | return log_oom(); | |
864 | ||
865 | m[n->n_dhcp_server_dns++] = a; | |
866 | n->dhcp_server_dns = m; | |
867 | } | |
868 | } | |
869 | ||
870 | int config_parse_dhcp_server_ntp( | |
871 | const char *unit, | |
872 | const char *filename, | |
873 | unsigned line, | |
874 | const char *section, | |
875 | unsigned section_line, | |
876 | const char *lvalue, | |
877 | int ltype, | |
878 | const char *rvalue, | |
879 | void *data, | |
880 | void *userdata) { | |
881 | ||
882 | Network *n = data; | |
883 | const char *p = rvalue; | |
884 | int r; | |
885 | ||
886 | assert(filename); | |
887 | assert(lvalue); | |
888 | assert(rvalue); | |
889 | ||
890 | for (;;) { | |
891 | _cleanup_free_ char *w = NULL; | |
892 | struct in_addr a, *m; | |
893 | ||
894 | r = extract_first_word(&p, &w, NULL, 0); | |
895 | if (r < 0) { | |
12ca818f | 896 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); |
1a04db0f LP |
897 | return 0; |
898 | } | |
899 | ||
900 | if (r == 0) | |
901 | return 0; | |
902 | ||
903 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 904 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse NTP server address, ignoring: %s", w); |
1a04db0f LP |
905 | continue; |
906 | } | |
907 | ||
908 | m = realloc(n->dhcp_server_ntp, (n->n_dhcp_server_ntp + 1) * sizeof(struct in_addr)); | |
909 | if (!m) | |
910 | return log_oom(); | |
911 | ||
912 | m[n->n_dhcp_server_ntp++] = a; | |
913 | n->dhcp_server_ntp = m; | |
914 | } | |
915 | } | |
8a516214 LP |
916 | |
917 | int config_parse_dnssec_negative_trust_anchors( | |
918 | const char *unit, | |
919 | const char *filename, | |
920 | unsigned line, | |
921 | const char *section, | |
922 | unsigned section_line, | |
923 | const char *lvalue, | |
924 | int ltype, | |
925 | const char *rvalue, | |
926 | void *data, | |
927 | void *userdata) { | |
928 | ||
929 | const char *p = rvalue; | |
930 | Network *n = data; | |
931 | int r; | |
932 | ||
933 | assert(filename); | |
934 | assert(lvalue); | |
935 | assert(rvalue); | |
936 | ||
937 | if (isempty(rvalue)) { | |
938 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
939 | return 0; | |
940 | } | |
941 | ||
942 | for (;;) { | |
943 | _cleanup_free_ char *w = NULL; | |
944 | ||
945 | r = extract_first_word(&p, &w, NULL, 0); | |
946 | if (r < 0) { | |
947 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); | |
948 | break; | |
949 | } | |
950 | if (r == 0) | |
951 | break; | |
952 | ||
953 | r = dns_name_is_valid(w); | |
954 | if (r <= 0) { | |
955 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name, ignoring.", w); | |
956 | continue; | |
957 | } | |
958 | ||
959 | r = set_put(n->dnssec_negative_trust_anchors, w); | |
960 | if (r < 0) | |
961 | return log_oom(); | |
962 | if (r > 0) | |
963 | w = NULL; | |
964 | } | |
965 | ||
966 | return 0; | |
967 | } |