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f579559b TG |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
69a93e7d | 20 | #include <ctype.h> |
987efa17 | 21 | #include <net/if.h> |
69a93e7d | 22 | |
b5efdb8a | 23 | #include "alloc-util.h" |
f579559b TG |
24 | #include "conf-files.h" |
25 | #include "conf-parser.h" | |
37de2509 | 26 | #include "dns-domain.h" |
3ffd4af2 | 27 | #include "fd-util.h" |
07630cea | 28 | #include "hostname-util.h" |
fc2f9534 | 29 | #include "network-internal.h" |
3ffd4af2 | 30 | #include "networkd-network.h" |
fc2f9534 | 31 | #include "networkd.h" |
6bedfcbb | 32 | #include "parse-util.h" |
8a516214 | 33 | #include "set.h" |
8fcde012 | 34 | #include "stat-util.h" |
8b43440b | 35 | #include "string-table.h" |
07630cea LP |
36 | #include "string-util.h" |
37 | #include "util.h" | |
f579559b TG |
38 | |
39 | static int network_load_one(Manager *manager, const char *filename) { | |
40 | _cleanup_network_free_ Network *network = NULL; | |
41 | _cleanup_fclose_ FILE *file = NULL; | |
dbffab87 | 42 | char *d; |
b3070dc0 TG |
43 | Route *route; |
44 | Address *address; | |
f579559b TG |
45 | int r; |
46 | ||
bf1bc670 TA |
47 | assert(manager); |
48 | assert(filename); | |
49 | ||
f579559b TG |
50 | file = fopen(filename, "re"); |
51 | if (!file) { | |
52 | if (errno == ENOENT) | |
53 | return 0; | |
1e7a0e21 LP |
54 | |
55 | return -errno; | |
f579559b TG |
56 | } |
57 | ||
ed88bcfb ZJS |
58 | if (null_or_empty_fd(fileno(file))) { |
59 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
60 | return 0; |
61 | } | |
62 | ||
f579559b TG |
63 | network = new0(Network, 1); |
64 | if (!network) | |
65 | return log_oom(); | |
66 | ||
5a3eb5a7 TG |
67 | network->manager = manager; |
68 | ||
f048a16b TG |
69 | LIST_HEAD_INIT(network->static_addresses); |
70 | LIST_HEAD_INIT(network->static_routes); | |
b98b483b | 71 | LIST_HEAD_INIT(network->static_fdb_entries); |
f579559b | 72 | |
d5099efc | 73 | network->stacked_netdevs = hashmap_new(&string_hash_ops); |
6a0a2f86 | 74 | if (!network->stacked_netdevs) |
326cb406 SS |
75 | return log_oom(); |
76 | ||
d5099efc | 77 | network->addresses_by_section = hashmap_new(NULL); |
6ae115c1 TG |
78 | if (!network->addresses_by_section) |
79 | return log_oom(); | |
80 | ||
d5099efc | 81 | network->routes_by_section = hashmap_new(NULL); |
6ae115c1 TG |
82 | if (!network->routes_by_section) |
83 | return log_oom(); | |
84 | ||
b98b483b AR |
85 | network->fdb_entries_by_section = hashmap_new(NULL); |
86 | if (!network->fdb_entries_by_section) | |
87 | return log_oom(); | |
88 | ||
6ae115c1 TG |
89 | network->filename = strdup(filename); |
90 | if (!network->filename) | |
91 | return log_oom(); | |
92 | ||
dbffab87 TG |
93 | network->name = strdup(basename(filename)); |
94 | if (!network->name) | |
95 | return log_oom(); | |
96 | ||
97 | d = strrchr(network->name, '.'); | |
98 | if (!d) | |
99 | return -EINVAL; | |
100 | ||
101 | assert(streq(d, ".network")); | |
102 | ||
103 | *d = '\0'; | |
104 | ||
cb9fc36a | 105 | network->dhcp = ADDRESS_FAMILY_NO; |
27cb34f5 LP |
106 | network->dhcp_use_ntp = true; |
107 | network->dhcp_use_dns = true; | |
108 | network->dhcp_use_hostname = true; | |
109 | network->dhcp_use_routes = true; | |
110 | network->dhcp_send_hostname = true; | |
84b5b79a | 111 | network->dhcp_route_metric = DHCP_ROUTE_METRIC; |
3e43b2cd | 112 | network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID; |
5be4d38e | 113 | |
539f2a73 LP |
114 | network->dhcp_server_emit_dns = true; |
115 | network->dhcp_server_emit_ntp = true; | |
77ff6022 | 116 | network->dhcp_server_emit_router = true; |
539f2a73 LP |
117 | network->dhcp_server_emit_timezone = true; |
118 | ||
84c34096 | 119 | network->use_bpdu = true; |
23da66bb | 120 | network->allow_port_to_be_root = true; |
072f9e4a | 121 | network->unicast_flood = true; |
84c34096 | 122 | |
7cececb2 LP |
123 | network->lldp_mode = LLDP_MODE_ROUTERS_ONLY; |
124 | ||
a7e5da6e | 125 | network->llmnr = RESOLVE_SUPPORT_YES; |
aaa297d4 | 126 | network->mdns = RESOLVE_SUPPORT_NO; |
ad6c0475 | 127 | network->dnssec_mode = _DNSSEC_MODE_INVALID; |
bd8f6538 | 128 | |
d0d6a4cd TG |
129 | network->link_local = ADDRESS_FAMILY_IPV6; |
130 | ||
1f0d9695 | 131 | network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
4f2e437a | 132 | network->ipv6_accept_ra = -1; |
8749cbcd | 133 | network->ipv6_dad_transmits = -1; |
b69c3180 | 134 | network->ipv6_hop_limit = -1; |
8341a5c3 | 135 | network->duid.type = _DUID_TYPE_INVALID; |
23d8b221 | 136 | network->proxy_arp = -1; |
99d2baa2 | 137 | network->arp = -1; |
1e7a0e21 | 138 | network->ipv6_accept_ra_use_dns = true; |
49092e22 | 139 | |
e9f3d2d5 | 140 | r = config_parse(NULL, filename, file, |
c106cc36 TG |
141 | "Match\0" |
142 | "Link\0" | |
143 | "Network\0" | |
144 | "Address\0" | |
145 | "Route\0" | |
146 | "DHCP\0" | |
8eb9058d LP |
147 | "DHCPv4\0" /* compat */ |
148 | "DHCPServer\0" | |
f921f573 | 149 | "IPv6AcceptRA\0" |
b98b483b | 150 | "Bridge\0" |
13b498f9 TJ |
151 | "BridgeFDB\0" |
152 | "BridgeVLAN\0", | |
e9f3d2d5 | 153 | config_item_perf_lookup, network_network_gperf_lookup, |
36f822c4 ZJS |
154 | false, false, true, network); |
155 | if (r < 0) | |
f579559b | 156 | return r; |
f579559b | 157 | |
5a8bcb67 LP |
158 | /* IPMasquerade=yes implies IPForward=yes */ |
159 | if (network->ip_masquerade) | |
769d324c | 160 | network->ip_forward |= ADDRESS_FAMILY_IPV4; |
5a8bcb67 | 161 | |
f579559b | 162 | LIST_PREPEND(networks, manager->networks, network); |
b3070dc0 | 163 | |
dbffab87 TG |
164 | r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops); |
165 | if (r < 0) | |
166 | return r; | |
167 | ||
168 | r = hashmap_put(manager->networks_by_name, network->name, network); | |
169 | if (r < 0) | |
170 | return r; | |
171 | ||
3d3d4255 | 172 | LIST_FOREACH(routes, route, network->static_routes) { |
b3070dc0 TG |
173 | if (!route->family) { |
174 | log_warning("Route section without Gateway field configured in %s. " | |
175 | "Ignoring", filename); | |
176 | return 0; | |
177 | } | |
b3070dc0 TG |
178 | } |
179 | ||
3d3d4255 | 180 | LIST_FOREACH(addresses, address, network->static_addresses) { |
b3070dc0 TG |
181 | if (!address->family) { |
182 | log_warning("Address section without Address field configured in %s. " | |
183 | "Ignoring", filename); | |
184 | return 0; | |
185 | } | |
186 | } | |
187 | ||
f579559b TG |
188 | network = NULL; |
189 | ||
190 | return 0; | |
191 | } | |
192 | ||
193 | int network_load(Manager *manager) { | |
194 | Network *network; | |
477e73b5 ZJS |
195 | _cleanup_strv_free_ char **files = NULL; |
196 | char **f; | |
f579559b TG |
197 | int r; |
198 | ||
199 | assert(manager); | |
200 | ||
201 | while ((network = manager->networks)) | |
202 | network_free(network); | |
203 | ||
2ad8416d | 204 | r = conf_files_list_strv(&files, ".network", NULL, network_dirs); |
f647962d MS |
205 | if (r < 0) |
206 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b TG |
207 | |
208 | STRV_FOREACH_BACKWARDS(f, files) { | |
209 | r = network_load_one(manager, *f); | |
210 | if (r < 0) | |
211 | return r; | |
212 | } | |
213 | ||
f579559b TG |
214 | return 0; |
215 | } | |
216 | ||
f579559b | 217 | void network_free(Network *network) { |
47e2dc31 | 218 | NetDev *netdev; |
f579559b TG |
219 | Route *route; |
220 | Address *address; | |
b98b483b | 221 | FdbEntry *fdb_entry; |
06f021a8 | 222 | Iterator i; |
f579559b TG |
223 | |
224 | if (!network) | |
225 | return; | |
226 | ||
227 | free(network->filename); | |
228 | ||
229 | free(network->match_mac); | |
5256e00e TG |
230 | strv_free(network->match_path); |
231 | strv_free(network->match_driver); | |
232 | strv_free(network->match_type); | |
233 | strv_free(network->match_name); | |
f579559b TG |
234 | |
235 | free(network->description); | |
edb85f0d | 236 | free(network->dhcp_vendor_class_identifier); |
27cb34f5 | 237 | free(network->dhcp_hostname); |
f579559b | 238 | |
c106cc36 TG |
239 | free(network->mac); |
240 | ||
b0e39c82 TG |
241 | strv_free(network->ntp); |
242 | strv_free(network->dns); | |
3df9bec5 LP |
243 | strv_free(network->search_domains); |
244 | strv_free(network->route_domains); | |
0d4ad91d | 245 | strv_free(network->bind_carrier); |
3bef724f | 246 | |
47e2dc31 | 247 | netdev_unref(network->bridge); |
47e2dc31 | 248 | netdev_unref(network->bond); |
6cb955c6 | 249 | netdev_unref(network->vrf); |
47e2dc31 | 250 | |
2c36be2f TG |
251 | HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) { |
252 | hashmap_remove(network->stacked_netdevs, netdev->ifname); | |
326cb406 | 253 | netdev_unref(netdev); |
2c36be2f | 254 | } |
6a0a2f86 | 255 | hashmap_free(network->stacked_netdevs); |
326cb406 | 256 | |
f048a16b | 257 | while ((route = network->static_routes)) |
f579559b TG |
258 | route_free(route); |
259 | ||
f048a16b | 260 | while ((address = network->static_addresses)) |
f579559b TG |
261 | address_free(address); |
262 | ||
b98b483b AR |
263 | while ((fdb_entry = network->static_fdb_entries)) |
264 | fdb_entry_free(fdb_entry); | |
265 | ||
6ae115c1 TG |
266 | hashmap_free(network->addresses_by_section); |
267 | hashmap_free(network->routes_by_section); | |
b98b483b | 268 | hashmap_free(network->fdb_entries_by_section); |
6ae115c1 | 269 | |
dbffab87 TG |
270 | if (network->manager) { |
271 | if (network->manager->networks) | |
272 | LIST_REMOVE(networks, network->manager->networks, network); | |
273 | ||
274 | if (network->manager->networks_by_name) | |
275 | hashmap_remove(network->manager->networks_by_name, network->name); | |
276 | } | |
277 | ||
278 | free(network->name); | |
f579559b | 279 | |
79e16ce3 LP |
280 | condition_free_list(network->match_host); |
281 | condition_free_list(network->match_virt); | |
282 | condition_free_list(network->match_kernel); | |
283 | condition_free_list(network->match_arch); | |
284 | ||
8eb9058d | 285 | free(network->dhcp_server_timezone); |
1a04db0f LP |
286 | free(network->dhcp_server_dns); |
287 | free(network->dhcp_server_ntp); | |
8eb9058d | 288 | |
8a516214 LP |
289 | set_free_free(network->dnssec_negative_trust_anchors); |
290 | ||
f579559b TG |
291 | free(network); |
292 | } | |
293 | ||
dbffab87 TG |
294 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
295 | Network *network; | |
296 | ||
297 | assert(manager); | |
298 | assert(name); | |
299 | assert(ret); | |
300 | ||
301 | network = hashmap_get(manager->networks_by_name, name); | |
302 | if (!network) | |
303 | return -ENOENT; | |
304 | ||
305 | *ret = network; | |
306 | ||
307 | return 0; | |
308 | } | |
309 | ||
505f8da7 TG |
310 | int network_get(Manager *manager, struct udev_device *device, |
311 | const char *ifname, const struct ether_addr *address, | |
312 | Network **ret) { | |
f579559b | 313 | Network *network; |
af3aa302 | 314 | struct udev_device *parent; |
24c083df | 315 | const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL; |
f579559b TG |
316 | |
317 | assert(manager); | |
f579559b | 318 | assert(ret); |
af3aa302 | 319 | |
24c083df TG |
320 | if (device) { |
321 | path = udev_device_get_property_value(device, "ID_PATH"); | |
af3aa302 | 322 | |
24c083df TG |
323 | parent = udev_device_get_parent(device); |
324 | if (parent) | |
325 | parent_driver = udev_device_get_driver(parent); | |
af3aa302 | 326 | |
24c083df | 327 | driver = udev_device_get_property_value(device, "ID_NET_DRIVER"); |
af3aa302 | 328 | |
24c083df TG |
329 | devtype = udev_device_get_devtype(device); |
330 | } | |
f579559b | 331 | |
f579559b TG |
332 | LIST_FOREACH(networks, network, manager->networks) { |
333 | if (net_match_config(network->match_mac, network->match_path, | |
505f8da7 TG |
334 | network->match_driver, network->match_type, |
335 | network->match_name, network->match_host, | |
336 | network->match_virt, network->match_kernel, | |
337 | network->match_arch, | |
af3aa302 TG |
338 | address, path, parent_driver, driver, |
339 | devtype, ifname)) { | |
24c083df | 340 | if (network->match_name && device) { |
ca6038b8 TG |
341 | const char *attr; |
342 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
343 | ||
32bc8adc | 344 | attr = udev_device_get_sysattr_value(device, "name_assign_type"); |
285760fe | 345 | if (attr) |
dc751688 | 346 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
347 | |
348 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
349 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
350 | ifname, network->filename); | |
32bc8adc | 351 | else |
a2fae7bb | 352 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 353 | } else |
a2fae7bb | 354 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 355 | |
f579559b TG |
356 | *ret = network; |
357 | return 0; | |
358 | } | |
359 | } | |
360 | ||
361 | *ret = NULL; | |
362 | ||
363 | return -ENOENT; | |
364 | } | |
365 | ||
366 | int network_apply(Manager *manager, Network *network, Link *link) { | |
f579559b TG |
367 | int r; |
368 | ||
c4a03a56 TG |
369 | assert(manager); |
370 | assert(network); | |
371 | assert(link); | |
372 | ||
f579559b TG |
373 | link->network = network; |
374 | ||
bfa695b5 TG |
375 | if (network->ipv4ll_route) { |
376 | Route *route; | |
377 | ||
378 | r = route_new_static(network, 0, &route); | |
379 | if (r < 0) | |
380 | return r; | |
381 | ||
2ce40956 | 382 | r = inet_pton(AF_INET, "169.254.0.0", &route->dst.in); |
bfa695b5 TG |
383 | if (r == 0) |
384 | return -EINVAL; | |
385 | if (r < 0) | |
386 | return -errno; | |
387 | ||
388 | route->family = AF_INET; | |
389 | route->dst_prefixlen = 16; | |
390 | route->scope = RT_SCOPE_LINK; | |
86655331 | 391 | route->priority = IPV4LL_ROUTE_METRIC; |
bfa695b5 TG |
392 | route->protocol = RTPROT_STATIC; |
393 | } | |
394 | ||
3df9bec5 LP |
395 | if (!strv_isempty(network->dns) || |
396 | !strv_isempty(network->ntp) || | |
397 | !strv_isempty(network->search_domains) || | |
398 | !strv_isempty(network->route_domains)) { | |
84de38c5 TG |
399 | manager_dirty(manager); |
400 | link_dirty(link); | |
3bef724f TG |
401 | } |
402 | ||
f579559b TG |
403 | return 0; |
404 | } | |
02b59d57 | 405 | |
439689c6 SS |
406 | bool network_has_static_ipv6_addresses(Network *network) { |
407 | Address *address; | |
408 | ||
409 | assert(network); | |
410 | ||
411 | LIST_FOREACH(addresses, address, network->static_addresses) { | |
412 | if (address->family == AF_INET6) | |
413 | return true; | |
414 | } | |
415 | ||
416 | return false; | |
417 | } | |
418 | ||
69a93e7d | 419 | int config_parse_netdev(const char *unit, |
02b59d57 TG |
420 | const char *filename, |
421 | unsigned line, | |
422 | const char *section, | |
423 | unsigned section_line, | |
424 | const char *lvalue, | |
425 | int ltype, | |
426 | const char *rvalue, | |
427 | void *data, | |
428 | void *userdata) { | |
429 | Network *network = userdata; | |
31d0ac36 TG |
430 | _cleanup_free_ char *kind_string = NULL; |
431 | char *p; | |
1a436809 | 432 | NetDev *netdev; |
69a93e7d | 433 | NetDevKind kind; |
02b59d57 TG |
434 | int r; |
435 | ||
436 | assert(filename); | |
437 | assert(lvalue); | |
438 | assert(rvalue); | |
439 | assert(data); | |
440 | ||
69a93e7d TG |
441 | kind_string = strdup(lvalue); |
442 | if (!kind_string) | |
443 | return log_oom(); | |
52433f6b | 444 | |
69a93e7d TG |
445 | /* the keys are CamelCase versions of the kind */ |
446 | for (p = kind_string; *p; p++) | |
447 | *p = tolower(*p); | |
52433f6b | 448 | |
69a93e7d TG |
449 | kind = netdev_kind_from_string(kind_string); |
450 | if (kind == _NETDEV_KIND_INVALID) { | |
12ca818f | 451 | log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid NetDev kind: %s", lvalue); |
52433f6b TG |
452 | return 0; |
453 | } | |
454 | ||
54abf461 TG |
455 | r = netdev_get(network->manager, rvalue, &netdev); |
456 | if (r < 0) { | |
12ca818f | 457 | log_syntax(unit, LOG_ERR, filename, line, r, "%s could not be found, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
458 | return 0; |
459 | } | |
460 | ||
69a93e7d | 461 | if (netdev->kind != kind) { |
12ca818f | 462 | log_syntax(unit, LOG_ERR, filename, line, 0, "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
463 | return 0; |
464 | } | |
465 | ||
69a93e7d TG |
466 | switch (kind) { |
467 | case NETDEV_KIND_BRIDGE: | |
468 | network->bridge = netdev; | |
54abf461 | 469 | |
69a93e7d TG |
470 | break; |
471 | case NETDEV_KIND_BOND: | |
472 | network->bond = netdev; | |
fe6b2d55 | 473 | |
6cb955c6 AR |
474 | break; |
475 | case NETDEV_KIND_VRF: | |
476 | network->vrf = netdev; | |
477 | ||
69a93e7d TG |
478 | break; |
479 | case NETDEV_KIND_VLAN: | |
69a93e7d | 480 | case NETDEV_KIND_MACVLAN: |
f33ff02b | 481 | case NETDEV_KIND_MACVTAP: |
c4a5ddc9 | 482 | case NETDEV_KIND_IPVLAN: |
326cb406 | 483 | case NETDEV_KIND_VXLAN: |
6a0a2f86 | 484 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
326cb406 | 485 | if (r < 0) { |
12ca818f | 486 | log_syntax(unit, LOG_ERR, filename, line, r, "Can not add VLAN '%s' to network: %m", rvalue); |
326cb406 SS |
487 | return 0; |
488 | } | |
489 | ||
69a93e7d TG |
490 | break; |
491 | default: | |
492 | assert_not_reached("Can not parse NetDev"); | |
fe6b2d55 TG |
493 | } |
494 | ||
47e2dc31 TG |
495 | netdev_ref(netdev); |
496 | ||
fe6b2d55 TG |
497 | return 0; |
498 | } | |
7951dea2 | 499 | |
3df9bec5 LP |
500 | int config_parse_domains( |
501 | const char *unit, | |
502 | const char *filename, | |
503 | unsigned line, | |
504 | const char *section, | |
505 | unsigned section_line, | |
506 | const char *lvalue, | |
507 | int ltype, | |
508 | const char *rvalue, | |
509 | void *data, | |
510 | void *userdata) { | |
511 | ||
512 | const char *p; | |
513 | Network *n = data; | |
6192b846 TG |
514 | int r; |
515 | ||
3df9bec5 LP |
516 | assert(n); |
517 | assert(lvalue); | |
518 | assert(rvalue); | |
6192b846 | 519 | |
3df9bec5 LP |
520 | if (isempty(rvalue)) { |
521 | n->search_domains = strv_free(n->search_domains); | |
522 | n->route_domains = strv_free(n->route_domains); | |
523 | return 0; | |
524 | } | |
67272d15 | 525 | |
3df9bec5 LP |
526 | p = rvalue; |
527 | for (;;) { | |
528 | _cleanup_free_ char *w = NULL, *normalized = NULL; | |
529 | const char *domain; | |
530 | bool is_route; | |
531 | ||
532 | r = extract_first_word(&p, &w, NULL, 0); | |
533 | if (r < 0) { | |
534 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract search or route domain, ignoring: %s", rvalue); | |
535 | break; | |
536 | } | |
537 | if (r == 0) | |
538 | break; | |
539 | ||
540 | is_route = w[0] == '~'; | |
541 | domain = is_route ? w + 1 : w; | |
542 | ||
543 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
544 | /* If the root domain appears as is, or the special token "*" is found, we'll consider this as | |
545 | * routing domain, unconditionally. */ | |
546 | is_route = true; | |
547 | domain = "."; /* make sure we don't allow empty strings, thus write the root domain as "." */ | |
548 | ||
549 | } else { | |
550 | r = dns_name_normalize(domain, &normalized); | |
551 | if (r < 0) { | |
552 | log_syntax(unit, LOG_ERR, filename, line, r, "'%s' is not a valid domain name, ignoring.", domain); | |
553 | continue; | |
554 | } | |
555 | ||
556 | domain = normalized; | |
557 | ||
558 | if (is_localhost(domain)) { | |
559 | 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 | 560 | continue; |
3df9bec5 | 561 | } |
37de2509 | 562 | } |
40274ed6 | 563 | |
3df9bec5 LP |
564 | if (is_route) { |
565 | r = strv_extend(&n->route_domains, domain); | |
566 | if (r < 0) | |
567 | return log_oom(); | |
40274ed6 | 568 | |
3df9bec5 LP |
569 | } else { |
570 | r = strv_extend(&n->search_domains, domain); | |
571 | if (r < 0) | |
572 | return log_oom(); | |
573 | } | |
40274ed6 | 574 | } |
f15b6e5a | 575 | |
3df9bec5 LP |
576 | strv_uniq(n->route_domains); |
577 | strv_uniq(n->search_domains); | |
578 | ||
6192b846 TG |
579 | return 0; |
580 | } | |
581 | ||
7951dea2 SS |
582 | int config_parse_tunnel(const char *unit, |
583 | const char *filename, | |
584 | unsigned line, | |
585 | const char *section, | |
586 | unsigned section_line, | |
587 | const char *lvalue, | |
588 | int ltype, | |
589 | const char *rvalue, | |
590 | void *data, | |
591 | void *userdata) { | |
592 | Network *network = userdata; | |
593 | NetDev *netdev; | |
594 | int r; | |
595 | ||
596 | assert(filename); | |
597 | assert(lvalue); | |
598 | assert(rvalue); | |
599 | assert(data); | |
600 | ||
601 | r = netdev_get(network->manager, rvalue, &netdev); | |
602 | if (r < 0) { | |
6a7a4e4d | 603 | log_syntax(unit, LOG_ERR, filename, line, r, "Tunnel is invalid, ignoring assignment: %s", rvalue); |
7951dea2 SS |
604 | return 0; |
605 | } | |
606 | ||
607 | if (netdev->kind != NETDEV_KIND_IPIP && | |
608 | netdev->kind != NETDEV_KIND_SIT && | |
a613382b | 609 | netdev->kind != NETDEV_KIND_GRE && |
1af2536a | 610 | netdev->kind != NETDEV_KIND_GRETAP && |
b16492f8 SS |
611 | netdev->kind != NETDEV_KIND_IP6GRE && |
612 | netdev->kind != NETDEV_KIND_IP6GRETAP && | |
855ee1a1 | 613 | netdev->kind != NETDEV_KIND_VTI && |
9011ce77 | 614 | netdev->kind != NETDEV_KIND_VTI6 && |
855ee1a1 SS |
615 | netdev->kind != NETDEV_KIND_IP6TNL |
616 | ) { | |
12ca818f | 617 | log_syntax(unit, LOG_ERR, filename, line, 0, |
7951dea2 SS |
618 | "NetDev is not a tunnel, ignoring assignment: %s", rvalue); |
619 | return 0; | |
620 | } | |
621 | ||
6a0a2f86 TG |
622 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); |
623 | if (r < 0) { | |
6a7a4e4d | 624 | log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue); |
6a0a2f86 TG |
625 | return 0; |
626 | } | |
627 | ||
628 | netdev_ref(netdev); | |
7951dea2 SS |
629 | |
630 | return 0; | |
631 | } | |
bd8f6538 | 632 | |
d0d6a4cd TG |
633 | int config_parse_ipv4ll( |
634 | const char* unit, | |
635 | const char *filename, | |
636 | unsigned line, | |
637 | const char *section, | |
638 | unsigned section_line, | |
639 | const char *lvalue, | |
640 | int ltype, | |
641 | const char *rvalue, | |
642 | void *data, | |
643 | void *userdata) { | |
644 | ||
645 | AddressFamilyBoolean *link_local = data; | |
646 | ||
647 | assert(filename); | |
648 | assert(lvalue); | |
649 | assert(rvalue); | |
650 | assert(data); | |
651 | ||
652 | /* Note that this is mostly like | |
653 | * config_parse_address_family_boolean(), except that it | |
654 | * applies only to IPv4 */ | |
655 | ||
5883ff60 | 656 | SET_FLAG(*link_local, ADDRESS_FAMILY_IPV4, parse_boolean(rvalue)); |
d0d6a4cd TG |
657 | |
658 | return 0; | |
659 | } | |
660 | ||
bd8f6538 TG |
661 | int config_parse_dhcp( |
662 | const char* unit, | |
663 | const char *filename, | |
664 | unsigned line, | |
665 | const char *section, | |
666 | unsigned section_line, | |
667 | const char *lvalue, | |
668 | int ltype, | |
669 | const char *rvalue, | |
670 | void *data, | |
671 | void *userdata) { | |
672 | ||
cb9fc36a | 673 | AddressFamilyBoolean *dhcp = data, s; |
bd8f6538 TG |
674 | |
675 | assert(filename); | |
676 | assert(lvalue); | |
677 | assert(rvalue); | |
678 | assert(data); | |
679 | ||
769d324c LP |
680 | /* Note that this is mostly like |
681 | * config_parse_address_family_boolean(), except that it | |
682 | * understands some old names for the enum values */ | |
683 | ||
cb9fc36a LP |
684 | s = address_family_boolean_from_string(rvalue); |
685 | if (s < 0) { | |
686 | ||
687 | /* Previously, we had a slightly different enum here, | |
688 | * support its values for compatbility. */ | |
689 | ||
690 | if (streq(rvalue, "none")) | |
691 | s = ADDRESS_FAMILY_NO; | |
692 | else if (streq(rvalue, "v4")) | |
693 | s = ADDRESS_FAMILY_IPV4; | |
694 | else if (streq(rvalue, "v6")) | |
695 | s = ADDRESS_FAMILY_IPV6; | |
696 | else if (streq(rvalue, "both")) | |
697 | s = ADDRESS_FAMILY_YES; | |
698 | else { | |
12ca818f | 699 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DHCP option, ignoring: %s", rvalue); |
bd8f6538 TG |
700 | return 0; |
701 | } | |
bd8f6538 TG |
702 | } |
703 | ||
cb9fc36a | 704 | *dhcp = s; |
bd8f6538 TG |
705 | return 0; |
706 | } | |
707 | ||
3e43b2cd JJ |
708 | static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = { |
709 | [DHCP_CLIENT_ID_MAC] = "mac", | |
710 | [DHCP_CLIENT_ID_DUID] = "duid" | |
711 | }; | |
712 | ||
713 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DCHPClientIdentifier); | |
714 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DCHPClientIdentifier, "Failed to parse client identifier type"); | |
715 | ||
60c35566 | 716 | int config_parse_ipv6token( |
7f77697a TG |
717 | const char* unit, |
718 | const char *filename, | |
719 | unsigned line, | |
720 | const char *section, | |
721 | unsigned section_line, | |
722 | const char *lvalue, | |
723 | int ltype, | |
724 | const char *rvalue, | |
725 | void *data, | |
726 | void *userdata) { | |
727 | ||
728 | union in_addr_union buffer; | |
729 | struct in6_addr *token = data; | |
730 | int r; | |
731 | ||
732 | assert(filename); | |
733 | assert(lvalue); | |
734 | assert(rvalue); | |
735 | assert(token); | |
736 | ||
737 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
738 | if (r < 0) { | |
6a7a4e4d | 739 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
740 | return 0; |
741 | } | |
742 | ||
743 | r = in_addr_is_null(AF_INET6, &buffer); | |
12ca818f | 744 | if (r != 0) { |
6a7a4e4d | 745 | log_syntax(unit, LOG_ERR, filename, line, r, "IPv6 token can not be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
746 | return 0; |
747 | } | |
748 | ||
749 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
12ca818f | 750 | log_syntax(unit, LOG_ERR, filename, line, 0, "IPv6 token can not be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
751 | return 0; |
752 | } | |
753 | ||
754 | *token = buffer.in6; | |
755 | ||
756 | return 0; | |
757 | } | |
8add5f79 | 758 | |
49092e22 | 759 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
760 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
761 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
762 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
763 | }; |
764 | ||
765 | DEFINE_STRING_TABLE_LOOKUP(ipv6_privacy_extensions, IPv6PrivacyExtensions); | |
766 | ||
767 | int config_parse_ipv6_privacy_extensions( | |
768 | const char* unit, | |
769 | const char *filename, | |
770 | unsigned line, | |
771 | const char *section, | |
772 | unsigned section_line, | |
773 | const char *lvalue, | |
774 | int ltype, | |
775 | const char *rvalue, | |
776 | void *data, | |
777 | void *userdata) { | |
778 | ||
779 | IPv6PrivacyExtensions *ipv6_privacy_extensions = data; | |
780 | int k; | |
781 | ||
782 | assert(filename); | |
783 | assert(lvalue); | |
784 | assert(rvalue); | |
785 | assert(ipv6_privacy_extensions); | |
786 | ||
787 | /* Our enum shall be a superset of booleans, hence first try | |
788 | * to parse as boolean, and then as enum */ | |
789 | ||
790 | k = parse_boolean(rvalue); | |
791 | if (k > 0) | |
1f0d9695 | 792 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_YES; |
49092e22 | 793 | else if (k == 0) |
1f0d9695 | 794 | *ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO; |
49092e22 | 795 | else { |
1f0d9695 | 796 | IPv6PrivacyExtensions s; |
49092e22 SS |
797 | |
798 | s = ipv6_privacy_extensions_from_string(rvalue); | |
1f0d9695 LP |
799 | if (s < 0) { |
800 | ||
801 | if (streq(rvalue, "kernel")) | |
802 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
803 | else { | |
12ca818f | 804 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1f0d9695 LP |
805 | return 0; |
806 | } | |
49092e22 SS |
807 | } |
808 | ||
809 | *ipv6_privacy_extensions = s; | |
810 | } | |
811 | ||
812 | return 0; | |
813 | } | |
a7d0ef44 | 814 | |
1ac608c9 LP |
815 | int config_parse_hostname( |
816 | const char *unit, | |
817 | const char *filename, | |
818 | unsigned line, | |
819 | const char *section, | |
820 | unsigned section_line, | |
821 | const char *lvalue, | |
822 | int ltype, | |
823 | const char *rvalue, | |
824 | void *data, | |
825 | void *userdata) { | |
826 | ||
827 | char **hostname = data, *hn = NULL; | |
a7d0ef44 SS |
828 | int r; |
829 | ||
830 | assert(filename); | |
831 | assert(lvalue); | |
832 | assert(rvalue); | |
833 | ||
1ac608c9 | 834 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
835 | if (r < 0) |
836 | return r; | |
837 | ||
1ac608c9 | 838 | if (!hostname_is_valid(hn, false)) { |
12ca818f | 839 | log_syntax(unit, LOG_ERR, filename, line, 0, "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
840 | free(hn); |
841 | return 0; | |
842 | } | |
843 | ||
1ac608c9 | 844 | free(*hostname); |
ae691c1d | 845 | *hostname = hostname_cleanup(hn); |
a7d0ef44 SS |
846 | return 0; |
847 | } | |
8eb9058d LP |
848 | |
849 | int config_parse_timezone( | |
850 | const char *unit, | |
851 | const char *filename, | |
852 | unsigned line, | |
853 | const char *section, | |
854 | unsigned section_line, | |
855 | const char *lvalue, | |
856 | int ltype, | |
857 | const char *rvalue, | |
858 | void *data, | |
859 | void *userdata) { | |
860 | ||
64d6c229 | 861 | char **datap = data, *tz = NULL; |
8eb9058d LP |
862 | int r; |
863 | ||
864 | assert(filename); | |
865 | assert(lvalue); | |
866 | assert(rvalue); | |
867 | ||
868 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
869 | if (r < 0) | |
870 | return r; | |
871 | ||
872 | if (!timezone_is_valid(tz)) { | |
12ca818f | 873 | log_syntax(unit, LOG_ERR, filename, line, 0, "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
874 | free(tz); |
875 | return 0; | |
876 | } | |
877 | ||
64d6c229 TA |
878 | free(*datap); |
879 | *datap = tz; | |
8eb9058d LP |
880 | |
881 | return 0; | |
882 | } | |
1a04db0f LP |
883 | |
884 | int config_parse_dhcp_server_dns( | |
885 | const char *unit, | |
886 | const char *filename, | |
887 | unsigned line, | |
888 | const char *section, | |
889 | unsigned section_line, | |
890 | const char *lvalue, | |
891 | int ltype, | |
892 | const char *rvalue, | |
893 | void *data, | |
894 | void *userdata) { | |
895 | ||
896 | Network *n = data; | |
897 | const char *p = rvalue; | |
898 | int r; | |
899 | ||
900 | assert(filename); | |
901 | assert(lvalue); | |
902 | assert(rvalue); | |
903 | ||
904 | for (;;) { | |
905 | _cleanup_free_ char *w = NULL; | |
906 | struct in_addr a, *m; | |
907 | ||
908 | r = extract_first_word(&p, &w, NULL, 0); | |
909 | if (r < 0) { | |
910 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); | |
911 | return 0; | |
912 | } | |
913 | ||
914 | if (r == 0) | |
915 | return 0; | |
916 | ||
917 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 918 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse DNS server address, ignoring: %s", w); |
1a04db0f LP |
919 | continue; |
920 | } | |
921 | ||
922 | m = realloc(n->dhcp_server_dns, (n->n_dhcp_server_dns + 1) * sizeof(struct in_addr)); | |
923 | if (!m) | |
924 | return log_oom(); | |
925 | ||
926 | m[n->n_dhcp_server_dns++] = a; | |
927 | n->dhcp_server_dns = m; | |
928 | } | |
929 | } | |
930 | ||
931 | int config_parse_dhcp_server_ntp( | |
932 | const char *unit, | |
933 | const char *filename, | |
934 | unsigned line, | |
935 | const char *section, | |
936 | unsigned section_line, | |
937 | const char *lvalue, | |
938 | int ltype, | |
939 | const char *rvalue, | |
940 | void *data, | |
941 | void *userdata) { | |
942 | ||
943 | Network *n = data; | |
944 | const char *p = rvalue; | |
945 | int r; | |
946 | ||
947 | assert(filename); | |
948 | assert(lvalue); | |
949 | assert(rvalue); | |
950 | ||
951 | for (;;) { | |
952 | _cleanup_free_ char *w = NULL; | |
953 | struct in_addr a, *m; | |
954 | ||
955 | r = extract_first_word(&p, &w, NULL, 0); | |
956 | if (r < 0) { | |
12ca818f | 957 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract word, ignoring: %s", rvalue); |
1a04db0f LP |
958 | return 0; |
959 | } | |
960 | ||
961 | if (r == 0) | |
962 | return 0; | |
963 | ||
964 | if (inet_pton(AF_INET, w, &a) <= 0) { | |
12ca818f | 965 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse NTP server address, ignoring: %s", w); |
1a04db0f LP |
966 | continue; |
967 | } | |
968 | ||
969 | m = realloc(n->dhcp_server_ntp, (n->n_dhcp_server_ntp + 1) * sizeof(struct in_addr)); | |
970 | if (!m) | |
971 | return log_oom(); | |
972 | ||
973 | m[n->n_dhcp_server_ntp++] = a; | |
974 | n->dhcp_server_ntp = m; | |
975 | } | |
976 | } | |
8a516214 LP |
977 | |
978 | int config_parse_dnssec_negative_trust_anchors( | |
979 | const char *unit, | |
980 | const char *filename, | |
981 | unsigned line, | |
982 | const char *section, | |
983 | unsigned section_line, | |
984 | const char *lvalue, | |
985 | int ltype, | |
986 | const char *rvalue, | |
987 | void *data, | |
988 | void *userdata) { | |
989 | ||
990 | const char *p = rvalue; | |
991 | Network *n = data; | |
992 | int r; | |
993 | ||
3df9bec5 | 994 | assert(n); |
8a516214 LP |
995 | assert(lvalue); |
996 | assert(rvalue); | |
997 | ||
998 | if (isempty(rvalue)) { | |
999 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | for (;;) { | |
1004 | _cleanup_free_ char *w = NULL; | |
1005 | ||
1006 | r = extract_first_word(&p, &w, NULL, 0); | |
1007 | if (r < 0) { | |
1008 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); | |
1009 | break; | |
1010 | } | |
1011 | if (r == 0) | |
1012 | break; | |
1013 | ||
1014 | r = dns_name_is_valid(w); | |
1015 | if (r <= 0) { | |
1016 | log_syntax(unit, LOG_ERR, filename, line, r, "%s is not a valid domain name, ignoring.", w); | |
1017 | continue; | |
1018 | } | |
1019 | ||
cbbf38ae LP |
1020 | r = set_ensure_allocated(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops); |
1021 | if (r < 0) | |
1022 | return log_oom(); | |
1023 | ||
8a516214 LP |
1024 | r = set_put(n->dnssec_negative_trust_anchors, w); |
1025 | if (r < 0) | |
1026 | return log_oom(); | |
1027 | if (r > 0) | |
1028 | w = NULL; | |
1029 | } | |
1030 | ||
1031 | return 0; | |
1032 | } | |
b2a81c0b LP |
1033 | |
1034 | DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_use_domains, dhcp_use_domains, DHCPUseDomains, "Failed to parse DHCP use domains setting"); | |
1035 | ||
1036 | static const char* const dhcp_use_domains_table[_DHCP_USE_DOMAINS_MAX] = { | |
1037 | [DHCP_USE_DOMAINS_NO] = "no", | |
1038 | [DHCP_USE_DOMAINS_ROUTE] = "route", | |
1039 | [DHCP_USE_DOMAINS_YES] = "yes", | |
1040 | }; | |
1041 | ||
1042 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dhcp_use_domains, DHCPUseDomains, DHCP_USE_DOMAINS_YES); | |
34437b4f LP |
1043 | |
1044 | DEFINE_CONFIG_PARSE_ENUM(config_parse_lldp_mode, lldp_mode, LLDPMode, "Failed to parse LLDP= setting."); | |
1045 | ||
1046 | static const char* const lldp_mode_table[_LLDP_MODE_MAX] = { | |
1047 | [LLDP_MODE_NO] = "no", | |
1048 | [LLDP_MODE_YES] = "yes", | |
1049 | [LLDP_MODE_ROUTERS_ONLY] = "routers-only", | |
1050 | }; | |
1051 | ||
1052 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(lldp_mode, LLDPMode, LLDP_MODE_YES); |