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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
f579559b | 2 | |
9aa5d8ba YW |
3 | #include <net/if.h> |
4 | #include <netinet/in.h> | |
01234e1f | 5 | #include <linux/netdevice.h> |
69a93e7d | 6 | |
b5efdb8a | 7 | #include "alloc-util.h" |
f579559b TG |
8 | #include "conf-files.h" |
9 | #include "conf-parser.h" | |
37de2509 | 10 | #include "dns-domain.h" |
3ffd4af2 | 11 | #include "fd-util.h" |
07630cea | 12 | #include "hostname-util.h" |
88295a05 | 13 | #include "in-addr-util.h" |
fc2f9534 | 14 | #include "network-internal.h" |
23f53b99 | 15 | #include "networkd-manager.h" |
3ffd4af2 | 16 | #include "networkd-network.h" |
6bedfcbb | 17 | #include "parse-util.h" |
8a516214 | 18 | #include "set.h" |
cebe1257 | 19 | #include "socket-util.h" |
8fcde012 | 20 | #include "stat-util.h" |
8b43440b | 21 | #include "string-table.h" |
07630cea | 22 | #include "string-util.h" |
700f1186 | 23 | #include "strv.h" |
07630cea | 24 | #include "util.h" |
f579559b | 25 | |
c448459d ZJS |
26 | /* Let's assume that anything above this number is a user misconfiguration. */ |
27 | #define MAX_NTP_SERVERS 128 | |
28 | ||
add8d07d | 29 | /* Set defaults following RFC7844 */ |
30 | void network_apply_anonymize_if_set(Network *network) { | |
31 | if (!network->dhcp_anonymize) | |
32 | return; | |
33 | /* RFC7844 3.7 | |
34 | SHOULD NOT send the Host Name option */ | |
35 | network->dhcp_send_hostname = false; | |
36 | /* RFC7844 section 3.: | |
37 | MAY contain the Client Identifier option | |
38 | Section 3.5: | |
39 | clients MUST use client identifiers based solely | |
40 | on the link-layer address */ | |
41 | /* NOTE: Using MAC, as it does not reveal extra information, | |
42 | * and some servers might not answer if this option is not sent */ | |
43 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
44 | /* RFC 7844 3.10: | |
45 | SHOULD NOT use the Vendor Class Identifier option */ | |
727ba17f | 46 | network->dhcp_vendor_class_identifier = mfree(network->dhcp_vendor_class_identifier); |
add8d07d | 47 | /* RFC7844 section 3.6.: |
48 | The client intending to protect its privacy SHOULD only request a | |
49 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
50 | the ordering of option codes in the PRL. If this random ordering | |
51 | cannot be implemented, the client MAY order the option codes in the | |
52 | PRL by option code number (lowest to highest). | |
53 | */ | |
54 | /* NOTE: dhcp_use_mtu is false by default, | |
55 | * though it was not initiallized to any value in network_load_one. | |
56 | * Maybe there should be another var called *send*? | |
57 | * (to use the MTU sent by the server but to do not send | |
58 | * the option in the PRL). */ | |
59 | network->dhcp_use_mtu = false; | |
28522b0d | 60 | /* NOTE: when Anonymize=yes, the PRL route options are sent by default, |
61 | * but this is needed to use them. */ | |
62 | network->dhcp_use_routes = true; | |
add8d07d | 63 | /* RFC7844 section 3.6. |
64 | * same comments as previous option */ | |
65 | network->dhcp_use_timezone = false; | |
66 | } | |
67 | ||
cebe1257 YW |
68 | static int network_resolve_netdev_one(Network *network, const char *name, NetDevKind kind, NetDev **ret_netdev) { |
69 | const char *kind_string; | |
70 | NetDev *netdev; | |
71 | int r; | |
72 | ||
96db6412 YW |
73 | /* For test-networkd-conf, the check must be earlier than the assertions. */ |
74 | if (!name) | |
75 | return 0; | |
76 | ||
cebe1257 YW |
77 | assert(network); |
78 | assert(network->manager); | |
79 | assert(network->filename); | |
80 | assert(ret_netdev); | |
81 | ||
cebe1257 YW |
82 | if (kind == _NETDEV_KIND_TUNNEL) |
83 | kind_string = "tunnel"; | |
84 | else { | |
85 | kind_string = netdev_kind_to_string(kind); | |
86 | if (!kind_string) | |
87 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
88 | "%s: Invalid NetDev kind of %s, ignoring assignment.", | |
89 | network->filename, name); | |
90 | } | |
91 | ||
92 | r = netdev_get(network->manager, name, &netdev); | |
93 | if (r < 0) | |
94 | return log_error_errno(r, "%s: %s NetDev could not be found, ignoring assignment.", | |
95 | network->filename, name); | |
96 | ||
97 | if (netdev->kind != kind && !(kind == _NETDEV_KIND_TUNNEL && | |
98 | IN_SET(netdev->kind, | |
99 | NETDEV_KIND_IPIP, | |
100 | NETDEV_KIND_SIT, | |
101 | NETDEV_KIND_GRE, | |
102 | NETDEV_KIND_GRETAP, | |
103 | NETDEV_KIND_IP6GRE, | |
104 | NETDEV_KIND_IP6GRETAP, | |
105 | NETDEV_KIND_VTI, | |
106 | NETDEV_KIND_VTI6, | |
9282f75b YW |
107 | NETDEV_KIND_IP6TNL, |
108 | NETDEV_KIND_ERSPAN))) | |
cebe1257 YW |
109 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
110 | "%s: NetDev %s is not a %s, ignoring assignment", | |
111 | network->filename, name, kind_string); | |
112 | ||
113 | *ret_netdev = netdev_ref(netdev); | |
114 | return 1; | |
115 | } | |
116 | ||
117 | static int network_resolve_stacked_netdevs(Network *network) { | |
118 | void *name, *kind; | |
119 | Iterator i; | |
120 | int r; | |
121 | ||
122 | assert(network); | |
123 | ||
124 | HASHMAP_FOREACH_KEY(kind, name, network->stacked_netdev_names, i) { | |
125 | _cleanup_(netdev_unrefp) NetDev *netdev = NULL; | |
126 | ||
127 | r = network_resolve_netdev_one(network, name, PTR_TO_INT(kind), &netdev); | |
128 | if (r <= 0) | |
129 | continue; | |
130 | ||
131 | r = hashmap_ensure_allocated(&network->stacked_netdevs, &string_hash_ops); | |
132 | if (r < 0) | |
133 | return log_oom(); | |
134 | ||
135 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); | |
136 | if (r < 0) | |
137 | return log_error_errno(r, "%s: Failed to add NetDev '%s' to network: %m", | |
138 | network->filename, (const char *) name); | |
139 | ||
140 | netdev = NULL; | |
141 | } | |
142 | ||
143 | return 0; | |
144 | } | |
145 | ||
96db6412 | 146 | int network_verify(Network *network) { |
4bec2f23 YW |
147 | Address *address, *address_next; |
148 | Route *route, *route_next; | |
fcbf4cb7 YW |
149 | FdbEntry *fdb, *fdb_next; |
150 | Neighbor *neighbor, *neighbor_next; | |
151 | AddressLabel *label, *label_next; | |
152 | Prefix *prefix, *prefix_next; | |
153 | RoutingPolicyRule *rule, *rule_next; | |
c16c7808 | 154 | NextHop *nexthop, *nextnop_next; |
0321cea7 YW |
155 | |
156 | assert(network); | |
157 | assert(network->filename); | |
158 | ||
84ea567e YW |
159 | if (set_isempty(network->match_mac) && strv_isempty(network->match_path) && |
160 | strv_isempty(network->match_driver) && strv_isempty(network->match_type) && | |
44005bfb | 161 | strv_isempty(network->match_name) && strv_isempty(network->match_property) && |
8d968fdd | 162 | strv_isempty(network->match_ssid) && !network->conditions) |
84ea567e YW |
163 | log_warning("%s: No valid settings found in the [Match] section. " |
164 | "The file will match all interfaces. " | |
165 | "If that is intended, please add Name=* in the [Match] section.", | |
166 | network->filename); | |
167 | ||
cebe1257 | 168 | /* skip out early if configuration does not match the environment */ |
c4f58dea | 169 | if (!condition_test_list(network->conditions, NULL, NULL, NULL)) |
cebe1257 | 170 | return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), |
3772cfde ZJS |
171 | "%s: Conditions in the file do not match the system environment, skipping.", |
172 | network->filename); | |
cebe1257 YW |
173 | |
174 | (void) network_resolve_netdev_one(network, network->bond_name, NETDEV_KIND_BOND, &network->bond); | |
175 | (void) network_resolve_netdev_one(network, network->bridge_name, NETDEV_KIND_BRIDGE, &network->bridge); | |
176 | (void) network_resolve_netdev_one(network, network->vrf_name, NETDEV_KIND_VRF, &network->vrf); | |
177 | (void) network_resolve_stacked_netdevs(network); | |
178 | ||
179 | /* Free unnecessary entries. */ | |
180 | network->bond_name = mfree(network->bond_name); | |
181 | network->bridge_name = mfree(network->bridge_name); | |
182 | network->vrf_name = mfree(network->vrf_name); | |
183 | network->stacked_netdev_names = hashmap_free_free_key(network->stacked_netdev_names); | |
184 | ||
0321cea7 YW |
185 | if (network->bond) { |
186 | /* Bonding slave does not support addressing. */ | |
187 | if (network->ipv6_accept_ra > 0) { | |
ab24039f ZJS |
188 | log_warning("%s: Cannot enable IPv6AcceptRA= when Bond= is specified, disabling IPv6AcceptRA=.", |
189 | network->filename); | |
0321cea7 YW |
190 | network->ipv6_accept_ra = 0; |
191 | } | |
192 | if (network->link_local >= 0 && network->link_local != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
193 | log_warning("%s: Cannot enable LinkLocalAddressing= when Bond= is specified, disabling LinkLocalAddressing=.", |
194 | network->filename); | |
0321cea7 YW |
195 | network->link_local = ADDRESS_FAMILY_NO; |
196 | } | |
197 | if (network->dhcp != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
198 | log_warning("%s: Cannot enable DHCP= when Bond= is specified, disabling DHCP=.", |
199 | network->filename); | |
0321cea7 YW |
200 | network->dhcp = ADDRESS_FAMILY_NO; |
201 | } | |
202 | if (network->dhcp_server) { | |
ab24039f ZJS |
203 | log_warning("%s: Cannot enable DHCPServer= when Bond= is specified, disabling DHCPServer=.", |
204 | network->filename); | |
0321cea7 YW |
205 | network->dhcp_server = false; |
206 | } | |
207 | if (network->n_static_addresses > 0) { | |
ab24039f ZJS |
208 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
209 | network->filename); | |
0321cea7 YW |
210 | while ((address = network->static_addresses)) |
211 | address_free(address); | |
212 | } | |
213 | if (network->n_static_routes > 0) { | |
ab24039f ZJS |
214 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
215 | network->filename); | |
0321cea7 YW |
216 | while ((route = network->static_routes)) |
217 | route_free(route); | |
218 | } | |
219 | } | |
220 | ||
221 | if (network->link_local < 0) | |
8f191801 YW |
222 | network->link_local = network->bridge ? ADDRESS_FAMILY_NO : ADDRESS_FAMILY_IPV6; |
223 | ||
44013aa4 YW |
224 | if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) { |
225 | if (network->ipv6_accept_ra > 0) { | |
226 | log_warning("%s: IPv6AcceptRA= is enabled by the .network file but IPv6 link local addressing is disabled. " | |
227 | "Disabling IPv6AcceptRA=.", network->filename); | |
228 | network->ipv6_accept_ra = false; | |
229 | } | |
230 | ||
231 | if (FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV6)) { | |
232 | log_warning("%s: DHCPv6 client is enabled by the .network file but IPv6 link local addressing is disabled. " | |
233 | "Disabling DHCPv6 client.", network->filename); | |
234 | SET_FLAG(network->dhcp, ADDRESS_FAMILY_IPV6, false); | |
235 | } | |
236 | ||
237 | if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE) { | |
238 | log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. " | |
239 | "Disabling IPv6PrefixDelegation=.", network->filename); | |
240 | network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE; | |
241 | } | |
242 | } | |
243 | ||
29e81083 YW |
244 | if (FLAGS_SET(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4) && |
245 | !FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV4)) { | |
246 | log_warning("%s: fallback assignment of IPv4 link local address is enabled but DHCPv4 is disabled. " | |
247 | "Disabling the fallback assignment.", network->filename); | |
248 | SET_FLAG(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4, false); | |
249 | } | |
250 | ||
8f191801 YW |
251 | if (network->ipv6_accept_ra < 0 && network->bridge) |
252 | network->ipv6_accept_ra = false; | |
0321cea7 YW |
253 | |
254 | /* IPMasquerade=yes implies IPForward=yes */ | |
255 | if (network->ip_masquerade) | |
256 | network->ip_forward |= ADDRESS_FAMILY_IPV4; | |
257 | ||
933c70a0 | 258 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
259 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
260 | "Disabling UseMTU=.", network->filename); | |
261 | network->dhcp_use_mtu = false; | |
262 | } | |
263 | ||
7da377ef SS |
264 | if (network->dhcp_critical >= 0) { |
265 | if (network->keep_configuration >= 0) | |
266 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
267 | "Ignoring CriticalConnection=.", network->filename); | |
268 | else if (network->dhcp_critical) | |
269 | /* CriticalConnection=yes also preserve foreign static configurations. */ | |
270 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
271 | else | |
80060352 | 272 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
273 | } |
274 | ||
275 | if (network->keep_configuration < 0) | |
80060352 | 276 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 277 | |
4bec2f23 | 278 | LIST_FOREACH_SAFE(addresses, address, address_next, network->static_addresses) |
fcbf4cb7 | 279 | if (address_section_verify(address) < 0) |
4bec2f23 | 280 | address_free(address); |
4bec2f23 | 281 | |
fcbf4cb7 YW |
282 | LIST_FOREACH_SAFE(routes, route, route_next, network->static_routes) |
283 | if (route_section_verify(route, network) < 0) | |
4bec2f23 | 284 | route_free(route); |
0321cea7 | 285 | |
c16c7808 SS |
286 | LIST_FOREACH_SAFE(nexthops, nexthop, nextnop_next, network->static_nexthops) |
287 | if (nexthop_section_verify(nexthop) < 0) | |
288 | nexthop_free(nexthop); | |
289 | ||
fcbf4cb7 YW |
290 | LIST_FOREACH_SAFE(static_fdb_entries, fdb, fdb_next, network->static_fdb_entries) |
291 | if (section_is_invalid(fdb->section)) | |
292 | fdb_entry_free(fdb); | |
293 | ||
294 | LIST_FOREACH_SAFE(neighbors, neighbor, neighbor_next, network->neighbors) | |
044d4b40 | 295 | if (neighbor_section_verify(neighbor) < 0) |
fcbf4cb7 YW |
296 | neighbor_free(neighbor); |
297 | ||
298 | LIST_FOREACH_SAFE(labels, label, label_next, network->address_labels) | |
299 | if (section_is_invalid(label->section)) | |
300 | address_label_free(label); | |
301 | ||
302 | LIST_FOREACH_SAFE(prefixes, prefix, prefix_next, network->static_prefixes) | |
303 | if (section_is_invalid(prefix->section)) | |
304 | prefix_free(prefix); | |
305 | ||
714a199e YW |
306 | LIST_FOREACH_SAFE(prefixes, prefix, prefix_next, network->static_route_prefixes) |
307 | if (section_is_invalid(prefix->section)) | |
308 | prefix_free(prefix); | |
309 | ||
fcbf4cb7 | 310 | LIST_FOREACH_SAFE(rules, rule, rule_next, network->rules) |
0aabccc8 | 311 | if (routing_policy_rule_section_verify(rule) < 0) |
fcbf4cb7 | 312 | routing_policy_rule_free(rule); |
4912ab77 | 313 | |
0321cea7 YW |
314 | return 0; |
315 | } | |
316 | ||
7f06b3e1 | 317 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 318 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 319 | _cleanup_(network_unrefp) Network *network = NULL; |
f579559b | 320 | _cleanup_fclose_ FILE *file = NULL; |
047a0dac | 321 | const char *dropin_dirname; |
838b2f7a | 322 | char *d; |
f579559b TG |
323 | int r; |
324 | ||
bf1bc670 TA |
325 | assert(manager); |
326 | assert(filename); | |
327 | ||
f579559b TG |
328 | file = fopen(filename, "re"); |
329 | if (!file) { | |
330 | if (errno == ENOENT) | |
331 | return 0; | |
1e7a0e21 LP |
332 | |
333 | return -errno; | |
f579559b TG |
334 | } |
335 | ||
ed88bcfb ZJS |
336 | if (null_or_empty_fd(fileno(file))) { |
337 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
338 | return 0; |
339 | } | |
340 | ||
838b2f7a YW |
341 | fname = strdup(filename); |
342 | if (!fname) | |
343 | return log_oom(); | |
344 | ||
345 | name = strdup(basename(filename)); | |
346 | if (!name) | |
347 | return log_oom(); | |
348 | ||
349 | d = strrchr(name, '.'); | |
350 | if (!d) | |
351 | return -EINVAL; | |
352 | ||
353 | *d = '\0'; | |
354 | ||
355 | dropin_dirname = strjoina(name, ".network.d"); | |
356 | ||
17f9c355 | 357 | network = new(Network, 1); |
f579559b TG |
358 | if (!network) |
359 | return log_oom(); | |
360 | ||
17f9c355 | 361 | *network = (Network) { |
838b2f7a YW |
362 | .filename = TAKE_PTR(fname), |
363 | .name = TAKE_PTR(name), | |
17f9c355 | 364 | |
715d398e | 365 | .manager = manager, |
35ac3b76 YW |
366 | .n_ref = 1, |
367 | ||
17f9c355 | 368 | .required_for_online = true, |
4ac77d63 | 369 | .required_operstate_for_online = LINK_OPERSTATE_DEGRADED, |
17f9c355 | 370 | .dhcp = ADDRESS_FAMILY_NO, |
7da377ef | 371 | .dhcp_critical = -1, |
17f9c355 | 372 | .dhcp_use_ntp = true, |
299d578f | 373 | .dhcp_use_sip = true, |
17f9c355 YW |
374 | .dhcp_use_dns = true, |
375 | .dhcp_use_hostname = true, | |
376 | .dhcp_use_routes = true, | |
5238e957 | 377 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 | 378 | .dhcp_send_hostname = true, |
5f3b5f19 | 379 | .dhcp_send_release = true, |
17f9c355 YW |
380 | /* To enable/disable RFC7844 Anonymity Profiles */ |
381 | .dhcp_anonymize = false, | |
382 | .dhcp_route_metric = DHCP_ROUTE_METRIC, | |
c9c908a6 | 383 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 YW |
384 | .dhcp_client_identifier = DHCP_CLIENT_ID_DUID, |
385 | .dhcp_route_table = RT_TABLE_MAIN, | |
386 | .dhcp_route_table_set = false, | |
387 | /* NOTE: from man: UseMTU=... Defaults to false*/ | |
388 | .dhcp_use_mtu = false, | |
389 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ | |
390 | .dhcp_use_timezone = false, | |
391 | .rapid_commit = true, | |
392 | ||
caa8ca42 SS |
393 | .dhcp6_use_ntp = true, |
394 | .dhcp6_use_dns = true, | |
395 | ||
17f9c355 YW |
396 | .dhcp_server_emit_dns = true, |
397 | .dhcp_server_emit_ntp = true, | |
299d578f | 398 | .dhcp_server_emit_sip = true, |
17f9c355 YW |
399 | .dhcp_server_emit_router = true, |
400 | .dhcp_server_emit_timezone = true, | |
401 | ||
402 | .router_emit_dns = true, | |
403 | .router_emit_domains = true, | |
404 | ||
405 | .use_bpdu = -1, | |
406 | .hairpin = -1, | |
407 | .fast_leave = -1, | |
408 | .allow_port_to_be_root = -1, | |
409 | .unicast_flood = -1, | |
7f15b714 | 410 | .multicast_flood = -1, |
d3aa8b49 | 411 | .multicast_to_unicast = -1, |
7f15b714 TJ |
412 | .neighbor_suppression = -1, |
413 | .learning = -1, | |
1087623b SS |
414 | .bridge_proxy_arp = -1, |
415 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 416 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 417 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 YW |
418 | |
419 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, | |
420 | ||
7ece6f58 | 421 | .dns_default_route = -1, |
17f9c355 YW |
422 | .llmnr = RESOLVE_SUPPORT_YES, |
423 | .mdns = RESOLVE_SUPPORT_NO, | |
424 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
425 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
426 | ||
0321cea7 | 427 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 428 | .link_local = _ADDRESS_FAMILY_INVALID, |
17f9c355 YW |
429 | |
430 | .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO, | |
431 | .ipv6_accept_ra = -1, | |
432 | .ipv6_dad_transmits = -1, | |
433 | .ipv6_hop_limit = -1, | |
434 | .ipv6_proxy_ndp = -1, | |
435 | .duid.type = _DUID_TYPE_INVALID, | |
436 | .proxy_arp = -1, | |
437 | .arp = -1, | |
438 | .multicast = -1, | |
439 | .allmulticast = -1, | |
440 | .ipv6_accept_ra_use_dns = true, | |
062c2eea SS |
441 | .ipv6_accept_ra_use_autonomous_prefix = true, |
442 | .ipv6_accept_ra_use_onlink_prefix = true, | |
17f9c355 | 443 | .ipv6_accept_ra_route_table = RT_TABLE_MAIN, |
d5fa3339 | 444 | .ipv6_accept_ra_route_table_set = false, |
c423be28 | 445 | |
7da377ef SS |
446 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, |
447 | ||
c423be28 | 448 | .can_triple_sampling = -1, |
afe42aef | 449 | .ip_service_type = -1, |
17f9c355 | 450 | }; |
f579559b | 451 | |
dc0d4078 | 452 | r = config_parse_many(filename, NETWORK_DIRS, dropin_dirname, |
23bb31aa ZJS |
453 | "Match\0" |
454 | "Link\0" | |
455 | "Network\0" | |
456 | "Address\0" | |
e4a71bf3 | 457 | "Neighbor\0" |
95b74ef6 | 458 | "IPv6AddressLabel\0" |
bce67bbe | 459 | "RoutingPolicyRule\0" |
23bb31aa | 460 | "Route\0" |
c16c7808 | 461 | "NextHop\0" |
4abcdaa0 YW |
462 | "DHCP\0" /* compat */ |
463 | "DHCPv4\0" | |
caa8ca42 | 464 | "DHCPv6\0" |
23bb31aa ZJS |
465 | "DHCPServer\0" |
466 | "IPv6AcceptRA\0" | |
a0e5c15d | 467 | "IPv6NDPProxyAddress\0" |
23bb31aa ZJS |
468 | "Bridge\0" |
469 | "BridgeFDB\0" | |
9d5d0090 | 470 | "BridgeVLAN\0" |
7d5cac19 | 471 | "IPv6PrefixDelegation\0" |
06828bb6 | 472 | "IPv6Prefix\0" |
203d4df5 | 473 | "IPv6RoutePrefix\0" |
06828bb6 | 474 | "CAN\0", |
23bb31aa | 475 | config_item_perf_lookup, network_network_gperf_lookup, |
bcde742e | 476 | CONFIG_PARSE_WARN, network); |
102bc043 | 477 | if (r < 0) |
f579559b | 478 | return r; |
f579559b | 479 | |
add8d07d | 480 | network_apply_anonymize_if_set(network); |
481 | ||
fa7cd711 YW |
482 | r = network_add_ipv4ll_route(network); |
483 | if (r < 0) | |
484 | log_warning_errno(r, "%s: Failed to add IPv4LL route, ignoring: %m", network->filename); | |
485 | ||
5d5003ab YW |
486 | r = network_add_default_route_on_device(network); |
487 | if (r < 0) | |
488 | log_warning_errno(r, "%s: Failed to add default route on device, ignoring: %m", | |
489 | network->filename); | |
490 | ||
7f06b3e1 YW |
491 | struct stat stats; |
492 | if (stat(filename, &stats) < 0) | |
493 | return -errno; | |
494 | network->timestamp = timespec_load(&stats.st_mtim); | |
495 | ||
496 | if (network_verify(network) < 0) | |
497 | /* Ignore .network files that do not match the conditions. */ | |
498 | return 0; | |
499 | ||
500 | r = ordered_hashmap_ensure_allocated(networks, &string_hash_ops); | |
dbffab87 TG |
501 | if (r < 0) |
502 | return r; | |
503 | ||
7f06b3e1 | 504 | r = ordered_hashmap_put(*networks, network->name, network); |
dbffab87 TG |
505 | if (r < 0) |
506 | return r; | |
507 | ||
f579559b | 508 | network = NULL; |
f579559b TG |
509 | return 0; |
510 | } | |
511 | ||
7f06b3e1 | 512 | int network_load(Manager *manager, OrderedHashmap **networks) { |
477e73b5 ZJS |
513 | _cleanup_strv_free_ char **files = NULL; |
514 | char **f; | |
f579559b TG |
515 | int r; |
516 | ||
517 | assert(manager); | |
518 | ||
7f06b3e1 | 519 | ordered_hashmap_clear_with_destructor(*networks, network_unref); |
f579559b | 520 | |
dc0d4078 | 521 | r = conf_files_list_strv(&files, ".network", NULL, 0, NETWORK_DIRS); |
f647962d MS |
522 | if (r < 0) |
523 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b | 524 | |
715d398e | 525 | STRV_FOREACH(f, files) { |
7f06b3e1 | 526 | r = network_load_one(manager, networks, *f); |
f579559b | 527 | if (r < 0) |
be711082 | 528 | log_error_errno(r, "Failed to load %s, ignoring: %m", *f); |
f579559b TG |
529 | } |
530 | ||
f579559b TG |
531 | return 0; |
532 | } | |
533 | ||
7f06b3e1 YW |
534 | int network_reload(Manager *manager) { |
535 | OrderedHashmap *new_networks = NULL; | |
536 | Network *n, *old; | |
537 | Iterator i; | |
538 | int r; | |
539 | ||
540 | assert(manager); | |
541 | ||
542 | r = network_load(manager, &new_networks); | |
543 | if (r < 0) | |
544 | goto failure; | |
545 | ||
546 | ORDERED_HASHMAP_FOREACH(n, new_networks, i) { | |
547 | r = network_get_by_name(manager, n->name, &old); | |
548 | if (r < 0) | |
549 | continue; /* The .network file is new. */ | |
550 | ||
551 | if (n->timestamp != old->timestamp) | |
552 | continue; /* The .network file is modified. */ | |
553 | ||
554 | if (!streq(n->filename, old->filename)) | |
555 | continue; | |
556 | ||
557 | r = ordered_hashmap_replace(new_networks, old->name, old); | |
558 | if (r < 0) | |
559 | goto failure; | |
560 | ||
561 | network_ref(old); | |
562 | network_unref(n); | |
563 | } | |
564 | ||
565 | ordered_hashmap_free_with_destructor(manager->networks, network_unref); | |
566 | manager->networks = new_networks; | |
567 | ||
568 | return 0; | |
569 | ||
570 | failure: | |
571 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
572 | ||
573 | return r; | |
574 | } | |
575 | ||
35ac3b76 | 576 | static Network *network_free(Network *network) { |
a0e5c15d | 577 | IPv6ProxyNDPAddress *ipv6_proxy_ndp_address; |
bce67bbe SS |
578 | RoutingPolicyRule *rule; |
579 | FdbEntry *fdb_entry; | |
e4a71bf3 | 580 | Neighbor *neighbor; |
95b74ef6 | 581 | AddressLabel *label; |
bce67bbe | 582 | Address *address; |
c16c7808 SS |
583 | NextHop *nexthop; |
584 | Prefix *prefix; | |
bce67bbe | 585 | Route *route; |
f579559b TG |
586 | |
587 | if (!network) | |
35ac3b76 | 588 | return NULL; |
f579559b TG |
589 | |
590 | free(network->filename); | |
591 | ||
e90d0374 | 592 | set_free_free(network->match_mac); |
5256e00e TG |
593 | strv_free(network->match_path); |
594 | strv_free(network->match_driver); | |
595 | strv_free(network->match_type); | |
596 | strv_free(network->match_name); | |
44005bfb | 597 | strv_free(network->match_property); |
8d968fdd | 598 | strv_free(network->match_ssid); |
277ba8d1 | 599 | set_free_free(network->match_bssid); |
c4f58dea | 600 | condition_free_list(network->conditions); |
f579559b TG |
601 | |
602 | free(network->description); | |
edb85f0d | 603 | free(network->dhcp_vendor_class_identifier); |
af1c0de0 | 604 | strv_free(network->dhcp_user_class); |
27cb34f5 | 605 | free(network->dhcp_hostname); |
727b5734 | 606 | set_free(network->dhcp_black_listed_ip); |
5bc945be | 607 | set_free(network->dhcp_request_options); |
c106cc36 TG |
608 | free(network->mac); |
609 | ||
b0e39c82 | 610 | strv_free(network->ntp); |
5512a963 | 611 | free(network->dns); |
299d578f | 612 | strv_free(network->sip); |
5e2a51d5 ZJS |
613 | ordered_set_free_free(network->search_domains); |
614 | ordered_set_free_free(network->route_domains); | |
0d4ad91d | 615 | strv_free(network->bind_carrier); |
cdd7812b | 616 | |
5e2a51d5 | 617 | ordered_set_free_free(network->router_search_domains); |
cdd7812b | 618 | free(network->router_dns); |
e520ce64 | 619 | set_free_free(network->ndisc_black_listed_prefix); |
3bef724f | 620 | |
cebe1257 YW |
621 | free(network->bridge_name); |
622 | free(network->bond_name); | |
623 | free(network->vrf_name); | |
624 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 625 | netdev_unref(network->bridge); |
47e2dc31 | 626 | netdev_unref(network->bond); |
6cb955c6 | 627 | netdev_unref(network->vrf); |
fa6f1e54 | 628 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 629 | |
f048a16b | 630 | while ((route = network->static_routes)) |
f579559b TG |
631 | route_free(route); |
632 | ||
c16c7808 SS |
633 | while ((nexthop = network->static_nexthops)) |
634 | nexthop_free(nexthop); | |
635 | ||
f048a16b | 636 | while ((address = network->static_addresses)) |
f579559b TG |
637 | address_free(address); |
638 | ||
b98b483b AR |
639 | while ((fdb_entry = network->static_fdb_entries)) |
640 | fdb_entry_free(fdb_entry); | |
641 | ||
a0e5c15d FK |
642 | while ((ipv6_proxy_ndp_address = network->ipv6_proxy_ndp_addresses)) |
643 | ipv6_proxy_ndp_address_free(ipv6_proxy_ndp_address); | |
644 | ||
e4a71bf3 WKI |
645 | while ((neighbor = network->neighbors)) |
646 | neighbor_free(neighbor); | |
647 | ||
95b74ef6 SS |
648 | while ((label = network->address_labels)) |
649 | address_label_free(label); | |
650 | ||
057abfd8 PF |
651 | while ((prefix = network->static_prefixes)) |
652 | prefix_free(prefix); | |
653 | ||
bce67bbe SS |
654 | while ((rule = network->rules)) |
655 | routing_policy_rule_free(rule); | |
656 | ||
6ae115c1 TG |
657 | hashmap_free(network->addresses_by_section); |
658 | hashmap_free(network->routes_by_section); | |
c16c7808 | 659 | hashmap_free(network->nexthops_by_section); |
b98b483b | 660 | hashmap_free(network->fdb_entries_by_section); |
e4a71bf3 | 661 | hashmap_free(network->neighbors_by_section); |
95b74ef6 | 662 | hashmap_free(network->address_labels_by_section); |
057abfd8 | 663 | hashmap_free(network->prefixes_by_section); |
bce67bbe | 664 | hashmap_free(network->rules_by_section); |
6ae115c1 | 665 | |
7f06b3e1 YW |
666 | if (network->manager && |
667 | network->manager->duids_requesting_uuid) | |
668 | set_remove(network->manager->duids_requesting_uuid, &network->duid); | |
dbffab87 TG |
669 | |
670 | free(network->name); | |
f579559b | 671 | |
8eb9058d | 672 | free(network->dhcp_server_timezone); |
1a04db0f LP |
673 | free(network->dhcp_server_dns); |
674 | free(network->dhcp_server_ntp); | |
299d578f | 675 | free(network->dhcp_server_sip); |
8eb9058d | 676 | |
8a516214 LP |
677 | set_free_free(network->dnssec_negative_trust_anchors); |
678 | ||
cb29c156 SS |
679 | ordered_hashmap_free(network->dhcp_send_options); |
680 | ||
35ac3b76 | 681 | return mfree(network); |
f579559b TG |
682 | } |
683 | ||
35ac3b76 YW |
684 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
685 | ||
dbffab87 TG |
686 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
687 | Network *network; | |
688 | ||
689 | assert(manager); | |
690 | assert(name); | |
691 | assert(ret); | |
692 | ||
715d398e | 693 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
694 | if (!network) |
695 | return -ENOENT; | |
696 | ||
697 | *ret = network; | |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
51517f9e | 702 | int network_get(Manager *manager, sd_device *device, |
505f8da7 | 703 | const char *ifname, const struct ether_addr *address, |
277ba8d1 | 704 | const char *ssid, const struct ether_addr *bssid, Network **ret) { |
51517f9e | 705 | Network *network; |
715d398e | 706 | Iterator i; |
f579559b TG |
707 | |
708 | assert(manager); | |
f579559b | 709 | assert(ret); |
af3aa302 | 710 | |
715d398e | 711 | ORDERED_HASHMAP_FOREACH(network, manager->networks, i) |
44005bfb YW |
712 | if (net_match_config(network->match_mac, network->match_path, network->match_driver, |
713 | network->match_type, network->match_name, network->match_property, | |
277ba8d1 YW |
714 | network->match_ssid, network->match_bssid, |
715 | device, address, ifname, ssid, bssid)) { | |
24c083df | 716 | if (network->match_name && device) { |
ca6038b8 TG |
717 | const char *attr; |
718 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
719 | ||
51517f9e | 720 | if (sd_device_get_sysattr_value(device, "name_assign_type", &attr) >= 0) |
dc751688 | 721 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
722 | |
723 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
724 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
725 | ifname, network->filename); | |
32bc8adc | 726 | else |
a2fae7bb | 727 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 728 | } else |
a2fae7bb | 729 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 730 | |
f579559b TG |
731 | *ret = network; |
732 | return 0; | |
733 | } | |
f579559b TG |
734 | |
735 | *ret = NULL; | |
736 | ||
737 | return -ENOENT; | |
738 | } | |
739 | ||
7d342c03 | 740 | int network_apply(Network *network, Link *link) { |
c4a03a56 TG |
741 | assert(network); |
742 | assert(link); | |
743 | ||
c9c908a6 | 744 | link->network = network_ref(network); |
f579559b | 745 | |
5512a963 | 746 | if (network->n_dns > 0 || |
3df9bec5 | 747 | !strv_isempty(network->ntp) || |
5e2a51d5 ZJS |
748 | !ordered_set_isempty(network->search_domains) || |
749 | !ordered_set_isempty(network->route_domains)) | |
84de38c5 | 750 | link_dirty(link); |
3bef724f | 751 | |
f579559b TG |
752 | return 0; |
753 | } | |
02b59d57 | 754 | |
adfeee49 | 755 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 756 | Address *address; |
adfeee49 YW |
757 | Route *route; |
758 | FdbEntry *fdb; | |
759 | Neighbor *neighbor; | |
439689c6 SS |
760 | |
761 | assert(network); | |
762 | ||
adfeee49 | 763 | LIST_FOREACH(addresses, address, network->static_addresses) |
439689c6 SS |
764 | if (address->family == AF_INET6) |
765 | return true; | |
adfeee49 YW |
766 | |
767 | LIST_FOREACH(routes, route, network->static_routes) | |
768 | if (route->family == AF_INET6) | |
769 | return true; | |
770 | ||
771 | LIST_FOREACH(static_fdb_entries, fdb, network->static_fdb_entries) | |
772 | if (fdb->family == AF_INET6) | |
773 | return true; | |
774 | ||
775 | LIST_FOREACH(neighbors, neighbor, network->neighbors) | |
776 | if (neighbor->family == AF_INET6) | |
777 | return true; | |
778 | ||
779 | if (!LIST_IS_EMPTY(network->address_labels)) | |
780 | return true; | |
781 | ||
782 | if (!LIST_IS_EMPTY(network->static_prefixes)) | |
783 | return true; | |
439689c6 SS |
784 | |
785 | return false; | |
786 | } | |
787 | ||
cebe1257 | 788 | int config_parse_stacked_netdev(const char *unit, |
02b59d57 TG |
789 | const char *filename, |
790 | unsigned line, | |
791 | const char *section, | |
792 | unsigned section_line, | |
793 | const char *lvalue, | |
794 | int ltype, | |
795 | const char *rvalue, | |
796 | void *data, | |
797 | void *userdata) { | |
95dba435 YW |
798 | _cleanup_free_ char *name = NULL; |
799 | NetDevKind kind = ltype; | |
cebe1257 | 800 | Hashmap **h = data; |
02b59d57 TG |
801 | int r; |
802 | ||
803 | assert(filename); | |
804 | assert(lvalue); | |
805 | assert(rvalue); | |
806 | assert(data); | |
95dba435 YW |
807 | assert(IN_SET(kind, |
808 | NETDEV_KIND_VLAN, NETDEV_KIND_MACVLAN, NETDEV_KIND_MACVTAP, | |
69c317a0 | 809 | NETDEV_KIND_IPVLAN, NETDEV_KIND_IPVTAP, NETDEV_KIND_VXLAN, |
98d20a17 | 810 | NETDEV_KIND_L2TP, NETDEV_KIND_MACSEC, _NETDEV_KIND_TUNNEL, |
811 | NETDEV_KIND_XFRM)); | |
54abf461 | 812 | |
cebe1257 | 813 | if (!ifname_valid(rvalue)) { |
3772cfde ZJS |
814 | log_syntax(unit, LOG_ERR, filename, line, 0, |
815 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); | |
54abf461 TG |
816 | return 0; |
817 | } | |
818 | ||
cebe1257 YW |
819 | name = strdup(rvalue); |
820 | if (!name) | |
821 | return log_oom(); | |
3e570042 | 822 | |
cebe1257 YW |
823 | r = hashmap_ensure_allocated(h, &string_hash_ops); |
824 | if (r < 0) | |
825 | return log_oom(); | |
326cb406 | 826 | |
cebe1257 | 827 | r = hashmap_put(*h, name, INT_TO_PTR(kind)); |
83ec4592 | 828 | if (r < 0) |
3772cfde | 829 | log_syntax(unit, LOG_ERR, filename, line, r, |
83ec4592 ZJS |
830 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
831 | else if (r == 0) | |
832 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
833 | "NetDev '%s' specified twice, ignoring.", name); | |
834 | else | |
835 | name = NULL; | |
47e2dc31 | 836 | |
fe6b2d55 TG |
837 | return 0; |
838 | } | |
7951dea2 | 839 | |
3df9bec5 LP |
840 | int config_parse_domains( |
841 | const char *unit, | |
842 | const char *filename, | |
843 | unsigned line, | |
844 | const char *section, | |
845 | unsigned section_line, | |
846 | const char *lvalue, | |
847 | int ltype, | |
848 | const char *rvalue, | |
849 | void *data, | |
850 | void *userdata) { | |
851 | ||
852 | const char *p; | |
853 | Network *n = data; | |
6192b846 TG |
854 | int r; |
855 | ||
3df9bec5 LP |
856 | assert(n); |
857 | assert(lvalue); | |
858 | assert(rvalue); | |
6192b846 | 859 | |
3df9bec5 | 860 | if (isempty(rvalue)) { |
5e2a51d5 ZJS |
861 | n->search_domains = ordered_set_free_free(n->search_domains); |
862 | n->route_domains = ordered_set_free_free(n->route_domains); | |
3df9bec5 LP |
863 | return 0; |
864 | } | |
67272d15 | 865 | |
3df9bec5 LP |
866 | p = rvalue; |
867 | for (;;) { | |
868 | _cleanup_free_ char *w = NULL, *normalized = NULL; | |
869 | const char *domain; | |
870 | bool is_route; | |
871 | ||
872 | r = extract_first_word(&p, &w, NULL, 0); | |
873 | if (r < 0) { | |
ab24039f ZJS |
874 | log_syntax(unit, LOG_ERR, filename, line, r, |
875 | "Failed to extract search or route domain, ignoring: %s", rvalue); | |
3df9bec5 LP |
876 | break; |
877 | } | |
878 | if (r == 0) | |
879 | break; | |
880 | ||
881 | is_route = w[0] == '~'; | |
882 | domain = is_route ? w + 1 : w; | |
883 | ||
884 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
885 | /* If the root domain appears as is, or the special token "*" is found, we'll |
886 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 887 | is_route = true; |
ab24039f ZJS |
888 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
889 | * domain as "." */ | |
3df9bec5 | 890 | } else { |
7470cc4c | 891 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 892 | if (r < 0) { |
ab24039f ZJS |
893 | log_syntax(unit, LOG_ERR, filename, line, r, |
894 | "'%s' is not a valid domain name, ignoring.", domain); | |
3df9bec5 LP |
895 | continue; |
896 | } | |
897 | ||
898 | domain = normalized; | |
899 | ||
900 | if (is_localhost(domain)) { | |
ab24039f ZJS |
901 | log_syntax(unit, LOG_ERR, filename, line, 0, |
902 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", | |
903 | domain); | |
37de2509 | 904 | continue; |
3df9bec5 | 905 | } |
37de2509 | 906 | } |
40274ed6 | 907 | |
5e2a51d5 ZJS |
908 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
909 | r = ordered_set_ensure_allocated(set, &string_hash_ops); | |
910 | if (r < 0) | |
911 | return r; | |
912 | ||
913 | r = ordered_set_put_strdup(*set, domain); | |
09451975 LP |
914 | if (r < 0) |
915 | return log_oom(); | |
40274ed6 | 916 | } |
f15b6e5a | 917 | |
6192b846 TG |
918 | return 0; |
919 | } | |
920 | ||
60c35566 | 921 | int config_parse_ipv6token( |
7f77697a TG |
922 | const char* unit, |
923 | const char *filename, | |
924 | unsigned line, | |
925 | const char *section, | |
926 | unsigned section_line, | |
927 | const char *lvalue, | |
928 | int ltype, | |
929 | const char *rvalue, | |
930 | void *data, | |
931 | void *userdata) { | |
932 | ||
933 | union in_addr_union buffer; | |
934 | struct in6_addr *token = data; | |
935 | int r; | |
936 | ||
937 | assert(filename); | |
938 | assert(lvalue); | |
939 | assert(rvalue); | |
940 | assert(token); | |
941 | ||
942 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
943 | if (r < 0) { | |
ab24039f ZJS |
944 | log_syntax(unit, LOG_ERR, filename, line, r, |
945 | "Failed to parse IPv6 token, ignoring: %s", rvalue); | |
7f77697a TG |
946 | return 0; |
947 | } | |
948 | ||
c606db69 | 949 | if (in_addr_is_null(AF_INET6, &buffer)) { |
ab24039f ZJS |
950 | log_syntax(unit, LOG_ERR, filename, line, 0, |
951 | "IPv6 token cannot be the ANY address, ignoring: %s", rvalue); | |
7f77697a TG |
952 | return 0; |
953 | } | |
954 | ||
955 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
ab24039f ZJS |
956 | log_syntax(unit, LOG_ERR, filename, line, 0, |
957 | "IPv6 token cannot be longer than 64 bits, ignoring: %s", rvalue); | |
7f77697a TG |
958 | return 0; |
959 | } | |
960 | ||
961 | *token = buffer.in6; | |
962 | ||
963 | return 0; | |
964 | } | |
8add5f79 | 965 | |
49092e22 | 966 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
967 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
968 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
969 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
970 | }; |
971 | ||
b146ad71 YW |
972 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(ipv6_privacy_extensions, IPv6PrivacyExtensions, |
973 | IPV6_PRIVACY_EXTENSIONS_YES); | |
49092e22 SS |
974 | |
975 | int config_parse_ipv6_privacy_extensions( | |
976 | const char* unit, | |
977 | const char *filename, | |
978 | unsigned line, | |
979 | const char *section, | |
980 | unsigned section_line, | |
981 | const char *lvalue, | |
982 | int ltype, | |
983 | const char *rvalue, | |
984 | void *data, | |
985 | void *userdata) { | |
986 | ||
b146ad71 | 987 | IPv6PrivacyExtensions s, *ipv6_privacy_extensions = data; |
49092e22 SS |
988 | |
989 | assert(filename); | |
990 | assert(lvalue); | |
991 | assert(rvalue); | |
992 | assert(ipv6_privacy_extensions); | |
993 | ||
b146ad71 YW |
994 | s = ipv6_privacy_extensions_from_string(rvalue); |
995 | if (s < 0) { | |
996 | if (streq(rvalue, "kernel")) | |
997 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
998 | else { | |
999 | log_syntax(unit, LOG_ERR, filename, line, 0, | |
1000 | "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); | |
1001 | return 0; | |
49092e22 | 1002 | } |
49092e22 SS |
1003 | } |
1004 | ||
b146ad71 YW |
1005 | *ipv6_privacy_extensions = s; |
1006 | ||
49092e22 SS |
1007 | return 0; |
1008 | } | |
a7d0ef44 | 1009 | |
1ac608c9 LP |
1010 | int config_parse_hostname( |
1011 | const char *unit, | |
1012 | const char *filename, | |
1013 | unsigned line, | |
1014 | const char *section, | |
1015 | unsigned section_line, | |
1016 | const char *lvalue, | |
1017 | int ltype, | |
1018 | const char *rvalue, | |
1019 | void *data, | |
1020 | void *userdata) { | |
1021 | ||
6528693a YW |
1022 | _cleanup_free_ char *hn = NULL; |
1023 | char **hostname = data; | |
a7d0ef44 SS |
1024 | int r; |
1025 | ||
1026 | assert(filename); | |
1027 | assert(lvalue); | |
1028 | assert(rvalue); | |
1029 | ||
1ac608c9 | 1030 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
1031 | if (r < 0) |
1032 | return r; | |
1033 | ||
1ac608c9 | 1034 | if (!hostname_is_valid(hn, false)) { |
ab24039f ZJS |
1035 | log_syntax(unit, LOG_ERR, filename, line, 0, |
1036 | "Hostname is not valid, ignoring assignment: %s", rvalue); | |
a7d0ef44 SS |
1037 | return 0; |
1038 | } | |
1039 | ||
6528693a YW |
1040 | r = dns_name_is_valid(hn); |
1041 | if (r < 0) { | |
ab24039f ZJS |
1042 | log_syntax(unit, LOG_ERR, filename, line, r, |
1043 | "Failed to check validity of hostname '%s', ignoring assignment: %m", rvalue); | |
6528693a YW |
1044 | return 0; |
1045 | } | |
1046 | if (r == 0) { | |
ab24039f ZJS |
1047 | log_syntax(unit, LOG_ERR, filename, line, 0, |
1048 | "Hostname is not a valid DNS domain name, ignoring assignment: %s", rvalue); | |
6528693a YW |
1049 | return 0; |
1050 | } | |
1051 | ||
1052 | return free_and_replace(*hostname, hn); | |
a7d0ef44 | 1053 | } |
8eb9058d LP |
1054 | |
1055 | int config_parse_timezone( | |
1056 | const char *unit, | |
1057 | const char *filename, | |
1058 | unsigned line, | |
1059 | const char *section, | |
1060 | unsigned section_line, | |
1061 | const char *lvalue, | |
1062 | int ltype, | |
1063 | const char *rvalue, | |
1064 | void *data, | |
1065 | void *userdata) { | |
1066 | ||
19f9e4e2 YW |
1067 | _cleanup_free_ char *tz = NULL; |
1068 | char **datap = data; | |
8eb9058d LP |
1069 | int r; |
1070 | ||
1071 | assert(filename); | |
1072 | assert(lvalue); | |
1073 | assert(rvalue); | |
1074 | ||
1075 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1076 | if (r < 0) | |
1077 | return r; | |
1078 | ||
089fb865 | 1079 | if (!timezone_is_valid(tz, LOG_ERR)) { |
ab24039f ZJS |
1080 | log_syntax(unit, LOG_ERR, filename, line, 0, |
1081 | "Timezone is not valid, ignoring assignment: %s", rvalue); | |
8eb9058d LP |
1082 | return 0; |
1083 | } | |
1084 | ||
19f9e4e2 | 1085 | return free_and_replace(*datap, tz); |
8eb9058d | 1086 | } |
1a04db0f | 1087 | |
53253824 SS |
1088 | int config_parse_dns( |
1089 | const char *unit, | |
1090 | const char *filename, | |
1091 | unsigned line, | |
1092 | const char *section, | |
1093 | unsigned section_line, | |
1094 | const char *lvalue, | |
1095 | int ltype, | |
1096 | const char *rvalue, | |
1097 | void *data, | |
1098 | void *userdata) { | |
1099 | ||
1100 | Network *n = userdata; | |
1101 | int r; | |
1102 | ||
1103 | assert(filename); | |
1104 | assert(lvalue); | |
1105 | assert(rvalue); | |
1106 | ||
1107 | for (;;) { | |
1108 | _cleanup_free_ char *w = NULL; | |
1109 | union in_addr_union a; | |
5512a963 | 1110 | struct in_addr_data *m; |
53253824 SS |
1111 | int family; |
1112 | ||
5512a963 | 1113 | r = extract_first_word(&rvalue, &w, NULL, 0); |
53253824 SS |
1114 | if (r == -ENOMEM) |
1115 | return log_oom(); | |
1116 | if (r < 0) { | |
ab24039f ZJS |
1117 | log_syntax(unit, LOG_ERR, filename, line, r, |
1118 | "Invalid syntax, ignoring: %s", rvalue); | |
53253824 SS |
1119 | break; |
1120 | } | |
5512a963 LP |
1121 | if (r == 0) |
1122 | break; | |
53253824 SS |
1123 | |
1124 | r = in_addr_from_string_auto(w, &family, &a); | |
1125 | if (r < 0) { | |
ab24039f ZJS |
1126 | log_syntax(unit, LOG_ERR, filename, line, r, |
1127 | "Failed to parse dns server address, ignoring: %s", w); | |
53253824 SS |
1128 | continue; |
1129 | } | |
1130 | ||
62d74c78 | 1131 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_data)); |
5512a963 | 1132 | if (!m) |
53253824 SS |
1133 | return log_oom(); |
1134 | ||
5512a963 LP |
1135 | m[n->n_dns++] = (struct in_addr_data) { |
1136 | .family = family, | |
1137 | .address = a, | |
1138 | }; | |
1139 | ||
1140 | n->dns = m; | |
53253824 SS |
1141 | } |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
8a516214 LP |
1146 | int config_parse_dnssec_negative_trust_anchors( |
1147 | const char *unit, | |
1148 | const char *filename, | |
1149 | unsigned line, | |
1150 | const char *section, | |
1151 | unsigned section_line, | |
1152 | const char *lvalue, | |
1153 | int ltype, | |
1154 | const char *rvalue, | |
1155 | void *data, | |
1156 | void *userdata) { | |
1157 | ||
1158 | const char *p = rvalue; | |
1159 | Network *n = data; | |
1160 | int r; | |
1161 | ||
3df9bec5 | 1162 | assert(n); |
8a516214 LP |
1163 | assert(lvalue); |
1164 | assert(rvalue); | |
1165 | ||
1166 | if (isempty(rvalue)) { | |
1167 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1168 | return 0; | |
1169 | } | |
1170 | ||
1171 | for (;;) { | |
1172 | _cleanup_free_ char *w = NULL; | |
1173 | ||
1174 | r = extract_first_word(&p, &w, NULL, 0); | |
1175 | if (r < 0) { | |
ab24039f ZJS |
1176 | log_syntax(unit, LOG_ERR, filename, line, r, |
1177 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); | |
8a516214 LP |
1178 | break; |
1179 | } | |
1180 | if (r == 0) | |
1181 | break; | |
1182 | ||
1183 | r = dns_name_is_valid(w); | |
1184 | if (r <= 0) { | |
ab24039f ZJS |
1185 | log_syntax(unit, LOG_ERR, filename, line, r, |
1186 | "%s is not a valid domain name, ignoring.", w); | |
8a516214 LP |
1187 | continue; |
1188 | } | |
1189 | ||
cbbf38ae LP |
1190 | r = set_ensure_allocated(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops); |
1191 | if (r < 0) | |
1192 | return log_oom(); | |
1193 | ||
8a516214 LP |
1194 | r = set_put(n->dnssec_negative_trust_anchors, w); |
1195 | if (r < 0) | |
1196 | return log_oom(); | |
1197 | if (r > 0) | |
1198 | w = NULL; | |
1199 | } | |
1200 | ||
1201 | return 0; | |
1202 | } | |
b2a81c0b | 1203 | |
26575990 LP |
1204 | int config_parse_ntp( |
1205 | const char *unit, | |
1206 | const char *filename, | |
1207 | unsigned line, | |
1208 | const char *section, | |
1209 | unsigned section_line, | |
1210 | const char *lvalue, | |
1211 | int ltype, | |
1212 | const char *rvalue, | |
1213 | void *data, | |
1214 | void *userdata) { | |
1215 | ||
1216 | char ***l = data; | |
1217 | int r; | |
1218 | ||
1219 | assert(l); | |
1220 | assert(lvalue); | |
1221 | assert(rvalue); | |
1222 | ||
1223 | if (isempty(rvalue)) { | |
1224 | *l = strv_free(*l); | |
1225 | return 0; | |
1226 | } | |
1227 | ||
1228 | for (;;) { | |
1229 | _cleanup_free_ char *w = NULL; | |
1230 | ||
1231 | r = extract_first_word(&rvalue, &w, NULL, 0); | |
1232 | if (r == -ENOMEM) | |
1233 | return log_oom(); | |
1234 | if (r < 0) { | |
ab24039f ZJS |
1235 | log_syntax(unit, LOG_ERR, filename, line, r, |
1236 | "Failed to extract NTP server name, ignoring: %s", rvalue); | |
26575990 LP |
1237 | break; |
1238 | } | |
1239 | if (r == 0) | |
1240 | break; | |
1241 | ||
1242 | r = dns_name_is_valid_or_address(w); | |
1243 | if (r <= 0) { | |
ab24039f ZJS |
1244 | log_syntax(unit, LOG_ERR, filename, line, r, |
1245 | "%s is not a valid domain name or IP address, ignoring.", w); | |
26575990 | 1246 | continue; |
af1c0de0 SS |
1247 | } |
1248 | ||
c448459d ZJS |
1249 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1250 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1251 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1252 | MAX_NTP_SERVERS, w); | |
1253 | break; | |
1254 | } | |
1255 | ||
1256 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1257 | if (r < 0) |
1258 | return log_oom(); | |
af1c0de0 SS |
1259 | } |
1260 | ||
1261 | return 0; | |
1262 | } | |
1263 | ||
4ac77d63 YW |
1264 | int config_parse_required_for_online( |
1265 | const char *unit, | |
1266 | const char *filename, | |
1267 | unsigned line, | |
1268 | const char *section, | |
1269 | unsigned section_line, | |
1270 | const char *lvalue, | |
1271 | int ltype, | |
1272 | const char *rvalue, | |
1273 | void *data, | |
1274 | void *userdata) { | |
1275 | ||
1276 | Network *network = data; | |
1277 | LinkOperationalState s; | |
1278 | bool required = true; | |
1279 | int r; | |
1280 | ||
1281 | if (isempty(rvalue)) { | |
1282 | network->required_for_online = true; | |
1283 | network->required_operstate_for_online = LINK_OPERSTATE_DEGRADED; | |
1284 | return 0; | |
1285 | } | |
1286 | ||
1287 | s = link_operstate_from_string(rvalue); | |
1288 | if (s < 0) { | |
1289 | r = parse_boolean(rvalue); | |
1290 | if (r < 0) { | |
1291 | log_syntax(unit, LOG_ERR, filename, line, r, | |
1292 | "Failed to parse %s= setting, ignoring assignment: %s", | |
1293 | lvalue, rvalue); | |
1294 | return 0; | |
1295 | } | |
1296 | ||
1297 | required = r; | |
1298 | s = LINK_OPERSTATE_DEGRADED; | |
1299 | } | |
1300 | ||
1301 | network->required_for_online = required; | |
1302 | network->required_operstate_for_online = s; | |
1303 | ||
1304 | return 0; | |
1305 | } | |
7da377ef SS |
1306 | |
1307 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, | |
1308 | "Failed to parse KeepConfiguration= setting"); | |
1309 | ||
1310 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1311 | [KEEP_CONFIGURATION_NO] = "no", |
1312 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1313 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1314 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1315 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1316 | }; |
1317 | ||
1318 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); |