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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> |
a0b191b7 | 6 | #include <unistd.h> |
69a93e7d | 7 | |
b5efdb8a | 8 | #include "alloc-util.h" |
f579559b TG |
9 | #include "conf-files.h" |
10 | #include "conf-parser.h" | |
37de2509 | 11 | #include "dns-domain.h" |
3ffd4af2 | 12 | #include "fd-util.h" |
07630cea | 13 | #include "hostname-util.h" |
88295a05 | 14 | #include "in-addr-util.h" |
564ca984 | 15 | #include "networkd-dhcp-server.h" |
fc2f9534 | 16 | #include "network-internal.h" |
fb486c90 | 17 | #include "networkd-address-label.h" |
ee446d57 | 18 | #include "networkd-fdb.h" |
23f53b99 | 19 | #include "networkd-manager.h" |
dbf63196 | 20 | #include "networkd-mdb.h" |
1939ebeb | 21 | #include "networkd-neighbor.h" |
3ffd4af2 | 22 | #include "networkd-network.h" |
75156ccb | 23 | #include "networkd-nexthop.h" |
b5ce4047 | 24 | #include "networkd-radv.h" |
ca183bf8 | 25 | #include "networkd-routing-policy-rule.h" |
518cd6b5 | 26 | #include "networkd-sriov.h" |
6bedfcbb | 27 | #include "parse-util.h" |
b0c82192 | 28 | #include "path-lookup.h" |
8a516214 | 29 | #include "set.h" |
cebe1257 | 30 | #include "socket-util.h" |
8fcde012 | 31 | #include "stat-util.h" |
8b43440b | 32 | #include "string-table.h" |
07630cea | 33 | #include "string-util.h" |
700f1186 | 34 | #include "strv.h" |
34658df2 | 35 | #include "tc.h" |
07630cea | 36 | #include "util.h" |
f579559b | 37 | |
c448459d ZJS |
38 | /* Let's assume that anything above this number is a user misconfiguration. */ |
39 | #define MAX_NTP_SERVERS 128 | |
40 | ||
add8d07d | 41 | /* Set defaults following RFC7844 */ |
42 | void network_apply_anonymize_if_set(Network *network) { | |
43 | if (!network->dhcp_anonymize) | |
44 | return; | |
45 | /* RFC7844 3.7 | |
46 | SHOULD NOT send the Host Name option */ | |
47 | network->dhcp_send_hostname = false; | |
48 | /* RFC7844 section 3.: | |
49 | MAY contain the Client Identifier option | |
50 | Section 3.5: | |
51 | clients MUST use client identifiers based solely | |
52 | on the link-layer address */ | |
53 | /* NOTE: Using MAC, as it does not reveal extra information, | |
54 | * and some servers might not answer if this option is not sent */ | |
55 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
56 | /* RFC 7844 3.10: | |
57 | SHOULD NOT use the Vendor Class Identifier option */ | |
727ba17f | 58 | network->dhcp_vendor_class_identifier = mfree(network->dhcp_vendor_class_identifier); |
add8d07d | 59 | /* RFC7844 section 3.6.: |
60 | The client intending to protect its privacy SHOULD only request a | |
61 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
43bf2874 | 62 | the ordering of option codes in the PRL. If this random ordering |
add8d07d | 63 | cannot be implemented, the client MAY order the option codes in the |
64 | PRL by option code number (lowest to highest). | |
65 | */ | |
66 | /* NOTE: dhcp_use_mtu is false by default, | |
67 | * though it was not initiallized to any value in network_load_one. | |
68 | * Maybe there should be another var called *send*? | |
69 | * (to use the MTU sent by the server but to do not send | |
70 | * the option in the PRL). */ | |
71 | network->dhcp_use_mtu = false; | |
28522b0d | 72 | /* NOTE: when Anonymize=yes, the PRL route options are sent by default, |
73 | * but this is needed to use them. */ | |
74 | network->dhcp_use_routes = true; | |
add8d07d | 75 | /* RFC7844 section 3.6. |
76 | * same comments as previous option */ | |
77 | network->dhcp_use_timezone = false; | |
78 | } | |
79 | ||
cebe1257 YW |
80 | static int network_resolve_netdev_one(Network *network, const char *name, NetDevKind kind, NetDev **ret_netdev) { |
81 | const char *kind_string; | |
82 | NetDev *netdev; | |
83 | int r; | |
84 | ||
96db6412 YW |
85 | /* For test-networkd-conf, the check must be earlier than the assertions. */ |
86 | if (!name) | |
87 | return 0; | |
88 | ||
cebe1257 YW |
89 | assert(network); |
90 | assert(network->manager); | |
91 | assert(network->filename); | |
92 | assert(ret_netdev); | |
93 | ||
cebe1257 YW |
94 | if (kind == _NETDEV_KIND_TUNNEL) |
95 | kind_string = "tunnel"; | |
96 | else { | |
97 | kind_string = netdev_kind_to_string(kind); | |
98 | if (!kind_string) | |
99 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
100 | "%s: Invalid NetDev kind of %s, ignoring assignment.", | |
101 | network->filename, name); | |
102 | } | |
103 | ||
104 | r = netdev_get(network->manager, name, &netdev); | |
105 | if (r < 0) | |
106 | return log_error_errno(r, "%s: %s NetDev could not be found, ignoring assignment.", | |
107 | network->filename, name); | |
108 | ||
109 | if (netdev->kind != kind && !(kind == _NETDEV_KIND_TUNNEL && | |
110 | IN_SET(netdev->kind, | |
111 | NETDEV_KIND_IPIP, | |
112 | NETDEV_KIND_SIT, | |
113 | NETDEV_KIND_GRE, | |
114 | NETDEV_KIND_GRETAP, | |
115 | NETDEV_KIND_IP6GRE, | |
116 | NETDEV_KIND_IP6GRETAP, | |
117 | NETDEV_KIND_VTI, | |
118 | NETDEV_KIND_VTI6, | |
9282f75b YW |
119 | NETDEV_KIND_IP6TNL, |
120 | NETDEV_KIND_ERSPAN))) | |
cebe1257 YW |
121 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
122 | "%s: NetDev %s is not a %s, ignoring assignment", | |
123 | network->filename, name, kind_string); | |
124 | ||
125 | *ret_netdev = netdev_ref(netdev); | |
126 | return 1; | |
127 | } | |
128 | ||
129 | static int network_resolve_stacked_netdevs(Network *network) { | |
130 | void *name, *kind; | |
cebe1257 YW |
131 | int r; |
132 | ||
133 | assert(network); | |
134 | ||
90e74a66 | 135 | HASHMAP_FOREACH_KEY(kind, name, network->stacked_netdev_names) { |
cebe1257 YW |
136 | _cleanup_(netdev_unrefp) NetDev *netdev = NULL; |
137 | ||
138 | r = network_resolve_netdev_one(network, name, PTR_TO_INT(kind), &netdev); | |
139 | if (r <= 0) | |
140 | continue; | |
141 | ||
142 | r = hashmap_ensure_allocated(&network->stacked_netdevs, &string_hash_ops); | |
143 | if (r < 0) | |
144 | return log_oom(); | |
145 | ||
146 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); | |
147 | if (r < 0) | |
148 | return log_error_errno(r, "%s: Failed to add NetDev '%s' to network: %m", | |
149 | network->filename, (const char *) name); | |
150 | ||
151 | netdev = NULL; | |
152 | } | |
153 | ||
154 | return 0; | |
155 | } | |
156 | ||
96db6412 | 157 | int network_verify(Network *network) { |
34658df2 | 158 | TrafficControl *tc; |
518cd6b5 | 159 | SRIOV *sr_iov; |
0321cea7 YW |
160 | |
161 | assert(network); | |
162 | assert(network->filename); | |
163 | ||
4bb7cc82 YW |
164 | if (set_isempty(network->match_mac) && set_isempty(network->match_permanent_mac) && |
165 | strv_isempty(network->match_path) && strv_isempty(network->match_driver) && | |
166 | strv_isempty(network->match_type) && strv_isempty(network->match_name) && | |
25c86e4c DDM |
167 | strv_isempty(network->match_property) && strv_isempty(network->match_wlan_iftype) && |
168 | strv_isempty(network->match_ssid) && !network->conditions) | |
dade7349 ZJS |
169 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
170 | "%s: No valid settings found in the [Match] section, ignoring file. " | |
171 | "To match all interfaces, add Name=* in the [Match] section.", | |
172 | network->filename); | |
84ea567e | 173 | |
cebe1257 | 174 | /* skip out early if configuration does not match the environment */ |
a0b191b7 | 175 | if (!condition_test_list(network->conditions, environ, NULL, NULL, NULL)) |
cebe1257 | 176 | return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), |
3772cfde ZJS |
177 | "%s: Conditions in the file do not match the system environment, skipping.", |
178 | network->filename); | |
cebe1257 YW |
179 | |
180 | (void) network_resolve_netdev_one(network, network->bond_name, NETDEV_KIND_BOND, &network->bond); | |
181 | (void) network_resolve_netdev_one(network, network->bridge_name, NETDEV_KIND_BRIDGE, &network->bridge); | |
182 | (void) network_resolve_netdev_one(network, network->vrf_name, NETDEV_KIND_VRF, &network->vrf); | |
183 | (void) network_resolve_stacked_netdevs(network); | |
184 | ||
185 | /* Free unnecessary entries. */ | |
186 | network->bond_name = mfree(network->bond_name); | |
187 | network->bridge_name = mfree(network->bridge_name); | |
188 | network->vrf_name = mfree(network->vrf_name); | |
189 | network->stacked_netdev_names = hashmap_free_free_key(network->stacked_netdev_names); | |
190 | ||
0321cea7 YW |
191 | if (network->bond) { |
192 | /* Bonding slave does not support addressing. */ | |
193 | if (network->ipv6_accept_ra > 0) { | |
ab24039f ZJS |
194 | log_warning("%s: Cannot enable IPv6AcceptRA= when Bond= is specified, disabling IPv6AcceptRA=.", |
195 | network->filename); | |
0321cea7 YW |
196 | network->ipv6_accept_ra = 0; |
197 | } | |
198 | if (network->link_local >= 0 && network->link_local != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
199 | log_warning("%s: Cannot enable LinkLocalAddressing= when Bond= is specified, disabling LinkLocalAddressing=.", |
200 | network->filename); | |
0321cea7 YW |
201 | network->link_local = ADDRESS_FAMILY_NO; |
202 | } | |
203 | if (network->dhcp != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
204 | log_warning("%s: Cannot enable DHCP= when Bond= is specified, disabling DHCP=.", |
205 | network->filename); | |
0321cea7 YW |
206 | network->dhcp = ADDRESS_FAMILY_NO; |
207 | } | |
208 | if (network->dhcp_server) { | |
ab24039f ZJS |
209 | log_warning("%s: Cannot enable DHCPServer= when Bond= is specified, disabling DHCPServer=.", |
210 | network->filename); | |
0321cea7 YW |
211 | network->dhcp_server = false; |
212 | } | |
9cd9fc8f | 213 | if (!ordered_hashmap_isempty(network->addresses_by_section)) |
ab24039f ZJS |
214 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
215 | network->filename); | |
2a54a044 | 216 | if (!hashmap_isempty(network->routes_by_section)) |
ab24039f ZJS |
217 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
218 | network->filename); | |
9cd9fc8f YW |
219 | |
220 | network->addresses_by_section = ordered_hashmap_free_with_destructor(network->addresses_by_section, address_free); | |
2a54a044 | 221 | network->routes_by_section = hashmap_free_with_destructor(network->routes_by_section, route_free); |
0321cea7 YW |
222 | } |
223 | ||
224 | if (network->link_local < 0) | |
8f191801 YW |
225 | network->link_local = network->bridge ? ADDRESS_FAMILY_NO : ADDRESS_FAMILY_IPV6; |
226 | ||
44013aa4 YW |
227 | if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) { |
228 | if (network->ipv6_accept_ra > 0) { | |
229 | log_warning("%s: IPv6AcceptRA= is enabled by the .network file but IPv6 link local addressing is disabled. " | |
230 | "Disabling IPv6AcceptRA=.", network->filename); | |
231 | network->ipv6_accept_ra = false; | |
232 | } | |
233 | ||
234 | if (FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV6)) { | |
235 | log_warning("%s: DHCPv6 client is enabled by the .network file but IPv6 link local addressing is disabled. " | |
236 | "Disabling DHCPv6 client.", network->filename); | |
237 | SET_FLAG(network->dhcp, ADDRESS_FAMILY_IPV6, false); | |
238 | } | |
239 | ||
240 | if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE) { | |
241 | log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. " | |
242 | "Disabling IPv6PrefixDelegation=.", network->filename); | |
243 | network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE; | |
244 | } | |
245 | } | |
246 | ||
29e81083 YW |
247 | if (FLAGS_SET(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4) && |
248 | !FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV4)) { | |
249 | log_warning("%s: fallback assignment of IPv4 link local address is enabled but DHCPv4 is disabled. " | |
250 | "Disabling the fallback assignment.", network->filename); | |
251 | SET_FLAG(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4, false); | |
252 | } | |
253 | ||
8f191801 YW |
254 | if (network->ipv6_accept_ra < 0 && network->bridge) |
255 | network->ipv6_accept_ra = false; | |
0321cea7 YW |
256 | |
257 | /* IPMasquerade=yes implies IPForward=yes */ | |
258 | if (network->ip_masquerade) | |
259 | network->ip_forward |= ADDRESS_FAMILY_IPV4; | |
260 | ||
933c70a0 | 261 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
262 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
263 | "Disabling UseMTU=.", network->filename); | |
264 | network->dhcp_use_mtu = false; | |
265 | } | |
266 | ||
589397a2 DS |
267 | if (network->dhcp_use_gateway < 0) |
268 | network->dhcp_use_gateway = network->dhcp_use_routes; | |
269 | ||
bd0d471c DS |
270 | if (network->ignore_carrier_loss < 0) |
271 | network->ignore_carrier_loss = network->configure_without_carrier; | |
272 | ||
7da377ef SS |
273 | if (network->dhcp_critical >= 0) { |
274 | if (network->keep_configuration >= 0) | |
275 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
276 | "Ignoring CriticalConnection=.", network->filename); | |
277 | else if (network->dhcp_critical) | |
278 | /* CriticalConnection=yes also preserve foreign static configurations. */ | |
279 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
280 | else | |
80060352 | 281 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
282 | } |
283 | ||
284 | if (network->keep_configuration < 0) | |
80060352 | 285 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 286 | |
87851e0f YW |
287 | if (network->ipv6_proxy_ndp == 0 && !set_isempty(network->ipv6_proxy_ndp_addresses)) { |
288 | log_warning("%s: IPv6ProxyNDP= is disabled. Ignoring IPv6ProxyNDPAddress=.", network->filename); | |
289 | network->ipv6_proxy_ndp_addresses = set_free_free(network->ipv6_proxy_ndp_addresses); | |
290 | } | |
291 | ||
32400c2f | 292 | network_verify_addresses(network); |
d9940a3f | 293 | network_verify_routes(network); |
0992f9fb | 294 | network_verify_nexthops(network); |
e6ad630d | 295 | network_verify_fdb_entries(network); |
ee4522ce | 296 | network_verify_mdb_entries(network); |
78ada14f | 297 | network_verify_neighbors(network); |
ab316813 | 298 | network_verify_address_labels(network); |
1a7deb2f YW |
299 | network_verify_prefixes(network); |
300 | network_verify_route_prefixes(network); | |
50a3682f | 301 | network_verify_routing_policy_rules(network); |
4912ab77 | 302 | |
8efb93f0 | 303 | bool has_root = false, has_clsact = false; |
90e74a66 | 304 | ORDERED_HASHMAP_FOREACH(tc, network->tc_by_section) |
34658df2 YW |
305 | if (traffic_control_section_verify(tc, &has_root, &has_clsact) < 0) |
306 | traffic_control_free(tc); | |
8efb93f0 | 307 | |
90e74a66 | 308 | ORDERED_HASHMAP_FOREACH(sr_iov, network->sr_iov_by_section) |
518cd6b5 SS |
309 | if (sr_iov_section_verify(sr_iov) < 0) |
310 | sr_iov_free(sr_iov); | |
311 | ||
0321cea7 YW |
312 | return 0; |
313 | } | |
314 | ||
7f06b3e1 | 315 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 316 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 317 | _cleanup_(network_unrefp) Network *network = NULL; |
f579559b | 318 | _cleanup_fclose_ FILE *file = NULL; |
047a0dac | 319 | const char *dropin_dirname; |
838b2f7a | 320 | char *d; |
f579559b TG |
321 | int r; |
322 | ||
bf1bc670 TA |
323 | assert(manager); |
324 | assert(filename); | |
325 | ||
f579559b TG |
326 | file = fopen(filename, "re"); |
327 | if (!file) { | |
328 | if (errno == ENOENT) | |
329 | return 0; | |
1e7a0e21 LP |
330 | |
331 | return -errno; | |
f579559b TG |
332 | } |
333 | ||
ed88bcfb ZJS |
334 | if (null_or_empty_fd(fileno(file))) { |
335 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
336 | return 0; |
337 | } | |
338 | ||
838b2f7a YW |
339 | fname = strdup(filename); |
340 | if (!fname) | |
341 | return log_oom(); | |
342 | ||
343 | name = strdup(basename(filename)); | |
344 | if (!name) | |
345 | return log_oom(); | |
346 | ||
347 | d = strrchr(name, '.'); | |
348 | if (!d) | |
349 | return -EINVAL; | |
350 | ||
351 | *d = '\0'; | |
352 | ||
353 | dropin_dirname = strjoina(name, ".network.d"); | |
354 | ||
17f9c355 | 355 | network = new(Network, 1); |
f579559b TG |
356 | if (!network) |
357 | return log_oom(); | |
358 | ||
17f9c355 | 359 | *network = (Network) { |
838b2f7a YW |
360 | .filename = TAKE_PTR(fname), |
361 | .name = TAKE_PTR(name), | |
17f9c355 | 362 | |
715d398e | 363 | .manager = manager, |
35ac3b76 YW |
364 | .n_ref = 1, |
365 | ||
17f9c355 | 366 | .required_for_online = true, |
75cd4a5d | 367 | .required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT, |
17f9c355 | 368 | .dhcp = ADDRESS_FAMILY_NO, |
7da377ef | 369 | .dhcp_critical = -1, |
17f9c355 | 370 | .dhcp_use_ntp = true, |
299d578f | 371 | .dhcp_use_sip = true, |
17f9c355 YW |
372 | .dhcp_use_dns = true, |
373 | .dhcp_use_hostname = true, | |
374 | .dhcp_use_routes = true, | |
589397a2 | 375 | .dhcp_use_gateway = -1, |
5238e957 | 376 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 | 377 | .dhcp_send_hostname = true, |
5f3b5f19 | 378 | .dhcp_send_release = true, |
17f9c355 YW |
379 | /* To enable/disable RFC7844 Anonymity Profiles */ |
380 | .dhcp_anonymize = false, | |
381 | .dhcp_route_metric = DHCP_ROUTE_METRIC, | |
c9c908a6 | 382 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 YW |
383 | .dhcp_client_identifier = DHCP_CLIENT_ID_DUID, |
384 | .dhcp_route_table = RT_TABLE_MAIN, | |
385 | .dhcp_route_table_set = false, | |
386 | /* NOTE: from man: UseMTU=... Defaults to false*/ | |
387 | .dhcp_use_mtu = false, | |
388 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ | |
389 | .dhcp_use_timezone = false, | |
390 | .rapid_commit = true, | |
391 | ||
1bf1bfd9 | 392 | .dhcp6_route_metric = DHCP_ROUTE_METRIC, |
caa8ca42 SS |
393 | .dhcp6_use_ntp = true, |
394 | .dhcp6_use_dns = true, | |
395 | ||
99e015e2 YW |
396 | .dhcp6_pd_subnet_id = -1, |
397 | .dhcp6_pd_assign = true, | |
9efa8a3c | 398 | |
2a71d57f LP |
399 | .dhcp_server_emit[SD_DHCP_LEASE_DNS].emit = true, |
400 | .dhcp_server_emit[SD_DHCP_LEASE_NTP].emit = true, | |
401 | .dhcp_server_emit[SD_DHCP_LEASE_SIP].emit = true, | |
402 | ||
17f9c355 YW |
403 | .dhcp_server_emit_router = true, |
404 | .dhcp_server_emit_timezone = true, | |
405 | ||
406 | .router_emit_dns = true, | |
407 | .router_emit_domains = true, | |
408 | ||
409 | .use_bpdu = -1, | |
410 | .hairpin = -1, | |
411 | .fast_leave = -1, | |
412 | .allow_port_to_be_root = -1, | |
413 | .unicast_flood = -1, | |
7f15b714 | 414 | .multicast_flood = -1, |
d3aa8b49 | 415 | .multicast_to_unicast = -1, |
7f15b714 TJ |
416 | .neighbor_suppression = -1, |
417 | .learning = -1, | |
1087623b SS |
418 | .bridge_proxy_arp = -1, |
419 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 420 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 421 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 YW |
422 | |
423 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, | |
424 | ||
7ece6f58 | 425 | .dns_default_route = -1, |
17f9c355 YW |
426 | .llmnr = RESOLVE_SUPPORT_YES, |
427 | .mdns = RESOLVE_SUPPORT_NO, | |
428 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
429 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
430 | ||
0321cea7 | 431 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 432 | .link_local = _ADDRESS_FAMILY_INVALID, |
6f6296b9 | 433 | .ipv6ll_address_gen_mode = _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID, |
17f9c355 | 434 | |
94d76d07 YW |
435 | .ipv4_accept_local = -1, |
436 | ||
17f9c355 YW |
437 | .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO, |
438 | .ipv6_accept_ra = -1, | |
439 | .ipv6_dad_transmits = -1, | |
440 | .ipv6_hop_limit = -1, | |
441 | .ipv6_proxy_ndp = -1, | |
442 | .duid.type = _DUID_TYPE_INVALID, | |
443 | .proxy_arp = -1, | |
444 | .arp = -1, | |
445 | .multicast = -1, | |
446 | .allmulticast = -1, | |
447 | .ipv6_accept_ra_use_dns = true, | |
062c2eea SS |
448 | .ipv6_accept_ra_use_autonomous_prefix = true, |
449 | .ipv6_accept_ra_use_onlink_prefix = true, | |
17f9c355 | 450 | .ipv6_accept_ra_route_table = RT_TABLE_MAIN, |
d5fa3339 | 451 | .ipv6_accept_ra_route_table_set = false, |
d739fdde | 452 | .ipv6_accept_ra_start_dhcp6_client = true, |
c423be28 | 453 | |
bd0d471c DS |
454 | .configure_without_carrier = false, |
455 | .ignore_carrier_loss = -1, | |
7da377ef | 456 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, |
c423be28 | 457 | .can_triple_sampling = -1, |
52aa38f1 | 458 | .can_termination = -1, |
f594b5fe CG |
459 | .can_listen_only = -1, |
460 | .can_fd_mode = -1, | |
461 | .can_non_iso = -1, | |
afe42aef | 462 | .ip_service_type = -1, |
17f9c355 | 463 | }; |
f579559b | 464 | |
4f9ff96a LP |
465 | r = config_parse_many( |
466 | filename, NETWORK_DIRS, dropin_dirname, | |
467 | "Match\0" | |
468 | "Link\0" | |
518cd6b5 | 469 | "SR-IOV\0" |
4f9ff96a LP |
470 | "Network\0" |
471 | "Address\0" | |
472 | "Neighbor\0" | |
473 | "IPv6AddressLabel\0" | |
474 | "RoutingPolicyRule\0" | |
475 | "Route\0" | |
476 | "NextHop\0" | |
477 | "DHCP\0" /* compat */ | |
478 | "DHCPv4\0" | |
479 | "DHCPv6\0" | |
b209cff2 | 480 | "DHCPv6PrefixDelegation\0" |
4f9ff96a LP |
481 | "DHCPServer\0" |
482 | "IPv6AcceptRA\0" | |
483 | "IPv6NDPProxyAddress\0" | |
484 | "Bridge\0" | |
485 | "BridgeFDB\0" | |
3db468ea | 486 | "BridgeMDB\0" |
4f9ff96a LP |
487 | "BridgeVLAN\0" |
488 | "IPv6PrefixDelegation\0" | |
489 | "IPv6Prefix\0" | |
490 | "IPv6RoutePrefix\0" | |
491 | "LLDP\0" | |
492 | "TrafficControlQueueingDiscipline\0" | |
493 | "CAN\0" | |
494 | "QDisc\0" | |
495 | "BFIFO\0" | |
496 | "CAKE\0" | |
497 | "ControlledDelay\0" | |
498 | "DeficitRoundRobinScheduler\0" | |
499 | "DeficitRoundRobinSchedulerClass\0" | |
d474aa51 | 500 | "EnhancedTransmissionSelection\0" |
4f9ff96a LP |
501 | "FairQueueing\0" |
502 | "FairQueueingControlledDelay\0" | |
8f6b6d70 | 503 | "FlowQueuePIE\0" |
4f9ff96a LP |
504 | "GenericRandomEarlyDetection\0" |
505 | "HeavyHitterFilter\0" | |
506 | "HierarchyTokenBucket\0" | |
507 | "HierarchyTokenBucketClass\0" | |
508 | "NetworkEmulator\0" | |
b12aaee5 SS |
509 | "PFIFO\0" |
510 | "PFIFOFast\0" | |
511 | "PFIFOHeadDrop\0" | |
4f9ff96a | 512 | "PIE\0" |
b12aaee5 | 513 | "QuickFairQueueing\0" |
4d7ddaf9 | 514 | "QuickFairQueueingClass\0" |
4f9ff96a LP |
515 | "StochasticFairBlue\0" |
516 | "StochasticFairnessQueueing\0" | |
517 | "TokenBucketFilter\0" | |
518 | "TrivialLinkEqualizer\0", | |
519 | config_item_perf_lookup, network_network_gperf_lookup, | |
520 | CONFIG_PARSE_WARN, | |
521 | network, | |
522 | &network->timestamp); | |
102bc043 | 523 | if (r < 0) |
f579559b | 524 | return r; |
f579559b | 525 | |
add8d07d | 526 | network_apply_anonymize_if_set(network); |
527 | ||
fa7cd711 YW |
528 | r = network_add_ipv4ll_route(network); |
529 | if (r < 0) | |
530 | log_warning_errno(r, "%s: Failed to add IPv4LL route, ignoring: %m", network->filename); | |
531 | ||
5d5003ab YW |
532 | r = network_add_default_route_on_device(network); |
533 | if (r < 0) | |
534 | log_warning_errno(r, "%s: Failed to add default route on device, ignoring: %m", | |
535 | network->filename); | |
536 | ||
7f06b3e1 YW |
537 | if (network_verify(network) < 0) |
538 | /* Ignore .network files that do not match the conditions. */ | |
539 | return 0; | |
540 | ||
541 | r = ordered_hashmap_ensure_allocated(networks, &string_hash_ops); | |
dbffab87 TG |
542 | if (r < 0) |
543 | return r; | |
544 | ||
7f06b3e1 | 545 | r = ordered_hashmap_put(*networks, network->name, network); |
dbffab87 TG |
546 | if (r < 0) |
547 | return r; | |
548 | ||
f579559b | 549 | network = NULL; |
f579559b TG |
550 | return 0; |
551 | } | |
552 | ||
7f06b3e1 | 553 | int network_load(Manager *manager, OrderedHashmap **networks) { |
477e73b5 ZJS |
554 | _cleanup_strv_free_ char **files = NULL; |
555 | char **f; | |
f579559b TG |
556 | int r; |
557 | ||
558 | assert(manager); | |
559 | ||
7f06b3e1 | 560 | ordered_hashmap_clear_with_destructor(*networks, network_unref); |
f579559b | 561 | |
dc0d4078 | 562 | r = conf_files_list_strv(&files, ".network", NULL, 0, NETWORK_DIRS); |
f647962d MS |
563 | if (r < 0) |
564 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b | 565 | |
715d398e | 566 | STRV_FOREACH(f, files) { |
7f06b3e1 | 567 | r = network_load_one(manager, networks, *f); |
f579559b | 568 | if (r < 0) |
be711082 | 569 | log_error_errno(r, "Failed to load %s, ignoring: %m", *f); |
f579559b TG |
570 | } |
571 | ||
f579559b TG |
572 | return 0; |
573 | } | |
574 | ||
7f06b3e1 YW |
575 | int network_reload(Manager *manager) { |
576 | OrderedHashmap *new_networks = NULL; | |
577 | Network *n, *old; | |
7f06b3e1 YW |
578 | int r; |
579 | ||
580 | assert(manager); | |
581 | ||
582 | r = network_load(manager, &new_networks); | |
583 | if (r < 0) | |
584 | goto failure; | |
585 | ||
90e74a66 | 586 | ORDERED_HASHMAP_FOREACH(n, new_networks) { |
7f06b3e1 YW |
587 | r = network_get_by_name(manager, n->name, &old); |
588 | if (r < 0) | |
589 | continue; /* The .network file is new. */ | |
590 | ||
591 | if (n->timestamp != old->timestamp) | |
592 | continue; /* The .network file is modified. */ | |
593 | ||
594 | if (!streq(n->filename, old->filename)) | |
595 | continue; | |
596 | ||
597 | r = ordered_hashmap_replace(new_networks, old->name, old); | |
598 | if (r < 0) | |
599 | goto failure; | |
600 | ||
601 | network_ref(old); | |
602 | network_unref(n); | |
603 | } | |
604 | ||
605 | ordered_hashmap_free_with_destructor(manager->networks, network_unref); | |
606 | manager->networks = new_networks; | |
607 | ||
608 | return 0; | |
609 | ||
610 | failure: | |
611 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
612 | ||
613 | return r; | |
614 | } | |
615 | ||
35ac3b76 | 616 | static Network *network_free(Network *network) { |
f579559b | 617 | if (!network) |
35ac3b76 | 618 | return NULL; |
f579559b TG |
619 | |
620 | free(network->filename); | |
621 | ||
e90d0374 | 622 | set_free_free(network->match_mac); |
4bb7cc82 | 623 | set_free_free(network->match_permanent_mac); |
5256e00e TG |
624 | strv_free(network->match_path); |
625 | strv_free(network->match_driver); | |
626 | strv_free(network->match_type); | |
627 | strv_free(network->match_name); | |
44005bfb | 628 | strv_free(network->match_property); |
78404d22 | 629 | strv_free(network->match_wlan_iftype); |
8d968fdd | 630 | strv_free(network->match_ssid); |
277ba8d1 | 631 | set_free_free(network->match_bssid); |
c4f58dea | 632 | condition_free_list(network->conditions); |
f579559b TG |
633 | |
634 | free(network->description); | |
edb85f0d | 635 | free(network->dhcp_vendor_class_identifier); |
7b8d23a9 | 636 | free(network->dhcp_mudurl); |
af1c0de0 | 637 | strv_free(network->dhcp_user_class); |
27cb34f5 | 638 | free(network->dhcp_hostname); |
6b000af4 | 639 | set_free(network->dhcp_deny_listed_ip); |
98ebef62 | 640 | set_free(network->dhcp_allow_listed_ip); |
5bc945be | 641 | set_free(network->dhcp_request_options); |
35f6a5cb | 642 | set_free(network->dhcp6_request_options); |
c106cc36 | 643 | free(network->mac); |
3175a8c2 | 644 | free(network->dhcp6_mudurl); |
f37f2a6b | 645 | strv_free(network->dhcp6_user_class); |
ed0d1b2e | 646 | strv_free(network->dhcp6_vendor_class); |
c106cc36 | 647 | |
0f3ff4ea SS |
648 | if (network->dhcp_acd) |
649 | sd_ipv4acd_unref(network->dhcp_acd); | |
650 | ||
b0e39c82 | 651 | strv_free(network->ntp); |
e77bd3fd YW |
652 | for (unsigned i = 0; i < network->n_dns; i++) |
653 | in_addr_full_free(network->dns[i]); | |
5512a963 | 654 | free(network->dns); |
5e2a51d5 ZJS |
655 | ordered_set_free_free(network->search_domains); |
656 | ordered_set_free_free(network->route_domains); | |
0d4ad91d | 657 | strv_free(network->bind_carrier); |
cdd7812b | 658 | |
5e2a51d5 | 659 | ordered_set_free_free(network->router_search_domains); |
cdd7812b | 660 | free(network->router_dns); |
6b000af4 | 661 | set_free_free(network->ndisc_deny_listed_prefix); |
3bef724f | 662 | |
cebe1257 YW |
663 | free(network->bridge_name); |
664 | free(network->bond_name); | |
665 | free(network->vrf_name); | |
666 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 667 | netdev_unref(network->bridge); |
47e2dc31 | 668 | netdev_unref(network->bond); |
6cb955c6 | 669 | netdev_unref(network->vrf); |
fa6f1e54 | 670 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 671 | |
d349f502 | 672 | set_free_free(network->ipv6_proxy_ndp_addresses); |
9cd9fc8f | 673 | ordered_hashmap_free_with_destructor(network->addresses_by_section, address_free); |
2a54a044 | 674 | hashmap_free_with_destructor(network->routes_by_section, route_free); |
b82663dd | 675 | hashmap_free_with_destructor(network->nexthops_by_section, nexthop_free); |
62ed9442 | 676 | hashmap_free_with_destructor(network->fdb_entries_by_section, fdb_entry_free); |
03c9738e | 677 | hashmap_free_with_destructor(network->mdb_entries_by_section, mdb_entry_free); |
b0ba6938 | 678 | hashmap_free_with_destructor(network->neighbors_by_section, neighbor_free); |
d6a2a0f9 | 679 | hashmap_free_with_destructor(network->address_labels_by_section, address_label_free); |
ecb0e85e YW |
680 | hashmap_free_with_destructor(network->prefixes_by_section, prefix_free); |
681 | hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free); | |
ca183bf8 | 682 | hashmap_free_with_destructor(network->rules_by_section, routing_policy_rule_free); |
518cd6b5 | 683 | ordered_hashmap_free_with_destructor(network->sr_iov_by_section, sr_iov_free); |
34658df2 | 684 | ordered_hashmap_free_with_destructor(network->tc_by_section, traffic_control_free); |
6ae115c1 | 685 | |
7f06b3e1 YW |
686 | if (network->manager && |
687 | network->manager->duids_requesting_uuid) | |
688 | set_remove(network->manager->duids_requesting_uuid, &network->duid); | |
dbffab87 TG |
689 | |
690 | free(network->name); | |
f579559b | 691 | |
8eb9058d | 692 | free(network->dhcp_server_timezone); |
2a71d57f LP |
693 | |
694 | for (sd_dhcp_lease_server_type t = 0; t < _SD_DHCP_LEASE_SERVER_TYPE_MAX; t++) | |
695 | free(network->dhcp_server_emit[t].addresses); | |
8eb9058d | 696 | |
8a516214 LP |
697 | set_free_free(network->dnssec_negative_trust_anchors); |
698 | ||
e9a8c550 SS |
699 | free(network->lldp_mud); |
700 | ||
0e96961d | 701 | ordered_hashmap_free(network->dhcp_client_send_options); |
7354900d | 702 | ordered_hashmap_free(network->dhcp_client_send_vendor_options); |
0e96961d | 703 | ordered_hashmap_free(network->dhcp_server_send_options); |
7354900d | 704 | ordered_hashmap_free(network->dhcp_server_send_vendor_options); |
2c621495 | 705 | ordered_set_free(network->ipv6_tokens); |
1c3ec1cd | 706 | ordered_hashmap_free(network->dhcp6_client_send_options); |
b4ccc5de | 707 | ordered_hashmap_free(network->dhcp6_client_send_vendor_options); |
cb29c156 | 708 | |
35ac3b76 | 709 | return mfree(network); |
f579559b TG |
710 | } |
711 | ||
35ac3b76 YW |
712 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
713 | ||
dbffab87 TG |
714 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
715 | Network *network; | |
716 | ||
717 | assert(manager); | |
718 | assert(name); | |
719 | assert(ret); | |
720 | ||
715d398e | 721 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
722 | if (!network) |
723 | return -ENOENT; | |
724 | ||
725 | *ret = network; | |
726 | ||
727 | return 0; | |
728 | } | |
729 | ||
ef62949a | 730 | int network_get(Manager *manager, unsigned short iftype, sd_device *device, |
c643bda5 YW |
731 | const char *ifname, char * const *alternative_names, const char *driver, |
732 | const struct ether_addr *mac, const struct ether_addr *permanent_mac, | |
78404d22 YW |
733 | enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, |
734 | Network **ret) { | |
51517f9e | 735 | Network *network; |
f579559b TG |
736 | |
737 | assert(manager); | |
f579559b | 738 | assert(ret); |
af3aa302 | 739 | |
90e74a66 | 740 | ORDERED_HASHMAP_FOREACH(network, manager->networks) |
4bb7cc82 YW |
741 | if (net_match_config(network->match_mac, network->match_permanent_mac, |
742 | network->match_path, network->match_driver, | |
44005bfb | 743 | network->match_type, network->match_name, network->match_property, |
78404d22 | 744 | network->match_wlan_iftype, network->match_ssid, network->match_bssid, |
c643bda5 | 745 | device, mac, permanent_mac, driver, iftype, |
4bb7cc82 | 746 | ifname, alternative_names, wlan_iftype, ssid, bssid)) { |
24c083df | 747 | if (network->match_name && device) { |
ca6038b8 TG |
748 | const char *attr; |
749 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
750 | ||
51517f9e | 751 | if (sd_device_get_sysattr_value(device, "name_assign_type", &attr) >= 0) |
dc751688 | 752 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
753 | |
754 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
755 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
756 | ifname, network->filename); | |
32bc8adc | 757 | else |
a2fae7bb | 758 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 759 | } else |
a2fae7bb | 760 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 761 | |
f579559b TG |
762 | *ret = network; |
763 | return 0; | |
764 | } | |
f579559b TG |
765 | |
766 | *ret = NULL; | |
767 | ||
768 | return -ENOENT; | |
769 | } | |
770 | ||
7d342c03 | 771 | int network_apply(Network *network, Link *link) { |
c4a03a56 TG |
772 | assert(network); |
773 | assert(link); | |
774 | ||
c9c908a6 | 775 | link->network = network_ref(network); |
f579559b | 776 | |
5512a963 | 777 | if (network->n_dns > 0 || |
3df9bec5 | 778 | !strv_isempty(network->ntp) || |
5e2a51d5 ZJS |
779 | !ordered_set_isempty(network->search_domains) || |
780 | !ordered_set_isempty(network->route_domains)) | |
84de38c5 | 781 | link_dirty(link); |
3bef724f | 782 | |
f579559b TG |
783 | return 0; |
784 | } | |
02b59d57 | 785 | |
adfeee49 | 786 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 787 | Address *address; |
adfeee49 YW |
788 | Route *route; |
789 | FdbEntry *fdb; | |
3db468ea | 790 | MdbEntry *mdb; |
adfeee49 | 791 | Neighbor *neighbor; |
439689c6 SS |
792 | |
793 | assert(network); | |
794 | ||
9cd9fc8f | 795 | ORDERED_HASHMAP_FOREACH(address, network->addresses_by_section) |
439689c6 SS |
796 | if (address->family == AF_INET6) |
797 | return true; | |
adfeee49 | 798 | |
2a54a044 | 799 | HASHMAP_FOREACH(route, network->routes_by_section) |
adfeee49 YW |
800 | if (route->family == AF_INET6) |
801 | return true; | |
802 | ||
62ed9442 | 803 | HASHMAP_FOREACH(fdb, network->fdb_entries_by_section) |
adfeee49 YW |
804 | if (fdb->family == AF_INET6) |
805 | return true; | |
806 | ||
03c9738e | 807 | HASHMAP_FOREACH(mdb, network->mdb_entries_by_section) |
3db468ea DM |
808 | if (mdb->family == AF_INET6) |
809 | return true; | |
810 | ||
b0ba6938 | 811 | HASHMAP_FOREACH(neighbor, network->neighbors_by_section) |
adfeee49 YW |
812 | if (neighbor->family == AF_INET6) |
813 | return true; | |
814 | ||
d6a2a0f9 | 815 | if (!hashmap_isempty(network->address_labels_by_section)) |
adfeee49 YW |
816 | return true; |
817 | ||
ecb0e85e | 818 | if (!hashmap_isempty(network->prefixes_by_section)) |
adfeee49 | 819 | return true; |
d30081c2 YW |
820 | |
821 | if (!hashmap_isempty(network->route_prefixes_by_section)) | |
822 | return true; | |
439689c6 SS |
823 | |
824 | return false; | |
825 | } | |
826 | ||
cebe1257 | 827 | int config_parse_stacked_netdev(const char *unit, |
02b59d57 TG |
828 | const char *filename, |
829 | unsigned line, | |
830 | const char *section, | |
831 | unsigned section_line, | |
832 | const char *lvalue, | |
833 | int ltype, | |
834 | const char *rvalue, | |
835 | void *data, | |
836 | void *userdata) { | |
95dba435 YW |
837 | _cleanup_free_ char *name = NULL; |
838 | NetDevKind kind = ltype; | |
cebe1257 | 839 | Hashmap **h = data; |
02b59d57 TG |
840 | int r; |
841 | ||
842 | assert(filename); | |
843 | assert(lvalue); | |
844 | assert(rvalue); | |
845 | assert(data); | |
95dba435 YW |
846 | assert(IN_SET(kind, |
847 | NETDEV_KIND_VLAN, NETDEV_KIND_MACVLAN, NETDEV_KIND_MACVTAP, | |
69c317a0 | 848 | NETDEV_KIND_IPVLAN, NETDEV_KIND_IPVTAP, NETDEV_KIND_VXLAN, |
98d20a17 | 849 | NETDEV_KIND_L2TP, NETDEV_KIND_MACSEC, _NETDEV_KIND_TUNNEL, |
850 | NETDEV_KIND_XFRM)); | |
54abf461 | 851 | |
cebe1257 | 852 | if (!ifname_valid(rvalue)) { |
d96edb2c | 853 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3772cfde | 854 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
855 | return 0; |
856 | } | |
857 | ||
cebe1257 YW |
858 | name = strdup(rvalue); |
859 | if (!name) | |
860 | return log_oom(); | |
3e570042 | 861 | |
cebe1257 YW |
862 | r = hashmap_ensure_allocated(h, &string_hash_ops); |
863 | if (r < 0) | |
864 | return log_oom(); | |
326cb406 | 865 | |
cebe1257 | 866 | r = hashmap_put(*h, name, INT_TO_PTR(kind)); |
83ec4592 | 867 | if (r < 0) |
d96edb2c | 868 | log_syntax(unit, LOG_WARNING, filename, line, r, |
83ec4592 ZJS |
869 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
870 | else if (r == 0) | |
871 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
872 | "NetDev '%s' specified twice, ignoring.", name); | |
873 | else | |
874 | name = NULL; | |
47e2dc31 | 875 | |
fe6b2d55 TG |
876 | return 0; |
877 | } | |
7951dea2 | 878 | |
3df9bec5 LP |
879 | int config_parse_domains( |
880 | const char *unit, | |
881 | const char *filename, | |
882 | unsigned line, | |
883 | const char *section, | |
884 | unsigned section_line, | |
885 | const char *lvalue, | |
886 | int ltype, | |
887 | const char *rvalue, | |
888 | void *data, | |
889 | void *userdata) { | |
890 | ||
3df9bec5 | 891 | Network *n = data; |
6192b846 TG |
892 | int r; |
893 | ||
3df9bec5 LP |
894 | assert(n); |
895 | assert(lvalue); | |
896 | assert(rvalue); | |
6192b846 | 897 | |
3df9bec5 | 898 | if (isempty(rvalue)) { |
5e2a51d5 ZJS |
899 | n->search_domains = ordered_set_free_free(n->search_domains); |
900 | n->route_domains = ordered_set_free_free(n->route_domains); | |
3df9bec5 LP |
901 | return 0; |
902 | } | |
67272d15 | 903 | |
d96edb2c | 904 | for (const char *p = rvalue;;) { |
3df9bec5 LP |
905 | _cleanup_free_ char *w = NULL, *normalized = NULL; |
906 | const char *domain; | |
907 | bool is_route; | |
908 | ||
909 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
910 | if (r == -ENOMEM) |
911 | return log_oom(); | |
3df9bec5 | 912 | if (r < 0) { |
d96edb2c | 913 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 914 | "Failed to extract search or route domain, ignoring: %s", rvalue); |
d96edb2c | 915 | return 0; |
3df9bec5 LP |
916 | } |
917 | if (r == 0) | |
d96edb2c | 918 | return 0; |
3df9bec5 LP |
919 | |
920 | is_route = w[0] == '~'; | |
921 | domain = is_route ? w + 1 : w; | |
922 | ||
923 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
924 | /* If the root domain appears as is, or the special token "*" is found, we'll |
925 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 926 | is_route = true; |
ab24039f ZJS |
927 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
928 | * domain as "." */ | |
3df9bec5 | 929 | } else { |
7470cc4c | 930 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 931 | if (r < 0) { |
d96edb2c | 932 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 933 | "'%s' is not a valid domain name, ignoring.", domain); |
3df9bec5 LP |
934 | continue; |
935 | } | |
936 | ||
937 | domain = normalized; | |
938 | ||
939 | if (is_localhost(domain)) { | |
d96edb2c | 940 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f ZJS |
941 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", |
942 | domain); | |
37de2509 | 943 | continue; |
3df9bec5 | 944 | } |
37de2509 | 945 | } |
40274ed6 | 946 | |
5e2a51d5 ZJS |
947 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
948 | r = ordered_set_ensure_allocated(set, &string_hash_ops); | |
949 | if (r < 0) | |
d96edb2c | 950 | return log_oom(); |
5e2a51d5 ZJS |
951 | |
952 | r = ordered_set_put_strdup(*set, domain); | |
09451975 LP |
953 | if (r < 0) |
954 | return log_oom(); | |
40274ed6 | 955 | } |
6192b846 TG |
956 | } |
957 | ||
60c35566 | 958 | int config_parse_ipv6token( |
7f77697a TG |
959 | const char* unit, |
960 | const char *filename, | |
961 | unsigned line, | |
962 | const char *section, | |
963 | unsigned section_line, | |
964 | const char *lvalue, | |
965 | int ltype, | |
966 | const char *rvalue, | |
967 | void *data, | |
968 | void *userdata) { | |
969 | ||
970 | union in_addr_union buffer; | |
971 | struct in6_addr *token = data; | |
972 | int r; | |
973 | ||
974 | assert(filename); | |
975 | assert(lvalue); | |
976 | assert(rvalue); | |
977 | assert(token); | |
978 | ||
979 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
980 | if (r < 0) { | |
d96edb2c | 981 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 982 | "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
983 | return 0; |
984 | } | |
985 | ||
c606db69 | 986 | if (in_addr_is_null(AF_INET6, &buffer)) { |
d96edb2c | 987 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 988 | "IPv6 token cannot be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
989 | return 0; |
990 | } | |
991 | ||
992 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
d96edb2c | 993 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 994 | "IPv6 token cannot be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
995 | return 0; |
996 | } | |
997 | ||
998 | *token = buffer.in6; | |
999 | ||
1000 | return 0; | |
1001 | } | |
8add5f79 | 1002 | |
49092e22 | 1003 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
1004 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
1005 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
1006 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
1007 | }; |
1008 | ||
b146ad71 YW |
1009 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(ipv6_privacy_extensions, IPv6PrivacyExtensions, |
1010 | IPV6_PRIVACY_EXTENSIONS_YES); | |
49092e22 SS |
1011 | |
1012 | int config_parse_ipv6_privacy_extensions( | |
1013 | const char* unit, | |
1014 | const char *filename, | |
1015 | unsigned line, | |
1016 | const char *section, | |
1017 | unsigned section_line, | |
1018 | const char *lvalue, | |
1019 | int ltype, | |
1020 | const char *rvalue, | |
1021 | void *data, | |
1022 | void *userdata) { | |
1023 | ||
b146ad71 | 1024 | IPv6PrivacyExtensions s, *ipv6_privacy_extensions = data; |
49092e22 SS |
1025 | |
1026 | assert(filename); | |
1027 | assert(lvalue); | |
1028 | assert(rvalue); | |
1029 | assert(ipv6_privacy_extensions); | |
1030 | ||
b146ad71 YW |
1031 | s = ipv6_privacy_extensions_from_string(rvalue); |
1032 | if (s < 0) { | |
1033 | if (streq(rvalue, "kernel")) | |
1034 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
1035 | else { | |
d96edb2c | 1036 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
b146ad71 YW |
1037 | "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1038 | return 0; | |
49092e22 | 1039 | } |
49092e22 SS |
1040 | } |
1041 | ||
b146ad71 YW |
1042 | *ipv6_privacy_extensions = s; |
1043 | ||
49092e22 SS |
1044 | return 0; |
1045 | } | |
a7d0ef44 | 1046 | |
1ac608c9 LP |
1047 | int config_parse_hostname( |
1048 | const char *unit, | |
1049 | const char *filename, | |
1050 | unsigned line, | |
1051 | const char *section, | |
1052 | unsigned section_line, | |
1053 | const char *lvalue, | |
1054 | int ltype, | |
1055 | const char *rvalue, | |
1056 | void *data, | |
1057 | void *userdata) { | |
1058 | ||
6528693a YW |
1059 | _cleanup_free_ char *hn = NULL; |
1060 | char **hostname = data; | |
a7d0ef44 SS |
1061 | int r; |
1062 | ||
1063 | assert(filename); | |
1064 | assert(lvalue); | |
1065 | assert(rvalue); | |
1066 | ||
1ac608c9 | 1067 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
1068 | if (r < 0) |
1069 | return r; | |
1070 | ||
1ac608c9 | 1071 | if (!hostname_is_valid(hn, false)) { |
d96edb2c | 1072 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1073 | "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
1074 | return 0; |
1075 | } | |
1076 | ||
6528693a YW |
1077 | r = dns_name_is_valid(hn); |
1078 | if (r < 0) { | |
d96edb2c | 1079 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1080 | "Failed to check validity of hostname '%s', ignoring assignment: %m", rvalue); |
6528693a YW |
1081 | return 0; |
1082 | } | |
1083 | if (r == 0) { | |
d96edb2c | 1084 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1085 | "Hostname is not a valid DNS domain name, ignoring assignment: %s", rvalue); |
6528693a YW |
1086 | return 0; |
1087 | } | |
1088 | ||
1089 | return free_and_replace(*hostname, hn); | |
a7d0ef44 | 1090 | } |
8eb9058d LP |
1091 | |
1092 | int config_parse_timezone( | |
1093 | const char *unit, | |
1094 | const char *filename, | |
1095 | unsigned line, | |
1096 | const char *section, | |
1097 | unsigned section_line, | |
1098 | const char *lvalue, | |
1099 | int ltype, | |
1100 | const char *rvalue, | |
1101 | void *data, | |
1102 | void *userdata) { | |
1103 | ||
19f9e4e2 YW |
1104 | _cleanup_free_ char *tz = NULL; |
1105 | char **datap = data; | |
8eb9058d LP |
1106 | int r; |
1107 | ||
1108 | assert(filename); | |
1109 | assert(lvalue); | |
1110 | assert(rvalue); | |
1111 | ||
1112 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1113 | if (r < 0) | |
1114 | return r; | |
1115 | ||
d96edb2c YW |
1116 | if (!timezone_is_valid(tz, LOG_WARNING)) { |
1117 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
ab24039f | 1118 | "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1119 | return 0; |
1120 | } | |
1121 | ||
19f9e4e2 | 1122 | return free_and_replace(*datap, tz); |
8eb9058d | 1123 | } |
1a04db0f | 1124 | |
53253824 SS |
1125 | int config_parse_dns( |
1126 | const char *unit, | |
1127 | const char *filename, | |
1128 | unsigned line, | |
1129 | const char *section, | |
1130 | unsigned section_line, | |
1131 | const char *lvalue, | |
1132 | int ltype, | |
1133 | const char *rvalue, | |
1134 | void *data, | |
1135 | void *userdata) { | |
1136 | ||
1137 | Network *n = userdata; | |
1138 | int r; | |
1139 | ||
1140 | assert(filename); | |
1141 | assert(lvalue); | |
1142 | assert(rvalue); | |
1143 | ||
d96edb2c | 1144 | if (isempty(rvalue)) { |
e77bd3fd YW |
1145 | for (unsigned i = 0; i < n->n_dns; i++) |
1146 | in_addr_full_free(n->dns[i]); | |
d96edb2c YW |
1147 | n->dns = mfree(n->dns); |
1148 | n->n_dns = 0; | |
1149 | return 0; | |
1150 | } | |
1151 | ||
1152 | for (const char *p = rvalue;;) { | |
e77bd3fd | 1153 | _cleanup_(in_addr_full_freep) struct in_addr_full *dns = NULL; |
53253824 | 1154 | _cleanup_free_ char *w = NULL; |
e77bd3fd | 1155 | struct in_addr_full **m; |
53253824 | 1156 | |
d96edb2c | 1157 | r = extract_first_word(&p, &w, NULL, 0); |
53253824 SS |
1158 | if (r == -ENOMEM) |
1159 | return log_oom(); | |
1160 | if (r < 0) { | |
d96edb2c | 1161 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1162 | "Invalid syntax, ignoring: %s", rvalue); |
d96edb2c | 1163 | return 0; |
53253824 | 1164 | } |
5512a963 | 1165 | if (r == 0) |
d96edb2c | 1166 | return 0; |
53253824 | 1167 | |
e77bd3fd | 1168 | r = in_addr_full_new_from_string(w, &dns); |
53253824 | 1169 | if (r < 0) { |
d96edb2c | 1170 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1171 | "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1172 | continue; |
1173 | } | |
1174 | ||
e77bd3fd YW |
1175 | if (IN_SET(dns->port, 53, 853)) |
1176 | dns->port = 0; | |
1177 | ||
1178 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_full*)); | |
5512a963 | 1179 | if (!m) |
53253824 SS |
1180 | return log_oom(); |
1181 | ||
e77bd3fd | 1182 | m[n->n_dns++] = TAKE_PTR(dns); |
5512a963 | 1183 | n->dns = m; |
53253824 | 1184 | } |
53253824 SS |
1185 | } |
1186 | ||
8a516214 LP |
1187 | int config_parse_dnssec_negative_trust_anchors( |
1188 | const char *unit, | |
1189 | const char *filename, | |
1190 | unsigned line, | |
1191 | const char *section, | |
1192 | unsigned section_line, | |
1193 | const char *lvalue, | |
1194 | int ltype, | |
1195 | const char *rvalue, | |
1196 | void *data, | |
1197 | void *userdata) { | |
1198 | ||
8a516214 LP |
1199 | Network *n = data; |
1200 | int r; | |
1201 | ||
3df9bec5 | 1202 | assert(n); |
8a516214 LP |
1203 | assert(lvalue); |
1204 | assert(rvalue); | |
1205 | ||
1206 | if (isempty(rvalue)) { | |
1207 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1208 | return 0; | |
1209 | } | |
1210 | ||
d96edb2c | 1211 | for (const char *p = rvalue;;) { |
8a516214 LP |
1212 | _cleanup_free_ char *w = NULL; |
1213 | ||
1214 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
1215 | if (r == -ENOMEM) |
1216 | return log_oom(); | |
8a516214 | 1217 | if (r < 0) { |
d96edb2c | 1218 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1219 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); |
d96edb2c | 1220 | return 0; |
8a516214 LP |
1221 | } |
1222 | if (r == 0) | |
d96edb2c | 1223 | return 0; |
8a516214 LP |
1224 | |
1225 | r = dns_name_is_valid(w); | |
1226 | if (r <= 0) { | |
d96edb2c | 1227 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1228 | "%s is not a valid domain name, ignoring.", w); |
8a516214 LP |
1229 | continue; |
1230 | } | |
1231 | ||
35e601d4 | 1232 | r = set_ensure_consume(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops, TAKE_PTR(w)); |
8a516214 LP |
1233 | if (r < 0) |
1234 | return log_oom(); | |
8a516214 | 1235 | } |
8a516214 | 1236 | } |
b2a81c0b | 1237 | |
26575990 LP |
1238 | int config_parse_ntp( |
1239 | const char *unit, | |
1240 | const char *filename, | |
1241 | unsigned line, | |
1242 | const char *section, | |
1243 | unsigned section_line, | |
1244 | const char *lvalue, | |
1245 | int ltype, | |
1246 | const char *rvalue, | |
1247 | void *data, | |
1248 | void *userdata) { | |
1249 | ||
1250 | char ***l = data; | |
1251 | int r; | |
1252 | ||
1253 | assert(l); | |
1254 | assert(lvalue); | |
1255 | assert(rvalue); | |
1256 | ||
1257 | if (isempty(rvalue)) { | |
1258 | *l = strv_free(*l); | |
1259 | return 0; | |
1260 | } | |
1261 | ||
d96edb2c | 1262 | for (const char *p = rvalue;;) { |
26575990 LP |
1263 | _cleanup_free_ char *w = NULL; |
1264 | ||
d96edb2c | 1265 | r = extract_first_word(&p, &w, NULL, 0); |
26575990 LP |
1266 | if (r == -ENOMEM) |
1267 | return log_oom(); | |
1268 | if (r < 0) { | |
d96edb2c | 1269 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1270 | "Failed to extract NTP server name, ignoring: %s", rvalue); |
d96edb2c | 1271 | return 0; |
26575990 LP |
1272 | } |
1273 | if (r == 0) | |
d96edb2c | 1274 | return 0; |
26575990 LP |
1275 | |
1276 | r = dns_name_is_valid_or_address(w); | |
1277 | if (r <= 0) { | |
d96edb2c | 1278 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1279 | "%s is not a valid domain name or IP address, ignoring.", w); |
26575990 | 1280 | continue; |
af1c0de0 SS |
1281 | } |
1282 | ||
c448459d ZJS |
1283 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1284 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1285 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1286 | MAX_NTP_SERVERS, w); | |
d96edb2c | 1287 | return 0; |
c448459d ZJS |
1288 | } |
1289 | ||
1290 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1291 | if (r < 0) |
1292 | return log_oom(); | |
af1c0de0 | 1293 | } |
af1c0de0 SS |
1294 | } |
1295 | ||
4ac77d63 YW |
1296 | int config_parse_required_for_online( |
1297 | const char *unit, | |
1298 | const char *filename, | |
1299 | unsigned line, | |
1300 | const char *section, | |
1301 | unsigned section_line, | |
1302 | const char *lvalue, | |
1303 | int ltype, | |
1304 | const char *rvalue, | |
1305 | void *data, | |
1306 | void *userdata) { | |
1307 | ||
1308 | Network *network = data; | |
75cd4a5d | 1309 | LinkOperationalStateRange range; |
4ac77d63 YW |
1310 | bool required = true; |
1311 | int r; | |
1312 | ||
1313 | if (isempty(rvalue)) { | |
1314 | network->required_for_online = true; | |
75cd4a5d | 1315 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1316 | return 0; |
1317 | } | |
1318 | ||
75cd4a5d DDM |
1319 | r = parse_operational_state_range(rvalue, &range); |
1320 | if (r < 0) { | |
4ac77d63 YW |
1321 | r = parse_boolean(rvalue); |
1322 | if (r < 0) { | |
d96edb2c | 1323 | log_syntax(unit, LOG_WARNING, filename, line, r, |
4ac77d63 YW |
1324 | "Failed to parse %s= setting, ignoring assignment: %s", |
1325 | lvalue, rvalue); | |
1326 | return 0; | |
1327 | } | |
1328 | ||
1329 | required = r; | |
75cd4a5d | 1330 | range = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1331 | } |
1332 | ||
1333 | network->required_for_online = required; | |
75cd4a5d | 1334 | network->required_operstate_for_online = range; |
4ac77d63 YW |
1335 | |
1336 | return 0; | |
1337 | } | |
7da377ef SS |
1338 | |
1339 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, | |
1340 | "Failed to parse KeepConfiguration= setting"); | |
1341 | ||
1342 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1343 | [KEEP_CONFIGURATION_NO] = "no", |
1344 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1345 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1346 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1347 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1348 | }; |
1349 | ||
1350 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); | |
6f6296b9 YW |
1351 | |
1352 | static const char* const ipv6_link_local_address_gen_mode_table[_IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX] = { | |
1353 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64] = "eui64", | |
1354 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE] = "none", | |
1355 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY] = "stable-privacy", | |
1356 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_RANDOM] = "random", | |
1357 | }; | |
1358 | ||
1359 | DEFINE_STRING_TABLE_LOOKUP(ipv6_link_local_address_gen_mode, IPv6LinkLocalAddressGenMode); | |
1360 | DEFINE_CONFIG_PARSE_ENUM(config_parse_ipv6_link_local_address_gen_mode, ipv6_link_local_address_gen_mode, IPv6LinkLocalAddressGenMode, "Failed to parse IPv6 link local address generation mode"); |