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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) { |
564ca984 | 158 | Address *address, *address_next; |
34658df2 | 159 | TrafficControl *tc; |
518cd6b5 | 160 | SRIOV *sr_iov; |
0321cea7 YW |
161 | |
162 | assert(network); | |
163 | assert(network->filename); | |
164 | ||
4bb7cc82 YW |
165 | if (set_isempty(network->match_mac) && set_isempty(network->match_permanent_mac) && |
166 | strv_isempty(network->match_path) && strv_isempty(network->match_driver) && | |
167 | strv_isempty(network->match_type) && strv_isempty(network->match_name) && | |
25c86e4c DDM |
168 | strv_isempty(network->match_property) && strv_isempty(network->match_wlan_iftype) && |
169 | strv_isempty(network->match_ssid) && !network->conditions) | |
dade7349 ZJS |
170 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
171 | "%s: No valid settings found in the [Match] section, ignoring file. " | |
172 | "To match all interfaces, add Name=* in the [Match] section.", | |
173 | network->filename); | |
84ea567e | 174 | |
cebe1257 | 175 | /* skip out early if configuration does not match the environment */ |
a0b191b7 | 176 | if (!condition_test_list(network->conditions, environ, NULL, NULL, NULL)) |
cebe1257 | 177 | return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), |
3772cfde ZJS |
178 | "%s: Conditions in the file do not match the system environment, skipping.", |
179 | network->filename); | |
cebe1257 YW |
180 | |
181 | (void) network_resolve_netdev_one(network, network->bond_name, NETDEV_KIND_BOND, &network->bond); | |
182 | (void) network_resolve_netdev_one(network, network->bridge_name, NETDEV_KIND_BRIDGE, &network->bridge); | |
183 | (void) network_resolve_netdev_one(network, network->vrf_name, NETDEV_KIND_VRF, &network->vrf); | |
184 | (void) network_resolve_stacked_netdevs(network); | |
185 | ||
186 | /* Free unnecessary entries. */ | |
187 | network->bond_name = mfree(network->bond_name); | |
188 | network->bridge_name = mfree(network->bridge_name); | |
189 | network->vrf_name = mfree(network->vrf_name); | |
190 | network->stacked_netdev_names = hashmap_free_free_key(network->stacked_netdev_names); | |
191 | ||
0321cea7 YW |
192 | if (network->bond) { |
193 | /* Bonding slave does not support addressing. */ | |
194 | if (network->ipv6_accept_ra > 0) { | |
ab24039f ZJS |
195 | log_warning("%s: Cannot enable IPv6AcceptRA= when Bond= is specified, disabling IPv6AcceptRA=.", |
196 | network->filename); | |
0321cea7 YW |
197 | network->ipv6_accept_ra = 0; |
198 | } | |
199 | if (network->link_local >= 0 && network->link_local != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
200 | log_warning("%s: Cannot enable LinkLocalAddressing= when Bond= is specified, disabling LinkLocalAddressing=.", |
201 | network->filename); | |
0321cea7 YW |
202 | network->link_local = ADDRESS_FAMILY_NO; |
203 | } | |
204 | if (network->dhcp != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
205 | log_warning("%s: Cannot enable DHCP= when Bond= is specified, disabling DHCP=.", |
206 | network->filename); | |
0321cea7 YW |
207 | network->dhcp = ADDRESS_FAMILY_NO; |
208 | } | |
209 | if (network->dhcp_server) { | |
ab24039f ZJS |
210 | log_warning("%s: Cannot enable DHCPServer= when Bond= is specified, disabling DHCPServer=.", |
211 | network->filename); | |
0321cea7 YW |
212 | network->dhcp_server = false; |
213 | } | |
214 | if (network->n_static_addresses > 0) { | |
ab24039f ZJS |
215 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
216 | network->filename); | |
0321cea7 YW |
217 | while ((address = network->static_addresses)) |
218 | address_free(address); | |
219 | } | |
220 | if (network->n_static_routes > 0) { | |
d9940a3f YW |
221 | Route *route; |
222 | ||
ab24039f ZJS |
223 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
224 | network->filename); | |
0321cea7 YW |
225 | while ((route = network->static_routes)) |
226 | route_free(route); | |
227 | } | |
228 | } | |
229 | ||
230 | if (network->link_local < 0) | |
8f191801 YW |
231 | network->link_local = network->bridge ? ADDRESS_FAMILY_NO : ADDRESS_FAMILY_IPV6; |
232 | ||
44013aa4 YW |
233 | if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) { |
234 | if (network->ipv6_accept_ra > 0) { | |
235 | log_warning("%s: IPv6AcceptRA= is enabled by the .network file but IPv6 link local addressing is disabled. " | |
236 | "Disabling IPv6AcceptRA=.", network->filename); | |
237 | network->ipv6_accept_ra = false; | |
238 | } | |
239 | ||
240 | if (FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV6)) { | |
241 | log_warning("%s: DHCPv6 client is enabled by the .network file but IPv6 link local addressing is disabled. " | |
242 | "Disabling DHCPv6 client.", network->filename); | |
243 | SET_FLAG(network->dhcp, ADDRESS_FAMILY_IPV6, false); | |
244 | } | |
245 | ||
246 | if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE) { | |
247 | log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. " | |
248 | "Disabling IPv6PrefixDelegation=.", network->filename); | |
249 | network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE; | |
250 | } | |
251 | } | |
252 | ||
29e81083 YW |
253 | if (FLAGS_SET(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4) && |
254 | !FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV4)) { | |
255 | log_warning("%s: fallback assignment of IPv4 link local address is enabled but DHCPv4 is disabled. " | |
256 | "Disabling the fallback assignment.", network->filename); | |
257 | SET_FLAG(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4, false); | |
258 | } | |
259 | ||
8f191801 YW |
260 | if (network->ipv6_accept_ra < 0 && network->bridge) |
261 | network->ipv6_accept_ra = false; | |
0321cea7 YW |
262 | |
263 | /* IPMasquerade=yes implies IPForward=yes */ | |
264 | if (network->ip_masquerade) | |
265 | network->ip_forward |= ADDRESS_FAMILY_IPV4; | |
266 | ||
933c70a0 | 267 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
268 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
269 | "Disabling UseMTU=.", network->filename); | |
270 | network->dhcp_use_mtu = false; | |
271 | } | |
272 | ||
589397a2 DS |
273 | if (network->dhcp_use_gateway < 0) |
274 | network->dhcp_use_gateway = network->dhcp_use_routes; | |
275 | ||
bd0d471c DS |
276 | if (network->ignore_carrier_loss < 0) |
277 | network->ignore_carrier_loss = network->configure_without_carrier; | |
278 | ||
7da377ef SS |
279 | if (network->dhcp_critical >= 0) { |
280 | if (network->keep_configuration >= 0) | |
281 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
282 | "Ignoring CriticalConnection=.", network->filename); | |
283 | else if (network->dhcp_critical) | |
284 | /* CriticalConnection=yes also preserve foreign static configurations. */ | |
285 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
286 | else | |
80060352 | 287 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
288 | } |
289 | ||
290 | if (network->keep_configuration < 0) | |
80060352 | 291 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 292 | |
87851e0f YW |
293 | if (network->ipv6_proxy_ndp == 0 && !set_isempty(network->ipv6_proxy_ndp_addresses)) { |
294 | log_warning("%s: IPv6ProxyNDP= is disabled. Ignoring IPv6ProxyNDPAddress=.", network->filename); | |
295 | network->ipv6_proxy_ndp_addresses = set_free_free(network->ipv6_proxy_ndp_addresses); | |
296 | } | |
297 | ||
4bec2f23 | 298 | LIST_FOREACH_SAFE(addresses, address, address_next, network->static_addresses) |
fcbf4cb7 | 299 | if (address_section_verify(address) < 0) |
4bec2f23 | 300 | address_free(address); |
4bec2f23 | 301 | |
d9940a3f | 302 | network_verify_routes(network); |
0992f9fb | 303 | network_verify_nexthops(network); |
e6ad630d | 304 | network_verify_fdb_entries(network); |
ee4522ce | 305 | network_verify_mdb_entries(network); |
78ada14f | 306 | network_verify_neighbors(network); |
ab316813 | 307 | network_verify_address_labels(network); |
1a7deb2f YW |
308 | network_verify_prefixes(network); |
309 | network_verify_route_prefixes(network); | |
50a3682f | 310 | network_verify_routing_policy_rules(network); |
4912ab77 | 311 | |
8efb93f0 | 312 | bool has_root = false, has_clsact = false; |
90e74a66 | 313 | ORDERED_HASHMAP_FOREACH(tc, network->tc_by_section) |
34658df2 YW |
314 | if (traffic_control_section_verify(tc, &has_root, &has_clsact) < 0) |
315 | traffic_control_free(tc); | |
8efb93f0 | 316 | |
90e74a66 | 317 | ORDERED_HASHMAP_FOREACH(sr_iov, network->sr_iov_by_section) |
518cd6b5 SS |
318 | if (sr_iov_section_verify(sr_iov) < 0) |
319 | sr_iov_free(sr_iov); | |
320 | ||
0321cea7 YW |
321 | return 0; |
322 | } | |
323 | ||
7f06b3e1 | 324 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 325 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 326 | _cleanup_(network_unrefp) Network *network = NULL; |
f579559b | 327 | _cleanup_fclose_ FILE *file = NULL; |
047a0dac | 328 | const char *dropin_dirname; |
838b2f7a | 329 | char *d; |
f579559b TG |
330 | int r; |
331 | ||
bf1bc670 TA |
332 | assert(manager); |
333 | assert(filename); | |
334 | ||
f579559b TG |
335 | file = fopen(filename, "re"); |
336 | if (!file) { | |
337 | if (errno == ENOENT) | |
338 | return 0; | |
1e7a0e21 LP |
339 | |
340 | return -errno; | |
f579559b TG |
341 | } |
342 | ||
ed88bcfb ZJS |
343 | if (null_or_empty_fd(fileno(file))) { |
344 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
345 | return 0; |
346 | } | |
347 | ||
838b2f7a YW |
348 | fname = strdup(filename); |
349 | if (!fname) | |
350 | return log_oom(); | |
351 | ||
352 | name = strdup(basename(filename)); | |
353 | if (!name) | |
354 | return log_oom(); | |
355 | ||
356 | d = strrchr(name, '.'); | |
357 | if (!d) | |
358 | return -EINVAL; | |
359 | ||
360 | *d = '\0'; | |
361 | ||
362 | dropin_dirname = strjoina(name, ".network.d"); | |
363 | ||
17f9c355 | 364 | network = new(Network, 1); |
f579559b TG |
365 | if (!network) |
366 | return log_oom(); | |
367 | ||
17f9c355 | 368 | *network = (Network) { |
838b2f7a YW |
369 | .filename = TAKE_PTR(fname), |
370 | .name = TAKE_PTR(name), | |
17f9c355 | 371 | |
715d398e | 372 | .manager = manager, |
35ac3b76 YW |
373 | .n_ref = 1, |
374 | ||
17f9c355 | 375 | .required_for_online = true, |
75cd4a5d | 376 | .required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT, |
17f9c355 | 377 | .dhcp = ADDRESS_FAMILY_NO, |
7da377ef | 378 | .dhcp_critical = -1, |
17f9c355 | 379 | .dhcp_use_ntp = true, |
299d578f | 380 | .dhcp_use_sip = true, |
17f9c355 YW |
381 | .dhcp_use_dns = true, |
382 | .dhcp_use_hostname = true, | |
383 | .dhcp_use_routes = true, | |
589397a2 | 384 | .dhcp_use_gateway = -1, |
5238e957 | 385 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 | 386 | .dhcp_send_hostname = true, |
5f3b5f19 | 387 | .dhcp_send_release = true, |
17f9c355 YW |
388 | /* To enable/disable RFC7844 Anonymity Profiles */ |
389 | .dhcp_anonymize = false, | |
390 | .dhcp_route_metric = DHCP_ROUTE_METRIC, | |
c9c908a6 | 391 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 YW |
392 | .dhcp_client_identifier = DHCP_CLIENT_ID_DUID, |
393 | .dhcp_route_table = RT_TABLE_MAIN, | |
394 | .dhcp_route_table_set = false, | |
395 | /* NOTE: from man: UseMTU=... Defaults to false*/ | |
396 | .dhcp_use_mtu = false, | |
397 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ | |
398 | .dhcp_use_timezone = false, | |
399 | .rapid_commit = true, | |
400 | ||
1bf1bfd9 | 401 | .dhcp6_route_metric = DHCP_ROUTE_METRIC, |
caa8ca42 SS |
402 | .dhcp6_use_ntp = true, |
403 | .dhcp6_use_dns = true, | |
404 | ||
99e015e2 YW |
405 | .dhcp6_pd_subnet_id = -1, |
406 | .dhcp6_pd_assign = true, | |
9efa8a3c | 407 | |
2a71d57f LP |
408 | .dhcp_server_emit[SD_DHCP_LEASE_DNS].emit = true, |
409 | .dhcp_server_emit[SD_DHCP_LEASE_NTP].emit = true, | |
410 | .dhcp_server_emit[SD_DHCP_LEASE_SIP].emit = true, | |
411 | ||
17f9c355 YW |
412 | .dhcp_server_emit_router = true, |
413 | .dhcp_server_emit_timezone = true, | |
414 | ||
415 | .router_emit_dns = true, | |
416 | .router_emit_domains = true, | |
417 | ||
418 | .use_bpdu = -1, | |
419 | .hairpin = -1, | |
420 | .fast_leave = -1, | |
421 | .allow_port_to_be_root = -1, | |
422 | .unicast_flood = -1, | |
7f15b714 | 423 | .multicast_flood = -1, |
d3aa8b49 | 424 | .multicast_to_unicast = -1, |
7f15b714 TJ |
425 | .neighbor_suppression = -1, |
426 | .learning = -1, | |
1087623b SS |
427 | .bridge_proxy_arp = -1, |
428 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 429 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 430 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 YW |
431 | |
432 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, | |
433 | ||
7ece6f58 | 434 | .dns_default_route = -1, |
17f9c355 YW |
435 | .llmnr = RESOLVE_SUPPORT_YES, |
436 | .mdns = RESOLVE_SUPPORT_NO, | |
437 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
438 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
439 | ||
0321cea7 | 440 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 441 | .link_local = _ADDRESS_FAMILY_INVALID, |
6f6296b9 | 442 | .ipv6ll_address_gen_mode = _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID, |
17f9c355 | 443 | |
94d76d07 YW |
444 | .ipv4_accept_local = -1, |
445 | ||
17f9c355 YW |
446 | .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO, |
447 | .ipv6_accept_ra = -1, | |
448 | .ipv6_dad_transmits = -1, | |
449 | .ipv6_hop_limit = -1, | |
450 | .ipv6_proxy_ndp = -1, | |
451 | .duid.type = _DUID_TYPE_INVALID, | |
452 | .proxy_arp = -1, | |
453 | .arp = -1, | |
454 | .multicast = -1, | |
455 | .allmulticast = -1, | |
456 | .ipv6_accept_ra_use_dns = true, | |
062c2eea SS |
457 | .ipv6_accept_ra_use_autonomous_prefix = true, |
458 | .ipv6_accept_ra_use_onlink_prefix = true, | |
17f9c355 | 459 | .ipv6_accept_ra_route_table = RT_TABLE_MAIN, |
d5fa3339 | 460 | .ipv6_accept_ra_route_table_set = false, |
d739fdde | 461 | .ipv6_accept_ra_start_dhcp6_client = true, |
c423be28 | 462 | |
bd0d471c DS |
463 | .configure_without_carrier = false, |
464 | .ignore_carrier_loss = -1, | |
7da377ef | 465 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, |
c423be28 | 466 | .can_triple_sampling = -1, |
52aa38f1 | 467 | .can_termination = -1, |
f594b5fe CG |
468 | .can_listen_only = -1, |
469 | .can_fd_mode = -1, | |
470 | .can_non_iso = -1, | |
afe42aef | 471 | .ip_service_type = -1, |
17f9c355 | 472 | }; |
f579559b | 473 | |
4f9ff96a LP |
474 | r = config_parse_many( |
475 | filename, NETWORK_DIRS, dropin_dirname, | |
476 | "Match\0" | |
477 | "Link\0" | |
518cd6b5 | 478 | "SR-IOV\0" |
4f9ff96a LP |
479 | "Network\0" |
480 | "Address\0" | |
481 | "Neighbor\0" | |
482 | "IPv6AddressLabel\0" | |
483 | "RoutingPolicyRule\0" | |
484 | "Route\0" | |
485 | "NextHop\0" | |
486 | "DHCP\0" /* compat */ | |
487 | "DHCPv4\0" | |
488 | "DHCPv6\0" | |
b209cff2 | 489 | "DHCPv6PrefixDelegation\0" |
4f9ff96a LP |
490 | "DHCPServer\0" |
491 | "IPv6AcceptRA\0" | |
492 | "IPv6NDPProxyAddress\0" | |
493 | "Bridge\0" | |
494 | "BridgeFDB\0" | |
3db468ea | 495 | "BridgeMDB\0" |
4f9ff96a LP |
496 | "BridgeVLAN\0" |
497 | "IPv6PrefixDelegation\0" | |
498 | "IPv6Prefix\0" | |
499 | "IPv6RoutePrefix\0" | |
500 | "LLDP\0" | |
501 | "TrafficControlQueueingDiscipline\0" | |
502 | "CAN\0" | |
503 | "QDisc\0" | |
504 | "BFIFO\0" | |
505 | "CAKE\0" | |
506 | "ControlledDelay\0" | |
507 | "DeficitRoundRobinScheduler\0" | |
508 | "DeficitRoundRobinSchedulerClass\0" | |
d474aa51 | 509 | "EnhancedTransmissionSelection\0" |
4f9ff96a LP |
510 | "FairQueueing\0" |
511 | "FairQueueingControlledDelay\0" | |
8f6b6d70 | 512 | "FlowQueuePIE\0" |
4f9ff96a LP |
513 | "GenericRandomEarlyDetection\0" |
514 | "HeavyHitterFilter\0" | |
515 | "HierarchyTokenBucket\0" | |
516 | "HierarchyTokenBucketClass\0" | |
517 | "NetworkEmulator\0" | |
b12aaee5 SS |
518 | "PFIFO\0" |
519 | "PFIFOFast\0" | |
520 | "PFIFOHeadDrop\0" | |
4f9ff96a | 521 | "PIE\0" |
b12aaee5 | 522 | "QuickFairQueueing\0" |
4d7ddaf9 | 523 | "QuickFairQueueingClass\0" |
4f9ff96a LP |
524 | "StochasticFairBlue\0" |
525 | "StochasticFairnessQueueing\0" | |
526 | "TokenBucketFilter\0" | |
527 | "TrivialLinkEqualizer\0", | |
528 | config_item_perf_lookup, network_network_gperf_lookup, | |
529 | CONFIG_PARSE_WARN, | |
530 | network, | |
531 | &network->timestamp); | |
102bc043 | 532 | if (r < 0) |
f579559b | 533 | return r; |
f579559b | 534 | |
add8d07d | 535 | network_apply_anonymize_if_set(network); |
536 | ||
fa7cd711 YW |
537 | r = network_add_ipv4ll_route(network); |
538 | if (r < 0) | |
539 | log_warning_errno(r, "%s: Failed to add IPv4LL route, ignoring: %m", network->filename); | |
540 | ||
5d5003ab YW |
541 | r = network_add_default_route_on_device(network); |
542 | if (r < 0) | |
543 | log_warning_errno(r, "%s: Failed to add default route on device, ignoring: %m", | |
544 | network->filename); | |
545 | ||
7f06b3e1 YW |
546 | if (network_verify(network) < 0) |
547 | /* Ignore .network files that do not match the conditions. */ | |
548 | return 0; | |
549 | ||
550 | r = ordered_hashmap_ensure_allocated(networks, &string_hash_ops); | |
dbffab87 TG |
551 | if (r < 0) |
552 | return r; | |
553 | ||
7f06b3e1 | 554 | r = ordered_hashmap_put(*networks, network->name, network); |
dbffab87 TG |
555 | if (r < 0) |
556 | return r; | |
557 | ||
f579559b | 558 | network = NULL; |
f579559b TG |
559 | return 0; |
560 | } | |
561 | ||
7f06b3e1 | 562 | int network_load(Manager *manager, OrderedHashmap **networks) { |
477e73b5 ZJS |
563 | _cleanup_strv_free_ char **files = NULL; |
564 | char **f; | |
f579559b TG |
565 | int r; |
566 | ||
567 | assert(manager); | |
568 | ||
7f06b3e1 | 569 | ordered_hashmap_clear_with_destructor(*networks, network_unref); |
f579559b | 570 | |
dc0d4078 | 571 | r = conf_files_list_strv(&files, ".network", NULL, 0, NETWORK_DIRS); |
f647962d MS |
572 | if (r < 0) |
573 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b | 574 | |
715d398e | 575 | STRV_FOREACH(f, files) { |
7f06b3e1 | 576 | r = network_load_one(manager, networks, *f); |
f579559b | 577 | if (r < 0) |
be711082 | 578 | log_error_errno(r, "Failed to load %s, ignoring: %m", *f); |
f579559b TG |
579 | } |
580 | ||
f579559b TG |
581 | return 0; |
582 | } | |
583 | ||
7f06b3e1 YW |
584 | int network_reload(Manager *manager) { |
585 | OrderedHashmap *new_networks = NULL; | |
586 | Network *n, *old; | |
7f06b3e1 YW |
587 | int r; |
588 | ||
589 | assert(manager); | |
590 | ||
591 | r = network_load(manager, &new_networks); | |
592 | if (r < 0) | |
593 | goto failure; | |
594 | ||
90e74a66 | 595 | ORDERED_HASHMAP_FOREACH(n, new_networks) { |
7f06b3e1 YW |
596 | r = network_get_by_name(manager, n->name, &old); |
597 | if (r < 0) | |
598 | continue; /* The .network file is new. */ | |
599 | ||
600 | if (n->timestamp != old->timestamp) | |
601 | continue; /* The .network file is modified. */ | |
602 | ||
603 | if (!streq(n->filename, old->filename)) | |
604 | continue; | |
605 | ||
606 | r = ordered_hashmap_replace(new_networks, old->name, old); | |
607 | if (r < 0) | |
608 | goto failure; | |
609 | ||
610 | network_ref(old); | |
611 | network_unref(n); | |
612 | } | |
613 | ||
614 | ordered_hashmap_free_with_destructor(manager->networks, network_unref); | |
615 | manager->networks = new_networks; | |
616 | ||
617 | return 0; | |
618 | ||
619 | failure: | |
620 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
621 | ||
622 | return r; | |
623 | } | |
624 | ||
35ac3b76 | 625 | static Network *network_free(Network *network) { |
bce67bbe | 626 | Address *address; |
bce67bbe | 627 | Route *route; |
f579559b TG |
628 | |
629 | if (!network) | |
35ac3b76 | 630 | return NULL; |
f579559b TG |
631 | |
632 | free(network->filename); | |
633 | ||
e90d0374 | 634 | set_free_free(network->match_mac); |
4bb7cc82 | 635 | set_free_free(network->match_permanent_mac); |
5256e00e TG |
636 | strv_free(network->match_path); |
637 | strv_free(network->match_driver); | |
638 | strv_free(network->match_type); | |
639 | strv_free(network->match_name); | |
44005bfb | 640 | strv_free(network->match_property); |
78404d22 | 641 | strv_free(network->match_wlan_iftype); |
8d968fdd | 642 | strv_free(network->match_ssid); |
277ba8d1 | 643 | set_free_free(network->match_bssid); |
c4f58dea | 644 | condition_free_list(network->conditions); |
f579559b TG |
645 | |
646 | free(network->description); | |
edb85f0d | 647 | free(network->dhcp_vendor_class_identifier); |
7b8d23a9 | 648 | free(network->dhcp_mudurl); |
af1c0de0 | 649 | strv_free(network->dhcp_user_class); |
27cb34f5 | 650 | free(network->dhcp_hostname); |
6b000af4 | 651 | set_free(network->dhcp_deny_listed_ip); |
98ebef62 | 652 | set_free(network->dhcp_allow_listed_ip); |
5bc945be | 653 | set_free(network->dhcp_request_options); |
35f6a5cb | 654 | set_free(network->dhcp6_request_options); |
c106cc36 | 655 | free(network->mac); |
3175a8c2 | 656 | free(network->dhcp6_mudurl); |
f37f2a6b | 657 | strv_free(network->dhcp6_user_class); |
ed0d1b2e | 658 | strv_free(network->dhcp6_vendor_class); |
c106cc36 | 659 | |
0f3ff4ea SS |
660 | if (network->dhcp_acd) |
661 | sd_ipv4acd_unref(network->dhcp_acd); | |
662 | ||
b0e39c82 | 663 | strv_free(network->ntp); |
e77bd3fd YW |
664 | for (unsigned i = 0; i < network->n_dns; i++) |
665 | in_addr_full_free(network->dns[i]); | |
5512a963 | 666 | free(network->dns); |
5e2a51d5 ZJS |
667 | ordered_set_free_free(network->search_domains); |
668 | ordered_set_free_free(network->route_domains); | |
0d4ad91d | 669 | strv_free(network->bind_carrier); |
cdd7812b | 670 | |
5e2a51d5 | 671 | ordered_set_free_free(network->router_search_domains); |
cdd7812b | 672 | free(network->router_dns); |
6b000af4 | 673 | set_free_free(network->ndisc_deny_listed_prefix); |
3bef724f | 674 | |
cebe1257 YW |
675 | free(network->bridge_name); |
676 | free(network->bond_name); | |
677 | free(network->vrf_name); | |
678 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 679 | netdev_unref(network->bridge); |
47e2dc31 | 680 | netdev_unref(network->bond); |
6cb955c6 | 681 | netdev_unref(network->vrf); |
fa6f1e54 | 682 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 683 | |
f048a16b | 684 | while ((route = network->static_routes)) |
f579559b TG |
685 | route_free(route); |
686 | ||
f048a16b | 687 | while ((address = network->static_addresses)) |
f579559b TG |
688 | address_free(address); |
689 | ||
d349f502 | 690 | set_free_free(network->ipv6_proxy_ndp_addresses); |
6ae115c1 TG |
691 | hashmap_free(network->addresses_by_section); |
692 | hashmap_free(network->routes_by_section); | |
b82663dd | 693 | hashmap_free_with_destructor(network->nexthops_by_section, nexthop_free); |
62ed9442 | 694 | hashmap_free_with_destructor(network->fdb_entries_by_section, fdb_entry_free); |
03c9738e | 695 | hashmap_free_with_destructor(network->mdb_entries_by_section, mdb_entry_free); |
b0ba6938 | 696 | hashmap_free_with_destructor(network->neighbors_by_section, neighbor_free); |
d6a2a0f9 | 697 | hashmap_free_with_destructor(network->address_labels_by_section, address_label_free); |
ecb0e85e YW |
698 | hashmap_free_with_destructor(network->prefixes_by_section, prefix_free); |
699 | hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free); | |
ca183bf8 | 700 | hashmap_free_with_destructor(network->rules_by_section, routing_policy_rule_free); |
518cd6b5 | 701 | ordered_hashmap_free_with_destructor(network->sr_iov_by_section, sr_iov_free); |
34658df2 | 702 | ordered_hashmap_free_with_destructor(network->tc_by_section, traffic_control_free); |
6ae115c1 | 703 | |
7f06b3e1 YW |
704 | if (network->manager && |
705 | network->manager->duids_requesting_uuid) | |
706 | set_remove(network->manager->duids_requesting_uuid, &network->duid); | |
dbffab87 TG |
707 | |
708 | free(network->name); | |
f579559b | 709 | |
8eb9058d | 710 | free(network->dhcp_server_timezone); |
2a71d57f LP |
711 | |
712 | for (sd_dhcp_lease_server_type t = 0; t < _SD_DHCP_LEASE_SERVER_TYPE_MAX; t++) | |
713 | free(network->dhcp_server_emit[t].addresses); | |
8eb9058d | 714 | |
8a516214 LP |
715 | set_free_free(network->dnssec_negative_trust_anchors); |
716 | ||
e9a8c550 SS |
717 | free(network->lldp_mud); |
718 | ||
0e96961d | 719 | ordered_hashmap_free(network->dhcp_client_send_options); |
7354900d | 720 | ordered_hashmap_free(network->dhcp_client_send_vendor_options); |
0e96961d | 721 | ordered_hashmap_free(network->dhcp_server_send_options); |
7354900d | 722 | ordered_hashmap_free(network->dhcp_server_send_vendor_options); |
2c621495 | 723 | ordered_set_free(network->ipv6_tokens); |
1c3ec1cd | 724 | ordered_hashmap_free(network->dhcp6_client_send_options); |
b4ccc5de | 725 | ordered_hashmap_free(network->dhcp6_client_send_vendor_options); |
cb29c156 | 726 | |
35ac3b76 | 727 | return mfree(network); |
f579559b TG |
728 | } |
729 | ||
35ac3b76 YW |
730 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
731 | ||
dbffab87 TG |
732 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
733 | Network *network; | |
734 | ||
735 | assert(manager); | |
736 | assert(name); | |
737 | assert(ret); | |
738 | ||
715d398e | 739 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
740 | if (!network) |
741 | return -ENOENT; | |
742 | ||
743 | *ret = network; | |
744 | ||
745 | return 0; | |
746 | } | |
747 | ||
ef62949a | 748 | int network_get(Manager *manager, unsigned short iftype, sd_device *device, |
c643bda5 YW |
749 | const char *ifname, char * const *alternative_names, const char *driver, |
750 | const struct ether_addr *mac, const struct ether_addr *permanent_mac, | |
78404d22 YW |
751 | enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, |
752 | Network **ret) { | |
51517f9e | 753 | Network *network; |
f579559b TG |
754 | |
755 | assert(manager); | |
f579559b | 756 | assert(ret); |
af3aa302 | 757 | |
90e74a66 | 758 | ORDERED_HASHMAP_FOREACH(network, manager->networks) |
4bb7cc82 YW |
759 | if (net_match_config(network->match_mac, network->match_permanent_mac, |
760 | network->match_path, network->match_driver, | |
44005bfb | 761 | network->match_type, network->match_name, network->match_property, |
78404d22 | 762 | network->match_wlan_iftype, network->match_ssid, network->match_bssid, |
c643bda5 | 763 | device, mac, permanent_mac, driver, iftype, |
4bb7cc82 | 764 | ifname, alternative_names, wlan_iftype, ssid, bssid)) { |
24c083df | 765 | if (network->match_name && device) { |
ca6038b8 TG |
766 | const char *attr; |
767 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
768 | ||
51517f9e | 769 | if (sd_device_get_sysattr_value(device, "name_assign_type", &attr) >= 0) |
dc751688 | 770 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
771 | |
772 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
773 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
774 | ifname, network->filename); | |
32bc8adc | 775 | else |
a2fae7bb | 776 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 777 | } else |
a2fae7bb | 778 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 779 | |
f579559b TG |
780 | *ret = network; |
781 | return 0; | |
782 | } | |
f579559b TG |
783 | |
784 | *ret = NULL; | |
785 | ||
786 | return -ENOENT; | |
787 | } | |
788 | ||
7d342c03 | 789 | int network_apply(Network *network, Link *link) { |
c4a03a56 TG |
790 | assert(network); |
791 | assert(link); | |
792 | ||
c9c908a6 | 793 | link->network = network_ref(network); |
f579559b | 794 | |
5512a963 | 795 | if (network->n_dns > 0 || |
3df9bec5 | 796 | !strv_isempty(network->ntp) || |
5e2a51d5 ZJS |
797 | !ordered_set_isempty(network->search_domains) || |
798 | !ordered_set_isempty(network->route_domains)) | |
84de38c5 | 799 | link_dirty(link); |
3bef724f | 800 | |
f579559b TG |
801 | return 0; |
802 | } | |
02b59d57 | 803 | |
adfeee49 | 804 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 805 | Address *address; |
adfeee49 YW |
806 | Route *route; |
807 | FdbEntry *fdb; | |
3db468ea | 808 | MdbEntry *mdb; |
adfeee49 | 809 | Neighbor *neighbor; |
439689c6 SS |
810 | |
811 | assert(network); | |
812 | ||
adfeee49 | 813 | LIST_FOREACH(addresses, address, network->static_addresses) |
439689c6 SS |
814 | if (address->family == AF_INET6) |
815 | return true; | |
adfeee49 YW |
816 | |
817 | LIST_FOREACH(routes, route, network->static_routes) | |
818 | if (route->family == AF_INET6) | |
819 | return true; | |
820 | ||
62ed9442 | 821 | HASHMAP_FOREACH(fdb, network->fdb_entries_by_section) |
adfeee49 YW |
822 | if (fdb->family == AF_INET6) |
823 | return true; | |
824 | ||
03c9738e | 825 | HASHMAP_FOREACH(mdb, network->mdb_entries_by_section) |
3db468ea DM |
826 | if (mdb->family == AF_INET6) |
827 | return true; | |
828 | ||
b0ba6938 | 829 | HASHMAP_FOREACH(neighbor, network->neighbors_by_section) |
adfeee49 YW |
830 | if (neighbor->family == AF_INET6) |
831 | return true; | |
832 | ||
d6a2a0f9 | 833 | if (!hashmap_isempty(network->address_labels_by_section)) |
adfeee49 YW |
834 | return true; |
835 | ||
ecb0e85e | 836 | if (!hashmap_isempty(network->prefixes_by_section)) |
adfeee49 | 837 | return true; |
d30081c2 YW |
838 | |
839 | if (!hashmap_isempty(network->route_prefixes_by_section)) | |
840 | return true; | |
439689c6 SS |
841 | |
842 | return false; | |
843 | } | |
844 | ||
cebe1257 | 845 | int config_parse_stacked_netdev(const char *unit, |
02b59d57 TG |
846 | const char *filename, |
847 | unsigned line, | |
848 | const char *section, | |
849 | unsigned section_line, | |
850 | const char *lvalue, | |
851 | int ltype, | |
852 | const char *rvalue, | |
853 | void *data, | |
854 | void *userdata) { | |
95dba435 YW |
855 | _cleanup_free_ char *name = NULL; |
856 | NetDevKind kind = ltype; | |
cebe1257 | 857 | Hashmap **h = data; |
02b59d57 TG |
858 | int r; |
859 | ||
860 | assert(filename); | |
861 | assert(lvalue); | |
862 | assert(rvalue); | |
863 | assert(data); | |
95dba435 YW |
864 | assert(IN_SET(kind, |
865 | NETDEV_KIND_VLAN, NETDEV_KIND_MACVLAN, NETDEV_KIND_MACVTAP, | |
69c317a0 | 866 | NETDEV_KIND_IPVLAN, NETDEV_KIND_IPVTAP, NETDEV_KIND_VXLAN, |
98d20a17 | 867 | NETDEV_KIND_L2TP, NETDEV_KIND_MACSEC, _NETDEV_KIND_TUNNEL, |
868 | NETDEV_KIND_XFRM)); | |
54abf461 | 869 | |
cebe1257 | 870 | if (!ifname_valid(rvalue)) { |
d96edb2c | 871 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3772cfde | 872 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
873 | return 0; |
874 | } | |
875 | ||
cebe1257 YW |
876 | name = strdup(rvalue); |
877 | if (!name) | |
878 | return log_oom(); | |
3e570042 | 879 | |
cebe1257 YW |
880 | r = hashmap_ensure_allocated(h, &string_hash_ops); |
881 | if (r < 0) | |
882 | return log_oom(); | |
326cb406 | 883 | |
cebe1257 | 884 | r = hashmap_put(*h, name, INT_TO_PTR(kind)); |
83ec4592 | 885 | if (r < 0) |
d96edb2c | 886 | log_syntax(unit, LOG_WARNING, filename, line, r, |
83ec4592 ZJS |
887 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
888 | else if (r == 0) | |
889 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
890 | "NetDev '%s' specified twice, ignoring.", name); | |
891 | else | |
892 | name = NULL; | |
47e2dc31 | 893 | |
fe6b2d55 TG |
894 | return 0; |
895 | } | |
7951dea2 | 896 | |
3df9bec5 LP |
897 | int config_parse_domains( |
898 | const char *unit, | |
899 | const char *filename, | |
900 | unsigned line, | |
901 | const char *section, | |
902 | unsigned section_line, | |
903 | const char *lvalue, | |
904 | int ltype, | |
905 | const char *rvalue, | |
906 | void *data, | |
907 | void *userdata) { | |
908 | ||
3df9bec5 | 909 | Network *n = data; |
6192b846 TG |
910 | int r; |
911 | ||
3df9bec5 LP |
912 | assert(n); |
913 | assert(lvalue); | |
914 | assert(rvalue); | |
6192b846 | 915 | |
3df9bec5 | 916 | if (isempty(rvalue)) { |
5e2a51d5 ZJS |
917 | n->search_domains = ordered_set_free_free(n->search_domains); |
918 | n->route_domains = ordered_set_free_free(n->route_domains); | |
3df9bec5 LP |
919 | return 0; |
920 | } | |
67272d15 | 921 | |
d96edb2c | 922 | for (const char *p = rvalue;;) { |
3df9bec5 LP |
923 | _cleanup_free_ char *w = NULL, *normalized = NULL; |
924 | const char *domain; | |
925 | bool is_route; | |
926 | ||
927 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
928 | if (r == -ENOMEM) |
929 | return log_oom(); | |
3df9bec5 | 930 | if (r < 0) { |
d96edb2c | 931 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 932 | "Failed to extract search or route domain, ignoring: %s", rvalue); |
d96edb2c | 933 | return 0; |
3df9bec5 LP |
934 | } |
935 | if (r == 0) | |
d96edb2c | 936 | return 0; |
3df9bec5 LP |
937 | |
938 | is_route = w[0] == '~'; | |
939 | domain = is_route ? w + 1 : w; | |
940 | ||
941 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
942 | /* If the root domain appears as is, or the special token "*" is found, we'll |
943 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 944 | is_route = true; |
ab24039f ZJS |
945 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
946 | * domain as "." */ | |
3df9bec5 | 947 | } else { |
7470cc4c | 948 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 949 | if (r < 0) { |
d96edb2c | 950 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 951 | "'%s' is not a valid domain name, ignoring.", domain); |
3df9bec5 LP |
952 | continue; |
953 | } | |
954 | ||
955 | domain = normalized; | |
956 | ||
957 | if (is_localhost(domain)) { | |
d96edb2c | 958 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f ZJS |
959 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", |
960 | domain); | |
37de2509 | 961 | continue; |
3df9bec5 | 962 | } |
37de2509 | 963 | } |
40274ed6 | 964 | |
5e2a51d5 ZJS |
965 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
966 | r = ordered_set_ensure_allocated(set, &string_hash_ops); | |
967 | if (r < 0) | |
d96edb2c | 968 | return log_oom(); |
5e2a51d5 ZJS |
969 | |
970 | r = ordered_set_put_strdup(*set, domain); | |
09451975 LP |
971 | if (r < 0) |
972 | return log_oom(); | |
40274ed6 | 973 | } |
6192b846 TG |
974 | } |
975 | ||
60c35566 | 976 | int config_parse_ipv6token( |
7f77697a TG |
977 | const char* unit, |
978 | const char *filename, | |
979 | unsigned line, | |
980 | const char *section, | |
981 | unsigned section_line, | |
982 | const char *lvalue, | |
983 | int ltype, | |
984 | const char *rvalue, | |
985 | void *data, | |
986 | void *userdata) { | |
987 | ||
988 | union in_addr_union buffer; | |
989 | struct in6_addr *token = data; | |
990 | int r; | |
991 | ||
992 | assert(filename); | |
993 | assert(lvalue); | |
994 | assert(rvalue); | |
995 | assert(token); | |
996 | ||
997 | r = in_addr_from_string(AF_INET6, rvalue, &buffer); | |
998 | if (r < 0) { | |
d96edb2c | 999 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1000 | "Failed to parse IPv6 token, ignoring: %s", rvalue); |
7f77697a TG |
1001 | return 0; |
1002 | } | |
1003 | ||
c606db69 | 1004 | if (in_addr_is_null(AF_INET6, &buffer)) { |
d96edb2c | 1005 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1006 | "IPv6 token cannot be the ANY address, ignoring: %s", rvalue); |
7f77697a TG |
1007 | return 0; |
1008 | } | |
1009 | ||
1010 | if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) { | |
d96edb2c | 1011 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1012 | "IPv6 token cannot be longer than 64 bits, ignoring: %s", rvalue); |
7f77697a TG |
1013 | return 0; |
1014 | } | |
1015 | ||
1016 | *token = buffer.in6; | |
1017 | ||
1018 | return 0; | |
1019 | } | |
8add5f79 | 1020 | |
49092e22 | 1021 | static const char* const ipv6_privacy_extensions_table[_IPV6_PRIVACY_EXTENSIONS_MAX] = { |
1f0d9695 LP |
1022 | [IPV6_PRIVACY_EXTENSIONS_NO] = "no", |
1023 | [IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC] = "prefer-public", | |
1024 | [IPV6_PRIVACY_EXTENSIONS_YES] = "yes", | |
49092e22 SS |
1025 | }; |
1026 | ||
b146ad71 YW |
1027 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(ipv6_privacy_extensions, IPv6PrivacyExtensions, |
1028 | IPV6_PRIVACY_EXTENSIONS_YES); | |
49092e22 SS |
1029 | |
1030 | int config_parse_ipv6_privacy_extensions( | |
1031 | const char* unit, | |
1032 | const char *filename, | |
1033 | unsigned line, | |
1034 | const char *section, | |
1035 | unsigned section_line, | |
1036 | const char *lvalue, | |
1037 | int ltype, | |
1038 | const char *rvalue, | |
1039 | void *data, | |
1040 | void *userdata) { | |
1041 | ||
b146ad71 | 1042 | IPv6PrivacyExtensions s, *ipv6_privacy_extensions = data; |
49092e22 SS |
1043 | |
1044 | assert(filename); | |
1045 | assert(lvalue); | |
1046 | assert(rvalue); | |
1047 | assert(ipv6_privacy_extensions); | |
1048 | ||
b146ad71 YW |
1049 | s = ipv6_privacy_extensions_from_string(rvalue); |
1050 | if (s < 0) { | |
1051 | if (streq(rvalue, "kernel")) | |
1052 | s = _IPV6_PRIVACY_EXTENSIONS_INVALID; | |
1053 | else { | |
d96edb2c | 1054 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
b146ad71 YW |
1055 | "Failed to parse IPv6 privacy extensions option, ignoring: %s", rvalue); |
1056 | return 0; | |
49092e22 | 1057 | } |
49092e22 SS |
1058 | } |
1059 | ||
b146ad71 YW |
1060 | *ipv6_privacy_extensions = s; |
1061 | ||
49092e22 SS |
1062 | return 0; |
1063 | } | |
a7d0ef44 | 1064 | |
1ac608c9 LP |
1065 | int config_parse_hostname( |
1066 | const char *unit, | |
1067 | const char *filename, | |
1068 | unsigned line, | |
1069 | const char *section, | |
1070 | unsigned section_line, | |
1071 | const char *lvalue, | |
1072 | int ltype, | |
1073 | const char *rvalue, | |
1074 | void *data, | |
1075 | void *userdata) { | |
1076 | ||
6528693a YW |
1077 | _cleanup_free_ char *hn = NULL; |
1078 | char **hostname = data; | |
a7d0ef44 SS |
1079 | int r; |
1080 | ||
1081 | assert(filename); | |
1082 | assert(lvalue); | |
1083 | assert(rvalue); | |
1084 | ||
1ac608c9 | 1085 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
1086 | if (r < 0) |
1087 | return r; | |
1088 | ||
1ac608c9 | 1089 | if (!hostname_is_valid(hn, false)) { |
d96edb2c | 1090 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1091 | "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
1092 | return 0; |
1093 | } | |
1094 | ||
6528693a YW |
1095 | r = dns_name_is_valid(hn); |
1096 | if (r < 0) { | |
d96edb2c | 1097 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1098 | "Failed to check validity of hostname '%s', ignoring assignment: %m", rvalue); |
6528693a YW |
1099 | return 0; |
1100 | } | |
1101 | if (r == 0) { | |
d96edb2c | 1102 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 1103 | "Hostname is not a valid DNS domain name, ignoring assignment: %s", rvalue); |
6528693a YW |
1104 | return 0; |
1105 | } | |
1106 | ||
1107 | return free_and_replace(*hostname, hn); | |
a7d0ef44 | 1108 | } |
8eb9058d LP |
1109 | |
1110 | int config_parse_timezone( | |
1111 | const char *unit, | |
1112 | const char *filename, | |
1113 | unsigned line, | |
1114 | const char *section, | |
1115 | unsigned section_line, | |
1116 | const char *lvalue, | |
1117 | int ltype, | |
1118 | const char *rvalue, | |
1119 | void *data, | |
1120 | void *userdata) { | |
1121 | ||
19f9e4e2 YW |
1122 | _cleanup_free_ char *tz = NULL; |
1123 | char **datap = data; | |
8eb9058d LP |
1124 | int r; |
1125 | ||
1126 | assert(filename); | |
1127 | assert(lvalue); | |
1128 | assert(rvalue); | |
1129 | ||
1130 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1131 | if (r < 0) | |
1132 | return r; | |
1133 | ||
d96edb2c YW |
1134 | if (!timezone_is_valid(tz, LOG_WARNING)) { |
1135 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
ab24039f | 1136 | "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1137 | return 0; |
1138 | } | |
1139 | ||
19f9e4e2 | 1140 | return free_and_replace(*datap, tz); |
8eb9058d | 1141 | } |
1a04db0f | 1142 | |
53253824 SS |
1143 | int config_parse_dns( |
1144 | const char *unit, | |
1145 | const char *filename, | |
1146 | unsigned line, | |
1147 | const char *section, | |
1148 | unsigned section_line, | |
1149 | const char *lvalue, | |
1150 | int ltype, | |
1151 | const char *rvalue, | |
1152 | void *data, | |
1153 | void *userdata) { | |
1154 | ||
1155 | Network *n = userdata; | |
1156 | int r; | |
1157 | ||
1158 | assert(filename); | |
1159 | assert(lvalue); | |
1160 | assert(rvalue); | |
1161 | ||
d96edb2c | 1162 | if (isempty(rvalue)) { |
e77bd3fd YW |
1163 | for (unsigned i = 0; i < n->n_dns; i++) |
1164 | in_addr_full_free(n->dns[i]); | |
d96edb2c YW |
1165 | n->dns = mfree(n->dns); |
1166 | n->n_dns = 0; | |
1167 | return 0; | |
1168 | } | |
1169 | ||
1170 | for (const char *p = rvalue;;) { | |
e77bd3fd | 1171 | _cleanup_(in_addr_full_freep) struct in_addr_full *dns = NULL; |
53253824 | 1172 | _cleanup_free_ char *w = NULL; |
e77bd3fd | 1173 | struct in_addr_full **m; |
53253824 | 1174 | |
d96edb2c | 1175 | r = extract_first_word(&p, &w, NULL, 0); |
53253824 SS |
1176 | if (r == -ENOMEM) |
1177 | return log_oom(); | |
1178 | if (r < 0) { | |
d96edb2c | 1179 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1180 | "Invalid syntax, ignoring: %s", rvalue); |
d96edb2c | 1181 | return 0; |
53253824 | 1182 | } |
5512a963 | 1183 | if (r == 0) |
d96edb2c | 1184 | return 0; |
53253824 | 1185 | |
e77bd3fd | 1186 | r = in_addr_full_new_from_string(w, &dns); |
53253824 | 1187 | if (r < 0) { |
d96edb2c | 1188 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1189 | "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1190 | continue; |
1191 | } | |
1192 | ||
e77bd3fd YW |
1193 | if (IN_SET(dns->port, 53, 853)) |
1194 | dns->port = 0; | |
1195 | ||
1196 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_full*)); | |
5512a963 | 1197 | if (!m) |
53253824 SS |
1198 | return log_oom(); |
1199 | ||
e77bd3fd | 1200 | m[n->n_dns++] = TAKE_PTR(dns); |
5512a963 | 1201 | n->dns = m; |
53253824 | 1202 | } |
53253824 SS |
1203 | } |
1204 | ||
8a516214 LP |
1205 | int config_parse_dnssec_negative_trust_anchors( |
1206 | const char *unit, | |
1207 | const char *filename, | |
1208 | unsigned line, | |
1209 | const char *section, | |
1210 | unsigned section_line, | |
1211 | const char *lvalue, | |
1212 | int ltype, | |
1213 | const char *rvalue, | |
1214 | void *data, | |
1215 | void *userdata) { | |
1216 | ||
8a516214 LP |
1217 | Network *n = data; |
1218 | int r; | |
1219 | ||
3df9bec5 | 1220 | assert(n); |
8a516214 LP |
1221 | assert(lvalue); |
1222 | assert(rvalue); | |
1223 | ||
1224 | if (isempty(rvalue)) { | |
1225 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1226 | return 0; | |
1227 | } | |
1228 | ||
d96edb2c | 1229 | for (const char *p = rvalue;;) { |
8a516214 LP |
1230 | _cleanup_free_ char *w = NULL; |
1231 | ||
1232 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
1233 | if (r == -ENOMEM) |
1234 | return log_oom(); | |
8a516214 | 1235 | if (r < 0) { |
d96edb2c | 1236 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1237 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); |
d96edb2c | 1238 | return 0; |
8a516214 LP |
1239 | } |
1240 | if (r == 0) | |
d96edb2c | 1241 | return 0; |
8a516214 LP |
1242 | |
1243 | r = dns_name_is_valid(w); | |
1244 | if (r <= 0) { | |
d96edb2c | 1245 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1246 | "%s is not a valid domain name, ignoring.", w); |
8a516214 LP |
1247 | continue; |
1248 | } | |
1249 | ||
35e601d4 | 1250 | r = set_ensure_consume(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops, TAKE_PTR(w)); |
8a516214 LP |
1251 | if (r < 0) |
1252 | return log_oom(); | |
8a516214 | 1253 | } |
8a516214 | 1254 | } |
b2a81c0b | 1255 | |
26575990 LP |
1256 | int config_parse_ntp( |
1257 | const char *unit, | |
1258 | const char *filename, | |
1259 | unsigned line, | |
1260 | const char *section, | |
1261 | unsigned section_line, | |
1262 | const char *lvalue, | |
1263 | int ltype, | |
1264 | const char *rvalue, | |
1265 | void *data, | |
1266 | void *userdata) { | |
1267 | ||
1268 | char ***l = data; | |
1269 | int r; | |
1270 | ||
1271 | assert(l); | |
1272 | assert(lvalue); | |
1273 | assert(rvalue); | |
1274 | ||
1275 | if (isempty(rvalue)) { | |
1276 | *l = strv_free(*l); | |
1277 | return 0; | |
1278 | } | |
1279 | ||
d96edb2c | 1280 | for (const char *p = rvalue;;) { |
26575990 LP |
1281 | _cleanup_free_ char *w = NULL; |
1282 | ||
d96edb2c | 1283 | r = extract_first_word(&p, &w, NULL, 0); |
26575990 LP |
1284 | if (r == -ENOMEM) |
1285 | return log_oom(); | |
1286 | if (r < 0) { | |
d96edb2c | 1287 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1288 | "Failed to extract NTP server name, ignoring: %s", rvalue); |
d96edb2c | 1289 | return 0; |
26575990 LP |
1290 | } |
1291 | if (r == 0) | |
d96edb2c | 1292 | return 0; |
26575990 LP |
1293 | |
1294 | r = dns_name_is_valid_or_address(w); | |
1295 | if (r <= 0) { | |
d96edb2c | 1296 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1297 | "%s is not a valid domain name or IP address, ignoring.", w); |
26575990 | 1298 | continue; |
af1c0de0 SS |
1299 | } |
1300 | ||
c448459d ZJS |
1301 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1302 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1303 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1304 | MAX_NTP_SERVERS, w); | |
d96edb2c | 1305 | return 0; |
c448459d ZJS |
1306 | } |
1307 | ||
1308 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1309 | if (r < 0) |
1310 | return log_oom(); | |
af1c0de0 | 1311 | } |
af1c0de0 SS |
1312 | } |
1313 | ||
4ac77d63 YW |
1314 | int config_parse_required_for_online( |
1315 | const char *unit, | |
1316 | const char *filename, | |
1317 | unsigned line, | |
1318 | const char *section, | |
1319 | unsigned section_line, | |
1320 | const char *lvalue, | |
1321 | int ltype, | |
1322 | const char *rvalue, | |
1323 | void *data, | |
1324 | void *userdata) { | |
1325 | ||
1326 | Network *network = data; | |
75cd4a5d | 1327 | LinkOperationalStateRange range; |
4ac77d63 YW |
1328 | bool required = true; |
1329 | int r; | |
1330 | ||
1331 | if (isempty(rvalue)) { | |
1332 | network->required_for_online = true; | |
75cd4a5d | 1333 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1334 | return 0; |
1335 | } | |
1336 | ||
75cd4a5d DDM |
1337 | r = parse_operational_state_range(rvalue, &range); |
1338 | if (r < 0) { | |
4ac77d63 YW |
1339 | r = parse_boolean(rvalue); |
1340 | if (r < 0) { | |
d96edb2c | 1341 | log_syntax(unit, LOG_WARNING, filename, line, r, |
4ac77d63 YW |
1342 | "Failed to parse %s= setting, ignoring assignment: %s", |
1343 | lvalue, rvalue); | |
1344 | return 0; | |
1345 | } | |
1346 | ||
1347 | required = r; | |
75cd4a5d | 1348 | range = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1349 | } |
1350 | ||
1351 | network->required_for_online = required; | |
75cd4a5d | 1352 | network->required_operstate_for_online = range; |
4ac77d63 YW |
1353 | |
1354 | return 0; | |
1355 | } | |
7da377ef SS |
1356 | |
1357 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, | |
1358 | "Failed to parse KeepConfiguration= setting"); | |
1359 | ||
1360 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1361 | [KEEP_CONFIGURATION_NO] = "no", |
1362 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1363 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1364 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1365 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1366 | }; |
1367 | ||
1368 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); | |
6f6296b9 YW |
1369 | |
1370 | static const char* const ipv6_link_local_address_gen_mode_table[_IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX] = { | |
1371 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64] = "eui64", | |
1372 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE] = "none", | |
1373 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY] = "stable-privacy", | |
1374 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_RANDOM] = "random", | |
1375 | }; | |
1376 | ||
1377 | DEFINE_STRING_TABLE_LOOKUP(ipv6_link_local_address_gen_mode, IPv6LinkLocalAddressGenMode); | |
1378 | 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"); |