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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" |
093e3533 | 18 | #include "networkd-address.h" |
ee446d57 | 19 | #include "networkd-fdb.h" |
23f53b99 | 20 | #include "networkd-manager.h" |
dbf63196 | 21 | #include "networkd-mdb.h" |
1939ebeb | 22 | #include "networkd-neighbor.h" |
3ffd4af2 | 23 | #include "networkd-network.h" |
75156ccb | 24 | #include "networkd-nexthop.h" |
b5ce4047 | 25 | #include "networkd-radv.h" |
ca183bf8 | 26 | #include "networkd-routing-policy-rule.h" |
518cd6b5 | 27 | #include "networkd-sriov.h" |
6bedfcbb | 28 | #include "parse-util.h" |
b0c82192 | 29 | #include "path-lookup.h" |
8a516214 | 30 | #include "set.h" |
cebe1257 | 31 | #include "socket-util.h" |
8fcde012 | 32 | #include "stat-util.h" |
8b43440b | 33 | #include "string-table.h" |
07630cea | 34 | #include "string-util.h" |
700f1186 | 35 | #include "strv.h" |
34658df2 | 36 | #include "tc.h" |
07630cea | 37 | #include "util.h" |
f579559b | 38 | |
c448459d ZJS |
39 | /* Let's assume that anything above this number is a user misconfiguration. */ |
40 | #define MAX_NTP_SERVERS 128 | |
41 | ||
add8d07d | 42 | /* Set defaults following RFC7844 */ |
43 | void network_apply_anonymize_if_set(Network *network) { | |
44 | if (!network->dhcp_anonymize) | |
45 | return; | |
46 | /* RFC7844 3.7 | |
47 | SHOULD NOT send the Host Name option */ | |
48 | network->dhcp_send_hostname = false; | |
49 | /* RFC7844 section 3.: | |
50 | MAY contain the Client Identifier option | |
51 | Section 3.5: | |
52 | clients MUST use client identifiers based solely | |
53 | on the link-layer address */ | |
54 | /* NOTE: Using MAC, as it does not reveal extra information, | |
55 | * and some servers might not answer if this option is not sent */ | |
56 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
57 | /* RFC 7844 3.10: | |
58 | SHOULD NOT use the Vendor Class Identifier option */ | |
727ba17f | 59 | network->dhcp_vendor_class_identifier = mfree(network->dhcp_vendor_class_identifier); |
add8d07d | 60 | /* RFC7844 section 3.6.: |
61 | The client intending to protect its privacy SHOULD only request a | |
62 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
43bf2874 | 63 | the ordering of option codes in the PRL. If this random ordering |
add8d07d | 64 | cannot be implemented, the client MAY order the option codes in the |
65 | PRL by option code number (lowest to highest). | |
66 | */ | |
67 | /* NOTE: dhcp_use_mtu is false by default, | |
68 | * though it was not initiallized to any value in network_load_one. | |
69 | * Maybe there should be another var called *send*? | |
70 | * (to use the MTU sent by the server but to do not send | |
71 | * the option in the PRL). */ | |
72 | network->dhcp_use_mtu = false; | |
28522b0d | 73 | /* NOTE: when Anonymize=yes, the PRL route options are sent by default, |
74 | * but this is needed to use them. */ | |
75 | network->dhcp_use_routes = true; | |
add8d07d | 76 | /* RFC7844 section 3.6. |
77 | * same comments as previous option */ | |
78 | network->dhcp_use_timezone = false; | |
79 | } | |
80 | ||
cebe1257 YW |
81 | static int network_resolve_netdev_one(Network *network, const char *name, NetDevKind kind, NetDev **ret_netdev) { |
82 | const char *kind_string; | |
83 | NetDev *netdev; | |
84 | int r; | |
85 | ||
96db6412 YW |
86 | /* For test-networkd-conf, the check must be earlier than the assertions. */ |
87 | if (!name) | |
88 | return 0; | |
89 | ||
cebe1257 YW |
90 | assert(network); |
91 | assert(network->manager); | |
92 | assert(network->filename); | |
93 | assert(ret_netdev); | |
94 | ||
cebe1257 YW |
95 | if (kind == _NETDEV_KIND_TUNNEL) |
96 | kind_string = "tunnel"; | |
97 | else { | |
98 | kind_string = netdev_kind_to_string(kind); | |
99 | if (!kind_string) | |
100 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
101 | "%s: Invalid NetDev kind of %s, ignoring assignment.", | |
102 | network->filename, name); | |
103 | } | |
104 | ||
105 | r = netdev_get(network->manager, name, &netdev); | |
106 | if (r < 0) | |
107 | return log_error_errno(r, "%s: %s NetDev could not be found, ignoring assignment.", | |
108 | network->filename, name); | |
109 | ||
110 | if (netdev->kind != kind && !(kind == _NETDEV_KIND_TUNNEL && | |
111 | IN_SET(netdev->kind, | |
112 | NETDEV_KIND_IPIP, | |
113 | NETDEV_KIND_SIT, | |
114 | NETDEV_KIND_GRE, | |
115 | NETDEV_KIND_GRETAP, | |
116 | NETDEV_KIND_IP6GRE, | |
117 | NETDEV_KIND_IP6GRETAP, | |
118 | NETDEV_KIND_VTI, | |
119 | NETDEV_KIND_VTI6, | |
9282f75b YW |
120 | NETDEV_KIND_IP6TNL, |
121 | NETDEV_KIND_ERSPAN))) | |
cebe1257 YW |
122 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
123 | "%s: NetDev %s is not a %s, ignoring assignment", | |
124 | network->filename, name, kind_string); | |
125 | ||
126 | *ret_netdev = netdev_ref(netdev); | |
127 | return 1; | |
128 | } | |
129 | ||
130 | static int network_resolve_stacked_netdevs(Network *network) { | |
131 | void *name, *kind; | |
cebe1257 YW |
132 | int r; |
133 | ||
134 | assert(network); | |
135 | ||
90e74a66 | 136 | HASHMAP_FOREACH_KEY(kind, name, network->stacked_netdev_names) { |
cebe1257 YW |
137 | _cleanup_(netdev_unrefp) NetDev *netdev = NULL; |
138 | ||
139 | r = network_resolve_netdev_one(network, name, PTR_TO_INT(kind), &netdev); | |
140 | if (r <= 0) | |
141 | continue; | |
142 | ||
143 | r = hashmap_ensure_allocated(&network->stacked_netdevs, &string_hash_ops); | |
144 | if (r < 0) | |
145 | return log_oom(); | |
146 | ||
147 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); | |
148 | if (r < 0) | |
149 | return log_error_errno(r, "%s: Failed to add NetDev '%s' to network: %m", | |
150 | network->filename, (const char *) name); | |
151 | ||
152 | netdev = NULL; | |
153 | } | |
154 | ||
155 | return 0; | |
156 | } | |
157 | ||
96db6412 | 158 | int network_verify(Network *network) { |
0321cea7 YW |
159 | assert(network); |
160 | assert(network->filename); | |
161 | ||
4bb7cc82 YW |
162 | if (set_isempty(network->match_mac) && set_isempty(network->match_permanent_mac) && |
163 | strv_isempty(network->match_path) && strv_isempty(network->match_driver) && | |
164 | strv_isempty(network->match_type) && strv_isempty(network->match_name) && | |
25c86e4c DDM |
165 | strv_isempty(network->match_property) && strv_isempty(network->match_wlan_iftype) && |
166 | strv_isempty(network->match_ssid) && !network->conditions) | |
dade7349 ZJS |
167 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
168 | "%s: No valid settings found in the [Match] section, ignoring file. " | |
169 | "To match all interfaces, add Name=* in the [Match] section.", | |
170 | network->filename); | |
84ea567e | 171 | |
cebe1257 | 172 | /* skip out early if configuration does not match the environment */ |
a0b191b7 | 173 | if (!condition_test_list(network->conditions, environ, NULL, NULL, NULL)) |
cebe1257 | 174 | return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), |
3772cfde ZJS |
175 | "%s: Conditions in the file do not match the system environment, skipping.", |
176 | network->filename); | |
cebe1257 YW |
177 | |
178 | (void) network_resolve_netdev_one(network, network->bond_name, NETDEV_KIND_BOND, &network->bond); | |
179 | (void) network_resolve_netdev_one(network, network->bridge_name, NETDEV_KIND_BRIDGE, &network->bridge); | |
180 | (void) network_resolve_netdev_one(network, network->vrf_name, NETDEV_KIND_VRF, &network->vrf); | |
181 | (void) network_resolve_stacked_netdevs(network); | |
182 | ||
183 | /* Free unnecessary entries. */ | |
184 | network->bond_name = mfree(network->bond_name); | |
185 | network->bridge_name = mfree(network->bridge_name); | |
186 | network->vrf_name = mfree(network->vrf_name); | |
187 | network->stacked_netdev_names = hashmap_free_free_key(network->stacked_netdev_names); | |
188 | ||
0321cea7 YW |
189 | if (network->bond) { |
190 | /* Bonding slave does not support addressing. */ | |
191 | if (network->ipv6_accept_ra > 0) { | |
ab24039f ZJS |
192 | log_warning("%s: Cannot enable IPv6AcceptRA= when Bond= is specified, disabling IPv6AcceptRA=.", |
193 | network->filename); | |
0321cea7 YW |
194 | network->ipv6_accept_ra = 0; |
195 | } | |
196 | if (network->link_local >= 0 && network->link_local != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
197 | log_warning("%s: Cannot enable LinkLocalAddressing= when Bond= is specified, disabling LinkLocalAddressing=.", |
198 | network->filename); | |
0321cea7 YW |
199 | network->link_local = ADDRESS_FAMILY_NO; |
200 | } | |
201 | if (network->dhcp != ADDRESS_FAMILY_NO) { | |
ab24039f ZJS |
202 | log_warning("%s: Cannot enable DHCP= when Bond= is specified, disabling DHCP=.", |
203 | network->filename); | |
0321cea7 YW |
204 | network->dhcp = ADDRESS_FAMILY_NO; |
205 | } | |
206 | if (network->dhcp_server) { | |
ab24039f ZJS |
207 | log_warning("%s: Cannot enable DHCPServer= when Bond= is specified, disabling DHCPServer=.", |
208 | network->filename); | |
0321cea7 YW |
209 | network->dhcp_server = false; |
210 | } | |
9cd9fc8f | 211 | if (!ordered_hashmap_isempty(network->addresses_by_section)) |
ab24039f ZJS |
212 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
213 | network->filename); | |
2a54a044 | 214 | if (!hashmap_isempty(network->routes_by_section)) |
ab24039f ZJS |
215 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
216 | network->filename); | |
9cd9fc8f YW |
217 | |
218 | network->addresses_by_section = ordered_hashmap_free_with_destructor(network->addresses_by_section, address_free); | |
2a54a044 | 219 | network->routes_by_section = hashmap_free_with_destructor(network->routes_by_section, route_free); |
0321cea7 YW |
220 | } |
221 | ||
222 | if (network->link_local < 0) | |
8f191801 YW |
223 | network->link_local = network->bridge ? ADDRESS_FAMILY_NO : ADDRESS_FAMILY_IPV6; |
224 | ||
44013aa4 YW |
225 | if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6)) { |
226 | if (network->ipv6_accept_ra > 0) { | |
227 | log_warning("%s: IPv6AcceptRA= is enabled by the .network file but IPv6 link local addressing is disabled. " | |
228 | "Disabling IPv6AcceptRA=.", network->filename); | |
229 | network->ipv6_accept_ra = false; | |
230 | } | |
231 | ||
232 | if (FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV6)) { | |
233 | log_warning("%s: DHCPv6 client is enabled by the .network file but IPv6 link local addressing is disabled. " | |
234 | "Disabling DHCPv6 client.", network->filename); | |
235 | SET_FLAG(network->dhcp, ADDRESS_FAMILY_IPV6, false); | |
236 | } | |
237 | ||
238 | if (network->router_prefix_delegation != RADV_PREFIX_DELEGATION_NONE) { | |
239 | log_warning("%s: IPv6PrefixDelegation= is enabled but IPv6 link local addressing is disabled. " | |
240 | "Disabling IPv6PrefixDelegation=.", network->filename); | |
241 | network->router_prefix_delegation = RADV_PREFIX_DELEGATION_NONE; | |
242 | } | |
243 | } | |
244 | ||
29e81083 YW |
245 | if (FLAGS_SET(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4) && |
246 | !FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV4)) { | |
247 | log_warning("%s: fallback assignment of IPv4 link local address is enabled but DHCPv4 is disabled. " | |
248 | "Disabling the fallback assignment.", network->filename); | |
249 | SET_FLAG(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4, false); | |
250 | } | |
251 | ||
8f191801 YW |
252 | if (network->ipv6_accept_ra < 0 && network->bridge) |
253 | network->ipv6_accept_ra = false; | |
0321cea7 YW |
254 | |
255 | /* IPMasquerade=yes implies IPForward=yes */ | |
256 | if (network->ip_masquerade) | |
257 | network->ip_forward |= ADDRESS_FAMILY_IPV4; | |
258 | ||
933c70a0 | 259 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
260 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
261 | "Disabling UseMTU=.", network->filename); | |
262 | network->dhcp_use_mtu = false; | |
263 | } | |
264 | ||
589397a2 DS |
265 | if (network->dhcp_use_gateway < 0) |
266 | network->dhcp_use_gateway = network->dhcp_use_routes; | |
267 | ||
bd0d471c DS |
268 | if (network->ignore_carrier_loss < 0) |
269 | network->ignore_carrier_loss = network->configure_without_carrier; | |
270 | ||
7da377ef SS |
271 | if (network->dhcp_critical >= 0) { |
272 | if (network->keep_configuration >= 0) | |
273 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
274 | "Ignoring CriticalConnection=.", network->filename); | |
275 | else if (network->dhcp_critical) | |
276 | /* CriticalConnection=yes also preserve foreign static configurations. */ | |
277 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
278 | else | |
80060352 | 279 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
280 | } |
281 | ||
282 | if (network->keep_configuration < 0) | |
80060352 | 283 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 284 | |
87851e0f YW |
285 | if (network->ipv6_proxy_ndp == 0 && !set_isempty(network->ipv6_proxy_ndp_addresses)) { |
286 | log_warning("%s: IPv6ProxyNDP= is disabled. Ignoring IPv6ProxyNDPAddress=.", network->filename); | |
287 | network->ipv6_proxy_ndp_addresses = set_free_free(network->ipv6_proxy_ndp_addresses); | |
288 | } | |
289 | ||
13ffa39f YW |
290 | network_drop_invalid_addresses(network); |
291 | network_drop_invalid_routes(network); | |
292 | network_drop_invalid_nexthops(network); | |
293 | network_drop_invalid_fdb_entries(network); | |
294 | network_drop_invalid_mdb_entries(network); | |
295 | network_drop_invalid_neighbors(network); | |
296 | network_drop_invalid_address_labels(network); | |
297 | network_drop_invalid_prefixes(network); | |
298 | network_drop_invalid_route_prefixes(network); | |
299 | network_drop_invalid_routing_policy_rules(network); | |
300 | network_drop_invalid_traffic_control(network); | |
301 | network_drop_invalid_sr_iov(network); | |
518cd6b5 | 302 | |
0321cea7 YW |
303 | return 0; |
304 | } | |
305 | ||
7f06b3e1 | 306 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 307 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 308 | _cleanup_(network_unrefp) Network *network = NULL; |
f579559b | 309 | _cleanup_fclose_ FILE *file = NULL; |
047a0dac | 310 | const char *dropin_dirname; |
838b2f7a | 311 | char *d; |
f579559b TG |
312 | int r; |
313 | ||
bf1bc670 TA |
314 | assert(manager); |
315 | assert(filename); | |
316 | ||
f579559b TG |
317 | file = fopen(filename, "re"); |
318 | if (!file) { | |
319 | if (errno == ENOENT) | |
320 | return 0; | |
1e7a0e21 LP |
321 | |
322 | return -errno; | |
f579559b TG |
323 | } |
324 | ||
ed88bcfb ZJS |
325 | if (null_or_empty_fd(fileno(file))) { |
326 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
327 | return 0; |
328 | } | |
329 | ||
838b2f7a YW |
330 | fname = strdup(filename); |
331 | if (!fname) | |
332 | return log_oom(); | |
333 | ||
334 | name = strdup(basename(filename)); | |
335 | if (!name) | |
336 | return log_oom(); | |
337 | ||
338 | d = strrchr(name, '.'); | |
339 | if (!d) | |
340 | return -EINVAL; | |
341 | ||
342 | *d = '\0'; | |
343 | ||
344 | dropin_dirname = strjoina(name, ".network.d"); | |
345 | ||
17f9c355 | 346 | network = new(Network, 1); |
f579559b TG |
347 | if (!network) |
348 | return log_oom(); | |
349 | ||
17f9c355 | 350 | *network = (Network) { |
838b2f7a YW |
351 | .filename = TAKE_PTR(fname), |
352 | .name = TAKE_PTR(name), | |
17f9c355 | 353 | |
715d398e | 354 | .manager = manager, |
35ac3b76 YW |
355 | .n_ref = 1, |
356 | ||
17f9c355 | 357 | .required_for_online = true, |
75cd4a5d | 358 | .required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT, |
17f9c355 | 359 | .dhcp = ADDRESS_FAMILY_NO, |
7da377ef | 360 | .dhcp_critical = -1, |
17f9c355 | 361 | .dhcp_use_ntp = true, |
299d578f | 362 | .dhcp_use_sip = true, |
17f9c355 YW |
363 | .dhcp_use_dns = true, |
364 | .dhcp_use_hostname = true, | |
365 | .dhcp_use_routes = true, | |
589397a2 | 366 | .dhcp_use_gateway = -1, |
5238e957 | 367 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 | 368 | .dhcp_send_hostname = true, |
5f3b5f19 | 369 | .dhcp_send_release = true, |
17f9c355 YW |
370 | /* To enable/disable RFC7844 Anonymity Profiles */ |
371 | .dhcp_anonymize = false, | |
372 | .dhcp_route_metric = DHCP_ROUTE_METRIC, | |
c9c908a6 | 373 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 YW |
374 | .dhcp_client_identifier = DHCP_CLIENT_ID_DUID, |
375 | .dhcp_route_table = RT_TABLE_MAIN, | |
376 | .dhcp_route_table_set = false, | |
377 | /* NOTE: from man: UseMTU=... Defaults to false*/ | |
378 | .dhcp_use_mtu = false, | |
379 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ | |
380 | .dhcp_use_timezone = false, | |
381 | .rapid_commit = true, | |
382 | ||
1bf1bfd9 | 383 | .dhcp6_route_metric = DHCP_ROUTE_METRIC, |
caa8ca42 SS |
384 | .dhcp6_use_ntp = true, |
385 | .dhcp6_use_dns = true, | |
386 | ||
99e015e2 YW |
387 | .dhcp6_pd_subnet_id = -1, |
388 | .dhcp6_pd_assign = true, | |
9efa8a3c | 389 | |
2a71d57f LP |
390 | .dhcp_server_emit[SD_DHCP_LEASE_DNS].emit = true, |
391 | .dhcp_server_emit[SD_DHCP_LEASE_NTP].emit = true, | |
392 | .dhcp_server_emit[SD_DHCP_LEASE_SIP].emit = true, | |
393 | ||
17f9c355 YW |
394 | .dhcp_server_emit_router = true, |
395 | .dhcp_server_emit_timezone = true, | |
396 | ||
397 | .router_emit_dns = true, | |
398 | .router_emit_domains = true, | |
399 | ||
400 | .use_bpdu = -1, | |
401 | .hairpin = -1, | |
402 | .fast_leave = -1, | |
403 | .allow_port_to_be_root = -1, | |
404 | .unicast_flood = -1, | |
7f15b714 | 405 | .multicast_flood = -1, |
d3aa8b49 | 406 | .multicast_to_unicast = -1, |
7f15b714 TJ |
407 | .neighbor_suppression = -1, |
408 | .learning = -1, | |
1087623b SS |
409 | .bridge_proxy_arp = -1, |
410 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 411 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 412 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 YW |
413 | |
414 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, | |
415 | ||
7ece6f58 | 416 | .dns_default_route = -1, |
17f9c355 YW |
417 | .llmnr = RESOLVE_SUPPORT_YES, |
418 | .mdns = RESOLVE_SUPPORT_NO, | |
419 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
420 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
421 | ||
0321cea7 | 422 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 423 | .link_local = _ADDRESS_FAMILY_INVALID, |
6f6296b9 | 424 | .ipv6ll_address_gen_mode = _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID, |
17f9c355 | 425 | |
94d76d07 YW |
426 | .ipv4_accept_local = -1, |
427 | ||
17f9c355 YW |
428 | .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO, |
429 | .ipv6_accept_ra = -1, | |
430 | .ipv6_dad_transmits = -1, | |
431 | .ipv6_hop_limit = -1, | |
432 | .ipv6_proxy_ndp = -1, | |
433 | .duid.type = _DUID_TYPE_INVALID, | |
434 | .proxy_arp = -1, | |
435 | .arp = -1, | |
436 | .multicast = -1, | |
437 | .allmulticast = -1, | |
438 | .ipv6_accept_ra_use_dns = true, | |
062c2eea SS |
439 | .ipv6_accept_ra_use_autonomous_prefix = true, |
440 | .ipv6_accept_ra_use_onlink_prefix = true, | |
17f9c355 | 441 | .ipv6_accept_ra_route_table = RT_TABLE_MAIN, |
d5fa3339 | 442 | .ipv6_accept_ra_route_table_set = false, |
d739fdde | 443 | .ipv6_accept_ra_start_dhcp6_client = true, |
c423be28 | 444 | |
bd0d471c DS |
445 | .configure_without_carrier = false, |
446 | .ignore_carrier_loss = -1, | |
7da377ef | 447 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, |
c423be28 | 448 | .can_triple_sampling = -1, |
52aa38f1 | 449 | .can_termination = -1, |
f594b5fe CG |
450 | .can_listen_only = -1, |
451 | .can_fd_mode = -1, | |
452 | .can_non_iso = -1, | |
afe42aef | 453 | .ip_service_type = -1, |
17f9c355 | 454 | }; |
f579559b | 455 | |
4f9ff96a LP |
456 | r = config_parse_many( |
457 | filename, NETWORK_DIRS, dropin_dirname, | |
458 | "Match\0" | |
459 | "Link\0" | |
518cd6b5 | 460 | "SR-IOV\0" |
4f9ff96a LP |
461 | "Network\0" |
462 | "Address\0" | |
463 | "Neighbor\0" | |
464 | "IPv6AddressLabel\0" | |
465 | "RoutingPolicyRule\0" | |
466 | "Route\0" | |
467 | "NextHop\0" | |
468 | "DHCP\0" /* compat */ | |
469 | "DHCPv4\0" | |
470 | "DHCPv6\0" | |
b209cff2 | 471 | "DHCPv6PrefixDelegation\0" |
4f9ff96a LP |
472 | "DHCPServer\0" |
473 | "IPv6AcceptRA\0" | |
474 | "IPv6NDPProxyAddress\0" | |
475 | "Bridge\0" | |
476 | "BridgeFDB\0" | |
3db468ea | 477 | "BridgeMDB\0" |
4f9ff96a LP |
478 | "BridgeVLAN\0" |
479 | "IPv6PrefixDelegation\0" | |
480 | "IPv6Prefix\0" | |
481 | "IPv6RoutePrefix\0" | |
482 | "LLDP\0" | |
483 | "TrafficControlQueueingDiscipline\0" | |
484 | "CAN\0" | |
485 | "QDisc\0" | |
486 | "BFIFO\0" | |
487 | "CAKE\0" | |
488 | "ControlledDelay\0" | |
489 | "DeficitRoundRobinScheduler\0" | |
490 | "DeficitRoundRobinSchedulerClass\0" | |
d474aa51 | 491 | "EnhancedTransmissionSelection\0" |
4f9ff96a LP |
492 | "FairQueueing\0" |
493 | "FairQueueingControlledDelay\0" | |
8f6b6d70 | 494 | "FlowQueuePIE\0" |
4f9ff96a LP |
495 | "GenericRandomEarlyDetection\0" |
496 | "HeavyHitterFilter\0" | |
497 | "HierarchyTokenBucket\0" | |
498 | "HierarchyTokenBucketClass\0" | |
499 | "NetworkEmulator\0" | |
b12aaee5 SS |
500 | "PFIFO\0" |
501 | "PFIFOFast\0" | |
502 | "PFIFOHeadDrop\0" | |
4f9ff96a | 503 | "PIE\0" |
b12aaee5 | 504 | "QuickFairQueueing\0" |
4d7ddaf9 | 505 | "QuickFairQueueingClass\0" |
4f9ff96a LP |
506 | "StochasticFairBlue\0" |
507 | "StochasticFairnessQueueing\0" | |
508 | "TokenBucketFilter\0" | |
509 | "TrivialLinkEqualizer\0", | |
510 | config_item_perf_lookup, network_network_gperf_lookup, | |
511 | CONFIG_PARSE_WARN, | |
512 | network, | |
513 | &network->timestamp); | |
102bc043 | 514 | if (r < 0) |
f579559b | 515 | return r; |
f579559b | 516 | |
add8d07d | 517 | network_apply_anonymize_if_set(network); |
518 | ||
fa7cd711 YW |
519 | r = network_add_ipv4ll_route(network); |
520 | if (r < 0) | |
521 | log_warning_errno(r, "%s: Failed to add IPv4LL route, ignoring: %m", network->filename); | |
522 | ||
5d5003ab YW |
523 | r = network_add_default_route_on_device(network); |
524 | if (r < 0) | |
525 | log_warning_errno(r, "%s: Failed to add default route on device, ignoring: %m", | |
526 | network->filename); | |
527 | ||
7f06b3e1 YW |
528 | if (network_verify(network) < 0) |
529 | /* Ignore .network files that do not match the conditions. */ | |
530 | return 0; | |
531 | ||
532 | r = ordered_hashmap_ensure_allocated(networks, &string_hash_ops); | |
dbffab87 TG |
533 | if (r < 0) |
534 | return r; | |
535 | ||
7f06b3e1 | 536 | r = ordered_hashmap_put(*networks, network->name, network); |
dbffab87 TG |
537 | if (r < 0) |
538 | return r; | |
539 | ||
f579559b | 540 | network = NULL; |
f579559b TG |
541 | return 0; |
542 | } | |
543 | ||
7f06b3e1 | 544 | int network_load(Manager *manager, OrderedHashmap **networks) { |
477e73b5 ZJS |
545 | _cleanup_strv_free_ char **files = NULL; |
546 | char **f; | |
f579559b TG |
547 | int r; |
548 | ||
549 | assert(manager); | |
550 | ||
7f06b3e1 | 551 | ordered_hashmap_clear_with_destructor(*networks, network_unref); |
f579559b | 552 | |
dc0d4078 | 553 | r = conf_files_list_strv(&files, ".network", NULL, 0, NETWORK_DIRS); |
f647962d MS |
554 | if (r < 0) |
555 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b | 556 | |
715d398e | 557 | STRV_FOREACH(f, files) { |
7f06b3e1 | 558 | r = network_load_one(manager, networks, *f); |
f579559b | 559 | if (r < 0) |
be711082 | 560 | log_error_errno(r, "Failed to load %s, ignoring: %m", *f); |
f579559b TG |
561 | } |
562 | ||
f579559b TG |
563 | return 0; |
564 | } | |
565 | ||
7f06b3e1 YW |
566 | int network_reload(Manager *manager) { |
567 | OrderedHashmap *new_networks = NULL; | |
568 | Network *n, *old; | |
7f06b3e1 YW |
569 | int r; |
570 | ||
571 | assert(manager); | |
572 | ||
573 | r = network_load(manager, &new_networks); | |
574 | if (r < 0) | |
575 | goto failure; | |
576 | ||
90e74a66 | 577 | ORDERED_HASHMAP_FOREACH(n, new_networks) { |
7f06b3e1 YW |
578 | r = network_get_by_name(manager, n->name, &old); |
579 | if (r < 0) | |
580 | continue; /* The .network file is new. */ | |
581 | ||
582 | if (n->timestamp != old->timestamp) | |
583 | continue; /* The .network file is modified. */ | |
584 | ||
585 | if (!streq(n->filename, old->filename)) | |
586 | continue; | |
587 | ||
588 | r = ordered_hashmap_replace(new_networks, old->name, old); | |
589 | if (r < 0) | |
590 | goto failure; | |
591 | ||
592 | network_ref(old); | |
593 | network_unref(n); | |
594 | } | |
595 | ||
596 | ordered_hashmap_free_with_destructor(manager->networks, network_unref); | |
597 | manager->networks = new_networks; | |
598 | ||
599 | return 0; | |
600 | ||
601 | failure: | |
602 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
603 | ||
604 | return r; | |
605 | } | |
606 | ||
35ac3b76 | 607 | static Network *network_free(Network *network) { |
f579559b | 608 | if (!network) |
35ac3b76 | 609 | return NULL; |
f579559b TG |
610 | |
611 | free(network->filename); | |
612 | ||
e90d0374 | 613 | set_free_free(network->match_mac); |
4bb7cc82 | 614 | set_free_free(network->match_permanent_mac); |
5256e00e TG |
615 | strv_free(network->match_path); |
616 | strv_free(network->match_driver); | |
617 | strv_free(network->match_type); | |
618 | strv_free(network->match_name); | |
44005bfb | 619 | strv_free(network->match_property); |
78404d22 | 620 | strv_free(network->match_wlan_iftype); |
8d968fdd | 621 | strv_free(network->match_ssid); |
277ba8d1 | 622 | set_free_free(network->match_bssid); |
c4f58dea | 623 | condition_free_list(network->conditions); |
f579559b TG |
624 | |
625 | free(network->description); | |
edb85f0d | 626 | free(network->dhcp_vendor_class_identifier); |
7b8d23a9 | 627 | free(network->dhcp_mudurl); |
af1c0de0 | 628 | strv_free(network->dhcp_user_class); |
27cb34f5 | 629 | free(network->dhcp_hostname); |
6b000af4 | 630 | set_free(network->dhcp_deny_listed_ip); |
98ebef62 | 631 | set_free(network->dhcp_allow_listed_ip); |
5bc945be | 632 | set_free(network->dhcp_request_options); |
35f6a5cb | 633 | set_free(network->dhcp6_request_options); |
c106cc36 | 634 | free(network->mac); |
3175a8c2 | 635 | free(network->dhcp6_mudurl); |
f37f2a6b | 636 | strv_free(network->dhcp6_user_class); |
ed0d1b2e | 637 | strv_free(network->dhcp6_vendor_class); |
c106cc36 | 638 | |
b0e39c82 | 639 | strv_free(network->ntp); |
e77bd3fd YW |
640 | for (unsigned i = 0; i < network->n_dns; i++) |
641 | in_addr_full_free(network->dns[i]); | |
5512a963 | 642 | free(network->dns); |
5e2a51d5 ZJS |
643 | ordered_set_free_free(network->search_domains); |
644 | ordered_set_free_free(network->route_domains); | |
0d4ad91d | 645 | strv_free(network->bind_carrier); |
cdd7812b | 646 | |
5e2a51d5 | 647 | ordered_set_free_free(network->router_search_domains); |
cdd7812b | 648 | free(network->router_dns); |
6b000af4 | 649 | set_free_free(network->ndisc_deny_listed_prefix); |
3bef724f | 650 | |
cebe1257 YW |
651 | free(network->bridge_name); |
652 | free(network->bond_name); | |
653 | free(network->vrf_name); | |
654 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 655 | netdev_unref(network->bridge); |
47e2dc31 | 656 | netdev_unref(network->bond); |
6cb955c6 | 657 | netdev_unref(network->vrf); |
fa6f1e54 | 658 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 659 | |
d349f502 | 660 | set_free_free(network->ipv6_proxy_ndp_addresses); |
9cd9fc8f | 661 | ordered_hashmap_free_with_destructor(network->addresses_by_section, address_free); |
2a54a044 | 662 | hashmap_free_with_destructor(network->routes_by_section, route_free); |
b82663dd | 663 | hashmap_free_with_destructor(network->nexthops_by_section, nexthop_free); |
62ed9442 | 664 | hashmap_free_with_destructor(network->fdb_entries_by_section, fdb_entry_free); |
03c9738e | 665 | hashmap_free_with_destructor(network->mdb_entries_by_section, mdb_entry_free); |
b0ba6938 | 666 | hashmap_free_with_destructor(network->neighbors_by_section, neighbor_free); |
d6a2a0f9 | 667 | hashmap_free_with_destructor(network->address_labels_by_section, address_label_free); |
ecb0e85e YW |
668 | hashmap_free_with_destructor(network->prefixes_by_section, prefix_free); |
669 | hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free); | |
ca183bf8 | 670 | hashmap_free_with_destructor(network->rules_by_section, routing_policy_rule_free); |
518cd6b5 | 671 | ordered_hashmap_free_with_destructor(network->sr_iov_by_section, sr_iov_free); |
34658df2 | 672 | ordered_hashmap_free_with_destructor(network->tc_by_section, traffic_control_free); |
6ae115c1 | 673 | |
7f06b3e1 YW |
674 | if (network->manager && |
675 | network->manager->duids_requesting_uuid) | |
676 | set_remove(network->manager->duids_requesting_uuid, &network->duid); | |
dbffab87 TG |
677 | |
678 | free(network->name); | |
f579559b | 679 | |
8eb9058d | 680 | free(network->dhcp_server_timezone); |
2a71d57f LP |
681 | |
682 | for (sd_dhcp_lease_server_type t = 0; t < _SD_DHCP_LEASE_SERVER_TYPE_MAX; t++) | |
683 | free(network->dhcp_server_emit[t].addresses); | |
8eb9058d | 684 | |
8a516214 LP |
685 | set_free_free(network->dnssec_negative_trust_anchors); |
686 | ||
e9a8c550 SS |
687 | free(network->lldp_mud); |
688 | ||
0e96961d | 689 | ordered_hashmap_free(network->dhcp_client_send_options); |
7354900d | 690 | ordered_hashmap_free(network->dhcp_client_send_vendor_options); |
0e96961d | 691 | ordered_hashmap_free(network->dhcp_server_send_options); |
7354900d | 692 | ordered_hashmap_free(network->dhcp_server_send_vendor_options); |
2c621495 | 693 | ordered_set_free(network->ipv6_tokens); |
1c3ec1cd | 694 | ordered_hashmap_free(network->dhcp6_client_send_options); |
b4ccc5de | 695 | ordered_hashmap_free(network->dhcp6_client_send_vendor_options); |
cb29c156 | 696 | |
35ac3b76 | 697 | return mfree(network); |
f579559b TG |
698 | } |
699 | ||
35ac3b76 YW |
700 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
701 | ||
dbffab87 TG |
702 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
703 | Network *network; | |
704 | ||
705 | assert(manager); | |
706 | assert(name); | |
707 | assert(ret); | |
708 | ||
715d398e | 709 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
710 | if (!network) |
711 | return -ENOENT; | |
712 | ||
713 | *ret = network; | |
714 | ||
715 | return 0; | |
716 | } | |
717 | ||
ef62949a | 718 | int network_get(Manager *manager, unsigned short iftype, sd_device *device, |
c643bda5 YW |
719 | const char *ifname, char * const *alternative_names, const char *driver, |
720 | const struct ether_addr *mac, const struct ether_addr *permanent_mac, | |
78404d22 YW |
721 | enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, |
722 | Network **ret) { | |
51517f9e | 723 | Network *network; |
f579559b TG |
724 | |
725 | assert(manager); | |
f579559b | 726 | assert(ret); |
af3aa302 | 727 | |
90e74a66 | 728 | ORDERED_HASHMAP_FOREACH(network, manager->networks) |
4bb7cc82 YW |
729 | if (net_match_config(network->match_mac, network->match_permanent_mac, |
730 | network->match_path, network->match_driver, | |
44005bfb | 731 | network->match_type, network->match_name, network->match_property, |
78404d22 | 732 | network->match_wlan_iftype, network->match_ssid, network->match_bssid, |
c643bda5 | 733 | device, mac, permanent_mac, driver, iftype, |
4bb7cc82 | 734 | ifname, alternative_names, wlan_iftype, ssid, bssid)) { |
24c083df | 735 | if (network->match_name && device) { |
ca6038b8 TG |
736 | const char *attr; |
737 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
738 | ||
51517f9e | 739 | if (sd_device_get_sysattr_value(device, "name_assign_type", &attr) >= 0) |
dc751688 | 740 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
741 | |
742 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
743 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
744 | ifname, network->filename); | |
32bc8adc | 745 | else |
a2fae7bb | 746 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 747 | } else |
a2fae7bb | 748 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 749 | |
f579559b TG |
750 | *ret = network; |
751 | return 0; | |
752 | } | |
f579559b TG |
753 | |
754 | *ret = NULL; | |
755 | ||
756 | return -ENOENT; | |
757 | } | |
758 | ||
7d342c03 | 759 | int network_apply(Network *network, Link *link) { |
c4a03a56 TG |
760 | assert(network); |
761 | assert(link); | |
762 | ||
c9c908a6 | 763 | link->network = network_ref(network); |
f579559b | 764 | |
5512a963 | 765 | if (network->n_dns > 0 || |
3df9bec5 | 766 | !strv_isempty(network->ntp) || |
5e2a51d5 ZJS |
767 | !ordered_set_isempty(network->search_domains) || |
768 | !ordered_set_isempty(network->route_domains)) | |
84de38c5 | 769 | link_dirty(link); |
3bef724f | 770 | |
f579559b TG |
771 | return 0; |
772 | } | |
02b59d57 | 773 | |
adfeee49 | 774 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 775 | Address *address; |
adfeee49 YW |
776 | Route *route; |
777 | FdbEntry *fdb; | |
3db468ea | 778 | MdbEntry *mdb; |
adfeee49 | 779 | Neighbor *neighbor; |
439689c6 SS |
780 | |
781 | assert(network); | |
782 | ||
9cd9fc8f | 783 | ORDERED_HASHMAP_FOREACH(address, network->addresses_by_section) |
439689c6 SS |
784 | if (address->family == AF_INET6) |
785 | return true; | |
adfeee49 | 786 | |
2a54a044 | 787 | HASHMAP_FOREACH(route, network->routes_by_section) |
adfeee49 YW |
788 | if (route->family == AF_INET6) |
789 | return true; | |
790 | ||
62ed9442 | 791 | HASHMAP_FOREACH(fdb, network->fdb_entries_by_section) |
adfeee49 YW |
792 | if (fdb->family == AF_INET6) |
793 | return true; | |
794 | ||
03c9738e | 795 | HASHMAP_FOREACH(mdb, network->mdb_entries_by_section) |
3db468ea DM |
796 | if (mdb->family == AF_INET6) |
797 | return true; | |
798 | ||
b0ba6938 | 799 | HASHMAP_FOREACH(neighbor, network->neighbors_by_section) |
adfeee49 YW |
800 | if (neighbor->family == AF_INET6) |
801 | return true; | |
802 | ||
d6a2a0f9 | 803 | if (!hashmap_isempty(network->address_labels_by_section)) |
adfeee49 YW |
804 | return true; |
805 | ||
ecb0e85e | 806 | if (!hashmap_isempty(network->prefixes_by_section)) |
adfeee49 | 807 | return true; |
d30081c2 YW |
808 | |
809 | if (!hashmap_isempty(network->route_prefixes_by_section)) | |
810 | return true; | |
439689c6 SS |
811 | |
812 | return false; | |
813 | } | |
814 | ||
cebe1257 | 815 | int config_parse_stacked_netdev(const char *unit, |
02b59d57 TG |
816 | const char *filename, |
817 | unsigned line, | |
818 | const char *section, | |
819 | unsigned section_line, | |
820 | const char *lvalue, | |
821 | int ltype, | |
822 | const char *rvalue, | |
823 | void *data, | |
824 | void *userdata) { | |
95dba435 YW |
825 | _cleanup_free_ char *name = NULL; |
826 | NetDevKind kind = ltype; | |
cebe1257 | 827 | Hashmap **h = data; |
02b59d57 TG |
828 | int r; |
829 | ||
830 | assert(filename); | |
831 | assert(lvalue); | |
832 | assert(rvalue); | |
833 | assert(data); | |
95dba435 YW |
834 | assert(IN_SET(kind, |
835 | NETDEV_KIND_VLAN, NETDEV_KIND_MACVLAN, NETDEV_KIND_MACVTAP, | |
69c317a0 | 836 | NETDEV_KIND_IPVLAN, NETDEV_KIND_IPVTAP, NETDEV_KIND_VXLAN, |
98d20a17 | 837 | NETDEV_KIND_L2TP, NETDEV_KIND_MACSEC, _NETDEV_KIND_TUNNEL, |
838 | NETDEV_KIND_XFRM)); | |
54abf461 | 839 | |
cebe1257 | 840 | if (!ifname_valid(rvalue)) { |
d96edb2c | 841 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3772cfde | 842 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
843 | return 0; |
844 | } | |
845 | ||
cebe1257 YW |
846 | name = strdup(rvalue); |
847 | if (!name) | |
848 | return log_oom(); | |
3e570042 | 849 | |
cebe1257 YW |
850 | r = hashmap_ensure_allocated(h, &string_hash_ops); |
851 | if (r < 0) | |
852 | return log_oom(); | |
326cb406 | 853 | |
cebe1257 | 854 | r = hashmap_put(*h, name, INT_TO_PTR(kind)); |
83ec4592 | 855 | if (r < 0) |
d96edb2c | 856 | log_syntax(unit, LOG_WARNING, filename, line, r, |
83ec4592 ZJS |
857 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
858 | else if (r == 0) | |
859 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
860 | "NetDev '%s' specified twice, ignoring.", name); | |
861 | else | |
862 | name = NULL; | |
47e2dc31 | 863 | |
fe6b2d55 TG |
864 | return 0; |
865 | } | |
7951dea2 | 866 | |
3df9bec5 LP |
867 | int config_parse_domains( |
868 | const char *unit, | |
869 | const char *filename, | |
870 | unsigned line, | |
871 | const char *section, | |
872 | unsigned section_line, | |
873 | const char *lvalue, | |
874 | int ltype, | |
875 | const char *rvalue, | |
876 | void *data, | |
877 | void *userdata) { | |
878 | ||
3df9bec5 | 879 | Network *n = data; |
6192b846 TG |
880 | int r; |
881 | ||
3df9bec5 LP |
882 | assert(n); |
883 | assert(lvalue); | |
884 | assert(rvalue); | |
6192b846 | 885 | |
3df9bec5 | 886 | if (isempty(rvalue)) { |
5e2a51d5 ZJS |
887 | n->search_domains = ordered_set_free_free(n->search_domains); |
888 | n->route_domains = ordered_set_free_free(n->route_domains); | |
3df9bec5 LP |
889 | return 0; |
890 | } | |
67272d15 | 891 | |
d96edb2c | 892 | for (const char *p = rvalue;;) { |
3df9bec5 LP |
893 | _cleanup_free_ char *w = NULL, *normalized = NULL; |
894 | const char *domain; | |
895 | bool is_route; | |
896 | ||
897 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
898 | if (r == -ENOMEM) |
899 | return log_oom(); | |
3df9bec5 | 900 | if (r < 0) { |
d96edb2c | 901 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 902 | "Failed to extract search or route domain, ignoring: %s", rvalue); |
d96edb2c | 903 | return 0; |
3df9bec5 LP |
904 | } |
905 | if (r == 0) | |
d96edb2c | 906 | return 0; |
3df9bec5 LP |
907 | |
908 | is_route = w[0] == '~'; | |
909 | domain = is_route ? w + 1 : w; | |
910 | ||
911 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
912 | /* If the root domain appears as is, or the special token "*" is found, we'll |
913 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 914 | is_route = true; |
ab24039f ZJS |
915 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
916 | * domain as "." */ | |
3df9bec5 | 917 | } else { |
7470cc4c | 918 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 919 | if (r < 0) { |
d96edb2c | 920 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 921 | "'%s' is not a valid domain name, ignoring.", domain); |
3df9bec5 LP |
922 | continue; |
923 | } | |
924 | ||
925 | domain = normalized; | |
926 | ||
927 | if (is_localhost(domain)) { | |
d96edb2c | 928 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f ZJS |
929 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", |
930 | domain); | |
37de2509 | 931 | continue; |
3df9bec5 | 932 | } |
37de2509 | 933 | } |
40274ed6 | 934 | |
5e2a51d5 ZJS |
935 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
936 | r = ordered_set_ensure_allocated(set, &string_hash_ops); | |
937 | if (r < 0) | |
d96edb2c | 938 | return log_oom(); |
5e2a51d5 ZJS |
939 | |
940 | r = ordered_set_put_strdup(*set, domain); | |
09451975 LP |
941 | if (r < 0) |
942 | return log_oom(); | |
40274ed6 | 943 | } |
6192b846 TG |
944 | } |
945 | ||
1ac608c9 LP |
946 | int config_parse_hostname( |
947 | const char *unit, | |
948 | const char *filename, | |
949 | unsigned line, | |
950 | const char *section, | |
951 | unsigned section_line, | |
952 | const char *lvalue, | |
953 | int ltype, | |
954 | const char *rvalue, | |
955 | void *data, | |
956 | void *userdata) { | |
957 | ||
6528693a YW |
958 | _cleanup_free_ char *hn = NULL; |
959 | char **hostname = data; | |
a7d0ef44 SS |
960 | int r; |
961 | ||
962 | assert(filename); | |
963 | assert(lvalue); | |
964 | assert(rvalue); | |
965 | ||
1ac608c9 | 966 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
967 | if (r < 0) |
968 | return r; | |
969 | ||
1ac608c9 | 970 | if (!hostname_is_valid(hn, false)) { |
d96edb2c | 971 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 972 | "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
973 | return 0; |
974 | } | |
975 | ||
6528693a YW |
976 | r = dns_name_is_valid(hn); |
977 | if (r < 0) { | |
d96edb2c | 978 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 979 | "Failed to check validity of hostname '%s', ignoring assignment: %m", rvalue); |
6528693a YW |
980 | return 0; |
981 | } | |
982 | if (r == 0) { | |
d96edb2c | 983 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 984 | "Hostname is not a valid DNS domain name, ignoring assignment: %s", rvalue); |
6528693a YW |
985 | return 0; |
986 | } | |
987 | ||
988 | return free_and_replace(*hostname, hn); | |
a7d0ef44 | 989 | } |
8eb9058d LP |
990 | |
991 | int config_parse_timezone( | |
992 | const char *unit, | |
993 | const char *filename, | |
994 | unsigned line, | |
995 | const char *section, | |
996 | unsigned section_line, | |
997 | const char *lvalue, | |
998 | int ltype, | |
999 | const char *rvalue, | |
1000 | void *data, | |
1001 | void *userdata) { | |
1002 | ||
19f9e4e2 YW |
1003 | _cleanup_free_ char *tz = NULL; |
1004 | char **datap = data; | |
8eb9058d LP |
1005 | int r; |
1006 | ||
1007 | assert(filename); | |
1008 | assert(lvalue); | |
1009 | assert(rvalue); | |
1010 | ||
1011 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
1012 | if (r < 0) | |
1013 | return r; | |
1014 | ||
d96edb2c YW |
1015 | if (!timezone_is_valid(tz, LOG_WARNING)) { |
1016 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
ab24039f | 1017 | "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1018 | return 0; |
1019 | } | |
1020 | ||
19f9e4e2 | 1021 | return free_and_replace(*datap, tz); |
8eb9058d | 1022 | } |
1a04db0f | 1023 | |
53253824 SS |
1024 | int config_parse_dns( |
1025 | const char *unit, | |
1026 | const char *filename, | |
1027 | unsigned line, | |
1028 | const char *section, | |
1029 | unsigned section_line, | |
1030 | const char *lvalue, | |
1031 | int ltype, | |
1032 | const char *rvalue, | |
1033 | void *data, | |
1034 | void *userdata) { | |
1035 | ||
1036 | Network *n = userdata; | |
1037 | int r; | |
1038 | ||
1039 | assert(filename); | |
1040 | assert(lvalue); | |
1041 | assert(rvalue); | |
1042 | ||
d96edb2c | 1043 | if (isempty(rvalue)) { |
e77bd3fd YW |
1044 | for (unsigned i = 0; i < n->n_dns; i++) |
1045 | in_addr_full_free(n->dns[i]); | |
d96edb2c YW |
1046 | n->dns = mfree(n->dns); |
1047 | n->n_dns = 0; | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | for (const char *p = rvalue;;) { | |
e77bd3fd | 1052 | _cleanup_(in_addr_full_freep) struct in_addr_full *dns = NULL; |
53253824 | 1053 | _cleanup_free_ char *w = NULL; |
e77bd3fd | 1054 | struct in_addr_full **m; |
53253824 | 1055 | |
d96edb2c | 1056 | r = extract_first_word(&p, &w, NULL, 0); |
53253824 SS |
1057 | if (r == -ENOMEM) |
1058 | return log_oom(); | |
1059 | if (r < 0) { | |
d96edb2c | 1060 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1061 | "Invalid syntax, ignoring: %s", rvalue); |
d96edb2c | 1062 | return 0; |
53253824 | 1063 | } |
5512a963 | 1064 | if (r == 0) |
d96edb2c | 1065 | return 0; |
53253824 | 1066 | |
e77bd3fd | 1067 | r = in_addr_full_new_from_string(w, &dns); |
53253824 | 1068 | if (r < 0) { |
d96edb2c | 1069 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1070 | "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1071 | continue; |
1072 | } | |
1073 | ||
e77bd3fd YW |
1074 | if (IN_SET(dns->port, 53, 853)) |
1075 | dns->port = 0; | |
1076 | ||
1077 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_full*)); | |
5512a963 | 1078 | if (!m) |
53253824 SS |
1079 | return log_oom(); |
1080 | ||
e77bd3fd | 1081 | m[n->n_dns++] = TAKE_PTR(dns); |
5512a963 | 1082 | n->dns = m; |
53253824 | 1083 | } |
53253824 SS |
1084 | } |
1085 | ||
8a516214 LP |
1086 | int config_parse_dnssec_negative_trust_anchors( |
1087 | const char *unit, | |
1088 | const char *filename, | |
1089 | unsigned line, | |
1090 | const char *section, | |
1091 | unsigned section_line, | |
1092 | const char *lvalue, | |
1093 | int ltype, | |
1094 | const char *rvalue, | |
1095 | void *data, | |
1096 | void *userdata) { | |
1097 | ||
8a516214 LP |
1098 | Network *n = data; |
1099 | int r; | |
1100 | ||
3df9bec5 | 1101 | assert(n); |
8a516214 LP |
1102 | assert(lvalue); |
1103 | assert(rvalue); | |
1104 | ||
1105 | if (isempty(rvalue)) { | |
1106 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1107 | return 0; | |
1108 | } | |
1109 | ||
d96edb2c | 1110 | for (const char *p = rvalue;;) { |
8a516214 LP |
1111 | _cleanup_free_ char *w = NULL; |
1112 | ||
1113 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
1114 | if (r == -ENOMEM) |
1115 | return log_oom(); | |
8a516214 | 1116 | if (r < 0) { |
d96edb2c | 1117 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1118 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); |
d96edb2c | 1119 | return 0; |
8a516214 LP |
1120 | } |
1121 | if (r == 0) | |
d96edb2c | 1122 | return 0; |
8a516214 LP |
1123 | |
1124 | r = dns_name_is_valid(w); | |
1125 | if (r <= 0) { | |
d96edb2c | 1126 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1127 | "%s is not a valid domain name, ignoring.", w); |
8a516214 LP |
1128 | continue; |
1129 | } | |
1130 | ||
35e601d4 | 1131 | r = set_ensure_consume(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops, TAKE_PTR(w)); |
8a516214 LP |
1132 | if (r < 0) |
1133 | return log_oom(); | |
8a516214 | 1134 | } |
8a516214 | 1135 | } |
b2a81c0b | 1136 | |
26575990 LP |
1137 | int config_parse_ntp( |
1138 | const char *unit, | |
1139 | const char *filename, | |
1140 | unsigned line, | |
1141 | const char *section, | |
1142 | unsigned section_line, | |
1143 | const char *lvalue, | |
1144 | int ltype, | |
1145 | const char *rvalue, | |
1146 | void *data, | |
1147 | void *userdata) { | |
1148 | ||
1149 | char ***l = data; | |
1150 | int r; | |
1151 | ||
1152 | assert(l); | |
1153 | assert(lvalue); | |
1154 | assert(rvalue); | |
1155 | ||
1156 | if (isempty(rvalue)) { | |
1157 | *l = strv_free(*l); | |
1158 | return 0; | |
1159 | } | |
1160 | ||
d96edb2c | 1161 | for (const char *p = rvalue;;) { |
26575990 LP |
1162 | _cleanup_free_ char *w = NULL; |
1163 | ||
d96edb2c | 1164 | r = extract_first_word(&p, &w, NULL, 0); |
26575990 LP |
1165 | if (r == -ENOMEM) |
1166 | return log_oom(); | |
1167 | if (r < 0) { | |
d96edb2c | 1168 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1169 | "Failed to extract NTP server name, ignoring: %s", rvalue); |
d96edb2c | 1170 | return 0; |
26575990 LP |
1171 | } |
1172 | if (r == 0) | |
d96edb2c | 1173 | return 0; |
26575990 LP |
1174 | |
1175 | r = dns_name_is_valid_or_address(w); | |
1176 | if (r <= 0) { | |
d96edb2c | 1177 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1178 | "%s is not a valid domain name or IP address, ignoring.", w); |
26575990 | 1179 | continue; |
af1c0de0 SS |
1180 | } |
1181 | ||
c448459d ZJS |
1182 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1183 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1184 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1185 | MAX_NTP_SERVERS, w); | |
d96edb2c | 1186 | return 0; |
c448459d ZJS |
1187 | } |
1188 | ||
1189 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1190 | if (r < 0) |
1191 | return log_oom(); | |
af1c0de0 | 1192 | } |
af1c0de0 SS |
1193 | } |
1194 | ||
4ac77d63 YW |
1195 | int config_parse_required_for_online( |
1196 | const char *unit, | |
1197 | const char *filename, | |
1198 | unsigned line, | |
1199 | const char *section, | |
1200 | unsigned section_line, | |
1201 | const char *lvalue, | |
1202 | int ltype, | |
1203 | const char *rvalue, | |
1204 | void *data, | |
1205 | void *userdata) { | |
1206 | ||
1207 | Network *network = data; | |
75cd4a5d | 1208 | LinkOperationalStateRange range; |
4ac77d63 YW |
1209 | bool required = true; |
1210 | int r; | |
1211 | ||
1212 | if (isempty(rvalue)) { | |
1213 | network->required_for_online = true; | |
75cd4a5d | 1214 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1215 | return 0; |
1216 | } | |
1217 | ||
75cd4a5d DDM |
1218 | r = parse_operational_state_range(rvalue, &range); |
1219 | if (r < 0) { | |
4ac77d63 YW |
1220 | r = parse_boolean(rvalue); |
1221 | if (r < 0) { | |
d96edb2c | 1222 | log_syntax(unit, LOG_WARNING, filename, line, r, |
4ac77d63 YW |
1223 | "Failed to parse %s= setting, ignoring assignment: %s", |
1224 | lvalue, rvalue); | |
1225 | return 0; | |
1226 | } | |
1227 | ||
1228 | required = r; | |
75cd4a5d | 1229 | range = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1230 | } |
1231 | ||
1232 | network->required_for_online = required; | |
75cd4a5d | 1233 | network->required_operstate_for_online = range; |
4ac77d63 YW |
1234 | |
1235 | return 0; | |
1236 | } | |
7da377ef SS |
1237 | |
1238 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, | |
1239 | "Failed to parse KeepConfiguration= setting"); | |
1240 | ||
1241 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1242 | [KEEP_CONFIGURATION_NO] = "no", |
1243 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1244 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1245 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1246 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1247 | }; |
1248 | ||
1249 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); | |
6f6296b9 YW |
1250 | |
1251 | static const char* const ipv6_link_local_address_gen_mode_table[_IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX] = { | |
1252 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64] = "eui64", | |
1253 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE] = "none", | |
1254 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY] = "stable-privacy", | |
1255 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_RANDOM] = "random", | |
1256 | }; | |
1257 | ||
1258 | DEFINE_STRING_TABLE_LOOKUP(ipv6_link_local_address_gen_mode, IPv6LinkLocalAddressGenMode); | |
1259 | 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"); |