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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
f579559b | 2 | |
edda10f2 | 3 | /* Make sure the net/if.h header is included before any linux/ one */ |
9aa5d8ba YW |
4 | #include <net/if.h> |
5 | #include <netinet/in.h> | |
01234e1f | 6 | #include <linux/netdevice.h> |
a0b191b7 | 7 | #include <unistd.h> |
69a93e7d | 8 | |
b5efdb8a | 9 | #include "alloc-util.h" |
f579559b TG |
10 | #include "conf-files.h" |
11 | #include "conf-parser.h" | |
37de2509 | 12 | #include "dns-domain.h" |
3ffd4af2 | 13 | #include "fd-util.h" |
07630cea | 14 | #include "hostname-util.h" |
88295a05 | 15 | #include "in-addr-util.h" |
7e19cc54 | 16 | #include "net-condition.h" |
c918b70a | 17 | #include "netdev/macvlan.h" |
fb486c90 | 18 | #include "networkd-address-label.h" |
093e3533 | 19 | #include "networkd-address.h" |
9671ae9d | 20 | #include "networkd-bridge-fdb.h" |
ff9e0783 | 21 | #include "networkd-bridge-mdb.h" |
22d37e5d | 22 | #include "networkd-dhcp-common.h" |
c517a49b | 23 | #include "networkd-dhcp-server-static-lease.h" |
14d9ab9d | 24 | #include "networkd-ipv6-proxy-ndp.h" |
23f53b99 | 25 | #include "networkd-manager.h" |
3773eb54 | 26 | #include "networkd-ndisc.h" |
1939ebeb | 27 | #include "networkd-neighbor.h" |
3ffd4af2 | 28 | #include "networkd-network.h" |
75156ccb | 29 | #include "networkd-nexthop.h" |
b5ce4047 | 30 | #include "networkd-radv.h" |
3b6a3bde | 31 | #include "networkd-route.h" |
ca183bf8 | 32 | #include "networkd-routing-policy-rule.h" |
518cd6b5 | 33 | #include "networkd-sriov.h" |
6bedfcbb | 34 | #include "parse-util.h" |
b0c82192 | 35 | #include "path-lookup.h" |
3a67b8bb | 36 | #include "qdisc.h" |
4f1ac4a3 | 37 | #include "radv-internal.h" |
8a516214 | 38 | #include "set.h" |
cebe1257 | 39 | #include "socket-util.h" |
8fcde012 | 40 | #include "stat-util.h" |
8b43440b | 41 | #include "string-table.h" |
07630cea | 42 | #include "string-util.h" |
700f1186 | 43 | #include "strv.h" |
3a67b8bb | 44 | #include "tclass.h" |
f579559b | 45 | |
c448459d | 46 | /* Let's assume that anything above this number is a user misconfiguration. */ |
63b98386 | 47 | #define MAX_NTP_SERVERS 128U |
c448459d | 48 | |
8f9bdeab | 49 | static int network_resolve_netdev_one(Network *network, const char *name, NetDevKind kind, NetDev **ret) { |
cebe1257 YW |
50 | const char *kind_string; |
51 | NetDev *netdev; | |
52 | int r; | |
53 | ||
96db6412 YW |
54 | /* For test-networkd-conf, the check must be earlier than the assertions. */ |
55 | if (!name) | |
56 | return 0; | |
57 | ||
cebe1257 YW |
58 | assert(network); |
59 | assert(network->manager); | |
60 | assert(network->filename); | |
8f9bdeab | 61 | assert(ret); |
cebe1257 | 62 | |
cebe1257 YW |
63 | if (kind == _NETDEV_KIND_TUNNEL) |
64 | kind_string = "tunnel"; | |
65 | else { | |
66 | kind_string = netdev_kind_to_string(kind); | |
67 | if (!kind_string) | |
8f9bdeab YW |
68 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
69 | "%s: Invalid NetDev kind of %s, ignoring assignment.", | |
70 | network->filename, name); | |
cebe1257 YW |
71 | } |
72 | ||
73 | r = netdev_get(network->manager, name, &netdev); | |
74 | if (r < 0) | |
8f9bdeab YW |
75 | return log_warning_errno(r, "%s: %s NetDev could not be found, ignoring assignment.", |
76 | network->filename, name); | |
cebe1257 YW |
77 | |
78 | if (netdev->kind != kind && !(kind == _NETDEV_KIND_TUNNEL && | |
79 | IN_SET(netdev->kind, | |
bc945c2b | 80 | NETDEV_KIND_ERSPAN, |
cebe1257 YW |
81 | NETDEV_KIND_GRE, |
82 | NETDEV_KIND_GRETAP, | |
83 | NETDEV_KIND_IP6GRE, | |
84 | NETDEV_KIND_IP6GRETAP, | |
9282f75b | 85 | NETDEV_KIND_IP6TNL, |
bc945c2b YW |
86 | NETDEV_KIND_IPIP, |
87 | NETDEV_KIND_SIT, | |
88 | NETDEV_KIND_VTI, | |
89 | NETDEV_KIND_VTI6))) | |
8f9bdeab YW |
90 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
91 | "%s: NetDev %s is not a %s, ignoring assignment", | |
92 | network->filename, name, kind_string); | |
cebe1257 | 93 | |
8f9bdeab | 94 | *ret = netdev_ref(netdev); |
cebe1257 YW |
95 | return 1; |
96 | } | |
97 | ||
98 | static int network_resolve_stacked_netdevs(Network *network) { | |
99 | void *name, *kind; | |
cebe1257 YW |
100 | int r; |
101 | ||
102 | assert(network); | |
103 | ||
90e74a66 | 104 | HASHMAP_FOREACH_KEY(kind, name, network->stacked_netdev_names) { |
cebe1257 YW |
105 | _cleanup_(netdev_unrefp) NetDev *netdev = NULL; |
106 | ||
8f9bdeab | 107 | if (network_resolve_netdev_one(network, name, PTR_TO_INT(kind), &netdev) <= 0) |
cebe1257 YW |
108 | continue; |
109 | ||
dcd46cc4 SS |
110 | r = hashmap_ensure_put(&network->stacked_netdevs, &string_hash_ops, netdev->ifname, netdev); |
111 | if (r == -ENOMEM) | |
cebe1257 | 112 | return log_oom(); |
cebe1257 | 113 | if (r < 0) |
8f9bdeab YW |
114 | log_warning_errno(r, "%s: Failed to add NetDev '%s' to network, ignoring: %m", |
115 | network->filename, (const char *) name); | |
cebe1257 YW |
116 | |
117 | netdev = NULL; | |
118 | } | |
119 | ||
120 | return 0; | |
121 | } | |
122 | ||
96db6412 | 123 | int network_verify(Network *network) { |
50783f91 YW |
124 | int r; |
125 | ||
0321cea7 | 126 | assert(network); |
ea853de5 | 127 | assert(network->manager); |
0321cea7 YW |
128 | assert(network->filename); |
129 | ||
5722fb89 | 130 | if (net_match_is_empty(&network->match) && !network->conditions) |
dade7349 ZJS |
131 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
132 | "%s: No valid settings found in the [Match] section, ignoring file. " | |
133 | "To match all interfaces, add Name=* in the [Match] section.", | |
134 | network->filename); | |
84ea567e | 135 | |
cebe1257 | 136 | /* skip out early if configuration does not match the environment */ |
a0b191b7 | 137 | if (!condition_test_list(network->conditions, environ, NULL, NULL, NULL)) |
cebe1257 | 138 | return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), |
3772cfde ZJS |
139 | "%s: Conditions in the file do not match the system environment, skipping.", |
140 | network->filename); | |
cebe1257 | 141 | |
57aef9d7 YW |
142 | if (network->keep_master) { |
143 | if (network->batadv_name) | |
144 | log_warning("%s: BatmanAdvanced= set with KeepMaster= enabled, ignoring BatmanAdvanced=.", | |
145 | network->filename); | |
146 | if (network->bond_name) | |
147 | log_warning("%s: Bond= set with KeepMaster= enabled, ignoring Bond=.", | |
148 | network->filename); | |
149 | if (network->bridge_name) | |
150 | log_warning("%s: Bridge= set with KeepMaster= enabled, ignoring Bridge=.", | |
151 | network->filename); | |
152 | if (network->vrf_name) | |
153 | log_warning("%s: VRF= set with KeepMaster= enabled, ignoring VRF=.", | |
154 | network->filename); | |
155 | ||
156 | network->batadv_name = mfree(network->batadv_name); | |
157 | network->bond_name = mfree(network->bond_name); | |
158 | network->bridge_name = mfree(network->bridge_name); | |
159 | network->vrf_name = mfree(network->vrf_name); | |
160 | } | |
161 | ||
c0267a59 | 162 | (void) network_resolve_netdev_one(network, network->batadv_name, NETDEV_KIND_BATADV, &network->batadv); |
cebe1257 YW |
163 | (void) network_resolve_netdev_one(network, network->bond_name, NETDEV_KIND_BOND, &network->bond); |
164 | (void) network_resolve_netdev_one(network, network->bridge_name, NETDEV_KIND_BRIDGE, &network->bridge); | |
165 | (void) network_resolve_netdev_one(network, network->vrf_name, NETDEV_KIND_VRF, &network->vrf); | |
8f9bdeab YW |
166 | r = network_resolve_stacked_netdevs(network); |
167 | if (r < 0) | |
168 | return r; | |
cebe1257 YW |
169 | |
170 | /* Free unnecessary entries. */ | |
c0267a59 | 171 | network->batadv_name = mfree(network->batadv_name); |
cebe1257 YW |
172 | network->bond_name = mfree(network->bond_name); |
173 | network->bridge_name = mfree(network->bridge_name); | |
174 | network->vrf_name = mfree(network->vrf_name); | |
175 | network->stacked_netdev_names = hashmap_free_free_key(network->stacked_netdev_names); | |
176 | ||
0321cea7 YW |
177 | if (network->bond) { |
178 | /* Bonding slave does not support addressing. */ | |
0321cea7 | 179 | if (network->link_local >= 0 && network->link_local != ADDRESS_FAMILY_NO) { |
ab24039f ZJS |
180 | log_warning("%s: Cannot enable LinkLocalAddressing= when Bond= is specified, disabling LinkLocalAddressing=.", |
181 | network->filename); | |
0321cea7 YW |
182 | network->link_local = ADDRESS_FAMILY_NO; |
183 | } | |
9cd9fc8f | 184 | if (!ordered_hashmap_isempty(network->addresses_by_section)) |
ab24039f ZJS |
185 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
186 | network->filename); | |
2a54a044 | 187 | if (!hashmap_isempty(network->routes_by_section)) |
ab24039f ZJS |
188 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
189 | network->filename); | |
9cd9fc8f | 190 | |
ebd96906 | 191 | network->addresses_by_section = ordered_hashmap_free(network->addresses_by_section); |
74c301b9 | 192 | network->routes_by_section = hashmap_free(network->routes_by_section); |
0321cea7 YW |
193 | } |
194 | ||
c918b70a TY |
195 | if (network->link_local < 0) { |
196 | network->link_local = ADDRESS_FAMILY_IPV6; | |
197 | ||
57aef9d7 | 198 | if (network->keep_master || network->bridge) |
c918b70a TY |
199 | network->link_local = ADDRESS_FAMILY_NO; |
200 | else { | |
201 | NetDev *netdev; | |
202 | ||
203 | HASHMAP_FOREACH(netdev, network->stacked_netdevs) { | |
204 | MacVlan *m; | |
205 | ||
206 | if (netdev->kind == NETDEV_KIND_MACVLAN) | |
207 | m = MACVLAN(netdev); | |
208 | else if (netdev->kind == NETDEV_KIND_MACVTAP) | |
209 | m = MACVTAP(netdev); | |
210 | else | |
211 | continue; | |
212 | ||
213 | if (m->mode == NETDEV_MACVLAN_MODE_PASSTHRU) | |
214 | network->link_local = ADDRESS_FAMILY_NO; | |
215 | ||
216 | /* There won't be a passthru MACVLAN/MACVTAP if there's already one in another mode */ | |
217 | break; | |
218 | } | |
219 | } | |
220 | } | |
221 | ||
75d5abd2 YW |
222 | if (network->ipv6ll_address_gen_mode == IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE) |
223 | SET_FLAG(network->link_local, ADDRESS_FAMILY_IPV6, false); | |
8f191801 | 224 | |
9e1432d5 YW |
225 | if (in6_addr_is_set(&network->ipv6ll_stable_secret) && |
226 | network->ipv6ll_address_gen_mode < 0) | |
227 | network->ipv6ll_address_gen_mode = IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY; | |
228 | ||
14d9ab9d | 229 | network_adjust_ipv6_proxy_ndp(network); |
52672db3 | 230 | network_adjust_ndisc(network); |
22d37e5d | 231 | network_adjust_dhcp(network); |
69e0f833 | 232 | network_adjust_radv(network); |
5546870e | 233 | network_adjust_bridge_vlan(network); |
3773eb54 | 234 | |
933c70a0 | 235 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
236 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
237 | "Disabling UseMTU=.", network->filename); | |
238 | network->dhcp_use_mtu = false; | |
239 | } | |
240 | ||
7da377ef | 241 | if (network->dhcp_critical >= 0) { |
ea853de5 YW |
242 | if (network->keep_configuration >= 0) { |
243 | if (network->manager->keep_configuration < 0) | |
244 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
245 | "Ignoring CriticalConnection=.", network->filename); | |
246 | } else if (network->dhcp_critical) | |
7da377ef SS |
247 | /* CriticalConnection=yes also preserve foreign static configurations. */ |
248 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
249 | else | |
80060352 | 250 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
251 | } |
252 | ||
61135582 DS |
253 | if (!strv_isempty(network->bind_carrier)) { |
254 | if (!IN_SET(network->activation_policy, _ACTIVATION_POLICY_INVALID, ACTIVATION_POLICY_BOUND)) | |
255 | log_warning("%s: ActivationPolicy=bound is required with BindCarrier=. " | |
256 | "Setting ActivationPolicy=bound.", network->filename); | |
257 | network->activation_policy = ACTIVATION_POLICY_BOUND; | |
258 | } else if (network->activation_policy == ACTIVATION_POLICY_BOUND) { | |
259 | log_warning("%s: ActivationPolicy=bound requires BindCarrier=. " | |
260 | "Ignoring ActivationPolicy=bound.", network->filename); | |
261 | network->activation_policy = ACTIVATION_POLICY_UP; | |
262 | } | |
263 | ||
264 | if (network->activation_policy == _ACTIVATION_POLICY_INVALID) | |
265 | network->activation_policy = ACTIVATION_POLICY_UP; | |
266 | ||
267 | if (network->activation_policy == ACTIVATION_POLICY_ALWAYS_UP) { | |
6706ce2f YW |
268 | if (network->ignore_carrier_loss_set && network->ignore_carrier_loss_usec < USEC_INFINITY) |
269 | log_warning("%s: IgnoreCarrierLoss=no or finite timespan conflicts with ActivationPolicy=always-up. " | |
270 | "Setting IgnoreCarrierLoss=yes.", network->filename); | |
271 | network->ignore_carrier_loss_set = true; | |
272 | network->ignore_carrier_loss_usec = USEC_INFINITY; | |
61135582 DS |
273 | } |
274 | ||
27438545 | 275 | if (!network->ignore_carrier_loss_set) /* Set implied default. */ |
6706ce2f | 276 | network->ignore_carrier_loss_usec = network->configure_without_carrier ? USEC_INFINITY : 0; |
61135582 | 277 | |
7c644a69 DS |
278 | if (IN_SET(network->activation_policy, ACTIVATION_POLICY_DOWN, ACTIVATION_POLICY_ALWAYS_DOWN, ACTIVATION_POLICY_MANUAL)) { |
279 | if (network->required_for_online < 0 || | |
280 | (network->required_for_online == true && network->activation_policy == ACTIVATION_POLICY_ALWAYS_DOWN)) { | |
281 | log_debug("%s: Setting RequiredForOnline=no because ActivationPolicy=%s.", network->filename, | |
282 | activation_policy_to_string(network->activation_policy)); | |
283 | network->required_for_online = false; | |
284 | } else if (network->required_for_online == true) | |
285 | log_warning("%s: RequiredForOnline=yes and ActivationPolicy=%s, " | |
286 | "this may cause a delay at boot.", network->filename, | |
287 | activation_policy_to_string(network->activation_policy)); | |
288 | } | |
289 | ||
290 | if (network->required_for_online < 0) | |
291 | network->required_for_online = true; | |
292 | ||
7da377ef | 293 | if (network->keep_configuration < 0) |
80060352 | 294 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 295 | |
87851e0f YW |
296 | if (network->ipv6_proxy_ndp == 0 && !set_isempty(network->ipv6_proxy_ndp_addresses)) { |
297 | log_warning("%s: IPv6ProxyNDP= is disabled. Ignoring IPv6ProxyNDPAddress=.", network->filename); | |
298 | network->ipv6_proxy_ndp_addresses = set_free_free(network->ipv6_proxy_ndp_addresses); | |
299 | } | |
300 | ||
50783f91 YW |
301 | r = network_drop_invalid_addresses(network); |
302 | if (r < 0) | |
61ec7bea | 303 | return r; /* network_drop_invalid_addresses() logs internally. */ |
13ffa39f | 304 | network_drop_invalid_routes(network); |
015b2432 YW |
305 | r = network_drop_invalid_nexthops(network); |
306 | if (r < 0) | |
307 | return r; | |
9671ae9d | 308 | network_drop_invalid_bridge_fdb_entries(network); |
ff9e0783 | 309 | network_drop_invalid_bridge_mdb_entries(network); |
aa9626ee YW |
310 | r = network_drop_invalid_neighbors(network); |
311 | if (r < 0) | |
312 | return r; | |
13ffa39f YW |
313 | network_drop_invalid_address_labels(network); |
314 | network_drop_invalid_prefixes(network); | |
315 | network_drop_invalid_route_prefixes(network); | |
316 | network_drop_invalid_routing_policy_rules(network); | |
3a67b8bb YW |
317 | network_drop_invalid_qdisc(network); |
318 | network_drop_invalid_tclass(network); | |
41ce9d76 | 319 | r = sr_iov_drop_invalid_sections(UINT32_MAX, network->sr_iov_by_section); |
e217e22a | 320 | if (r < 0) |
61ec7bea | 321 | return r; /* sr_iov_drop_invalid_sections() logs internally. */ |
c517a49b | 322 | network_drop_invalid_static_leases(network); |
518cd6b5 | 323 | |
0321cea7 YW |
324 | return 0; |
325 | } | |
326 | ||
7f06b3e1 | 327 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 328 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 329 | _cleanup_(network_unrefp) Network *network = NULL; |
047a0dac | 330 | const char *dropin_dirname; |
838b2f7a | 331 | char *d; |
f579559b TG |
332 | int r; |
333 | ||
bf1bc670 TA |
334 | assert(manager); |
335 | assert(filename); | |
336 | ||
4e54a17d | 337 | r = null_or_empty_path(filename); |
4e54a17d | 338 | if (r < 0) |
61ec7bea | 339 | return log_warning_errno(r, "Failed to check if \"%s\" is empty: %m", filename); |
4e54a17d | 340 | if (r > 0) { |
ed88bcfb | 341 | log_debug("Skipping empty file: %s", filename); |
6916ec29 TG |
342 | return 0; |
343 | } | |
344 | ||
838b2f7a YW |
345 | fname = strdup(filename); |
346 | if (!fname) | |
347 | return log_oom(); | |
348 | ||
349 | name = strdup(basename(filename)); | |
350 | if (!name) | |
351 | return log_oom(); | |
352 | ||
353 | d = strrchr(name, '.'); | |
354 | if (!d) | |
61ec7bea | 355 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid file name: %s", filename); |
838b2f7a YW |
356 | |
357 | *d = '\0'; | |
358 | ||
359 | dropin_dirname = strjoina(name, ".network.d"); | |
360 | ||
17f9c355 | 361 | network = new(Network, 1); |
f579559b TG |
362 | if (!network) |
363 | return log_oom(); | |
364 | ||
17f9c355 | 365 | *network = (Network) { |
838b2f7a YW |
366 | .filename = TAKE_PTR(fname), |
367 | .name = TAKE_PTR(name), | |
17f9c355 | 368 | |
715d398e | 369 | .manager = manager, |
35ac3b76 YW |
370 | .n_ref = 1, |
371 | ||
7c644a69 | 372 | .required_for_online = -1, |
3255bda6 | 373 | .required_operstate_for_online = LINK_OPERSTATE_RANGE_INVALID, |
61135582 | 374 | .activation_policy = _ACTIVATION_POLICY_INVALID, |
cee68339 | 375 | .group = -1, |
db5756f3 YW |
376 | .arp = -1, |
377 | .multicast = -1, | |
378 | .allmulticast = -1, | |
937e305e | 379 | .promiscuous = -1, |
db5756f3 | 380 | |
ea853de5 | 381 | .keep_configuration = manager->keep_configuration, |
db5756f3 | 382 | |
4e26a5ba | 383 | .dhcp_duid.type = _DUID_TYPE_INVALID, |
7da377ef | 384 | .dhcp_critical = -1, |
17f9c355 | 385 | .dhcp_use_ntp = true, |
d7b04506 | 386 | .dhcp_routes_to_ntp = true, |
299d578f | 387 | .dhcp_use_sip = true, |
edb88a72 | 388 | .dhcp_use_captive_portal = true, |
17f9c355 | 389 | .dhcp_use_dns = true, |
70570306 | 390 | .dhcp_routes_to_dns = true, |
17f9c355 YW |
391 | .dhcp_use_hostname = true, |
392 | .dhcp_use_routes = true, | |
589397a2 | 393 | .dhcp_use_gateway = -1, |
17f9c355 | 394 | .dhcp_send_hostname = true, |
5f3b5f19 | 395 | .dhcp_send_release = true, |
17f9c355 | 396 | .dhcp_route_metric = DHCP_ROUTE_METRIC, |
cf289b14 | 397 | .dhcp_use_rapid_commit = -1, |
f90635f1 | 398 | .dhcp_client_identifier = _DHCP_CLIENT_ID_INVALID, |
17f9c355 | 399 | .dhcp_route_table = RT_TABLE_MAIN, |
db5756f3 | 400 | .dhcp_ip_service_type = -1, |
e70eca9b | 401 | .dhcp_broadcast = -1, |
fc35a9f8 | 402 | .dhcp_ipv6_only_mode = -1, |
17f9c355 | 403 | |
1536b7b2 | 404 | .dhcp6_use_address = true, |
0f5ef9b6 | 405 | .dhcp6_use_pd_prefix = true, |
1536b7b2 | 406 | .dhcp6_use_dns = true, |
38ba3da0 | 407 | .dhcp6_use_hostname = true, |
1536b7b2 | 408 | .dhcp6_use_ntp = true, |
a75feb55 | 409 | .dhcp6_use_captive_portal = true, |
50ee1fec | 410 | .dhcp6_use_rapid_commit = true, |
b90480c8 | 411 | .dhcp6_send_hostname = true, |
4e26a5ba | 412 | .dhcp6_duid.type = _DUID_TYPE_INVALID, |
0e45721e | 413 | .dhcp6_client_start_mode = _DHCP6_CLIENT_START_MODE_INVALID, |
b895aa5f | 414 | .dhcp6_send_release = true, |
caa8ca42 | 415 | |
a27588d4 YW |
416 | .dhcp_pd = -1, |
417 | .dhcp_pd_announce = true, | |
418 | .dhcp_pd_assign = true, | |
419 | .dhcp_pd_manage_temporary_address = true, | |
420 | .dhcp_pd_subnet_id = -1, | |
421 | .dhcp_pd_route_metric = DHCP6PD_ROUTE_METRIC, | |
9efa8a3c | 422 | |
21b6b87e | 423 | .dhcp_server_bind_to_interface = true, |
2a71d57f LP |
424 | .dhcp_server_emit[SD_DHCP_LEASE_DNS].emit = true, |
425 | .dhcp_server_emit[SD_DHCP_LEASE_NTP].emit = true, | |
426 | .dhcp_server_emit[SD_DHCP_LEASE_SIP].emit = true, | |
17f9c355 YW |
427 | .dhcp_server_emit_router = true, |
428 | .dhcp_server_emit_timezone = true, | |
1fa0a4ef | 429 | .dhcp_server_rapid_commit = true, |
a3ed665a | 430 | .dhcp_server_persist_leases = -1, |
17f9c355 | 431 | |
4f1ac4a3 | 432 | .router_lifetime_usec = RADV_DEFAULT_ROUTER_LIFETIME_USEC, |
c9e2c2da | 433 | .router_dns_lifetime_usec = RADV_DEFAULT_VALID_LIFETIME_USEC, |
17f9c355 YW |
434 | .router_emit_dns = true, |
435 | .router_emit_domains = true, | |
436 | ||
437 | .use_bpdu = -1, | |
438 | .hairpin = -1, | |
97f27f8a | 439 | .isolated = -1, |
17f9c355 YW |
440 | .fast_leave = -1, |
441 | .allow_port_to_be_root = -1, | |
442 | .unicast_flood = -1, | |
7f15b714 | 443 | .multicast_flood = -1, |
d3aa8b49 | 444 | .multicast_to_unicast = -1, |
7f15b714 TJ |
445 | .neighbor_suppression = -1, |
446 | .learning = -1, | |
1087623b SS |
447 | .bridge_proxy_arp = -1, |
448 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 449 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 450 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 | 451 | |
228693af | 452 | .bridge_vlan_pvid = BRIDGE_VLAN_KEEP_PVID, |
0b8d501c | 453 | |
17f9c355 | 454 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, |
c01b9b87 | 455 | .lldp_multicast_mode = _SD_LLDP_MULTICAST_MODE_INVALID, |
17f9c355 | 456 | |
7ece6f58 | 457 | .dns_default_route = -1, |
17f9c355 YW |
458 | .llmnr = RESOLVE_SUPPORT_YES, |
459 | .mdns = RESOLVE_SUPPORT_NO, | |
460 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
461 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
462 | ||
0321cea7 | 463 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 464 | .link_local = _ADDRESS_FAMILY_INVALID, |
6f6296b9 | 465 | .ipv6ll_address_gen_mode = _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID, |
17f9c355 | 466 | |
3976c430 | 467 | .ip_forwarding = { -1, -1, }, |
94d76d07 | 468 | .ipv4_accept_local = -1, |
d75bf6cf | 469 | .ipv4_route_localnet = -1, |
932ef6ec | 470 | .ipv6_privacy_extensions = _IPV6_PRIVACY_EXTENSIONS_INVALID, |
17f9c355 | 471 | .ipv6_dad_transmits = -1, |
17f9c355 | 472 | .ipv6_proxy_ndp = -1, |
17f9c355 | 473 | .proxy_arp = -1, |
b4959550 | 474 | .proxy_arp_pvlan = -1, |
9c72e8f8 | 475 | .ipv4_rp_filter = _IP_REVERSE_PATH_FILTER_INVALID, |
db5756f3 | 476 | |
52672db3 | 477 | .ndisc = -1, |
6df00594 | 478 | .ndisc_use_redirect = true, |
52672db3 YW |
479 | .ndisc_use_dns = true, |
480 | .ndisc_use_gateway = true, | |
481 | .ndisc_use_captive_portal = true, | |
482 | .ndisc_use_route_prefix = true, | |
483 | .ndisc_use_autonomous_prefix = true, | |
484 | .ndisc_use_onlink_prefix = true, | |
485 | .ndisc_use_mtu = true, | |
486 | .ndisc_use_hop_limit = true, | |
487 | .ndisc_use_reachable_time = true, | |
488 | .ndisc_use_retransmission_time = true, | |
52672db3 YW |
489 | .ndisc_route_table = RT_TABLE_MAIN, |
490 | .ndisc_route_metric_high = IPV6RA_ROUTE_METRIC_HIGH, | |
491 | .ndisc_route_metric_medium = IPV6RA_ROUTE_METRIC_MEDIUM, | |
492 | .ndisc_route_metric_low = IPV6RA_ROUTE_METRIC_LOW, | |
493 | .ndisc_start_dhcp6_client = IPV6_ACCEPT_RA_START_DHCP6_CLIENT_YES, | |
c423be28 | 494 | |
52aa38f1 | 495 | .can_termination = -1, |
72e65e6f YW |
496 | |
497 | .ipoib_mode = _IP_OVER_INFINIBAND_MODE_INVALID, | |
498 | .ipoib_umcast = -1, | |
17f9c355 | 499 | }; |
f579559b | 500 | |
4f9ff96a | 501 | r = config_parse_many( |
947f59ba | 502 | STRV_MAKE_CONST(filename), NETWORK_DIRS, dropin_dirname, /* root = */ NULL, |
4f9ff96a LP |
503 | "Match\0" |
504 | "Link\0" | |
518cd6b5 | 505 | "SR-IOV\0" |
4f9ff96a LP |
506 | "Network\0" |
507 | "Address\0" | |
508 | "Neighbor\0" | |
509 | "IPv6AddressLabel\0" | |
510 | "RoutingPolicyRule\0" | |
511 | "Route\0" | |
512 | "NextHop\0" | |
513 | "DHCP\0" /* compat */ | |
514 | "DHCPv4\0" | |
515 | "DHCPv6\0" | |
a27588d4 YW |
516 | "DHCPv6PrefixDelegation\0" /* compat */ |
517 | "DHCPPrefixDelegation\0" | |
4f9ff96a | 518 | "DHCPServer\0" |
c517a49b | 519 | "DHCPServerStaticLease\0" |
4f9ff96a LP |
520 | "IPv6AcceptRA\0" |
521 | "IPv6NDPProxyAddress\0" | |
522 | "Bridge\0" | |
523 | "BridgeFDB\0" | |
3db468ea | 524 | "BridgeMDB\0" |
4f9ff96a | 525 | "BridgeVLAN\0" |
27ff0490 | 526 | "IPv6SendRA\0" |
4f9ff96a LP |
527 | "IPv6PrefixDelegation\0" |
528 | "IPv6Prefix\0" | |
529 | "IPv6RoutePrefix\0" | |
1925f829 | 530 | "IPv6PREF64Prefix\0" |
4f9ff96a LP |
531 | "LLDP\0" |
532 | "TrafficControlQueueingDiscipline\0" | |
533 | "CAN\0" | |
534 | "QDisc\0" | |
535 | "BFIFO\0" | |
536 | "CAKE\0" | |
537 | "ControlledDelay\0" | |
538 | "DeficitRoundRobinScheduler\0" | |
539 | "DeficitRoundRobinSchedulerClass\0" | |
d474aa51 | 540 | "EnhancedTransmissionSelection\0" |
4f9ff96a LP |
541 | "FairQueueing\0" |
542 | "FairQueueingControlledDelay\0" | |
8f6b6d70 | 543 | "FlowQueuePIE\0" |
4f9ff96a LP |
544 | "GenericRandomEarlyDetection\0" |
545 | "HeavyHitterFilter\0" | |
546 | "HierarchyTokenBucket\0" | |
547 | "HierarchyTokenBucketClass\0" | |
548 | "NetworkEmulator\0" | |
b12aaee5 SS |
549 | "PFIFO\0" |
550 | "PFIFOFast\0" | |
551 | "PFIFOHeadDrop\0" | |
4f9ff96a | 552 | "PIE\0" |
b12aaee5 | 553 | "QuickFairQueueing\0" |
4d7ddaf9 | 554 | "QuickFairQueueingClass\0" |
4f9ff96a LP |
555 | "StochasticFairBlue\0" |
556 | "StochasticFairnessQueueing\0" | |
557 | "TokenBucketFilter\0" | |
558 | "TrivialLinkEqualizer\0", | |
559 | config_item_perf_lookup, network_network_gperf_lookup, | |
560 | CONFIG_PARSE_WARN, | |
561 | network, | |
ead3a3fc | 562 | &network->stats_by_path, |
a2640646 | 563 | &network->dropins); |
102bc043 | 564 | if (r < 0) |
61ec7bea | 565 | return r; /* config_parse_many() logs internally. */ |
f579559b | 566 | |
fa7cd711 YW |
567 | r = network_add_ipv4ll_route(network); |
568 | if (r < 0) | |
9202b567 | 569 | return log_warning_errno(r, "%s: Failed to add IPv4LL route: %m", network->filename); |
fa7cd711 | 570 | |
5d5003ab YW |
571 | r = network_add_default_route_on_device(network); |
572 | if (r < 0) | |
9202b567 YW |
573 | return log_warning_errno(r, "%s: Failed to add default route on device: %m", |
574 | network->filename); | |
5d5003ab | 575 | |
9202b567 | 576 | r = network_verify(network); |
9202b567 | 577 | if (r < 0) |
61ec7bea | 578 | return r; /* network_verify() logs internally. */ |
7f06b3e1 | 579 | |
9fa3e794 | 580 | r = ordered_hashmap_ensure_put(networks, &string_hash_ops, network->name, network); |
dbffab87 | 581 | if (r < 0) |
61ec7bea | 582 | return log_warning_errno(r, "%s: Failed to store configuration into hashmap: %m", filename); |
dbffab87 | 583 | |
b5b9b0e7 | 584 | TAKE_PTR(network); |
f579559b TG |
585 | return 0; |
586 | } | |
587 | ||
7f06b3e1 | 588 | int network_load(Manager *manager, OrderedHashmap **networks) { |
477e73b5 | 589 | _cleanup_strv_free_ char **files = NULL; |
f579559b TG |
590 | int r; |
591 | ||
592 | assert(manager); | |
593 | ||
7f06b3e1 | 594 | ordered_hashmap_clear_with_destructor(*networks, network_unref); |
f579559b | 595 | |
dc0d4078 | 596 | r = conf_files_list_strv(&files, ".network", NULL, 0, NETWORK_DIRS); |
f647962d MS |
597 | if (r < 0) |
598 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b | 599 | |
036a8d50 YW |
600 | STRV_FOREACH(f, files) |
601 | (void) network_load_one(manager, networks, *f); | |
f579559b | 602 | |
f579559b TG |
603 | return 0; |
604 | } | |
605 | ||
7f06b3e1 YW |
606 | int network_reload(Manager *manager) { |
607 | OrderedHashmap *new_networks = NULL; | |
608 | Network *n, *old; | |
7f06b3e1 YW |
609 | int r; |
610 | ||
611 | assert(manager); | |
612 | ||
613 | r = network_load(manager, &new_networks); | |
614 | if (r < 0) | |
615 | goto failure; | |
616 | ||
90e74a66 | 617 | ORDERED_HASHMAP_FOREACH(n, new_networks) { |
7f06b3e1 | 618 | r = network_get_by_name(manager, n->name, &old); |
8524db50 YW |
619 | if (r < 0) { |
620 | log_debug("Found new .network file: %s", n->filename); | |
621 | continue; | |
622 | } | |
7f06b3e1 | 623 | |
8524db50 YW |
624 | if (!stats_by_path_equal(n->stats_by_path, old->stats_by_path)) { |
625 | log_debug("Found updated .network file: %s", n->filename); | |
7f06b3e1 | 626 | continue; |
8524db50 | 627 | } |
7f06b3e1 YW |
628 | |
629 | r = ordered_hashmap_replace(new_networks, old->name, old); | |
630 | if (r < 0) | |
631 | goto failure; | |
632 | ||
633 | network_ref(old); | |
634 | network_unref(n); | |
635 | } | |
636 | ||
637 | ordered_hashmap_free_with_destructor(manager->networks, network_unref); | |
638 | manager->networks = new_networks; | |
639 | ||
fb126bb1 YW |
640 | r = manager_build_dhcp_pd_subnet_ids(manager); |
641 | if (r < 0) | |
642 | return r; | |
643 | ||
644 | r = manager_build_nexthop_ids(manager); | |
645 | if (r < 0) | |
646 | return r; | |
647 | ||
648 | return 0; | |
7f06b3e1 YW |
649 | |
650 | failure: | |
651 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
652 | ||
653 | return r; | |
654 | } | |
655 | ||
a27588d4 | 656 | int manager_build_dhcp_pd_subnet_ids(Manager *manager) { |
1a4ca0e2 YW |
657 | Network *n; |
658 | int r; | |
659 | ||
660 | assert(manager); | |
661 | ||
a27588d4 | 662 | set_clear(manager->dhcp_pd_subnet_ids); |
1a4ca0e2 YW |
663 | |
664 | ORDERED_HASHMAP_FOREACH(n, manager->networks) { | |
665 | if (n->unmanaged) | |
666 | continue; | |
667 | ||
a27588d4 | 668 | if (!n->dhcp_pd) |
1a4ca0e2 YW |
669 | continue; |
670 | ||
a27588d4 | 671 | if (n->dhcp_pd_subnet_id < 0) |
1a4ca0e2 YW |
672 | continue; |
673 | ||
a27588d4 | 674 | r = set_ensure_put(&manager->dhcp_pd_subnet_ids, &uint64_hash_ops, &n->dhcp_pd_subnet_id); |
1a4ca0e2 YW |
675 | if (r < 0) |
676 | return r; | |
677 | } | |
678 | ||
679 | return 0; | |
680 | } | |
681 | ||
35ac3b76 | 682 | static Network *network_free(Network *network) { |
f579559b | 683 | if (!network) |
35ac3b76 | 684 | return NULL; |
f579559b | 685 | |
54e0cfc4 | 686 | free(network->name); |
f579559b | 687 | free(network->filename); |
54e0cfc4 | 688 | free(network->description); |
a2640646 | 689 | strv_free(network->dropins); |
8524db50 | 690 | hashmap_free(network->stats_by_path); |
f579559b | 691 | |
54e0cfc4 | 692 | /* conditions */ |
5722fb89 | 693 | net_match_clear(&network->match); |
c4f58dea | 694 | condition_free_list(network->conditions); |
f579559b | 695 | |
54e0cfc4 YW |
696 | /* link settings */ |
697 | strv_free(network->bind_carrier); | |
698 | ||
699 | /* NTP */ | |
700 | strv_free(network->ntp); | |
701 | ||
702 | /* DNS */ | |
703 | for (unsigned i = 0; i < network->n_dns; i++) | |
704 | in_addr_full_free(network->dns[i]); | |
705 | free(network->dns); | |
706 | ordered_set_free(network->search_domains); | |
707 | ordered_set_free(network->route_domains); | |
708 | set_free_free(network->dnssec_negative_trust_anchors); | |
709 | ||
710 | /* DHCP server */ | |
11c38d3e YA |
711 | free(network->dhcp_server_relay_agent_circuit_id); |
712 | free(network->dhcp_server_relay_agent_remote_id); | |
6278e428 YW |
713 | free(network->dhcp_server_boot_server_name); |
714 | free(network->dhcp_server_boot_filename); | |
54e0cfc4 YW |
715 | free(network->dhcp_server_timezone); |
716 | free(network->dhcp_server_uplink_name); | |
717 | for (sd_dhcp_lease_server_type_t t = 0; t < _SD_DHCP_LEASE_SERVER_TYPE_MAX; t++) | |
718 | free(network->dhcp_server_emit[t].addresses); | |
719 | ordered_hashmap_free(network->dhcp_server_send_options); | |
720 | ordered_hashmap_free(network->dhcp_server_send_vendor_options); | |
11c38d3e | 721 | |
54e0cfc4 | 722 | /* DHCP client */ |
edb85f0d | 723 | free(network->dhcp_vendor_class_identifier); |
7b8d23a9 | 724 | free(network->dhcp_mudurl); |
27cb34f5 | 725 | free(network->dhcp_hostname); |
d419ef02 | 726 | free(network->dhcp_label); |
6b000af4 | 727 | set_free(network->dhcp_deny_listed_ip); |
98ebef62 | 728 | set_free(network->dhcp_allow_listed_ip); |
54e0cfc4 | 729 | strv_free(network->dhcp_user_class); |
5bc945be | 730 | set_free(network->dhcp_request_options); |
54e0cfc4 YW |
731 | ordered_hashmap_free(network->dhcp_client_send_options); |
732 | ordered_hashmap_free(network->dhcp_client_send_vendor_options); | |
4b3590c3 | 733 | free(network->dhcp_netlabel); |
fc289dd0 | 734 | nft_set_context_clear(&network->dhcp_nft_set_context); |
54e0cfc4 YW |
735 | |
736 | /* DHCPv6 client */ | |
3175a8c2 | 737 | free(network->dhcp6_mudurl); |
9968ca32 | 738 | free(network->dhcp6_hostname); |
f37f2a6b | 739 | strv_free(network->dhcp6_user_class); |
ed0d1b2e | 740 | strv_free(network->dhcp6_vendor_class); |
54e0cfc4 YW |
741 | set_free(network->dhcp6_request_options); |
742 | ordered_hashmap_free(network->dhcp6_client_send_options); | |
743 | ordered_hashmap_free(network->dhcp6_client_send_vendor_options); | |
4b3590c3 | 744 | free(network->dhcp6_netlabel); |
fc289dd0 | 745 | nft_set_context_clear(&network->dhcp6_nft_set_context); |
c106cc36 | 746 | |
54e0cfc4 YW |
747 | /* DHCP PD */ |
748 | free(network->dhcp_pd_uplink_name); | |
749 | set_free(network->dhcp_pd_tokens); | |
4b3590c3 | 750 | free(network->dhcp_pd_netlabel); |
fc289dd0 | 751 | nft_set_context_clear(&network->dhcp_pd_nft_set_context); |
cdd7812b | 752 | |
54e0cfc4 | 753 | /* Router advertisement */ |
5e276772 | 754 | ordered_set_free(network->router_search_domains); |
cdd7812b | 755 | free(network->router_dns); |
54e0cfc4 YW |
756 | free(network->router_uplink_name); |
757 | ||
758 | /* NDisc */ | |
c995fa02 YW |
759 | set_free(network->ndisc_deny_listed_router); |
760 | set_free(network->ndisc_allow_listed_router); | |
761 | set_free(network->ndisc_deny_listed_prefix); | |
762 | set_free(network->ndisc_allow_listed_prefix); | |
763 | set_free(network->ndisc_deny_listed_route_prefix); | |
764 | set_free(network->ndisc_allow_listed_route_prefix); | |
54e0cfc4 | 765 | set_free(network->ndisc_tokens); |
4b3590c3 | 766 | free(network->ndisc_netlabel); |
fc289dd0 | 767 | nft_set_context_clear(&network->ndisc_nft_set_context); |
3bef724f | 768 | |
54e0cfc4 YW |
769 | /* LLDP */ |
770 | free(network->lldp_mudurl); | |
771 | ||
772 | /* netdev */ | |
c0267a59 | 773 | free(network->batadv_name); |
cebe1257 YW |
774 | free(network->bridge_name); |
775 | free(network->bond_name); | |
776 | free(network->vrf_name); | |
777 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 778 | netdev_unref(network->bridge); |
47e2dc31 | 779 | netdev_unref(network->bond); |
6cb955c6 | 780 | netdev_unref(network->vrf); |
fa6f1e54 | 781 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 782 | |
54e0cfc4 | 783 | /* static configs */ |
d349f502 | 784 | set_free_free(network->ipv6_proxy_ndp_addresses); |
ebd96906 | 785 | ordered_hashmap_free(network->addresses_by_section); |
74c301b9 | 786 | hashmap_free(network->routes_by_section); |
59ac53a6 | 787 | ordered_hashmap_free(network->nexthops_by_section); |
9671ae9d | 788 | hashmap_free_with_destructor(network->bridge_fdb_entries_by_section, bridge_fdb_free); |
ff9e0783 | 789 | hashmap_free_with_destructor(network->bridge_mdb_entries_by_section, bridge_mdb_free); |
2a75f23b | 790 | ordered_hashmap_free(network->neighbors_by_section); |
d6a2a0f9 | 791 | hashmap_free_with_destructor(network->address_labels_by_section, address_label_free); |
ecb0e85e YW |
792 | hashmap_free_with_destructor(network->prefixes_by_section, prefix_free); |
793 | hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free); | |
1925f829 | 794 | hashmap_free_with_destructor(network->pref64_prefixes_by_section, pref64_prefix_free); |
ca183bf8 | 795 | hashmap_free_with_destructor(network->rules_by_section, routing_policy_rule_free); |
c517a49b | 796 | hashmap_free_with_destructor(network->dhcp_static_leases_by_section, dhcp_static_lease_free); |
518cd6b5 | 797 | ordered_hashmap_free_with_destructor(network->sr_iov_by_section, sr_iov_free); |
3a67b8bb YW |
798 | hashmap_free_with_destructor(network->qdiscs_by_section, qdisc_free); |
799 | hashmap_free_with_destructor(network->tclasses_by_section, tclass_free); | |
6ae115c1 | 800 | |
35ac3b76 | 801 | return mfree(network); |
f579559b TG |
802 | } |
803 | ||
35ac3b76 YW |
804 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
805 | ||
dbffab87 TG |
806 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
807 | Network *network; | |
808 | ||
809 | assert(manager); | |
810 | assert(name); | |
811 | assert(ret); | |
812 | ||
715d398e | 813 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
814 | if (!network) |
815 | return -ENOENT; | |
816 | ||
817 | *ret = network; | |
818 | ||
819 | return 0; | |
820 | } | |
821 | ||
adfeee49 | 822 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 823 | Address *address; |
adfeee49 | 824 | Route *route; |
9671ae9d | 825 | BridgeFDB *fdb; |
ff9e0783 | 826 | BridgeMDB *mdb; |
adfeee49 | 827 | Neighbor *neighbor; |
439689c6 SS |
828 | |
829 | assert(network); | |
830 | ||
9cd9fc8f | 831 | ORDERED_HASHMAP_FOREACH(address, network->addresses_by_section) |
439689c6 SS |
832 | if (address->family == AF_INET6) |
833 | return true; | |
adfeee49 | 834 | |
2a54a044 | 835 | HASHMAP_FOREACH(route, network->routes_by_section) |
adfeee49 YW |
836 | if (route->family == AF_INET6) |
837 | return true; | |
838 | ||
9671ae9d | 839 | HASHMAP_FOREACH(fdb, network->bridge_fdb_entries_by_section) |
adfeee49 YW |
840 | if (fdb->family == AF_INET6) |
841 | return true; | |
842 | ||
ff9e0783 | 843 | HASHMAP_FOREACH(mdb, network->bridge_mdb_entries_by_section) |
3db468ea DM |
844 | if (mdb->family == AF_INET6) |
845 | return true; | |
846 | ||
aa9626ee | 847 | ORDERED_HASHMAP_FOREACH(neighbor, network->neighbors_by_section) |
adfeee49 YW |
848 | if (neighbor->family == AF_INET6) |
849 | return true; | |
850 | ||
d6a2a0f9 | 851 | if (!hashmap_isempty(network->address_labels_by_section)) |
adfeee49 YW |
852 | return true; |
853 | ||
ecb0e85e | 854 | if (!hashmap_isempty(network->prefixes_by_section)) |
adfeee49 | 855 | return true; |
d30081c2 YW |
856 | |
857 | if (!hashmap_isempty(network->route_prefixes_by_section)) | |
858 | return true; | |
439689c6 | 859 | |
1925f829 SS |
860 | if (!hashmap_isempty(network->pref64_prefixes_by_section)) |
861 | return true; | |
862 | ||
439689c6 SS |
863 | return false; |
864 | } | |
865 | ||
63481576 YW |
866 | int config_parse_stacked_netdev( |
867 | const char *unit, | |
02b59d57 TG |
868 | const char *filename, |
869 | unsigned line, | |
870 | const char *section, | |
871 | unsigned section_line, | |
872 | const char *lvalue, | |
873 | int ltype, | |
874 | const char *rvalue, | |
875 | void *data, | |
876 | void *userdata) { | |
63481576 | 877 | |
95dba435 YW |
878 | _cleanup_free_ char *name = NULL; |
879 | NetDevKind kind = ltype; | |
99534007 | 880 | Hashmap **h = ASSERT_PTR(data); |
02b59d57 TG |
881 | int r; |
882 | ||
883 | assert(filename); | |
884 | assert(lvalue); | |
885 | assert(rvalue); | |
95dba435 | 886 | assert(IN_SET(kind, |
b90d0f83 | 887 | NETDEV_KIND_IPOIB, |
bc945c2b YW |
888 | NETDEV_KIND_IPVLAN, |
889 | NETDEV_KIND_IPVTAP, | |
bc945c2b YW |
890 | NETDEV_KIND_MACSEC, |
891 | NETDEV_KIND_MACVLAN, | |
892 | NETDEV_KIND_MACVTAP, | |
893 | NETDEV_KIND_VLAN, | |
894 | NETDEV_KIND_VXLAN, | |
895 | NETDEV_KIND_XFRM, | |
896 | _NETDEV_KIND_TUNNEL)); | |
54abf461 | 897 | |
cebe1257 | 898 | if (!ifname_valid(rvalue)) { |
d96edb2c | 899 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3772cfde | 900 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
901 | return 0; |
902 | } | |
903 | ||
cebe1257 YW |
904 | name = strdup(rvalue); |
905 | if (!name) | |
906 | return log_oom(); | |
3e570042 | 907 | |
6de530f2 SS |
908 | r = hashmap_ensure_put(h, &string_hash_ops, name, INT_TO_PTR(kind)); |
909 | if (r == -ENOMEM) | |
cebe1257 | 910 | return log_oom(); |
83ec4592 | 911 | if (r < 0) |
d96edb2c | 912 | log_syntax(unit, LOG_WARNING, filename, line, r, |
83ec4592 ZJS |
913 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
914 | else if (r == 0) | |
915 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
916 | "NetDev '%s' specified twice, ignoring.", name); | |
917 | else | |
0c7bd7ec | 918 | TAKE_PTR(name); |
47e2dc31 | 919 | |
fe6b2d55 TG |
920 | return 0; |
921 | } | |
7951dea2 | 922 | |
3df9bec5 LP |
923 | int config_parse_domains( |
924 | const char *unit, | |
925 | const char *filename, | |
926 | unsigned line, | |
927 | const char *section, | |
928 | unsigned section_line, | |
929 | const char *lvalue, | |
930 | int ltype, | |
931 | const char *rvalue, | |
932 | void *data, | |
933 | void *userdata) { | |
934 | ||
99534007 | 935 | Network *n = ASSERT_PTR(userdata); |
6192b846 TG |
936 | int r; |
937 | ||
5aafd5b1 | 938 | assert(filename); |
3df9bec5 LP |
939 | assert(lvalue); |
940 | assert(rvalue); | |
6192b846 | 941 | |
3df9bec5 | 942 | if (isempty(rvalue)) { |
5e276772 YW |
943 | n->search_domains = ordered_set_free(n->search_domains); |
944 | n->route_domains = ordered_set_free(n->route_domains); | |
3df9bec5 LP |
945 | return 0; |
946 | } | |
67272d15 | 947 | |
d96edb2c | 948 | for (const char *p = rvalue;;) { |
3df9bec5 LP |
949 | _cleanup_free_ char *w = NULL, *normalized = NULL; |
950 | const char *domain; | |
951 | bool is_route; | |
952 | ||
953 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
954 | if (r == -ENOMEM) |
955 | return log_oom(); | |
3df9bec5 | 956 | if (r < 0) { |
d96edb2c | 957 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 958 | "Failed to extract search or route domain, ignoring: %s", rvalue); |
d96edb2c | 959 | return 0; |
3df9bec5 LP |
960 | } |
961 | if (r == 0) | |
d96edb2c | 962 | return 0; |
3df9bec5 LP |
963 | |
964 | is_route = w[0] == '~'; | |
965 | domain = is_route ? w + 1 : w; | |
966 | ||
967 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
968 | /* If the root domain appears as is, or the special token "*" is found, we'll |
969 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 970 | is_route = true; |
ab24039f ZJS |
971 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
972 | * domain as "." */ | |
3df9bec5 | 973 | } else { |
7470cc4c | 974 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 975 | if (r < 0) { |
d96edb2c | 976 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 977 | "'%s' is not a valid domain name, ignoring.", domain); |
3df9bec5 LP |
978 | continue; |
979 | } | |
980 | ||
981 | domain = normalized; | |
982 | ||
983 | if (is_localhost(domain)) { | |
d96edb2c | 984 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f ZJS |
985 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", |
986 | domain); | |
37de2509 | 987 | continue; |
3df9bec5 | 988 | } |
37de2509 | 989 | } |
40274ed6 | 990 | |
5e2a51d5 | 991 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
cf453507 YW |
992 | r = ordered_set_put_strdup(set, domain); |
993 | if (r == -EEXIST) | |
994 | continue; | |
09451975 LP |
995 | if (r < 0) |
996 | return log_oom(); | |
40274ed6 | 997 | } |
6192b846 TG |
998 | } |
999 | ||
8eb9058d LP |
1000 | int config_parse_timezone( |
1001 | const char *unit, | |
1002 | const char *filename, | |
1003 | unsigned line, | |
1004 | const char *section, | |
1005 | unsigned section_line, | |
1006 | const char *lvalue, | |
1007 | int ltype, | |
1008 | const char *rvalue, | |
1009 | void *data, | |
1010 | void *userdata) { | |
1011 | ||
99534007 | 1012 | char **tz = ASSERT_PTR(data); |
8eb9058d LP |
1013 | int r; |
1014 | ||
1015 | assert(filename); | |
1016 | assert(lvalue); | |
1017 | assert(rvalue); | |
1018 | ||
b40b8b06 YW |
1019 | if (isempty(rvalue)) { |
1020 | *tz = mfree(*tz); | |
1021 | return 0; | |
1022 | } | |
8eb9058d | 1023 | |
b40b8b06 YW |
1024 | r = verify_timezone(rvalue, LOG_WARNING); |
1025 | if (r < 0) { | |
1026 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
ab24039f | 1027 | "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1028 | return 0; |
1029 | } | |
1030 | ||
b40b8b06 | 1031 | return free_and_strdup_warn(tz, rvalue); |
8eb9058d | 1032 | } |
1a04db0f | 1033 | |
53253824 SS |
1034 | int config_parse_dns( |
1035 | const char *unit, | |
1036 | const char *filename, | |
1037 | unsigned line, | |
1038 | const char *section, | |
1039 | unsigned section_line, | |
1040 | const char *lvalue, | |
1041 | int ltype, | |
1042 | const char *rvalue, | |
1043 | void *data, | |
1044 | void *userdata) { | |
1045 | ||
99534007 | 1046 | Network *n = ASSERT_PTR(userdata); |
53253824 SS |
1047 | int r; |
1048 | ||
1049 | assert(filename); | |
1050 | assert(lvalue); | |
1051 | assert(rvalue); | |
1052 | ||
d96edb2c | 1053 | if (isempty(rvalue)) { |
e77bd3fd YW |
1054 | for (unsigned i = 0; i < n->n_dns; i++) |
1055 | in_addr_full_free(n->dns[i]); | |
d96edb2c YW |
1056 | n->dns = mfree(n->dns); |
1057 | n->n_dns = 0; | |
1058 | return 0; | |
1059 | } | |
1060 | ||
1061 | for (const char *p = rvalue;;) { | |
e77bd3fd | 1062 | _cleanup_(in_addr_full_freep) struct in_addr_full *dns = NULL; |
53253824 | 1063 | _cleanup_free_ char *w = NULL; |
e77bd3fd | 1064 | struct in_addr_full **m; |
53253824 | 1065 | |
d96edb2c | 1066 | r = extract_first_word(&p, &w, NULL, 0); |
53253824 SS |
1067 | if (r == -ENOMEM) |
1068 | return log_oom(); | |
1069 | if (r < 0) { | |
d96edb2c | 1070 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1071 | "Invalid syntax, ignoring: %s", rvalue); |
d96edb2c | 1072 | return 0; |
53253824 | 1073 | } |
5512a963 | 1074 | if (r == 0) |
d96edb2c | 1075 | return 0; |
53253824 | 1076 | |
e77bd3fd | 1077 | r = in_addr_full_new_from_string(w, &dns); |
53253824 | 1078 | if (r < 0) { |
d96edb2c | 1079 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1080 | "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1081 | continue; |
1082 | } | |
1083 | ||
e77bd3fd YW |
1084 | if (IN_SET(dns->port, 53, 853)) |
1085 | dns->port = 0; | |
1086 | ||
1087 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_full*)); | |
5512a963 | 1088 | if (!m) |
53253824 SS |
1089 | return log_oom(); |
1090 | ||
e77bd3fd | 1091 | m[n->n_dns++] = TAKE_PTR(dns); |
5512a963 | 1092 | n->dns = m; |
53253824 | 1093 | } |
53253824 SS |
1094 | } |
1095 | ||
8a516214 LP |
1096 | int config_parse_dnssec_negative_trust_anchors( |
1097 | const char *unit, | |
1098 | const char *filename, | |
1099 | unsigned line, | |
1100 | const char *section, | |
1101 | unsigned section_line, | |
1102 | const char *lvalue, | |
1103 | int ltype, | |
1104 | const char *rvalue, | |
1105 | void *data, | |
1106 | void *userdata) { | |
1107 | ||
99534007 | 1108 | Set **nta = ASSERT_PTR(data); |
8a516214 LP |
1109 | int r; |
1110 | ||
5aafd5b1 | 1111 | assert(filename); |
8a516214 LP |
1112 | assert(lvalue); |
1113 | assert(rvalue); | |
1114 | ||
1115 | if (isempty(rvalue)) { | |
5aafd5b1 | 1116 | *nta = set_free_free(*nta); |
8a516214 LP |
1117 | return 0; |
1118 | } | |
1119 | ||
d96edb2c | 1120 | for (const char *p = rvalue;;) { |
8a516214 LP |
1121 | _cleanup_free_ char *w = NULL; |
1122 | ||
1123 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
1124 | if (r == -ENOMEM) |
1125 | return log_oom(); | |
8a516214 | 1126 | if (r < 0) { |
d96edb2c | 1127 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1128 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); |
d96edb2c | 1129 | return 0; |
8a516214 LP |
1130 | } |
1131 | if (r == 0) | |
d96edb2c | 1132 | return 0; |
8a516214 LP |
1133 | |
1134 | r = dns_name_is_valid(w); | |
1135 | if (r <= 0) { | |
d96edb2c | 1136 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1137 | "%s is not a valid domain name, ignoring.", w); |
8a516214 LP |
1138 | continue; |
1139 | } | |
1140 | ||
5aafd5b1 | 1141 | r = set_ensure_consume(nta, &dns_name_hash_ops, TAKE_PTR(w)); |
8a516214 LP |
1142 | if (r < 0) |
1143 | return log_oom(); | |
8a516214 | 1144 | } |
8a516214 | 1145 | } |
b2a81c0b | 1146 | |
26575990 LP |
1147 | int config_parse_ntp( |
1148 | const char *unit, | |
1149 | const char *filename, | |
1150 | unsigned line, | |
1151 | const char *section, | |
1152 | unsigned section_line, | |
1153 | const char *lvalue, | |
1154 | int ltype, | |
1155 | const char *rvalue, | |
1156 | void *data, | |
1157 | void *userdata) { | |
1158 | ||
99534007 | 1159 | char ***l = ASSERT_PTR(data); |
26575990 LP |
1160 | int r; |
1161 | ||
5aafd5b1 | 1162 | assert(filename); |
26575990 LP |
1163 | assert(lvalue); |
1164 | assert(rvalue); | |
1165 | ||
1166 | if (isempty(rvalue)) { | |
1167 | *l = strv_free(*l); | |
1168 | return 0; | |
1169 | } | |
1170 | ||
d96edb2c | 1171 | for (const char *p = rvalue;;) { |
26575990 LP |
1172 | _cleanup_free_ char *w = NULL; |
1173 | ||
d96edb2c | 1174 | r = extract_first_word(&p, &w, NULL, 0); |
26575990 LP |
1175 | if (r == -ENOMEM) |
1176 | return log_oom(); | |
1177 | if (r < 0) { | |
d96edb2c | 1178 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1179 | "Failed to extract NTP server name, ignoring: %s", rvalue); |
d96edb2c | 1180 | return 0; |
26575990 LP |
1181 | } |
1182 | if (r == 0) | |
d96edb2c | 1183 | return 0; |
26575990 LP |
1184 | |
1185 | r = dns_name_is_valid_or_address(w); | |
1186 | if (r <= 0) { | |
d96edb2c | 1187 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1188 | "%s is not a valid domain name or IP address, ignoring.", w); |
26575990 | 1189 | continue; |
af1c0de0 SS |
1190 | } |
1191 | ||
c448459d ZJS |
1192 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1193 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1194 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1195 | MAX_NTP_SERVERS, w); | |
d96edb2c | 1196 | return 0; |
c448459d ZJS |
1197 | } |
1198 | ||
1199 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1200 | if (r < 0) |
1201 | return log_oom(); | |
af1c0de0 | 1202 | } |
af1c0de0 SS |
1203 | } |
1204 | ||
4ac77d63 YW |
1205 | int config_parse_required_for_online( |
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 | ||
99534007 | 1217 | Network *network = ASSERT_PTR(userdata); |
4ac77d63 YW |
1218 | int r; |
1219 | ||
5aafd5b1 YW |
1220 | assert(filename); |
1221 | assert(lvalue); | |
1222 | assert(rvalue); | |
5aafd5b1 | 1223 | |
4ac77d63 | 1224 | if (isempty(rvalue)) { |
7c644a69 | 1225 | network->required_for_online = -1; |
3255bda6 | 1226 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_INVALID; |
4ac77d63 YW |
1227 | return 0; |
1228 | } | |
1229 | ||
ba04f957 | 1230 | r = parse_operational_state_range(rvalue, &network->required_operstate_for_online); |
75cd4a5d | 1231 | if (r < 0) { |
4ac77d63 YW |
1232 | r = parse_boolean(rvalue); |
1233 | if (r < 0) { | |
d96edb2c | 1234 | log_syntax(unit, LOG_WARNING, filename, line, r, |
4ac77d63 YW |
1235 | "Failed to parse %s= setting, ignoring assignment: %s", |
1236 | lvalue, rvalue); | |
1237 | return 0; | |
1238 | } | |
1239 | ||
ba04f957 YW |
1240 | network->required_for_online = r; |
1241 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT; | |
1242 | return 0; | |
4ac77d63 YW |
1243 | } |
1244 | ||
ba04f957 | 1245 | network->required_for_online = true; |
4ac77d63 YW |
1246 | return 0; |
1247 | } | |
7da377ef | 1248 | |
f0c09831 YW |
1249 | int config_parse_link_group( |
1250 | const char *unit, | |
1251 | const char *filename, | |
1252 | unsigned line, | |
1253 | const char *section, | |
1254 | unsigned section_line, | |
1255 | const char *lvalue, | |
1256 | int ltype, | |
1257 | const char *rvalue, | |
1258 | void *data, | |
1259 | void *userdata) { | |
1260 | ||
99534007 | 1261 | Network *network = ASSERT_PTR(userdata); |
f0c09831 | 1262 | int r; |
10af8bb2 | 1263 | int32_t group; |
f0c09831 YW |
1264 | |
1265 | assert(filename); | |
1266 | assert(lvalue); | |
1267 | assert(rvalue); | |
f0c09831 YW |
1268 | |
1269 | if (isempty(rvalue)) { | |
10af8bb2 | 1270 | network->group = -1; |
f0c09831 YW |
1271 | return 0; |
1272 | } | |
1273 | ||
10af8bb2 | 1274 | r = safe_atoi32(rvalue, &group); |
f0c09831 YW |
1275 | if (r < 0) { |
1276 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
1277 | "Failed to parse Group=, ignoring assignment: %s", rvalue); | |
1278 | return 0; | |
1279 | } | |
1280 | ||
10af8bb2 SB |
1281 | if (group < 0) { |
1282 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
1283 | "Value of Group= must be in the range 0…2147483647, ignoring assignment: %s", rvalue); | |
1284 | return 0; | |
1285 | } | |
1286 | ||
1287 | network->group = group; | |
f0c09831 YW |
1288 | return 0; |
1289 | } | |
1290 | ||
6706ce2f YW |
1291 | int config_parse_ignore_carrier_loss( |
1292 | const char *unit, | |
1293 | const char *filename, | |
1294 | unsigned line, | |
1295 | const char *section, | |
1296 | unsigned section_line, | |
1297 | const char *lvalue, | |
1298 | int ltype, | |
1299 | const char *rvalue, | |
1300 | void *data, | |
1301 | void *userdata) { | |
1302 | ||
99534007 | 1303 | Network *network = ASSERT_PTR(userdata); |
6706ce2f YW |
1304 | usec_t usec; |
1305 | int r; | |
1306 | ||
1307 | assert(filename); | |
1308 | assert(lvalue); | |
1309 | assert(rvalue); | |
6706ce2f YW |
1310 | |
1311 | if (isempty(rvalue)) { | |
1312 | network->ignore_carrier_loss_set = false; | |
1313 | return 0; | |
1314 | } | |
1315 | ||
1316 | r = parse_boolean(rvalue); | |
1317 | if (r >= 0) { | |
1318 | network->ignore_carrier_loss_set = true; | |
1319 | network->ignore_carrier_loss_usec = r > 0 ? USEC_INFINITY : 0; | |
1320 | return 0; | |
1321 | } | |
1322 | ||
1323 | r = parse_sec(rvalue, &usec); | |
1324 | if (r < 0) { | |
1325 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
1326 | "Failed to parse %s=, ignoring assignment: %s", lvalue, rvalue); | |
1327 | return 0; | |
1328 | } | |
1329 | ||
1330 | network->ignore_carrier_loss_set = true; | |
1331 | network->ignore_carrier_loss_usec = usec; | |
1332 | return 0; | |
1333 | } | |
1334 | ||
8430841b L |
1335 | DEFINE_CONFIG_PARSE_ENUM(config_parse_required_family_for_online, link_required_address_family, AddressFamily, |
1336 | "Failed to parse RequiredFamilyForOnline= setting"); | |
1337 | ||
7da377ef SS |
1338 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, |
1339 | "Failed to parse KeepConfiguration= setting"); | |
1340 | ||
1341 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1342 | [KEEP_CONFIGURATION_NO] = "no", |
1343 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1344 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1345 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1346 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1347 | }; |
1348 | ||
1349 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); | |
6f6296b9 | 1350 | |
61135582 DS |
1351 | static const char* const activation_policy_table[_ACTIVATION_POLICY_MAX] = { |
1352 | [ACTIVATION_POLICY_UP] = "up", | |
1353 | [ACTIVATION_POLICY_ALWAYS_UP] = "always-up", | |
1354 | [ACTIVATION_POLICY_MANUAL] = "manual", | |
1355 | [ACTIVATION_POLICY_ALWAYS_DOWN] = "always-down", | |
1356 | [ACTIVATION_POLICY_DOWN] = "down", | |
1357 | [ACTIVATION_POLICY_BOUND] = "bound", | |
1358 | }; | |
1359 | ||
1360 | DEFINE_STRING_TABLE_LOOKUP(activation_policy, ActivationPolicy); | |
1361 | DEFINE_CONFIG_PARSE_ENUM(config_parse_activation_policy, activation_policy, ActivationPolicy, "Failed to parse activation policy"); |