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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
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" |
7e19cc54 | 15 | #include "net-condition.h" |
c918b70a | 16 | #include "netdev/macvlan.h" |
fb486c90 | 17 | #include "networkd-address-label.h" |
093e3533 | 18 | #include "networkd-address.h" |
9671ae9d | 19 | #include "networkd-bridge-fdb.h" |
ff9e0783 | 20 | #include "networkd-bridge-mdb.h" |
22d37e5d | 21 | #include "networkd-dhcp-common.h" |
c517a49b | 22 | #include "networkd-dhcp-server-static-lease.h" |
7e19cc54 | 23 | #include "networkd-dhcp-server.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 | } | |
0321cea7 | 184 | if (network->dhcp_server) { |
ab24039f ZJS |
185 | log_warning("%s: Cannot enable DHCPServer= when Bond= is specified, disabling DHCPServer=.", |
186 | network->filename); | |
0321cea7 YW |
187 | network->dhcp_server = false; |
188 | } | |
9cd9fc8f | 189 | if (!ordered_hashmap_isempty(network->addresses_by_section)) |
ab24039f ZJS |
190 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
191 | network->filename); | |
2a54a044 | 192 | if (!hashmap_isempty(network->routes_by_section)) |
ab24039f ZJS |
193 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
194 | network->filename); | |
9cd9fc8f YW |
195 | |
196 | network->addresses_by_section = ordered_hashmap_free_with_destructor(network->addresses_by_section, address_free); | |
2a54a044 | 197 | network->routes_by_section = hashmap_free_with_destructor(network->routes_by_section, route_free); |
0321cea7 YW |
198 | } |
199 | ||
c918b70a TY |
200 | if (network->link_local < 0) { |
201 | network->link_local = ADDRESS_FAMILY_IPV6; | |
202 | ||
57aef9d7 | 203 | if (network->keep_master || network->bridge) |
c918b70a TY |
204 | network->link_local = ADDRESS_FAMILY_NO; |
205 | else { | |
206 | NetDev *netdev; | |
207 | ||
208 | HASHMAP_FOREACH(netdev, network->stacked_netdevs) { | |
209 | MacVlan *m; | |
210 | ||
211 | if (netdev->kind == NETDEV_KIND_MACVLAN) | |
212 | m = MACVLAN(netdev); | |
213 | else if (netdev->kind == NETDEV_KIND_MACVTAP) | |
214 | m = MACVTAP(netdev); | |
215 | else | |
216 | continue; | |
217 | ||
c73f413d FS |
218 | assert(m); |
219 | ||
c918b70a TY |
220 | if (m->mode == NETDEV_MACVLAN_MODE_PASSTHRU) |
221 | network->link_local = ADDRESS_FAMILY_NO; | |
222 | ||
223 | /* There won't be a passthru MACVLAN/MACVTAP if there's already one in another mode */ | |
224 | break; | |
225 | } | |
226 | } | |
227 | } | |
228 | ||
75d5abd2 YW |
229 | if (network->ipv6ll_address_gen_mode == IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE) |
230 | SET_FLAG(network->link_local, ADDRESS_FAMILY_IPV6, false); | |
8f191801 | 231 | |
9e1432d5 YW |
232 | if (in6_addr_is_set(&network->ipv6ll_stable_secret) && |
233 | network->ipv6ll_address_gen_mode < 0) | |
234 | network->ipv6ll_address_gen_mode = IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY; | |
235 | ||
48ed2766 FW |
236 | /* IPMasquerade implies IPForward */ |
237 | network->ip_forward |= network->ip_masquerade; | |
0321cea7 | 238 | |
14d9ab9d | 239 | network_adjust_ipv6_proxy_ndp(network); |
3773eb54 | 240 | network_adjust_ipv6_accept_ra(network); |
22d37e5d | 241 | network_adjust_dhcp(network); |
69e0f833 | 242 | network_adjust_radv(network); |
5546870e | 243 | network_adjust_bridge_vlan(network); |
3773eb54 | 244 | |
933c70a0 | 245 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
246 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
247 | "Disabling UseMTU=.", network->filename); | |
248 | network->dhcp_use_mtu = false; | |
249 | } | |
250 | ||
7da377ef | 251 | if (network->dhcp_critical >= 0) { |
ea853de5 YW |
252 | if (network->keep_configuration >= 0) { |
253 | if (network->manager->keep_configuration < 0) | |
254 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
255 | "Ignoring CriticalConnection=.", network->filename); | |
256 | } else if (network->dhcp_critical) | |
7da377ef SS |
257 | /* CriticalConnection=yes also preserve foreign static configurations. */ |
258 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
259 | else | |
80060352 | 260 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
261 | } |
262 | ||
61135582 DS |
263 | if (!strv_isempty(network->bind_carrier)) { |
264 | if (!IN_SET(network->activation_policy, _ACTIVATION_POLICY_INVALID, ACTIVATION_POLICY_BOUND)) | |
265 | log_warning("%s: ActivationPolicy=bound is required with BindCarrier=. " | |
266 | "Setting ActivationPolicy=bound.", network->filename); | |
267 | network->activation_policy = ACTIVATION_POLICY_BOUND; | |
268 | } else if (network->activation_policy == ACTIVATION_POLICY_BOUND) { | |
269 | log_warning("%s: ActivationPolicy=bound requires BindCarrier=. " | |
270 | "Ignoring ActivationPolicy=bound.", network->filename); | |
271 | network->activation_policy = ACTIVATION_POLICY_UP; | |
272 | } | |
273 | ||
274 | if (network->activation_policy == _ACTIVATION_POLICY_INVALID) | |
275 | network->activation_policy = ACTIVATION_POLICY_UP; | |
276 | ||
277 | if (network->activation_policy == ACTIVATION_POLICY_ALWAYS_UP) { | |
6706ce2f YW |
278 | if (network->ignore_carrier_loss_set && network->ignore_carrier_loss_usec < USEC_INFINITY) |
279 | log_warning("%s: IgnoreCarrierLoss=no or finite timespan conflicts with ActivationPolicy=always-up. " | |
280 | "Setting IgnoreCarrierLoss=yes.", network->filename); | |
281 | network->ignore_carrier_loss_set = true; | |
282 | network->ignore_carrier_loss_usec = USEC_INFINITY; | |
61135582 DS |
283 | } |
284 | ||
6706ce2f YW |
285 | if (!network->ignore_carrier_loss_set) { |
286 | network->ignore_carrier_loss_set = true; | |
287 | network->ignore_carrier_loss_usec = network->configure_without_carrier ? USEC_INFINITY : 0; | |
288 | } | |
61135582 | 289 | |
7c644a69 DS |
290 | if (IN_SET(network->activation_policy, ACTIVATION_POLICY_DOWN, ACTIVATION_POLICY_ALWAYS_DOWN, ACTIVATION_POLICY_MANUAL)) { |
291 | if (network->required_for_online < 0 || | |
292 | (network->required_for_online == true && network->activation_policy == ACTIVATION_POLICY_ALWAYS_DOWN)) { | |
293 | log_debug("%s: Setting RequiredForOnline=no because ActivationPolicy=%s.", network->filename, | |
294 | activation_policy_to_string(network->activation_policy)); | |
295 | network->required_for_online = false; | |
296 | } else if (network->required_for_online == true) | |
297 | log_warning("%s: RequiredForOnline=yes and ActivationPolicy=%s, " | |
298 | "this may cause a delay at boot.", network->filename, | |
299 | activation_policy_to_string(network->activation_policy)); | |
300 | } | |
301 | ||
302 | if (network->required_for_online < 0) | |
303 | network->required_for_online = true; | |
304 | ||
7da377ef | 305 | if (network->keep_configuration < 0) |
80060352 | 306 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 307 | |
87851e0f YW |
308 | if (network->ipv6_proxy_ndp == 0 && !set_isempty(network->ipv6_proxy_ndp_addresses)) { |
309 | log_warning("%s: IPv6ProxyNDP= is disabled. Ignoring IPv6ProxyNDPAddress=.", network->filename); | |
310 | network->ipv6_proxy_ndp_addresses = set_free_free(network->ipv6_proxy_ndp_addresses); | |
311 | } | |
312 | ||
50783f91 YW |
313 | r = network_drop_invalid_addresses(network); |
314 | if (r < 0) | |
61ec7bea | 315 | return r; /* network_drop_invalid_addresses() logs internally. */ |
13ffa39f YW |
316 | network_drop_invalid_routes(network); |
317 | network_drop_invalid_nexthops(network); | |
9671ae9d | 318 | network_drop_invalid_bridge_fdb_entries(network); |
ff9e0783 | 319 | network_drop_invalid_bridge_mdb_entries(network); |
aa9626ee YW |
320 | r = network_drop_invalid_neighbors(network); |
321 | if (r < 0) | |
322 | return r; | |
13ffa39f YW |
323 | network_drop_invalid_address_labels(network); |
324 | network_drop_invalid_prefixes(network); | |
325 | network_drop_invalid_route_prefixes(network); | |
326 | network_drop_invalid_routing_policy_rules(network); | |
3a67b8bb YW |
327 | network_drop_invalid_qdisc(network); |
328 | network_drop_invalid_tclass(network); | |
41ce9d76 | 329 | r = sr_iov_drop_invalid_sections(UINT32_MAX, network->sr_iov_by_section); |
e217e22a | 330 | if (r < 0) |
61ec7bea | 331 | return r; /* sr_iov_drop_invalid_sections() logs internally. */ |
c517a49b | 332 | network_drop_invalid_static_leases(network); |
518cd6b5 | 333 | |
0017ba31 YW |
334 | network_adjust_dhcp_server(network); |
335 | ||
0321cea7 YW |
336 | return 0; |
337 | } | |
338 | ||
7f06b3e1 | 339 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 340 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 341 | _cleanup_(network_unrefp) Network *network = NULL; |
047a0dac | 342 | const char *dropin_dirname; |
838b2f7a | 343 | char *d; |
f579559b TG |
344 | int r; |
345 | ||
bf1bc670 TA |
346 | assert(manager); |
347 | assert(filename); | |
348 | ||
4e54a17d | 349 | r = null_or_empty_path(filename); |
4e54a17d | 350 | if (r < 0) |
61ec7bea | 351 | return log_warning_errno(r, "Failed to check if \"%s\" is empty: %m", filename); |
4e54a17d | 352 | if (r > 0) { |
ed88bcfb | 353 | log_debug("Skipping empty file: %s", filename); |
6916ec29 TG |
354 | return 0; |
355 | } | |
356 | ||
838b2f7a YW |
357 | fname = strdup(filename); |
358 | if (!fname) | |
359 | return log_oom(); | |
360 | ||
361 | name = strdup(basename(filename)); | |
362 | if (!name) | |
363 | return log_oom(); | |
364 | ||
365 | d = strrchr(name, '.'); | |
366 | if (!d) | |
61ec7bea | 367 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid file name: %s", filename); |
838b2f7a YW |
368 | |
369 | *d = '\0'; | |
370 | ||
371 | dropin_dirname = strjoina(name, ".network.d"); | |
372 | ||
17f9c355 | 373 | network = new(Network, 1); |
f579559b TG |
374 | if (!network) |
375 | return log_oom(); | |
376 | ||
17f9c355 | 377 | *network = (Network) { |
838b2f7a YW |
378 | .filename = TAKE_PTR(fname), |
379 | .name = TAKE_PTR(name), | |
17f9c355 | 380 | |
715d398e | 381 | .manager = manager, |
35ac3b76 YW |
382 | .n_ref = 1, |
383 | ||
7c644a69 | 384 | .required_for_online = -1, |
75cd4a5d | 385 | .required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT, |
61135582 | 386 | .activation_policy = _ACTIVATION_POLICY_INVALID, |
cee68339 | 387 | .group = -1, |
db5756f3 YW |
388 | .arp = -1, |
389 | .multicast = -1, | |
390 | .allmulticast = -1, | |
937e305e | 391 | .promiscuous = -1, |
db5756f3 | 392 | |
ea853de5 | 393 | .keep_configuration = manager->keep_configuration, |
db5756f3 | 394 | |
4e26a5ba | 395 | .dhcp_duid.type = _DUID_TYPE_INVALID, |
7da377ef | 396 | .dhcp_critical = -1, |
17f9c355 | 397 | .dhcp_use_ntp = true, |
d7b04506 | 398 | .dhcp_routes_to_ntp = true, |
299d578f | 399 | .dhcp_use_sip = true, |
edb88a72 | 400 | .dhcp_use_captive_portal = true, |
17f9c355 | 401 | .dhcp_use_dns = true, |
70570306 | 402 | .dhcp_routes_to_dns = true, |
17f9c355 YW |
403 | .dhcp_use_hostname = true, |
404 | .dhcp_use_routes = true, | |
589397a2 | 405 | .dhcp_use_gateway = -1, |
17f9c355 | 406 | .dhcp_send_hostname = true, |
5f3b5f19 | 407 | .dhcp_send_release = true, |
17f9c355 | 408 | .dhcp_route_metric = DHCP_ROUTE_METRIC, |
f90635f1 | 409 | .dhcp_client_identifier = _DHCP_CLIENT_ID_INVALID, |
17f9c355 | 410 | .dhcp_route_table = RT_TABLE_MAIN, |
db5756f3 | 411 | .dhcp_ip_service_type = -1, |
e70eca9b | 412 | .dhcp_broadcast = -1, |
17f9c355 | 413 | |
1536b7b2 | 414 | .dhcp6_use_address = true, |
0f5ef9b6 | 415 | .dhcp6_use_pd_prefix = true, |
1536b7b2 | 416 | .dhcp6_use_dns = true, |
38ba3da0 | 417 | .dhcp6_use_hostname = true, |
1536b7b2 | 418 | .dhcp6_use_ntp = true, |
a75feb55 | 419 | .dhcp6_use_captive_portal = true, |
50ee1fec | 420 | .dhcp6_use_rapid_commit = true, |
4e26a5ba | 421 | .dhcp6_duid.type = _DUID_TYPE_INVALID, |
0e45721e | 422 | .dhcp6_client_start_mode = _DHCP6_CLIENT_START_MODE_INVALID, |
b895aa5f | 423 | .dhcp6_send_release = true, |
caa8ca42 | 424 | |
a27588d4 YW |
425 | .dhcp_pd = -1, |
426 | .dhcp_pd_announce = true, | |
427 | .dhcp_pd_assign = true, | |
428 | .dhcp_pd_manage_temporary_address = true, | |
429 | .dhcp_pd_subnet_id = -1, | |
430 | .dhcp_pd_route_metric = DHCP6PD_ROUTE_METRIC, | |
9efa8a3c | 431 | |
21b6b87e | 432 | .dhcp_server_bind_to_interface = true, |
2a71d57f LP |
433 | .dhcp_server_emit[SD_DHCP_LEASE_DNS].emit = true, |
434 | .dhcp_server_emit[SD_DHCP_LEASE_NTP].emit = true, | |
435 | .dhcp_server_emit[SD_DHCP_LEASE_SIP].emit = true, | |
17f9c355 YW |
436 | .dhcp_server_emit_router = true, |
437 | .dhcp_server_emit_timezone = true, | |
438 | ||
4f1ac4a3 | 439 | .router_lifetime_usec = RADV_DEFAULT_ROUTER_LIFETIME_USEC, |
c9e2c2da | 440 | .router_dns_lifetime_usec = RADV_DEFAULT_VALID_LIFETIME_USEC, |
17f9c355 YW |
441 | .router_emit_dns = true, |
442 | .router_emit_domains = true, | |
443 | ||
444 | .use_bpdu = -1, | |
445 | .hairpin = -1, | |
97f27f8a | 446 | .isolated = -1, |
17f9c355 YW |
447 | .fast_leave = -1, |
448 | .allow_port_to_be_root = -1, | |
449 | .unicast_flood = -1, | |
7f15b714 | 450 | .multicast_flood = -1, |
d3aa8b49 | 451 | .multicast_to_unicast = -1, |
7f15b714 TJ |
452 | .neighbor_suppression = -1, |
453 | .learning = -1, | |
1087623b SS |
454 | .bridge_proxy_arp = -1, |
455 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 456 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 457 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 YW |
458 | |
459 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, | |
c01b9b87 | 460 | .lldp_multicast_mode = _SD_LLDP_MULTICAST_MODE_INVALID, |
17f9c355 | 461 | |
7ece6f58 | 462 | .dns_default_route = -1, |
17f9c355 YW |
463 | .llmnr = RESOLVE_SUPPORT_YES, |
464 | .mdns = RESOLVE_SUPPORT_NO, | |
465 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
466 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
467 | ||
0321cea7 | 468 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 469 | .link_local = _ADDRESS_FAMILY_INVALID, |
6f6296b9 | 470 | .ipv6ll_address_gen_mode = _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID, |
17f9c355 | 471 | |
94d76d07 | 472 | .ipv4_accept_local = -1, |
d75bf6cf | 473 | .ipv4_route_localnet = -1, |
932ef6ec | 474 | .ipv6_privacy_extensions = _IPV6_PRIVACY_EXTENSIONS_INVALID, |
17f9c355 YW |
475 | .ipv6_dad_transmits = -1, |
476 | .ipv6_hop_limit = -1, | |
477 | .ipv6_proxy_ndp = -1, | |
17f9c355 | 478 | .proxy_arp = -1, |
9c72e8f8 | 479 | .ipv4_rp_filter = _IP_REVERSE_PATH_FILTER_INVALID, |
db5756f3 | 480 | |
7d93b92f | 481 | .ipv6_accept_ra = -1, |
17f9c355 | 482 | .ipv6_accept_ra_use_dns = true, |
610c0db1 | 483 | .ipv6_accept_ra_use_gateway = true, |
9747955d | 484 | .ipv6_accept_ra_use_captive_portal = true, |
610c0db1 | 485 | .ipv6_accept_ra_use_route_prefix = true, |
062c2eea SS |
486 | .ipv6_accept_ra_use_autonomous_prefix = true, |
487 | .ipv6_accept_ra_use_onlink_prefix = true, | |
7d93b92f | 488 | .ipv6_accept_ra_use_mtu = true, |
f141b2c0 | 489 | .ipv6_accept_ra_use_hop_limit = true, |
17f9c355 | 490 | .ipv6_accept_ra_route_table = RT_TABLE_MAIN, |
6f812d28 YW |
491 | .ipv6_accept_ra_route_metric_high = IPV6RA_ROUTE_METRIC_HIGH, |
492 | .ipv6_accept_ra_route_metric_medium = IPV6RA_ROUTE_METRIC_MEDIUM, | |
493 | .ipv6_accept_ra_route_metric_low = IPV6RA_ROUTE_METRIC_LOW, | |
cabe5711 | 494 | .ipv6_accept_ra_start_dhcp6_client = IPV6_ACCEPT_RA_START_DHCP6_CLIENT_YES, |
c423be28 | 495 | |
52aa38f1 | 496 | .can_termination = -1, |
72e65e6f YW |
497 | |
498 | .ipoib_mode = _IP_OVER_INFINIBAND_MODE_INVALID, | |
499 | .ipoib_umcast = -1, | |
17f9c355 | 500 | }; |
f579559b | 501 | |
4f9ff96a | 502 | r = config_parse_many( |
947f59ba | 503 | STRV_MAKE_CONST(filename), NETWORK_DIRS, dropin_dirname, /* root = */ NULL, |
4f9ff96a LP |
504 | "Match\0" |
505 | "Link\0" | |
518cd6b5 | 506 | "SR-IOV\0" |
4f9ff96a LP |
507 | "Network\0" |
508 | "Address\0" | |
509 | "Neighbor\0" | |
510 | "IPv6AddressLabel\0" | |
511 | "RoutingPolicyRule\0" | |
512 | "Route\0" | |
513 | "NextHop\0" | |
514 | "DHCP\0" /* compat */ | |
515 | "DHCPv4\0" | |
516 | "DHCPv6\0" | |
a27588d4 YW |
517 | "DHCPv6PrefixDelegation\0" /* compat */ |
518 | "DHCPPrefixDelegation\0" | |
4f9ff96a | 519 | "DHCPServer\0" |
c517a49b | 520 | "DHCPServerStaticLease\0" |
4f9ff96a LP |
521 | "IPv6AcceptRA\0" |
522 | "IPv6NDPProxyAddress\0" | |
523 | "Bridge\0" | |
524 | "BridgeFDB\0" | |
3db468ea | 525 | "BridgeMDB\0" |
4f9ff96a | 526 | "BridgeVLAN\0" |
27ff0490 | 527 | "IPv6SendRA\0" |
4f9ff96a LP |
528 | "IPv6PrefixDelegation\0" |
529 | "IPv6Prefix\0" | |
530 | "IPv6RoutePrefix\0" | |
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 | ||
a27588d4 | 640 | return manager_build_dhcp_pd_subnet_ids(manager); |
7f06b3e1 YW |
641 | |
642 | failure: | |
643 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
644 | ||
645 | return r; | |
646 | } | |
647 | ||
a27588d4 | 648 | int manager_build_dhcp_pd_subnet_ids(Manager *manager) { |
1a4ca0e2 YW |
649 | Network *n; |
650 | int r; | |
651 | ||
652 | assert(manager); | |
653 | ||
a27588d4 | 654 | set_clear(manager->dhcp_pd_subnet_ids); |
1a4ca0e2 YW |
655 | |
656 | ORDERED_HASHMAP_FOREACH(n, manager->networks) { | |
657 | if (n->unmanaged) | |
658 | continue; | |
659 | ||
a27588d4 | 660 | if (!n->dhcp_pd) |
1a4ca0e2 YW |
661 | continue; |
662 | ||
a27588d4 | 663 | if (n->dhcp_pd_subnet_id < 0) |
1a4ca0e2 YW |
664 | continue; |
665 | ||
a27588d4 | 666 | r = set_ensure_put(&manager->dhcp_pd_subnet_ids, &uint64_hash_ops, &n->dhcp_pd_subnet_id); |
1a4ca0e2 YW |
667 | if (r < 0) |
668 | return r; | |
669 | } | |
670 | ||
671 | return 0; | |
672 | } | |
673 | ||
35ac3b76 | 674 | static Network *network_free(Network *network) { |
f579559b | 675 | if (!network) |
35ac3b76 | 676 | return NULL; |
f579559b | 677 | |
54e0cfc4 | 678 | free(network->name); |
f579559b | 679 | free(network->filename); |
54e0cfc4 | 680 | free(network->description); |
a2640646 | 681 | strv_free(network->dropins); |
8524db50 | 682 | hashmap_free(network->stats_by_path); |
f579559b | 683 | |
54e0cfc4 | 684 | /* conditions */ |
5722fb89 | 685 | net_match_clear(&network->match); |
c4f58dea | 686 | condition_free_list(network->conditions); |
f579559b | 687 | |
54e0cfc4 YW |
688 | /* link settings */ |
689 | strv_free(network->bind_carrier); | |
690 | ||
691 | /* NTP */ | |
692 | strv_free(network->ntp); | |
693 | ||
694 | /* DNS */ | |
695 | for (unsigned i = 0; i < network->n_dns; i++) | |
696 | in_addr_full_free(network->dns[i]); | |
697 | free(network->dns); | |
698 | ordered_set_free(network->search_domains); | |
699 | ordered_set_free(network->route_domains); | |
700 | set_free_free(network->dnssec_negative_trust_anchors); | |
701 | ||
702 | /* DHCP server */ | |
11c38d3e YA |
703 | free(network->dhcp_server_relay_agent_circuit_id); |
704 | free(network->dhcp_server_relay_agent_remote_id); | |
6278e428 YW |
705 | free(network->dhcp_server_boot_server_name); |
706 | free(network->dhcp_server_boot_filename); | |
54e0cfc4 YW |
707 | free(network->dhcp_server_timezone); |
708 | free(network->dhcp_server_uplink_name); | |
709 | for (sd_dhcp_lease_server_type_t t = 0; t < _SD_DHCP_LEASE_SERVER_TYPE_MAX; t++) | |
710 | free(network->dhcp_server_emit[t].addresses); | |
711 | ordered_hashmap_free(network->dhcp_server_send_options); | |
712 | ordered_hashmap_free(network->dhcp_server_send_vendor_options); | |
11c38d3e | 713 | |
54e0cfc4 | 714 | /* DHCP client */ |
edb85f0d | 715 | free(network->dhcp_vendor_class_identifier); |
7b8d23a9 | 716 | free(network->dhcp_mudurl); |
27cb34f5 | 717 | free(network->dhcp_hostname); |
d419ef02 | 718 | free(network->dhcp_label); |
6b000af4 | 719 | set_free(network->dhcp_deny_listed_ip); |
98ebef62 | 720 | set_free(network->dhcp_allow_listed_ip); |
54e0cfc4 | 721 | strv_free(network->dhcp_user_class); |
5bc945be | 722 | set_free(network->dhcp_request_options); |
54e0cfc4 YW |
723 | ordered_hashmap_free(network->dhcp_client_send_options); |
724 | ordered_hashmap_free(network->dhcp_client_send_vendor_options); | |
4b3590c3 | 725 | free(network->dhcp_netlabel); |
54e0cfc4 YW |
726 | |
727 | /* DHCPv6 client */ | |
3175a8c2 | 728 | free(network->dhcp6_mudurl); |
f37f2a6b | 729 | strv_free(network->dhcp6_user_class); |
ed0d1b2e | 730 | strv_free(network->dhcp6_vendor_class); |
54e0cfc4 YW |
731 | set_free(network->dhcp6_request_options); |
732 | ordered_hashmap_free(network->dhcp6_client_send_options); | |
733 | ordered_hashmap_free(network->dhcp6_client_send_vendor_options); | |
4b3590c3 | 734 | free(network->dhcp6_netlabel); |
c106cc36 | 735 | |
54e0cfc4 YW |
736 | /* DHCP PD */ |
737 | free(network->dhcp_pd_uplink_name); | |
738 | set_free(network->dhcp_pd_tokens); | |
4b3590c3 | 739 | free(network->dhcp_pd_netlabel); |
cdd7812b | 740 | |
54e0cfc4 | 741 | /* Router advertisement */ |
5e276772 | 742 | ordered_set_free(network->router_search_domains); |
cdd7812b | 743 | free(network->router_dns); |
54e0cfc4 YW |
744 | free(network->router_uplink_name); |
745 | ||
746 | /* NDisc */ | |
c995fa02 YW |
747 | set_free(network->ndisc_deny_listed_router); |
748 | set_free(network->ndisc_allow_listed_router); | |
749 | set_free(network->ndisc_deny_listed_prefix); | |
750 | set_free(network->ndisc_allow_listed_prefix); | |
751 | set_free(network->ndisc_deny_listed_route_prefix); | |
752 | set_free(network->ndisc_allow_listed_route_prefix); | |
54e0cfc4 | 753 | set_free(network->ndisc_tokens); |
4b3590c3 | 754 | free(network->ndisc_netlabel); |
3bef724f | 755 | |
54e0cfc4 YW |
756 | /* LLDP */ |
757 | free(network->lldp_mudurl); | |
758 | ||
759 | /* netdev */ | |
c0267a59 | 760 | free(network->batadv_name); |
cebe1257 YW |
761 | free(network->bridge_name); |
762 | free(network->bond_name); | |
763 | free(network->vrf_name); | |
764 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 765 | netdev_unref(network->bridge); |
47e2dc31 | 766 | netdev_unref(network->bond); |
6cb955c6 | 767 | netdev_unref(network->vrf); |
fa6f1e54 | 768 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 769 | |
54e0cfc4 | 770 | /* static configs */ |
d349f502 | 771 | set_free_free(network->ipv6_proxy_ndp_addresses); |
9cd9fc8f | 772 | ordered_hashmap_free_with_destructor(network->addresses_by_section, address_free); |
2a54a044 | 773 | hashmap_free_with_destructor(network->routes_by_section, route_free); |
b82663dd | 774 | hashmap_free_with_destructor(network->nexthops_by_section, nexthop_free); |
9671ae9d | 775 | hashmap_free_with_destructor(network->bridge_fdb_entries_by_section, bridge_fdb_free); |
ff9e0783 | 776 | hashmap_free_with_destructor(network->bridge_mdb_entries_by_section, bridge_mdb_free); |
aa9626ee | 777 | ordered_hashmap_free_with_destructor(network->neighbors_by_section, neighbor_free); |
d6a2a0f9 | 778 | hashmap_free_with_destructor(network->address_labels_by_section, address_label_free); |
ecb0e85e YW |
779 | hashmap_free_with_destructor(network->prefixes_by_section, prefix_free); |
780 | hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free); | |
ca183bf8 | 781 | hashmap_free_with_destructor(network->rules_by_section, routing_policy_rule_free); |
c517a49b | 782 | hashmap_free_with_destructor(network->dhcp_static_leases_by_section, dhcp_static_lease_free); |
518cd6b5 | 783 | ordered_hashmap_free_with_destructor(network->sr_iov_by_section, sr_iov_free); |
3a67b8bb YW |
784 | hashmap_free_with_destructor(network->qdiscs_by_section, qdisc_free); |
785 | hashmap_free_with_destructor(network->tclasses_by_section, tclass_free); | |
6ae115c1 | 786 | |
35ac3b76 | 787 | return mfree(network); |
f579559b TG |
788 | } |
789 | ||
35ac3b76 YW |
790 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
791 | ||
dbffab87 TG |
792 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
793 | Network *network; | |
794 | ||
795 | assert(manager); | |
796 | assert(name); | |
797 | assert(ret); | |
798 | ||
715d398e | 799 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
800 | if (!network) |
801 | return -ENOENT; | |
802 | ||
803 | *ret = network; | |
804 | ||
805 | return 0; | |
806 | } | |
807 | ||
adfeee49 | 808 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 809 | Address *address; |
adfeee49 | 810 | Route *route; |
9671ae9d | 811 | BridgeFDB *fdb; |
ff9e0783 | 812 | BridgeMDB *mdb; |
adfeee49 | 813 | Neighbor *neighbor; |
439689c6 SS |
814 | |
815 | assert(network); | |
816 | ||
9cd9fc8f | 817 | ORDERED_HASHMAP_FOREACH(address, network->addresses_by_section) |
439689c6 SS |
818 | if (address->family == AF_INET6) |
819 | return true; | |
adfeee49 | 820 | |
2a54a044 | 821 | HASHMAP_FOREACH(route, network->routes_by_section) |
adfeee49 YW |
822 | if (route->family == AF_INET6) |
823 | return true; | |
824 | ||
9671ae9d | 825 | HASHMAP_FOREACH(fdb, network->bridge_fdb_entries_by_section) |
adfeee49 YW |
826 | if (fdb->family == AF_INET6) |
827 | return true; | |
828 | ||
ff9e0783 | 829 | HASHMAP_FOREACH(mdb, network->bridge_mdb_entries_by_section) |
3db468ea DM |
830 | if (mdb->family == AF_INET6) |
831 | return true; | |
832 | ||
aa9626ee | 833 | ORDERED_HASHMAP_FOREACH(neighbor, network->neighbors_by_section) |
adfeee49 YW |
834 | if (neighbor->family == AF_INET6) |
835 | return true; | |
836 | ||
d6a2a0f9 | 837 | if (!hashmap_isempty(network->address_labels_by_section)) |
adfeee49 YW |
838 | return true; |
839 | ||
ecb0e85e | 840 | if (!hashmap_isempty(network->prefixes_by_section)) |
adfeee49 | 841 | return true; |
d30081c2 YW |
842 | |
843 | if (!hashmap_isempty(network->route_prefixes_by_section)) | |
844 | return true; | |
439689c6 SS |
845 | |
846 | return false; | |
847 | } | |
848 | ||
63481576 YW |
849 | int config_parse_stacked_netdev( |
850 | const char *unit, | |
02b59d57 TG |
851 | const char *filename, |
852 | unsigned line, | |
853 | const char *section, | |
854 | unsigned section_line, | |
855 | const char *lvalue, | |
856 | int ltype, | |
857 | const char *rvalue, | |
858 | void *data, | |
859 | void *userdata) { | |
63481576 | 860 | |
95dba435 YW |
861 | _cleanup_free_ char *name = NULL; |
862 | NetDevKind kind = ltype; | |
99534007 | 863 | Hashmap **h = ASSERT_PTR(data); |
02b59d57 TG |
864 | int r; |
865 | ||
866 | assert(filename); | |
867 | assert(lvalue); | |
868 | assert(rvalue); | |
95dba435 | 869 | assert(IN_SET(kind, |
b90d0f83 | 870 | NETDEV_KIND_IPOIB, |
bc945c2b YW |
871 | NETDEV_KIND_IPVLAN, |
872 | NETDEV_KIND_IPVTAP, | |
bc945c2b YW |
873 | NETDEV_KIND_MACSEC, |
874 | NETDEV_KIND_MACVLAN, | |
875 | NETDEV_KIND_MACVTAP, | |
876 | NETDEV_KIND_VLAN, | |
877 | NETDEV_KIND_VXLAN, | |
878 | NETDEV_KIND_XFRM, | |
879 | _NETDEV_KIND_TUNNEL)); | |
54abf461 | 880 | |
cebe1257 | 881 | if (!ifname_valid(rvalue)) { |
d96edb2c | 882 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3772cfde | 883 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
884 | return 0; |
885 | } | |
886 | ||
cebe1257 YW |
887 | name = strdup(rvalue); |
888 | if (!name) | |
889 | return log_oom(); | |
3e570042 | 890 | |
6de530f2 SS |
891 | r = hashmap_ensure_put(h, &string_hash_ops, name, INT_TO_PTR(kind)); |
892 | if (r == -ENOMEM) | |
cebe1257 | 893 | return log_oom(); |
83ec4592 | 894 | if (r < 0) |
d96edb2c | 895 | log_syntax(unit, LOG_WARNING, filename, line, r, |
83ec4592 ZJS |
896 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
897 | else if (r == 0) | |
898 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
899 | "NetDev '%s' specified twice, ignoring.", name); | |
900 | else | |
0c7bd7ec | 901 | TAKE_PTR(name); |
47e2dc31 | 902 | |
fe6b2d55 TG |
903 | return 0; |
904 | } | |
7951dea2 | 905 | |
3df9bec5 LP |
906 | int config_parse_domains( |
907 | const char *unit, | |
908 | const char *filename, | |
909 | unsigned line, | |
910 | const char *section, | |
911 | unsigned section_line, | |
912 | const char *lvalue, | |
913 | int ltype, | |
914 | const char *rvalue, | |
915 | void *data, | |
916 | void *userdata) { | |
917 | ||
99534007 | 918 | Network *n = ASSERT_PTR(userdata); |
6192b846 TG |
919 | int r; |
920 | ||
5aafd5b1 | 921 | assert(filename); |
3df9bec5 LP |
922 | assert(lvalue); |
923 | assert(rvalue); | |
6192b846 | 924 | |
3df9bec5 | 925 | if (isempty(rvalue)) { |
5e276772 YW |
926 | n->search_domains = ordered_set_free(n->search_domains); |
927 | n->route_domains = ordered_set_free(n->route_domains); | |
3df9bec5 LP |
928 | return 0; |
929 | } | |
67272d15 | 930 | |
d96edb2c | 931 | for (const char *p = rvalue;;) { |
3df9bec5 LP |
932 | _cleanup_free_ char *w = NULL, *normalized = NULL; |
933 | const char *domain; | |
934 | bool is_route; | |
935 | ||
936 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
937 | if (r == -ENOMEM) |
938 | return log_oom(); | |
3df9bec5 | 939 | if (r < 0) { |
d96edb2c | 940 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 941 | "Failed to extract search or route domain, ignoring: %s", rvalue); |
d96edb2c | 942 | return 0; |
3df9bec5 LP |
943 | } |
944 | if (r == 0) | |
d96edb2c | 945 | return 0; |
3df9bec5 LP |
946 | |
947 | is_route = w[0] == '~'; | |
948 | domain = is_route ? w + 1 : w; | |
949 | ||
950 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
951 | /* If the root domain appears as is, or the special token "*" is found, we'll |
952 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 953 | is_route = true; |
ab24039f ZJS |
954 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
955 | * domain as "." */ | |
3df9bec5 | 956 | } else { |
7470cc4c | 957 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 958 | if (r < 0) { |
d96edb2c | 959 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 960 | "'%s' is not a valid domain name, ignoring.", domain); |
3df9bec5 LP |
961 | continue; |
962 | } | |
963 | ||
964 | domain = normalized; | |
965 | ||
966 | if (is_localhost(domain)) { | |
d96edb2c | 967 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f ZJS |
968 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", |
969 | domain); | |
37de2509 | 970 | continue; |
3df9bec5 | 971 | } |
37de2509 | 972 | } |
40274ed6 | 973 | |
5e2a51d5 | 974 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
cf453507 YW |
975 | r = ordered_set_put_strdup(set, domain); |
976 | if (r == -EEXIST) | |
977 | continue; | |
09451975 LP |
978 | if (r < 0) |
979 | return log_oom(); | |
40274ed6 | 980 | } |
6192b846 TG |
981 | } |
982 | ||
8eb9058d LP |
983 | int config_parse_timezone( |
984 | const char *unit, | |
985 | const char *filename, | |
986 | unsigned line, | |
987 | const char *section, | |
988 | unsigned section_line, | |
989 | const char *lvalue, | |
990 | int ltype, | |
991 | const char *rvalue, | |
992 | void *data, | |
993 | void *userdata) { | |
994 | ||
99534007 | 995 | char **tz = ASSERT_PTR(data); |
8eb9058d LP |
996 | int r; |
997 | ||
998 | assert(filename); | |
999 | assert(lvalue); | |
1000 | assert(rvalue); | |
1001 | ||
b40b8b06 YW |
1002 | if (isempty(rvalue)) { |
1003 | *tz = mfree(*tz); | |
1004 | return 0; | |
1005 | } | |
8eb9058d | 1006 | |
b40b8b06 YW |
1007 | r = verify_timezone(rvalue, LOG_WARNING); |
1008 | if (r < 0) { | |
1009 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
ab24039f | 1010 | "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
1011 | return 0; |
1012 | } | |
1013 | ||
b40b8b06 | 1014 | return free_and_strdup_warn(tz, rvalue); |
8eb9058d | 1015 | } |
1a04db0f | 1016 | |
53253824 SS |
1017 | int config_parse_dns( |
1018 | const char *unit, | |
1019 | const char *filename, | |
1020 | unsigned line, | |
1021 | const char *section, | |
1022 | unsigned section_line, | |
1023 | const char *lvalue, | |
1024 | int ltype, | |
1025 | const char *rvalue, | |
1026 | void *data, | |
1027 | void *userdata) { | |
1028 | ||
99534007 | 1029 | Network *n = ASSERT_PTR(userdata); |
53253824 SS |
1030 | int r; |
1031 | ||
1032 | assert(filename); | |
1033 | assert(lvalue); | |
1034 | assert(rvalue); | |
1035 | ||
d96edb2c | 1036 | if (isempty(rvalue)) { |
e77bd3fd YW |
1037 | for (unsigned i = 0; i < n->n_dns; i++) |
1038 | in_addr_full_free(n->dns[i]); | |
d96edb2c YW |
1039 | n->dns = mfree(n->dns); |
1040 | n->n_dns = 0; | |
1041 | return 0; | |
1042 | } | |
1043 | ||
1044 | for (const char *p = rvalue;;) { | |
e77bd3fd | 1045 | _cleanup_(in_addr_full_freep) struct in_addr_full *dns = NULL; |
53253824 | 1046 | _cleanup_free_ char *w = NULL; |
e77bd3fd | 1047 | struct in_addr_full **m; |
53253824 | 1048 | |
d96edb2c | 1049 | r = extract_first_word(&p, &w, NULL, 0); |
53253824 SS |
1050 | if (r == -ENOMEM) |
1051 | return log_oom(); | |
1052 | if (r < 0) { | |
d96edb2c | 1053 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1054 | "Invalid syntax, ignoring: %s", rvalue); |
d96edb2c | 1055 | return 0; |
53253824 | 1056 | } |
5512a963 | 1057 | if (r == 0) |
d96edb2c | 1058 | return 0; |
53253824 | 1059 | |
e77bd3fd | 1060 | r = in_addr_full_new_from_string(w, &dns); |
53253824 | 1061 | if (r < 0) { |
d96edb2c | 1062 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1063 | "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1064 | continue; |
1065 | } | |
1066 | ||
e77bd3fd YW |
1067 | if (IN_SET(dns->port, 53, 853)) |
1068 | dns->port = 0; | |
1069 | ||
1070 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_full*)); | |
5512a963 | 1071 | if (!m) |
53253824 SS |
1072 | return log_oom(); |
1073 | ||
e77bd3fd | 1074 | m[n->n_dns++] = TAKE_PTR(dns); |
5512a963 | 1075 | n->dns = m; |
53253824 | 1076 | } |
53253824 SS |
1077 | } |
1078 | ||
8a516214 LP |
1079 | int config_parse_dnssec_negative_trust_anchors( |
1080 | const char *unit, | |
1081 | const char *filename, | |
1082 | unsigned line, | |
1083 | const char *section, | |
1084 | unsigned section_line, | |
1085 | const char *lvalue, | |
1086 | int ltype, | |
1087 | const char *rvalue, | |
1088 | void *data, | |
1089 | void *userdata) { | |
1090 | ||
99534007 | 1091 | Set **nta = ASSERT_PTR(data); |
8a516214 LP |
1092 | int r; |
1093 | ||
5aafd5b1 | 1094 | assert(filename); |
8a516214 LP |
1095 | assert(lvalue); |
1096 | assert(rvalue); | |
1097 | ||
1098 | if (isempty(rvalue)) { | |
5aafd5b1 | 1099 | *nta = set_free_free(*nta); |
8a516214 LP |
1100 | return 0; |
1101 | } | |
1102 | ||
d96edb2c | 1103 | for (const char *p = rvalue;;) { |
8a516214 LP |
1104 | _cleanup_free_ char *w = NULL; |
1105 | ||
1106 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
1107 | if (r == -ENOMEM) |
1108 | return log_oom(); | |
8a516214 | 1109 | if (r < 0) { |
d96edb2c | 1110 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1111 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); |
d96edb2c | 1112 | return 0; |
8a516214 LP |
1113 | } |
1114 | if (r == 0) | |
d96edb2c | 1115 | return 0; |
8a516214 LP |
1116 | |
1117 | r = dns_name_is_valid(w); | |
1118 | if (r <= 0) { | |
d96edb2c | 1119 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1120 | "%s is not a valid domain name, ignoring.", w); |
8a516214 LP |
1121 | continue; |
1122 | } | |
1123 | ||
5aafd5b1 | 1124 | r = set_ensure_consume(nta, &dns_name_hash_ops, TAKE_PTR(w)); |
8a516214 LP |
1125 | if (r < 0) |
1126 | return log_oom(); | |
8a516214 | 1127 | } |
8a516214 | 1128 | } |
b2a81c0b | 1129 | |
26575990 LP |
1130 | int config_parse_ntp( |
1131 | const char *unit, | |
1132 | const char *filename, | |
1133 | unsigned line, | |
1134 | const char *section, | |
1135 | unsigned section_line, | |
1136 | const char *lvalue, | |
1137 | int ltype, | |
1138 | const char *rvalue, | |
1139 | void *data, | |
1140 | void *userdata) { | |
1141 | ||
99534007 | 1142 | char ***l = ASSERT_PTR(data); |
26575990 LP |
1143 | int r; |
1144 | ||
5aafd5b1 | 1145 | assert(filename); |
26575990 LP |
1146 | assert(lvalue); |
1147 | assert(rvalue); | |
1148 | ||
1149 | if (isempty(rvalue)) { | |
1150 | *l = strv_free(*l); | |
1151 | return 0; | |
1152 | } | |
1153 | ||
d96edb2c | 1154 | for (const char *p = rvalue;;) { |
26575990 LP |
1155 | _cleanup_free_ char *w = NULL; |
1156 | ||
d96edb2c | 1157 | r = extract_first_word(&p, &w, NULL, 0); |
26575990 LP |
1158 | if (r == -ENOMEM) |
1159 | return log_oom(); | |
1160 | if (r < 0) { | |
d96edb2c | 1161 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1162 | "Failed to extract NTP server name, ignoring: %s", rvalue); |
d96edb2c | 1163 | return 0; |
26575990 LP |
1164 | } |
1165 | if (r == 0) | |
d96edb2c | 1166 | return 0; |
26575990 LP |
1167 | |
1168 | r = dns_name_is_valid_or_address(w); | |
1169 | if (r <= 0) { | |
d96edb2c | 1170 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1171 | "%s is not a valid domain name or IP address, ignoring.", w); |
26575990 | 1172 | continue; |
af1c0de0 SS |
1173 | } |
1174 | ||
c448459d ZJS |
1175 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1176 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1177 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1178 | MAX_NTP_SERVERS, w); | |
d96edb2c | 1179 | return 0; |
c448459d ZJS |
1180 | } |
1181 | ||
1182 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1183 | if (r < 0) |
1184 | return log_oom(); | |
af1c0de0 | 1185 | } |
af1c0de0 SS |
1186 | } |
1187 | ||
4ac77d63 YW |
1188 | int config_parse_required_for_online( |
1189 | const char *unit, | |
1190 | const char *filename, | |
1191 | unsigned line, | |
1192 | const char *section, | |
1193 | unsigned section_line, | |
1194 | const char *lvalue, | |
1195 | int ltype, | |
1196 | const char *rvalue, | |
1197 | void *data, | |
1198 | void *userdata) { | |
1199 | ||
99534007 | 1200 | Network *network = ASSERT_PTR(userdata); |
75cd4a5d | 1201 | LinkOperationalStateRange range; |
4ac77d63 YW |
1202 | bool required = true; |
1203 | int r; | |
1204 | ||
5aafd5b1 YW |
1205 | assert(filename); |
1206 | assert(lvalue); | |
1207 | assert(rvalue); | |
5aafd5b1 | 1208 | |
4ac77d63 | 1209 | if (isempty(rvalue)) { |
7c644a69 | 1210 | network->required_for_online = -1; |
75cd4a5d | 1211 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1212 | return 0; |
1213 | } | |
1214 | ||
75cd4a5d DDM |
1215 | r = parse_operational_state_range(rvalue, &range); |
1216 | if (r < 0) { | |
4ac77d63 YW |
1217 | r = parse_boolean(rvalue); |
1218 | if (r < 0) { | |
d96edb2c | 1219 | log_syntax(unit, LOG_WARNING, filename, line, r, |
4ac77d63 YW |
1220 | "Failed to parse %s= setting, ignoring assignment: %s", |
1221 | lvalue, rvalue); | |
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | required = r; | |
75cd4a5d | 1226 | range = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1227 | } |
1228 | ||
1229 | network->required_for_online = required; | |
75cd4a5d | 1230 | network->required_operstate_for_online = range; |
4ac77d63 YW |
1231 | |
1232 | return 0; | |
1233 | } | |
7da377ef | 1234 | |
f0c09831 YW |
1235 | int config_parse_link_group( |
1236 | const char *unit, | |
1237 | const char *filename, | |
1238 | unsigned line, | |
1239 | const char *section, | |
1240 | unsigned section_line, | |
1241 | const char *lvalue, | |
1242 | int ltype, | |
1243 | const char *rvalue, | |
1244 | void *data, | |
1245 | void *userdata) { | |
1246 | ||
99534007 | 1247 | Network *network = ASSERT_PTR(userdata); |
f0c09831 | 1248 | int r; |
10af8bb2 | 1249 | int32_t group; |
f0c09831 YW |
1250 | |
1251 | assert(filename); | |
1252 | assert(lvalue); | |
1253 | assert(rvalue); | |
f0c09831 YW |
1254 | |
1255 | if (isempty(rvalue)) { | |
10af8bb2 | 1256 | network->group = -1; |
f0c09831 YW |
1257 | return 0; |
1258 | } | |
1259 | ||
10af8bb2 | 1260 | r = safe_atoi32(rvalue, &group); |
f0c09831 YW |
1261 | if (r < 0) { |
1262 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
1263 | "Failed to parse Group=, ignoring assignment: %s", rvalue); | |
1264 | return 0; | |
1265 | } | |
1266 | ||
10af8bb2 SB |
1267 | if (group < 0) { |
1268 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
1269 | "Value of Group= must be in the range 0…2147483647, ignoring assignment: %s", rvalue); | |
1270 | return 0; | |
1271 | } | |
1272 | ||
1273 | network->group = group; | |
f0c09831 YW |
1274 | return 0; |
1275 | } | |
1276 | ||
6706ce2f YW |
1277 | int config_parse_ignore_carrier_loss( |
1278 | const char *unit, | |
1279 | const char *filename, | |
1280 | unsigned line, | |
1281 | const char *section, | |
1282 | unsigned section_line, | |
1283 | const char *lvalue, | |
1284 | int ltype, | |
1285 | const char *rvalue, | |
1286 | void *data, | |
1287 | void *userdata) { | |
1288 | ||
99534007 | 1289 | Network *network = ASSERT_PTR(userdata); |
6706ce2f YW |
1290 | usec_t usec; |
1291 | int r; | |
1292 | ||
1293 | assert(filename); | |
1294 | assert(lvalue); | |
1295 | assert(rvalue); | |
6706ce2f YW |
1296 | |
1297 | if (isempty(rvalue)) { | |
1298 | network->ignore_carrier_loss_set = false; | |
1299 | return 0; | |
1300 | } | |
1301 | ||
1302 | r = parse_boolean(rvalue); | |
1303 | if (r >= 0) { | |
1304 | network->ignore_carrier_loss_set = true; | |
1305 | network->ignore_carrier_loss_usec = r > 0 ? USEC_INFINITY : 0; | |
1306 | return 0; | |
1307 | } | |
1308 | ||
1309 | r = parse_sec(rvalue, &usec); | |
1310 | if (r < 0) { | |
1311 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
1312 | "Failed to parse %s=, ignoring assignment: %s", lvalue, rvalue); | |
1313 | return 0; | |
1314 | } | |
1315 | ||
1316 | network->ignore_carrier_loss_set = true; | |
1317 | network->ignore_carrier_loss_usec = usec; | |
1318 | return 0; | |
1319 | } | |
1320 | ||
8430841b L |
1321 | DEFINE_CONFIG_PARSE_ENUM(config_parse_required_family_for_online, link_required_address_family, AddressFamily, |
1322 | "Failed to parse RequiredFamilyForOnline= setting"); | |
1323 | ||
7da377ef SS |
1324 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, |
1325 | "Failed to parse KeepConfiguration= setting"); | |
1326 | ||
1327 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1328 | [KEEP_CONFIGURATION_NO] = "no", |
1329 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1330 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1331 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1332 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1333 | }; |
1334 | ||
1335 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); | |
6f6296b9 | 1336 | |
61135582 DS |
1337 | static const char* const activation_policy_table[_ACTIVATION_POLICY_MAX] = { |
1338 | [ACTIVATION_POLICY_UP] = "up", | |
1339 | [ACTIVATION_POLICY_ALWAYS_UP] = "always-up", | |
1340 | [ACTIVATION_POLICY_MANUAL] = "manual", | |
1341 | [ACTIVATION_POLICY_ALWAYS_DOWN] = "always-down", | |
1342 | [ACTIVATION_POLICY_DOWN] = "down", | |
1343 | [ACTIVATION_POLICY_BOUND] = "bound", | |
1344 | }; | |
1345 | ||
1346 | DEFINE_STRING_TABLE_LOOKUP(activation_policy, ActivationPolicy); | |
1347 | DEFINE_CONFIG_PARSE_ENUM(config_parse_activation_policy, activation_policy, ActivationPolicy, "Failed to parse activation policy"); |