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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" |
fb486c90 | 16 | #include "networkd-address-label.h" |
093e3533 | 17 | #include "networkd-address.h" |
22d37e5d | 18 | #include "networkd-dhcp-common.h" |
7e19cc54 | 19 | #include "networkd-dhcp-server.h" |
ee446d57 | 20 | #include "networkd-fdb.h" |
23f53b99 | 21 | #include "networkd-manager.h" |
dbf63196 | 22 | #include "networkd-mdb.h" |
3773eb54 | 23 | #include "networkd-ndisc.h" |
1939ebeb | 24 | #include "networkd-neighbor.h" |
3ffd4af2 | 25 | #include "networkd-network.h" |
75156ccb | 26 | #include "networkd-nexthop.h" |
b5ce4047 | 27 | #include "networkd-radv.h" |
ca183bf8 | 28 | #include "networkd-routing-policy-rule.h" |
518cd6b5 | 29 | #include "networkd-sriov.h" |
6bedfcbb | 30 | #include "parse-util.h" |
b0c82192 | 31 | #include "path-lookup.h" |
8a516214 | 32 | #include "set.h" |
cebe1257 | 33 | #include "socket-util.h" |
8fcde012 | 34 | #include "stat-util.h" |
8b43440b | 35 | #include "string-table.h" |
07630cea | 36 | #include "string-util.h" |
700f1186 | 37 | #include "strv.h" |
34658df2 | 38 | #include "tc.h" |
07630cea | 39 | #include "util.h" |
f579559b | 40 | |
c448459d ZJS |
41 | /* Let's assume that anything above this number is a user misconfiguration. */ |
42 | #define MAX_NTP_SERVERS 128 | |
43 | ||
add8d07d | 44 | /* Set defaults following RFC7844 */ |
45 | void network_apply_anonymize_if_set(Network *network) { | |
46 | if (!network->dhcp_anonymize) | |
47 | return; | |
48 | /* RFC7844 3.7 | |
49 | SHOULD NOT send the Host Name option */ | |
50 | network->dhcp_send_hostname = false; | |
51 | /* RFC7844 section 3.: | |
52 | MAY contain the Client Identifier option | |
53 | Section 3.5: | |
54 | clients MUST use client identifiers based solely | |
55 | on the link-layer address */ | |
56 | /* NOTE: Using MAC, as it does not reveal extra information, | |
57 | * and some servers might not answer if this option is not sent */ | |
58 | network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC; | |
59 | /* RFC 7844 3.10: | |
60 | SHOULD NOT use the Vendor Class Identifier option */ | |
727ba17f | 61 | network->dhcp_vendor_class_identifier = mfree(network->dhcp_vendor_class_identifier); |
add8d07d | 62 | /* RFC7844 section 3.6.: |
63 | The client intending to protect its privacy SHOULD only request a | |
64 | minimal number of options in the PRL and SHOULD also randomly shuffle | |
43bf2874 | 65 | the ordering of option codes in the PRL. If this random ordering |
add8d07d | 66 | cannot be implemented, the client MAY order the option codes in the |
67 | PRL by option code number (lowest to highest). | |
68 | */ | |
69 | /* NOTE: dhcp_use_mtu is false by default, | |
70 | * though it was not initiallized to any value in network_load_one. | |
71 | * Maybe there should be another var called *send*? | |
72 | * (to use the MTU sent by the server but to do not send | |
73 | * the option in the PRL). */ | |
74 | network->dhcp_use_mtu = false; | |
28522b0d | 75 | /* NOTE: when Anonymize=yes, the PRL route options are sent by default, |
76 | * but this is needed to use them. */ | |
77 | network->dhcp_use_routes = true; | |
add8d07d | 78 | /* RFC7844 section 3.6. |
79 | * same comments as previous option */ | |
80 | network->dhcp_use_timezone = false; | |
81 | } | |
82 | ||
cebe1257 YW |
83 | static int network_resolve_netdev_one(Network *network, const char *name, NetDevKind kind, NetDev **ret_netdev) { |
84 | const char *kind_string; | |
85 | NetDev *netdev; | |
86 | int r; | |
87 | ||
96db6412 YW |
88 | /* For test-networkd-conf, the check must be earlier than the assertions. */ |
89 | if (!name) | |
90 | return 0; | |
91 | ||
cebe1257 YW |
92 | assert(network); |
93 | assert(network->manager); | |
94 | assert(network->filename); | |
95 | assert(ret_netdev); | |
96 | ||
cebe1257 YW |
97 | if (kind == _NETDEV_KIND_TUNNEL) |
98 | kind_string = "tunnel"; | |
99 | else { | |
100 | kind_string = netdev_kind_to_string(kind); | |
101 | if (!kind_string) | |
102 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
103 | "%s: Invalid NetDev kind of %s, ignoring assignment.", | |
104 | network->filename, name); | |
105 | } | |
106 | ||
107 | r = netdev_get(network->manager, name, &netdev); | |
108 | if (r < 0) | |
109 | return log_error_errno(r, "%s: %s NetDev could not be found, ignoring assignment.", | |
110 | network->filename, name); | |
111 | ||
112 | if (netdev->kind != kind && !(kind == _NETDEV_KIND_TUNNEL && | |
113 | IN_SET(netdev->kind, | |
114 | NETDEV_KIND_IPIP, | |
115 | NETDEV_KIND_SIT, | |
116 | NETDEV_KIND_GRE, | |
117 | NETDEV_KIND_GRETAP, | |
118 | NETDEV_KIND_IP6GRE, | |
119 | NETDEV_KIND_IP6GRETAP, | |
120 | NETDEV_KIND_VTI, | |
121 | NETDEV_KIND_VTI6, | |
9282f75b YW |
122 | NETDEV_KIND_IP6TNL, |
123 | NETDEV_KIND_ERSPAN))) | |
cebe1257 YW |
124 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
125 | "%s: NetDev %s is not a %s, ignoring assignment", | |
126 | network->filename, name, kind_string); | |
127 | ||
128 | *ret_netdev = netdev_ref(netdev); | |
129 | return 1; | |
130 | } | |
131 | ||
132 | static int network_resolve_stacked_netdevs(Network *network) { | |
133 | void *name, *kind; | |
cebe1257 YW |
134 | int r; |
135 | ||
136 | assert(network); | |
137 | ||
90e74a66 | 138 | HASHMAP_FOREACH_KEY(kind, name, network->stacked_netdev_names) { |
cebe1257 YW |
139 | _cleanup_(netdev_unrefp) NetDev *netdev = NULL; |
140 | ||
141 | r = network_resolve_netdev_one(network, name, PTR_TO_INT(kind), &netdev); | |
142 | if (r <= 0) | |
143 | continue; | |
144 | ||
145 | r = hashmap_ensure_allocated(&network->stacked_netdevs, &string_hash_ops); | |
146 | if (r < 0) | |
147 | return log_oom(); | |
148 | ||
149 | r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev); | |
150 | if (r < 0) | |
151 | return log_error_errno(r, "%s: Failed to add NetDev '%s' to network: %m", | |
152 | network->filename, (const char *) name); | |
153 | ||
154 | netdev = NULL; | |
155 | } | |
156 | ||
157 | return 0; | |
158 | } | |
159 | ||
96db6412 | 160 | int network_verify(Network *network) { |
0321cea7 YW |
161 | assert(network); |
162 | assert(network->filename); | |
163 | ||
5722fb89 | 164 | if (net_match_is_empty(&network->match) && !network->conditions) |
dade7349 ZJS |
165 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
166 | "%s: No valid settings found in the [Match] section, ignoring file. " | |
167 | "To match all interfaces, add Name=* in the [Match] section.", | |
168 | network->filename); | |
84ea567e | 169 | |
cebe1257 | 170 | /* skip out early if configuration does not match the environment */ |
a0b191b7 | 171 | if (!condition_test_list(network->conditions, environ, NULL, NULL, NULL)) |
cebe1257 | 172 | return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), |
3772cfde ZJS |
173 | "%s: Conditions in the file do not match the system environment, skipping.", |
174 | network->filename); | |
cebe1257 YW |
175 | |
176 | (void) network_resolve_netdev_one(network, network->bond_name, NETDEV_KIND_BOND, &network->bond); | |
177 | (void) network_resolve_netdev_one(network, network->bridge_name, NETDEV_KIND_BRIDGE, &network->bridge); | |
178 | (void) network_resolve_netdev_one(network, network->vrf_name, NETDEV_KIND_VRF, &network->vrf); | |
179 | (void) network_resolve_stacked_netdevs(network); | |
180 | ||
181 | /* Free unnecessary entries. */ | |
182 | network->bond_name = mfree(network->bond_name); | |
183 | network->bridge_name = mfree(network->bridge_name); | |
184 | network->vrf_name = mfree(network->vrf_name); | |
185 | network->stacked_netdev_names = hashmap_free_free_key(network->stacked_netdev_names); | |
186 | ||
0321cea7 YW |
187 | if (network->bond) { |
188 | /* Bonding slave does not support addressing. */ | |
0321cea7 | 189 | if (network->link_local >= 0 && network->link_local != ADDRESS_FAMILY_NO) { |
ab24039f ZJS |
190 | log_warning("%s: Cannot enable LinkLocalAddressing= when Bond= is specified, disabling LinkLocalAddressing=.", |
191 | network->filename); | |
0321cea7 YW |
192 | network->link_local = ADDRESS_FAMILY_NO; |
193 | } | |
0321cea7 | 194 | if (network->dhcp_server) { |
ab24039f ZJS |
195 | log_warning("%s: Cannot enable DHCPServer= when Bond= is specified, disabling DHCPServer=.", |
196 | network->filename); | |
0321cea7 YW |
197 | network->dhcp_server = false; |
198 | } | |
9cd9fc8f | 199 | if (!ordered_hashmap_isempty(network->addresses_by_section)) |
ab24039f ZJS |
200 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
201 | network->filename); | |
2a54a044 | 202 | if (!hashmap_isempty(network->routes_by_section)) |
ab24039f ZJS |
203 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
204 | network->filename); | |
9cd9fc8f YW |
205 | |
206 | network->addresses_by_section = ordered_hashmap_free_with_destructor(network->addresses_by_section, address_free); | |
2a54a044 | 207 | network->routes_by_section = hashmap_free_with_destructor(network->routes_by_section, route_free); |
0321cea7 YW |
208 | } |
209 | ||
210 | if (network->link_local < 0) | |
8f191801 YW |
211 | network->link_local = network->bridge ? ADDRESS_FAMILY_NO : ADDRESS_FAMILY_IPV6; |
212 | ||
0321cea7 YW |
213 | /* IPMasquerade=yes implies IPForward=yes */ |
214 | if (network->ip_masquerade) | |
215 | network->ip_forward |= ADDRESS_FAMILY_IPV4; | |
216 | ||
3773eb54 | 217 | network_adjust_ipv6_accept_ra(network); |
22d37e5d | 218 | network_adjust_dhcp(network); |
69e0f833 | 219 | network_adjust_radv(network); |
3773eb54 | 220 | |
933c70a0 | 221 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
222 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
223 | "Disabling UseMTU=.", network->filename); | |
224 | network->dhcp_use_mtu = false; | |
225 | } | |
226 | ||
589397a2 DS |
227 | if (network->dhcp_use_gateway < 0) |
228 | network->dhcp_use_gateway = network->dhcp_use_routes; | |
229 | ||
bd0d471c DS |
230 | if (network->ignore_carrier_loss < 0) |
231 | network->ignore_carrier_loss = network->configure_without_carrier; | |
232 | ||
7da377ef SS |
233 | if (network->dhcp_critical >= 0) { |
234 | if (network->keep_configuration >= 0) | |
235 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
236 | "Ignoring CriticalConnection=.", network->filename); | |
237 | else if (network->dhcp_critical) | |
238 | /* CriticalConnection=yes also preserve foreign static configurations. */ | |
239 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
240 | else | |
80060352 | 241 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
242 | } |
243 | ||
244 | if (network->keep_configuration < 0) | |
80060352 | 245 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 246 | |
87851e0f YW |
247 | if (network->ipv6_proxy_ndp == 0 && !set_isempty(network->ipv6_proxy_ndp_addresses)) { |
248 | log_warning("%s: IPv6ProxyNDP= is disabled. Ignoring IPv6ProxyNDPAddress=.", network->filename); | |
249 | network->ipv6_proxy_ndp_addresses = set_free_free(network->ipv6_proxy_ndp_addresses); | |
250 | } | |
251 | ||
13ffa39f YW |
252 | network_drop_invalid_addresses(network); |
253 | network_drop_invalid_routes(network); | |
254 | network_drop_invalid_nexthops(network); | |
255 | network_drop_invalid_fdb_entries(network); | |
256 | network_drop_invalid_mdb_entries(network); | |
257 | network_drop_invalid_neighbors(network); | |
258 | network_drop_invalid_address_labels(network); | |
259 | network_drop_invalid_prefixes(network); | |
260 | network_drop_invalid_route_prefixes(network); | |
261 | network_drop_invalid_routing_policy_rules(network); | |
262 | network_drop_invalid_traffic_control(network); | |
263 | network_drop_invalid_sr_iov(network); | |
518cd6b5 | 264 | |
0321cea7 YW |
265 | return 0; |
266 | } | |
267 | ||
7f06b3e1 | 268 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 269 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 270 | _cleanup_(network_unrefp) Network *network = NULL; |
f579559b | 271 | _cleanup_fclose_ FILE *file = NULL; |
047a0dac | 272 | const char *dropin_dirname; |
838b2f7a | 273 | char *d; |
f579559b TG |
274 | int r; |
275 | ||
bf1bc670 TA |
276 | assert(manager); |
277 | assert(filename); | |
278 | ||
f579559b TG |
279 | file = fopen(filename, "re"); |
280 | if (!file) { | |
281 | if (errno == ENOENT) | |
282 | return 0; | |
1e7a0e21 LP |
283 | |
284 | return -errno; | |
f579559b TG |
285 | } |
286 | ||
ed88bcfb ZJS |
287 | if (null_or_empty_fd(fileno(file))) { |
288 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
289 | return 0; |
290 | } | |
291 | ||
838b2f7a YW |
292 | fname = strdup(filename); |
293 | if (!fname) | |
294 | return log_oom(); | |
295 | ||
296 | name = strdup(basename(filename)); | |
297 | if (!name) | |
298 | return log_oom(); | |
299 | ||
300 | d = strrchr(name, '.'); | |
301 | if (!d) | |
302 | return -EINVAL; | |
303 | ||
304 | *d = '\0'; | |
305 | ||
306 | dropin_dirname = strjoina(name, ".network.d"); | |
307 | ||
17f9c355 | 308 | network = new(Network, 1); |
f579559b TG |
309 | if (!network) |
310 | return log_oom(); | |
311 | ||
17f9c355 | 312 | *network = (Network) { |
838b2f7a YW |
313 | .filename = TAKE_PTR(fname), |
314 | .name = TAKE_PTR(name), | |
17f9c355 | 315 | |
715d398e | 316 | .manager = manager, |
35ac3b76 YW |
317 | .n_ref = 1, |
318 | ||
17f9c355 | 319 | .required_for_online = true, |
75cd4a5d | 320 | .required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT, |
db5756f3 YW |
321 | .arp = -1, |
322 | .multicast = -1, | |
323 | .allmulticast = -1, | |
937e305e | 324 | .promiscuous = -1, |
db5756f3 YW |
325 | |
326 | .configure_without_carrier = false, | |
327 | .ignore_carrier_loss = -1, | |
328 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, | |
329 | ||
17f9c355 | 330 | .dhcp = ADDRESS_FAMILY_NO, |
db5756f3 | 331 | .duid.type = _DUID_TYPE_INVALID, |
7da377ef | 332 | .dhcp_critical = -1, |
17f9c355 | 333 | .dhcp_use_ntp = true, |
299d578f | 334 | .dhcp_use_sip = true, |
17f9c355 YW |
335 | .dhcp_use_dns = true, |
336 | .dhcp_use_hostname = true, | |
337 | .dhcp_use_routes = true, | |
589397a2 | 338 | .dhcp_use_gateway = -1, |
5238e957 | 339 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 | 340 | .dhcp_send_hostname = true, |
5f3b5f19 | 341 | .dhcp_send_release = true, |
17f9c355 YW |
342 | /* To enable/disable RFC7844 Anonymity Profiles */ |
343 | .dhcp_anonymize = false, | |
344 | .dhcp_route_metric = DHCP_ROUTE_METRIC, | |
c9c908a6 | 345 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 YW |
346 | .dhcp_client_identifier = DHCP_CLIENT_ID_DUID, |
347 | .dhcp_route_table = RT_TABLE_MAIN, | |
348 | .dhcp_route_table_set = false, | |
349 | /* NOTE: from man: UseMTU=... Defaults to false*/ | |
350 | .dhcp_use_mtu = false, | |
351 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ | |
352 | .dhcp_use_timezone = false, | |
db5756f3 | 353 | .dhcp_ip_service_type = -1, |
17f9c355 | 354 | |
1536b7b2 YW |
355 | .dhcp6_use_address = true, |
356 | .dhcp6_use_dns = true, | |
357 | .dhcp6_use_ntp = true, | |
db5756f3 | 358 | .dhcp6_rapid_commit = true, |
1bf1bfd9 | 359 | .dhcp6_route_metric = DHCP_ROUTE_METRIC, |
caa8ca42 | 360 | |
e502f94d | 361 | .dhcp6_pd = -1, |
4afd9867 | 362 | .dhcp6_pd_announce = true, |
99e015e2 | 363 | .dhcp6_pd_assign = true, |
fec1b650 | 364 | .dhcp6_pd_manage_temporary_address = true, |
4afd9867 | 365 | .dhcp6_pd_subnet_id = -1, |
9efa8a3c | 366 | |
2a71d57f LP |
367 | .dhcp_server_emit[SD_DHCP_LEASE_DNS].emit = true, |
368 | .dhcp_server_emit[SD_DHCP_LEASE_NTP].emit = true, | |
369 | .dhcp_server_emit[SD_DHCP_LEASE_SIP].emit = true, | |
370 | ||
17f9c355 YW |
371 | .dhcp_server_emit_router = true, |
372 | .dhcp_server_emit_timezone = true, | |
373 | ||
71a5db49 | 374 | .router_lifetime_usec = 30 * USEC_PER_MINUTE, |
17f9c355 YW |
375 | .router_emit_dns = true, |
376 | .router_emit_domains = true, | |
377 | ||
378 | .use_bpdu = -1, | |
379 | .hairpin = -1, | |
380 | .fast_leave = -1, | |
381 | .allow_port_to_be_root = -1, | |
382 | .unicast_flood = -1, | |
7f15b714 | 383 | .multicast_flood = -1, |
d3aa8b49 | 384 | .multicast_to_unicast = -1, |
7f15b714 TJ |
385 | .neighbor_suppression = -1, |
386 | .learning = -1, | |
1087623b SS |
387 | .bridge_proxy_arp = -1, |
388 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 389 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 390 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 YW |
391 | |
392 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, | |
393 | ||
7ece6f58 | 394 | .dns_default_route = -1, |
17f9c355 YW |
395 | .llmnr = RESOLVE_SUPPORT_YES, |
396 | .mdns = RESOLVE_SUPPORT_NO, | |
397 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
398 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
399 | ||
0321cea7 | 400 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 401 | .link_local = _ADDRESS_FAMILY_INVALID, |
6f6296b9 | 402 | .ipv6ll_address_gen_mode = _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID, |
17f9c355 | 403 | |
94d76d07 | 404 | .ipv4_accept_local = -1, |
17f9c355 YW |
405 | .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO, |
406 | .ipv6_accept_ra = -1, | |
407 | .ipv6_dad_transmits = -1, | |
408 | .ipv6_hop_limit = -1, | |
409 | .ipv6_proxy_ndp = -1, | |
17f9c355 | 410 | .proxy_arp = -1, |
db5756f3 | 411 | |
17f9c355 | 412 | .ipv6_accept_ra_use_dns = true, |
062c2eea SS |
413 | .ipv6_accept_ra_use_autonomous_prefix = true, |
414 | .ipv6_accept_ra_use_onlink_prefix = true, | |
17f9c355 | 415 | .ipv6_accept_ra_route_table = RT_TABLE_MAIN, |
d5fa3339 | 416 | .ipv6_accept_ra_route_table_set = false, |
cabe5711 | 417 | .ipv6_accept_ra_start_dhcp6_client = IPV6_ACCEPT_RA_START_DHCP6_CLIENT_YES, |
c423be28 CG |
418 | |
419 | .can_triple_sampling = -1, | |
77b67404 | 420 | .can_berr_reporting = -1, |
52aa38f1 | 421 | .can_termination = -1, |
f594b5fe CG |
422 | .can_listen_only = -1, |
423 | .can_fd_mode = -1, | |
424 | .can_non_iso = -1, | |
17f9c355 | 425 | }; |
f579559b | 426 | |
4f9ff96a LP |
427 | r = config_parse_many( |
428 | filename, NETWORK_DIRS, dropin_dirname, | |
429 | "Match\0" | |
430 | "Link\0" | |
518cd6b5 | 431 | "SR-IOV\0" |
4f9ff96a LP |
432 | "Network\0" |
433 | "Address\0" | |
434 | "Neighbor\0" | |
435 | "IPv6AddressLabel\0" | |
436 | "RoutingPolicyRule\0" | |
437 | "Route\0" | |
438 | "NextHop\0" | |
439 | "DHCP\0" /* compat */ | |
440 | "DHCPv4\0" | |
441 | "DHCPv6\0" | |
b209cff2 | 442 | "DHCPv6PrefixDelegation\0" |
4f9ff96a LP |
443 | "DHCPServer\0" |
444 | "IPv6AcceptRA\0" | |
445 | "IPv6NDPProxyAddress\0" | |
446 | "Bridge\0" | |
447 | "BridgeFDB\0" | |
3db468ea | 448 | "BridgeMDB\0" |
4f9ff96a | 449 | "BridgeVLAN\0" |
27ff0490 | 450 | "IPv6SendRA\0" |
4f9ff96a LP |
451 | "IPv6PrefixDelegation\0" |
452 | "IPv6Prefix\0" | |
453 | "IPv6RoutePrefix\0" | |
454 | "LLDP\0" | |
455 | "TrafficControlQueueingDiscipline\0" | |
456 | "CAN\0" | |
457 | "QDisc\0" | |
458 | "BFIFO\0" | |
459 | "CAKE\0" | |
460 | "ControlledDelay\0" | |
461 | "DeficitRoundRobinScheduler\0" | |
462 | "DeficitRoundRobinSchedulerClass\0" | |
d474aa51 | 463 | "EnhancedTransmissionSelection\0" |
4f9ff96a LP |
464 | "FairQueueing\0" |
465 | "FairQueueingControlledDelay\0" | |
8f6b6d70 | 466 | "FlowQueuePIE\0" |
4f9ff96a LP |
467 | "GenericRandomEarlyDetection\0" |
468 | "HeavyHitterFilter\0" | |
469 | "HierarchyTokenBucket\0" | |
470 | "HierarchyTokenBucketClass\0" | |
471 | "NetworkEmulator\0" | |
b12aaee5 SS |
472 | "PFIFO\0" |
473 | "PFIFOFast\0" | |
474 | "PFIFOHeadDrop\0" | |
4f9ff96a | 475 | "PIE\0" |
b12aaee5 | 476 | "QuickFairQueueing\0" |
4d7ddaf9 | 477 | "QuickFairQueueingClass\0" |
4f9ff96a LP |
478 | "StochasticFairBlue\0" |
479 | "StochasticFairnessQueueing\0" | |
480 | "TokenBucketFilter\0" | |
481 | "TrivialLinkEqualizer\0", | |
482 | config_item_perf_lookup, network_network_gperf_lookup, | |
483 | CONFIG_PARSE_WARN, | |
484 | network, | |
485 | &network->timestamp); | |
102bc043 | 486 | if (r < 0) |
f579559b | 487 | return r; |
f579559b | 488 | |
add8d07d | 489 | network_apply_anonymize_if_set(network); |
490 | ||
fa7cd711 YW |
491 | r = network_add_ipv4ll_route(network); |
492 | if (r < 0) | |
493 | log_warning_errno(r, "%s: Failed to add IPv4LL route, ignoring: %m", network->filename); | |
494 | ||
5d5003ab YW |
495 | r = network_add_default_route_on_device(network); |
496 | if (r < 0) | |
497 | log_warning_errno(r, "%s: Failed to add default route on device, ignoring: %m", | |
498 | network->filename); | |
499 | ||
7f06b3e1 YW |
500 | if (network_verify(network) < 0) |
501 | /* Ignore .network files that do not match the conditions. */ | |
502 | return 0; | |
503 | ||
504 | r = ordered_hashmap_ensure_allocated(networks, &string_hash_ops); | |
dbffab87 TG |
505 | if (r < 0) |
506 | return r; | |
507 | ||
7f06b3e1 | 508 | r = ordered_hashmap_put(*networks, network->name, network); |
dbffab87 TG |
509 | if (r < 0) |
510 | return r; | |
511 | ||
f579559b | 512 | network = NULL; |
f579559b TG |
513 | return 0; |
514 | } | |
515 | ||
7f06b3e1 | 516 | int network_load(Manager *manager, OrderedHashmap **networks) { |
477e73b5 ZJS |
517 | _cleanup_strv_free_ char **files = NULL; |
518 | char **f; | |
f579559b TG |
519 | int r; |
520 | ||
521 | assert(manager); | |
522 | ||
7f06b3e1 | 523 | ordered_hashmap_clear_with_destructor(*networks, network_unref); |
f579559b | 524 | |
dc0d4078 | 525 | r = conf_files_list_strv(&files, ".network", NULL, 0, NETWORK_DIRS); |
f647962d MS |
526 | if (r < 0) |
527 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b | 528 | |
715d398e | 529 | STRV_FOREACH(f, files) { |
7f06b3e1 | 530 | r = network_load_one(manager, networks, *f); |
f579559b | 531 | if (r < 0) |
be711082 | 532 | log_error_errno(r, "Failed to load %s, ignoring: %m", *f); |
f579559b TG |
533 | } |
534 | ||
f579559b TG |
535 | return 0; |
536 | } | |
537 | ||
7f06b3e1 YW |
538 | int network_reload(Manager *manager) { |
539 | OrderedHashmap *new_networks = NULL; | |
540 | Network *n, *old; | |
7f06b3e1 YW |
541 | int r; |
542 | ||
543 | assert(manager); | |
544 | ||
545 | r = network_load(manager, &new_networks); | |
546 | if (r < 0) | |
547 | goto failure; | |
548 | ||
90e74a66 | 549 | ORDERED_HASHMAP_FOREACH(n, new_networks) { |
7f06b3e1 YW |
550 | r = network_get_by_name(manager, n->name, &old); |
551 | if (r < 0) | |
552 | continue; /* The .network file is new. */ | |
553 | ||
554 | if (n->timestamp != old->timestamp) | |
555 | continue; /* The .network file is modified. */ | |
556 | ||
557 | if (!streq(n->filename, old->filename)) | |
558 | continue; | |
559 | ||
560 | r = ordered_hashmap_replace(new_networks, old->name, old); | |
561 | if (r < 0) | |
562 | goto failure; | |
563 | ||
564 | network_ref(old); | |
565 | network_unref(n); | |
566 | } | |
567 | ||
568 | ordered_hashmap_free_with_destructor(manager->networks, network_unref); | |
569 | manager->networks = new_networks; | |
570 | ||
571 | return 0; | |
572 | ||
573 | failure: | |
574 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
575 | ||
576 | return r; | |
577 | } | |
578 | ||
35ac3b76 | 579 | static Network *network_free(Network *network) { |
f579559b | 580 | if (!network) |
35ac3b76 | 581 | return NULL; |
f579559b TG |
582 | |
583 | free(network->filename); | |
584 | ||
5722fb89 | 585 | net_match_clear(&network->match); |
c4f58dea | 586 | condition_free_list(network->conditions); |
f579559b TG |
587 | |
588 | free(network->description); | |
edb85f0d | 589 | free(network->dhcp_vendor_class_identifier); |
7b8d23a9 | 590 | free(network->dhcp_mudurl); |
af1c0de0 | 591 | strv_free(network->dhcp_user_class); |
27cb34f5 | 592 | free(network->dhcp_hostname); |
6b000af4 | 593 | set_free(network->dhcp_deny_listed_ip); |
98ebef62 | 594 | set_free(network->dhcp_allow_listed_ip); |
5bc945be | 595 | set_free(network->dhcp_request_options); |
35f6a5cb | 596 | set_free(network->dhcp6_request_options); |
c106cc36 | 597 | free(network->mac); |
3175a8c2 | 598 | free(network->dhcp6_mudurl); |
f37f2a6b | 599 | strv_free(network->dhcp6_user_class); |
ed0d1b2e | 600 | strv_free(network->dhcp6_vendor_class); |
c106cc36 | 601 | |
b0e39c82 | 602 | strv_free(network->ntp); |
e77bd3fd YW |
603 | for (unsigned i = 0; i < network->n_dns; i++) |
604 | in_addr_full_free(network->dns[i]); | |
5512a963 | 605 | free(network->dns); |
5e276772 YW |
606 | ordered_set_free(network->search_domains); |
607 | ordered_set_free(network->route_domains); | |
0d4ad91d | 608 | strv_free(network->bind_carrier); |
cdd7812b | 609 | |
5e276772 | 610 | ordered_set_free(network->router_search_domains); |
cdd7812b | 611 | free(network->router_dns); |
75d26411 YW |
612 | set_free_free(network->ndisc_deny_listed_router); |
613 | set_free_free(network->ndisc_allow_listed_router); | |
6b000af4 | 614 | set_free_free(network->ndisc_deny_listed_prefix); |
de6b6ff8 | 615 | set_free_free(network->ndisc_allow_listed_prefix); |
16c89e64 | 616 | set_free_free(network->ndisc_deny_listed_route_prefix); |
de6b6ff8 | 617 | set_free_free(network->ndisc_allow_listed_route_prefix); |
3bef724f | 618 | |
cebe1257 YW |
619 | free(network->bridge_name); |
620 | free(network->bond_name); | |
621 | free(network->vrf_name); | |
622 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 623 | netdev_unref(network->bridge); |
47e2dc31 | 624 | netdev_unref(network->bond); |
6cb955c6 | 625 | netdev_unref(network->vrf); |
fa6f1e54 | 626 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 627 | |
d349f502 | 628 | set_free_free(network->ipv6_proxy_ndp_addresses); |
9cd9fc8f | 629 | ordered_hashmap_free_with_destructor(network->addresses_by_section, address_free); |
2a54a044 | 630 | hashmap_free_with_destructor(network->routes_by_section, route_free); |
b82663dd | 631 | hashmap_free_with_destructor(network->nexthops_by_section, nexthop_free); |
62ed9442 | 632 | hashmap_free_with_destructor(network->fdb_entries_by_section, fdb_entry_free); |
03c9738e | 633 | hashmap_free_with_destructor(network->mdb_entries_by_section, mdb_entry_free); |
b0ba6938 | 634 | hashmap_free_with_destructor(network->neighbors_by_section, neighbor_free); |
d6a2a0f9 | 635 | hashmap_free_with_destructor(network->address_labels_by_section, address_label_free); |
ecb0e85e YW |
636 | hashmap_free_with_destructor(network->prefixes_by_section, prefix_free); |
637 | hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free); | |
ca183bf8 | 638 | hashmap_free_with_destructor(network->rules_by_section, routing_policy_rule_free); |
518cd6b5 | 639 | ordered_hashmap_free_with_destructor(network->sr_iov_by_section, sr_iov_free); |
34658df2 | 640 | ordered_hashmap_free_with_destructor(network->tc_by_section, traffic_control_free); |
6ae115c1 | 641 | |
7f06b3e1 YW |
642 | if (network->manager && |
643 | network->manager->duids_requesting_uuid) | |
644 | set_remove(network->manager->duids_requesting_uuid, &network->duid); | |
dbffab87 TG |
645 | |
646 | free(network->name); | |
f579559b | 647 | |
8eb9058d | 648 | free(network->dhcp_server_timezone); |
2a71d57f LP |
649 | |
650 | for (sd_dhcp_lease_server_type t = 0; t < _SD_DHCP_LEASE_SERVER_TYPE_MAX; t++) | |
651 | free(network->dhcp_server_emit[t].addresses); | |
8eb9058d | 652 | |
8a516214 LP |
653 | set_free_free(network->dnssec_negative_trust_anchors); |
654 | ||
e9a8c550 SS |
655 | free(network->lldp_mud); |
656 | ||
0e96961d | 657 | ordered_hashmap_free(network->dhcp_client_send_options); |
7354900d | 658 | ordered_hashmap_free(network->dhcp_client_send_vendor_options); |
0e96961d | 659 | ordered_hashmap_free(network->dhcp_server_send_options); |
7354900d | 660 | ordered_hashmap_free(network->dhcp_server_send_vendor_options); |
2c621495 | 661 | ordered_set_free(network->ipv6_tokens); |
1c3ec1cd | 662 | ordered_hashmap_free(network->dhcp6_client_send_options); |
b4ccc5de | 663 | ordered_hashmap_free(network->dhcp6_client_send_vendor_options); |
cb29c156 | 664 | |
35ac3b76 | 665 | return mfree(network); |
f579559b TG |
666 | } |
667 | ||
35ac3b76 YW |
668 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
669 | ||
dbffab87 TG |
670 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
671 | Network *network; | |
672 | ||
673 | assert(manager); | |
674 | assert(name); | |
675 | assert(ret); | |
676 | ||
715d398e | 677 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
678 | if (!network) |
679 | return -ENOENT; | |
680 | ||
681 | *ret = network; | |
682 | ||
683 | return 0; | |
684 | } | |
685 | ||
ef62949a | 686 | int network_get(Manager *manager, unsigned short iftype, sd_device *device, |
c643bda5 YW |
687 | const char *ifname, char * const *alternative_names, const char *driver, |
688 | const struct ether_addr *mac, const struct ether_addr *permanent_mac, | |
78404d22 YW |
689 | enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, |
690 | Network **ret) { | |
51517f9e | 691 | Network *network; |
f579559b TG |
692 | |
693 | assert(manager); | |
f579559b | 694 | assert(ret); |
af3aa302 | 695 | |
90e74a66 | 696 | ORDERED_HASHMAP_FOREACH(network, manager->networks) |
5722fb89 | 697 | if (net_match_config(&network->match, device, mac, permanent_mac, driver, iftype, |
4bb7cc82 | 698 | ifname, alternative_names, wlan_iftype, ssid, bssid)) { |
5722fb89 | 699 | if (network->match.ifname && device) { |
ca6038b8 TG |
700 | const char *attr; |
701 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
702 | ||
51517f9e | 703 | if (sd_device_get_sysattr_value(device, "name_assign_type", &attr) >= 0) |
dc751688 | 704 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
705 | |
706 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
707 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
708 | ifname, network->filename); | |
32bc8adc | 709 | else |
a2fae7bb | 710 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 711 | } else |
a2fae7bb | 712 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 713 | |
f579559b TG |
714 | *ret = network; |
715 | return 0; | |
716 | } | |
f579559b TG |
717 | |
718 | *ret = NULL; | |
719 | ||
720 | return -ENOENT; | |
721 | } | |
722 | ||
7d342c03 | 723 | int network_apply(Network *network, Link *link) { |
c4a03a56 TG |
724 | assert(network); |
725 | assert(link); | |
726 | ||
c9c908a6 | 727 | link->network = network_ref(network); |
f579559b | 728 | |
5512a963 | 729 | if (network->n_dns > 0 || |
3df9bec5 | 730 | !strv_isempty(network->ntp) || |
5e2a51d5 ZJS |
731 | !ordered_set_isempty(network->search_domains) || |
732 | !ordered_set_isempty(network->route_domains)) | |
84de38c5 | 733 | link_dirty(link); |
3bef724f | 734 | |
f579559b TG |
735 | return 0; |
736 | } | |
02b59d57 | 737 | |
adfeee49 | 738 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 739 | Address *address; |
adfeee49 YW |
740 | Route *route; |
741 | FdbEntry *fdb; | |
3db468ea | 742 | MdbEntry *mdb; |
adfeee49 | 743 | Neighbor *neighbor; |
439689c6 SS |
744 | |
745 | assert(network); | |
746 | ||
9cd9fc8f | 747 | ORDERED_HASHMAP_FOREACH(address, network->addresses_by_section) |
439689c6 SS |
748 | if (address->family == AF_INET6) |
749 | return true; | |
adfeee49 | 750 | |
2a54a044 | 751 | HASHMAP_FOREACH(route, network->routes_by_section) |
adfeee49 YW |
752 | if (route->family == AF_INET6) |
753 | return true; | |
754 | ||
62ed9442 | 755 | HASHMAP_FOREACH(fdb, network->fdb_entries_by_section) |
adfeee49 YW |
756 | if (fdb->family == AF_INET6) |
757 | return true; | |
758 | ||
03c9738e | 759 | HASHMAP_FOREACH(mdb, network->mdb_entries_by_section) |
3db468ea DM |
760 | if (mdb->family == AF_INET6) |
761 | return true; | |
762 | ||
b0ba6938 | 763 | HASHMAP_FOREACH(neighbor, network->neighbors_by_section) |
adfeee49 YW |
764 | if (neighbor->family == AF_INET6) |
765 | return true; | |
766 | ||
d6a2a0f9 | 767 | if (!hashmap_isempty(network->address_labels_by_section)) |
adfeee49 YW |
768 | return true; |
769 | ||
ecb0e85e | 770 | if (!hashmap_isempty(network->prefixes_by_section)) |
adfeee49 | 771 | return true; |
d30081c2 YW |
772 | |
773 | if (!hashmap_isempty(network->route_prefixes_by_section)) | |
774 | return true; | |
439689c6 SS |
775 | |
776 | return false; | |
777 | } | |
778 | ||
cebe1257 | 779 | int config_parse_stacked_netdev(const char *unit, |
02b59d57 TG |
780 | const char *filename, |
781 | unsigned line, | |
782 | const char *section, | |
783 | unsigned section_line, | |
784 | const char *lvalue, | |
785 | int ltype, | |
786 | const char *rvalue, | |
787 | void *data, | |
788 | void *userdata) { | |
95dba435 YW |
789 | _cleanup_free_ char *name = NULL; |
790 | NetDevKind kind = ltype; | |
cebe1257 | 791 | Hashmap **h = data; |
02b59d57 TG |
792 | int r; |
793 | ||
794 | assert(filename); | |
795 | assert(lvalue); | |
796 | assert(rvalue); | |
797 | assert(data); | |
95dba435 YW |
798 | assert(IN_SET(kind, |
799 | NETDEV_KIND_VLAN, NETDEV_KIND_MACVLAN, NETDEV_KIND_MACVTAP, | |
69c317a0 | 800 | NETDEV_KIND_IPVLAN, NETDEV_KIND_IPVTAP, NETDEV_KIND_VXLAN, |
98d20a17 | 801 | NETDEV_KIND_L2TP, NETDEV_KIND_MACSEC, _NETDEV_KIND_TUNNEL, |
802 | NETDEV_KIND_XFRM)); | |
54abf461 | 803 | |
cebe1257 | 804 | if (!ifname_valid(rvalue)) { |
d96edb2c | 805 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3772cfde | 806 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
807 | return 0; |
808 | } | |
809 | ||
cebe1257 YW |
810 | name = strdup(rvalue); |
811 | if (!name) | |
812 | return log_oom(); | |
3e570042 | 813 | |
cebe1257 YW |
814 | r = hashmap_ensure_allocated(h, &string_hash_ops); |
815 | if (r < 0) | |
816 | return log_oom(); | |
326cb406 | 817 | |
cebe1257 | 818 | r = hashmap_put(*h, name, INT_TO_PTR(kind)); |
83ec4592 | 819 | if (r < 0) |
d96edb2c | 820 | log_syntax(unit, LOG_WARNING, filename, line, r, |
83ec4592 ZJS |
821 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
822 | else if (r == 0) | |
823 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
824 | "NetDev '%s' specified twice, ignoring.", name); | |
825 | else | |
826 | name = NULL; | |
47e2dc31 | 827 | |
fe6b2d55 TG |
828 | return 0; |
829 | } | |
7951dea2 | 830 | |
3df9bec5 LP |
831 | int config_parse_domains( |
832 | const char *unit, | |
833 | const char *filename, | |
834 | unsigned line, | |
835 | const char *section, | |
836 | unsigned section_line, | |
837 | const char *lvalue, | |
838 | int ltype, | |
839 | const char *rvalue, | |
840 | void *data, | |
841 | void *userdata) { | |
842 | ||
3df9bec5 | 843 | Network *n = data; |
6192b846 TG |
844 | int r; |
845 | ||
3df9bec5 LP |
846 | assert(n); |
847 | assert(lvalue); | |
848 | assert(rvalue); | |
6192b846 | 849 | |
3df9bec5 | 850 | if (isempty(rvalue)) { |
5e276772 YW |
851 | n->search_domains = ordered_set_free(n->search_domains); |
852 | n->route_domains = ordered_set_free(n->route_domains); | |
3df9bec5 LP |
853 | return 0; |
854 | } | |
67272d15 | 855 | |
d96edb2c | 856 | for (const char *p = rvalue;;) { |
3df9bec5 LP |
857 | _cleanup_free_ char *w = NULL, *normalized = NULL; |
858 | const char *domain; | |
859 | bool is_route; | |
860 | ||
861 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
862 | if (r == -ENOMEM) |
863 | return log_oom(); | |
3df9bec5 | 864 | if (r < 0) { |
d96edb2c | 865 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 866 | "Failed to extract search or route domain, ignoring: %s", rvalue); |
d96edb2c | 867 | return 0; |
3df9bec5 LP |
868 | } |
869 | if (r == 0) | |
d96edb2c | 870 | return 0; |
3df9bec5 LP |
871 | |
872 | is_route = w[0] == '~'; | |
873 | domain = is_route ? w + 1 : w; | |
874 | ||
875 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
876 | /* If the root domain appears as is, or the special token "*" is found, we'll |
877 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 878 | is_route = true; |
ab24039f ZJS |
879 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
880 | * domain as "." */ | |
3df9bec5 | 881 | } else { |
7470cc4c | 882 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 883 | if (r < 0) { |
d96edb2c | 884 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 885 | "'%s' is not a valid domain name, ignoring.", domain); |
3df9bec5 LP |
886 | continue; |
887 | } | |
888 | ||
889 | domain = normalized; | |
890 | ||
891 | if (is_localhost(domain)) { | |
d96edb2c | 892 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f ZJS |
893 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", |
894 | domain); | |
37de2509 | 895 | continue; |
3df9bec5 | 896 | } |
37de2509 | 897 | } |
40274ed6 | 898 | |
5e2a51d5 | 899 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
5e276772 | 900 | r = ordered_set_ensure_allocated(set, &string_hash_ops_free); |
5e2a51d5 | 901 | if (r < 0) |
d96edb2c | 902 | return log_oom(); |
5e2a51d5 ZJS |
903 | |
904 | r = ordered_set_put_strdup(*set, domain); | |
09451975 LP |
905 | if (r < 0) |
906 | return log_oom(); | |
40274ed6 | 907 | } |
6192b846 TG |
908 | } |
909 | ||
1ac608c9 LP |
910 | int config_parse_hostname( |
911 | const char *unit, | |
912 | const char *filename, | |
913 | unsigned line, | |
914 | const char *section, | |
915 | unsigned section_line, | |
916 | const char *lvalue, | |
917 | int ltype, | |
918 | const char *rvalue, | |
919 | void *data, | |
920 | void *userdata) { | |
921 | ||
6528693a YW |
922 | _cleanup_free_ char *hn = NULL; |
923 | char **hostname = data; | |
a7d0ef44 SS |
924 | int r; |
925 | ||
926 | assert(filename); | |
927 | assert(lvalue); | |
928 | assert(rvalue); | |
929 | ||
1ac608c9 | 930 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
931 | if (r < 0) |
932 | return r; | |
933 | ||
52ef5dd7 | 934 | if (!hostname_is_valid(hn, 0)) { |
d96edb2c | 935 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 936 | "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
937 | return 0; |
938 | } | |
939 | ||
6528693a YW |
940 | r = dns_name_is_valid(hn); |
941 | if (r < 0) { | |
d96edb2c | 942 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 943 | "Failed to check validity of hostname '%s', ignoring assignment: %m", rvalue); |
6528693a YW |
944 | return 0; |
945 | } | |
946 | if (r == 0) { | |
d96edb2c | 947 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 948 | "Hostname is not a valid DNS domain name, ignoring assignment: %s", rvalue); |
6528693a YW |
949 | return 0; |
950 | } | |
951 | ||
952 | return free_and_replace(*hostname, hn); | |
a7d0ef44 | 953 | } |
8eb9058d LP |
954 | |
955 | int config_parse_timezone( | |
956 | const char *unit, | |
957 | const char *filename, | |
958 | unsigned line, | |
959 | const char *section, | |
960 | unsigned section_line, | |
961 | const char *lvalue, | |
962 | int ltype, | |
963 | const char *rvalue, | |
964 | void *data, | |
965 | void *userdata) { | |
966 | ||
19f9e4e2 YW |
967 | _cleanup_free_ char *tz = NULL; |
968 | char **datap = data; | |
8eb9058d LP |
969 | int r; |
970 | ||
971 | assert(filename); | |
972 | assert(lvalue); | |
973 | assert(rvalue); | |
974 | ||
975 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
976 | if (r < 0) | |
977 | return r; | |
978 | ||
d96edb2c YW |
979 | if (!timezone_is_valid(tz, LOG_WARNING)) { |
980 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
ab24039f | 981 | "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
982 | return 0; |
983 | } | |
984 | ||
19f9e4e2 | 985 | return free_and_replace(*datap, tz); |
8eb9058d | 986 | } |
1a04db0f | 987 | |
53253824 SS |
988 | int config_parse_dns( |
989 | const char *unit, | |
990 | const char *filename, | |
991 | unsigned line, | |
992 | const char *section, | |
993 | unsigned section_line, | |
994 | const char *lvalue, | |
995 | int ltype, | |
996 | const char *rvalue, | |
997 | void *data, | |
998 | void *userdata) { | |
999 | ||
1000 | Network *n = userdata; | |
1001 | int r; | |
1002 | ||
1003 | assert(filename); | |
1004 | assert(lvalue); | |
1005 | assert(rvalue); | |
1006 | ||
d96edb2c | 1007 | if (isempty(rvalue)) { |
e77bd3fd YW |
1008 | for (unsigned i = 0; i < n->n_dns; i++) |
1009 | in_addr_full_free(n->dns[i]); | |
d96edb2c YW |
1010 | n->dns = mfree(n->dns); |
1011 | n->n_dns = 0; | |
1012 | return 0; | |
1013 | } | |
1014 | ||
1015 | for (const char *p = rvalue;;) { | |
e77bd3fd | 1016 | _cleanup_(in_addr_full_freep) struct in_addr_full *dns = NULL; |
53253824 | 1017 | _cleanup_free_ char *w = NULL; |
e77bd3fd | 1018 | struct in_addr_full **m; |
53253824 | 1019 | |
d96edb2c | 1020 | r = extract_first_word(&p, &w, NULL, 0); |
53253824 SS |
1021 | if (r == -ENOMEM) |
1022 | return log_oom(); | |
1023 | if (r < 0) { | |
d96edb2c | 1024 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1025 | "Invalid syntax, ignoring: %s", rvalue); |
d96edb2c | 1026 | return 0; |
53253824 | 1027 | } |
5512a963 | 1028 | if (r == 0) |
d96edb2c | 1029 | return 0; |
53253824 | 1030 | |
e77bd3fd | 1031 | r = in_addr_full_new_from_string(w, &dns); |
53253824 | 1032 | if (r < 0) { |
d96edb2c | 1033 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1034 | "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1035 | continue; |
1036 | } | |
1037 | ||
e77bd3fd YW |
1038 | if (IN_SET(dns->port, 53, 853)) |
1039 | dns->port = 0; | |
1040 | ||
1041 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_full*)); | |
5512a963 | 1042 | if (!m) |
53253824 SS |
1043 | return log_oom(); |
1044 | ||
e77bd3fd | 1045 | m[n->n_dns++] = TAKE_PTR(dns); |
5512a963 | 1046 | n->dns = m; |
53253824 | 1047 | } |
53253824 SS |
1048 | } |
1049 | ||
8a516214 LP |
1050 | int config_parse_dnssec_negative_trust_anchors( |
1051 | const char *unit, | |
1052 | const char *filename, | |
1053 | unsigned line, | |
1054 | const char *section, | |
1055 | unsigned section_line, | |
1056 | const char *lvalue, | |
1057 | int ltype, | |
1058 | const char *rvalue, | |
1059 | void *data, | |
1060 | void *userdata) { | |
1061 | ||
8a516214 LP |
1062 | Network *n = data; |
1063 | int r; | |
1064 | ||
3df9bec5 | 1065 | assert(n); |
8a516214 LP |
1066 | assert(lvalue); |
1067 | assert(rvalue); | |
1068 | ||
1069 | if (isempty(rvalue)) { | |
1070 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1071 | return 0; | |
1072 | } | |
1073 | ||
d96edb2c | 1074 | for (const char *p = rvalue;;) { |
8a516214 LP |
1075 | _cleanup_free_ char *w = NULL; |
1076 | ||
1077 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
1078 | if (r == -ENOMEM) |
1079 | return log_oom(); | |
8a516214 | 1080 | if (r < 0) { |
d96edb2c | 1081 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1082 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); |
d96edb2c | 1083 | return 0; |
8a516214 LP |
1084 | } |
1085 | if (r == 0) | |
d96edb2c | 1086 | return 0; |
8a516214 LP |
1087 | |
1088 | r = dns_name_is_valid(w); | |
1089 | if (r <= 0) { | |
d96edb2c | 1090 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1091 | "%s is not a valid domain name, ignoring.", w); |
8a516214 LP |
1092 | continue; |
1093 | } | |
1094 | ||
35e601d4 | 1095 | r = set_ensure_consume(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops, TAKE_PTR(w)); |
8a516214 LP |
1096 | if (r < 0) |
1097 | return log_oom(); | |
8a516214 | 1098 | } |
8a516214 | 1099 | } |
b2a81c0b | 1100 | |
26575990 LP |
1101 | int config_parse_ntp( |
1102 | const char *unit, | |
1103 | const char *filename, | |
1104 | unsigned line, | |
1105 | const char *section, | |
1106 | unsigned section_line, | |
1107 | const char *lvalue, | |
1108 | int ltype, | |
1109 | const char *rvalue, | |
1110 | void *data, | |
1111 | void *userdata) { | |
1112 | ||
1113 | char ***l = data; | |
1114 | int r; | |
1115 | ||
1116 | assert(l); | |
1117 | assert(lvalue); | |
1118 | assert(rvalue); | |
1119 | ||
1120 | if (isempty(rvalue)) { | |
1121 | *l = strv_free(*l); | |
1122 | return 0; | |
1123 | } | |
1124 | ||
d96edb2c | 1125 | for (const char *p = rvalue;;) { |
26575990 LP |
1126 | _cleanup_free_ char *w = NULL; |
1127 | ||
d96edb2c | 1128 | r = extract_first_word(&p, &w, NULL, 0); |
26575990 LP |
1129 | if (r == -ENOMEM) |
1130 | return log_oom(); | |
1131 | if (r < 0) { | |
d96edb2c | 1132 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1133 | "Failed to extract NTP server name, ignoring: %s", rvalue); |
d96edb2c | 1134 | return 0; |
26575990 LP |
1135 | } |
1136 | if (r == 0) | |
d96edb2c | 1137 | return 0; |
26575990 LP |
1138 | |
1139 | r = dns_name_is_valid_or_address(w); | |
1140 | if (r <= 0) { | |
d96edb2c | 1141 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1142 | "%s is not a valid domain name or IP address, ignoring.", w); |
26575990 | 1143 | continue; |
af1c0de0 SS |
1144 | } |
1145 | ||
c448459d ZJS |
1146 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1147 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1148 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1149 | MAX_NTP_SERVERS, w); | |
d96edb2c | 1150 | return 0; |
c448459d ZJS |
1151 | } |
1152 | ||
1153 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1154 | if (r < 0) |
1155 | return log_oom(); | |
af1c0de0 | 1156 | } |
af1c0de0 SS |
1157 | } |
1158 | ||
4ac77d63 YW |
1159 | int config_parse_required_for_online( |
1160 | const char *unit, | |
1161 | const char *filename, | |
1162 | unsigned line, | |
1163 | const char *section, | |
1164 | unsigned section_line, | |
1165 | const char *lvalue, | |
1166 | int ltype, | |
1167 | const char *rvalue, | |
1168 | void *data, | |
1169 | void *userdata) { | |
1170 | ||
1171 | Network *network = data; | |
75cd4a5d | 1172 | LinkOperationalStateRange range; |
4ac77d63 YW |
1173 | bool required = true; |
1174 | int r; | |
1175 | ||
1176 | if (isempty(rvalue)) { | |
1177 | network->required_for_online = true; | |
75cd4a5d | 1178 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1179 | return 0; |
1180 | } | |
1181 | ||
75cd4a5d DDM |
1182 | r = parse_operational_state_range(rvalue, &range); |
1183 | if (r < 0) { | |
4ac77d63 YW |
1184 | r = parse_boolean(rvalue); |
1185 | if (r < 0) { | |
d96edb2c | 1186 | log_syntax(unit, LOG_WARNING, filename, line, r, |
4ac77d63 YW |
1187 | "Failed to parse %s= setting, ignoring assignment: %s", |
1188 | lvalue, rvalue); | |
1189 | return 0; | |
1190 | } | |
1191 | ||
1192 | required = r; | |
75cd4a5d | 1193 | range = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1194 | } |
1195 | ||
1196 | network->required_for_online = required; | |
75cd4a5d | 1197 | network->required_operstate_for_online = range; |
4ac77d63 YW |
1198 | |
1199 | return 0; | |
1200 | } | |
7da377ef | 1201 | |
0a9fb9ba SS |
1202 | int config_parse_rx_tx_queues( |
1203 | const char *unit, | |
1204 | const char *filename, | |
1205 | unsigned line, | |
1206 | const char *section, | |
1207 | unsigned section_line, | |
1208 | const char *lvalue, | |
1209 | int ltype, | |
1210 | const char *rvalue, | |
1211 | void *data, | |
1212 | void *userdata) { | |
1213 | ||
1214 | uint32_t k, *v = data; | |
1215 | int r; | |
1216 | ||
1217 | if (isempty(rvalue)) { | |
1218 | *v = 0; | |
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | r = safe_atou32(rvalue, &k); | |
1223 | if (r < 0) { | |
1224 | log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse %s=, ignoring assignment: %s.", lvalue, rvalue); | |
1225 | return 0; | |
1226 | } | |
f7d0ea5b | 1227 | if (k == 0 || k > 4096) { |
0a9fb9ba SS |
1228 | log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid %s=, ignoring assignment: %s.", lvalue, rvalue); |
1229 | return 0; | |
1230 | } | |
1231 | ||
1232 | *v = k; | |
1233 | return 0; | |
1234 | } | |
1235 | ||
7da377ef SS |
1236 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, |
1237 | "Failed to parse KeepConfiguration= setting"); | |
1238 | ||
1239 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1240 | [KEEP_CONFIGURATION_NO] = "no", |
1241 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1242 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1243 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1244 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1245 | }; |
1246 | ||
1247 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); | |
6f6296b9 YW |
1248 | |
1249 | static const char* const ipv6_link_local_address_gen_mode_table[_IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX] = { | |
1250 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64] = "eui64", | |
1251 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE] = "none", | |
1252 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY] = "stable-privacy", | |
1253 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_RANDOM] = "random", | |
1254 | }; | |
1255 | ||
1256 | DEFINE_STRING_TABLE_LOOKUP(ipv6_link_local_address_gen_mode, IPv6LinkLocalAddressGenMode); | |
1257 | DEFINE_CONFIG_PARSE_ENUM(config_parse_ipv6_link_local_address_gen_mode, ipv6_link_local_address_gen_mode, IPv6LinkLocalAddressGenMode, "Failed to parse IPv6 link local address generation mode"); |