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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" |
564ca984 | 15 | #include "networkd-dhcp-server.h" |
fc2f9534 | 16 | #include "network-internal.h" |
fb486c90 | 17 | #include "networkd-address-label.h" |
093e3533 | 18 | #include "networkd-address.h" |
22d37e5d | 19 | #include "networkd-dhcp-common.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 | ||
4bb7cc82 YW |
164 | if (set_isempty(network->match_mac) && set_isempty(network->match_permanent_mac) && |
165 | strv_isempty(network->match_path) && strv_isempty(network->match_driver) && | |
166 | strv_isempty(network->match_type) && strv_isempty(network->match_name) && | |
25c86e4c DDM |
167 | strv_isempty(network->match_property) && strv_isempty(network->match_wlan_iftype) && |
168 | strv_isempty(network->match_ssid) && !network->conditions) | |
dade7349 ZJS |
169 | return log_warning_errno(SYNTHETIC_ERRNO(EINVAL), |
170 | "%s: No valid settings found in the [Match] section, ignoring file. " | |
171 | "To match all interfaces, add Name=* in the [Match] section.", | |
172 | network->filename); | |
84ea567e | 173 | |
cebe1257 | 174 | /* skip out early if configuration does not match the environment */ |
a0b191b7 | 175 | if (!condition_test_list(network->conditions, environ, NULL, NULL, NULL)) |
cebe1257 | 176 | return log_debug_errno(SYNTHETIC_ERRNO(EINVAL), |
3772cfde ZJS |
177 | "%s: Conditions in the file do not match the system environment, skipping.", |
178 | network->filename); | |
cebe1257 YW |
179 | |
180 | (void) network_resolve_netdev_one(network, network->bond_name, NETDEV_KIND_BOND, &network->bond); | |
181 | (void) network_resolve_netdev_one(network, network->bridge_name, NETDEV_KIND_BRIDGE, &network->bridge); | |
182 | (void) network_resolve_netdev_one(network, network->vrf_name, NETDEV_KIND_VRF, &network->vrf); | |
183 | (void) network_resolve_stacked_netdevs(network); | |
184 | ||
185 | /* Free unnecessary entries. */ | |
186 | network->bond_name = mfree(network->bond_name); | |
187 | network->bridge_name = mfree(network->bridge_name); | |
188 | network->vrf_name = mfree(network->vrf_name); | |
189 | network->stacked_netdev_names = hashmap_free_free_key(network->stacked_netdev_names); | |
190 | ||
0321cea7 YW |
191 | if (network->bond) { |
192 | /* Bonding slave does not support addressing. */ | |
0321cea7 | 193 | if (network->link_local >= 0 && network->link_local != ADDRESS_FAMILY_NO) { |
ab24039f ZJS |
194 | log_warning("%s: Cannot enable LinkLocalAddressing= when Bond= is specified, disabling LinkLocalAddressing=.", |
195 | network->filename); | |
0321cea7 YW |
196 | network->link_local = ADDRESS_FAMILY_NO; |
197 | } | |
0321cea7 | 198 | if (network->dhcp_server) { |
ab24039f ZJS |
199 | log_warning("%s: Cannot enable DHCPServer= when Bond= is specified, disabling DHCPServer=.", |
200 | network->filename); | |
0321cea7 YW |
201 | network->dhcp_server = false; |
202 | } | |
9cd9fc8f | 203 | if (!ordered_hashmap_isempty(network->addresses_by_section)) |
ab24039f ZJS |
204 | log_warning("%s: Cannot set addresses when Bond= is specified, ignoring addresses.", |
205 | network->filename); | |
2a54a044 | 206 | if (!hashmap_isempty(network->routes_by_section)) |
ab24039f ZJS |
207 | log_warning("%s: Cannot set routes when Bond= is specified, ignoring routes.", |
208 | network->filename); | |
9cd9fc8f YW |
209 | |
210 | network->addresses_by_section = ordered_hashmap_free_with_destructor(network->addresses_by_section, address_free); | |
2a54a044 | 211 | network->routes_by_section = hashmap_free_with_destructor(network->routes_by_section, route_free); |
0321cea7 YW |
212 | } |
213 | ||
214 | if (network->link_local < 0) | |
8f191801 YW |
215 | network->link_local = network->bridge ? ADDRESS_FAMILY_NO : ADDRESS_FAMILY_IPV6; |
216 | ||
29e81083 YW |
217 | if (FLAGS_SET(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4) && |
218 | !FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV4)) { | |
219 | log_warning("%s: fallback assignment of IPv4 link local address is enabled but DHCPv4 is disabled. " | |
220 | "Disabling the fallback assignment.", network->filename); | |
221 | SET_FLAG(network->link_local, ADDRESS_FAMILY_FALLBACK_IPV4, false); | |
222 | } | |
223 | ||
0321cea7 YW |
224 | /* IPMasquerade=yes implies IPForward=yes */ |
225 | if (network->ip_masquerade) | |
226 | network->ip_forward |= ADDRESS_FAMILY_IPV4; | |
227 | ||
3773eb54 | 228 | network_adjust_ipv6_accept_ra(network); |
22d37e5d | 229 | network_adjust_dhcp(network); |
69e0f833 | 230 | network_adjust_radv(network); |
3773eb54 | 231 | |
933c70a0 | 232 | if (network->mtu > 0 && network->dhcp_use_mtu) { |
0321cea7 YW |
233 | log_warning("%s: MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set. " |
234 | "Disabling UseMTU=.", network->filename); | |
235 | network->dhcp_use_mtu = false; | |
236 | } | |
237 | ||
589397a2 DS |
238 | if (network->dhcp_use_gateway < 0) |
239 | network->dhcp_use_gateway = network->dhcp_use_routes; | |
240 | ||
bd0d471c DS |
241 | if (network->ignore_carrier_loss < 0) |
242 | network->ignore_carrier_loss = network->configure_without_carrier; | |
243 | ||
7da377ef SS |
244 | if (network->dhcp_critical >= 0) { |
245 | if (network->keep_configuration >= 0) | |
246 | log_warning("%s: Both KeepConfiguration= and deprecated CriticalConnection= are set. " | |
247 | "Ignoring CriticalConnection=.", network->filename); | |
248 | else if (network->dhcp_critical) | |
249 | /* CriticalConnection=yes also preserve foreign static configurations. */ | |
250 | network->keep_configuration = KEEP_CONFIGURATION_YES; | |
251 | else | |
80060352 | 252 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef SS |
253 | } |
254 | ||
255 | if (network->keep_configuration < 0) | |
80060352 | 256 | network->keep_configuration = KEEP_CONFIGURATION_NO; |
7da377ef | 257 | |
87851e0f YW |
258 | if (network->ipv6_proxy_ndp == 0 && !set_isempty(network->ipv6_proxy_ndp_addresses)) { |
259 | log_warning("%s: IPv6ProxyNDP= is disabled. Ignoring IPv6ProxyNDPAddress=.", network->filename); | |
260 | network->ipv6_proxy_ndp_addresses = set_free_free(network->ipv6_proxy_ndp_addresses); | |
261 | } | |
262 | ||
13ffa39f YW |
263 | network_drop_invalid_addresses(network); |
264 | network_drop_invalid_routes(network); | |
265 | network_drop_invalid_nexthops(network); | |
266 | network_drop_invalid_fdb_entries(network); | |
267 | network_drop_invalid_mdb_entries(network); | |
268 | network_drop_invalid_neighbors(network); | |
269 | network_drop_invalid_address_labels(network); | |
270 | network_drop_invalid_prefixes(network); | |
271 | network_drop_invalid_route_prefixes(network); | |
272 | network_drop_invalid_routing_policy_rules(network); | |
273 | network_drop_invalid_traffic_control(network); | |
274 | network_drop_invalid_sr_iov(network); | |
518cd6b5 | 275 | |
0321cea7 YW |
276 | return 0; |
277 | } | |
278 | ||
7f06b3e1 | 279 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename) { |
838b2f7a | 280 | _cleanup_free_ char *fname = NULL, *name = NULL; |
35ac3b76 | 281 | _cleanup_(network_unrefp) Network *network = NULL; |
f579559b | 282 | _cleanup_fclose_ FILE *file = NULL; |
047a0dac | 283 | const char *dropin_dirname; |
838b2f7a | 284 | char *d; |
f579559b TG |
285 | int r; |
286 | ||
bf1bc670 TA |
287 | assert(manager); |
288 | assert(filename); | |
289 | ||
f579559b TG |
290 | file = fopen(filename, "re"); |
291 | if (!file) { | |
292 | if (errno == ENOENT) | |
293 | return 0; | |
1e7a0e21 LP |
294 | |
295 | return -errno; | |
f579559b TG |
296 | } |
297 | ||
ed88bcfb ZJS |
298 | if (null_or_empty_fd(fileno(file))) { |
299 | log_debug("Skipping empty file: %s", filename); | |
6916ec29 TG |
300 | return 0; |
301 | } | |
302 | ||
838b2f7a YW |
303 | fname = strdup(filename); |
304 | if (!fname) | |
305 | return log_oom(); | |
306 | ||
307 | name = strdup(basename(filename)); | |
308 | if (!name) | |
309 | return log_oom(); | |
310 | ||
311 | d = strrchr(name, '.'); | |
312 | if (!d) | |
313 | return -EINVAL; | |
314 | ||
315 | *d = '\0'; | |
316 | ||
317 | dropin_dirname = strjoina(name, ".network.d"); | |
318 | ||
17f9c355 | 319 | network = new(Network, 1); |
f579559b TG |
320 | if (!network) |
321 | return log_oom(); | |
322 | ||
17f9c355 | 323 | *network = (Network) { |
838b2f7a YW |
324 | .filename = TAKE_PTR(fname), |
325 | .name = TAKE_PTR(name), | |
17f9c355 | 326 | |
715d398e | 327 | .manager = manager, |
35ac3b76 YW |
328 | .n_ref = 1, |
329 | ||
17f9c355 | 330 | .required_for_online = true, |
75cd4a5d | 331 | .required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT, |
db5756f3 YW |
332 | .arp = -1, |
333 | .multicast = -1, | |
334 | .allmulticast = -1, | |
335 | ||
336 | .configure_without_carrier = false, | |
337 | .ignore_carrier_loss = -1, | |
338 | .keep_configuration = _KEEP_CONFIGURATION_INVALID, | |
339 | ||
17f9c355 | 340 | .dhcp = ADDRESS_FAMILY_NO, |
db5756f3 | 341 | .duid.type = _DUID_TYPE_INVALID, |
7da377ef | 342 | .dhcp_critical = -1, |
17f9c355 | 343 | .dhcp_use_ntp = true, |
299d578f | 344 | .dhcp_use_sip = true, |
17f9c355 YW |
345 | .dhcp_use_dns = true, |
346 | .dhcp_use_hostname = true, | |
347 | .dhcp_use_routes = true, | |
589397a2 | 348 | .dhcp_use_gateway = -1, |
5238e957 | 349 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 | 350 | .dhcp_send_hostname = true, |
5f3b5f19 | 351 | .dhcp_send_release = true, |
17f9c355 YW |
352 | /* To enable/disable RFC7844 Anonymity Profiles */ |
353 | .dhcp_anonymize = false, | |
354 | .dhcp_route_metric = DHCP_ROUTE_METRIC, | |
c9c908a6 | 355 | /* NOTE: this var might be overwritten by network_apply_anonymize_if_set */ |
17f9c355 YW |
356 | .dhcp_client_identifier = DHCP_CLIENT_ID_DUID, |
357 | .dhcp_route_table = RT_TABLE_MAIN, | |
358 | .dhcp_route_table_set = false, | |
359 | /* NOTE: from man: UseMTU=... Defaults to false*/ | |
360 | .dhcp_use_mtu = false, | |
361 | /* NOTE: from man: UseTimezone=... Defaults to "no".*/ | |
362 | .dhcp_use_timezone = false, | |
db5756f3 | 363 | .dhcp_ip_service_type = -1, |
17f9c355 | 364 | |
db5756f3 | 365 | .dhcp6_rapid_commit = true, |
1bf1bfd9 | 366 | .dhcp6_route_metric = DHCP_ROUTE_METRIC, |
caa8ca42 SS |
367 | .dhcp6_use_ntp = true, |
368 | .dhcp6_use_dns = true, | |
369 | ||
e502f94d | 370 | .dhcp6_pd = -1, |
4afd9867 | 371 | .dhcp6_pd_announce = true, |
99e015e2 | 372 | .dhcp6_pd_assign = true, |
4afd9867 | 373 | .dhcp6_pd_subnet_id = -1, |
9efa8a3c | 374 | |
2a71d57f LP |
375 | .dhcp_server_emit[SD_DHCP_LEASE_DNS].emit = true, |
376 | .dhcp_server_emit[SD_DHCP_LEASE_NTP].emit = true, | |
377 | .dhcp_server_emit[SD_DHCP_LEASE_SIP].emit = true, | |
378 | ||
17f9c355 YW |
379 | .dhcp_server_emit_router = true, |
380 | .dhcp_server_emit_timezone = true, | |
381 | ||
71a5db49 | 382 | .router_lifetime_usec = 30 * USEC_PER_MINUTE, |
17f9c355 YW |
383 | .router_emit_dns = true, |
384 | .router_emit_domains = true, | |
385 | ||
386 | .use_bpdu = -1, | |
387 | .hairpin = -1, | |
388 | .fast_leave = -1, | |
389 | .allow_port_to_be_root = -1, | |
390 | .unicast_flood = -1, | |
7f15b714 | 391 | .multicast_flood = -1, |
d3aa8b49 | 392 | .multicast_to_unicast = -1, |
7f15b714 TJ |
393 | .neighbor_suppression = -1, |
394 | .learning = -1, | |
1087623b SS |
395 | .bridge_proxy_arp = -1, |
396 | .bridge_proxy_arp_wifi = -1, | |
17f9c355 | 397 | .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID, |
0fadb2a4 | 398 | .multicast_router = _MULTICAST_ROUTER_INVALID, |
17f9c355 YW |
399 | |
400 | .lldp_mode = LLDP_MODE_ROUTERS_ONLY, | |
401 | ||
7ece6f58 | 402 | .dns_default_route = -1, |
17f9c355 YW |
403 | .llmnr = RESOLVE_SUPPORT_YES, |
404 | .mdns = RESOLVE_SUPPORT_NO, | |
405 | .dnssec_mode = _DNSSEC_MODE_INVALID, | |
406 | .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID, | |
407 | ||
0321cea7 | 408 | /* If LinkLocalAddressing= is not set, then set to ADDRESS_FAMILY_IPV6 later. */ |
2d792895 | 409 | .link_local = _ADDRESS_FAMILY_INVALID, |
6f6296b9 | 410 | .ipv6ll_address_gen_mode = _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID, |
17f9c355 | 411 | |
94d76d07 | 412 | .ipv4_accept_local = -1, |
17f9c355 YW |
413 | .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO, |
414 | .ipv6_accept_ra = -1, | |
415 | .ipv6_dad_transmits = -1, | |
416 | .ipv6_hop_limit = -1, | |
417 | .ipv6_proxy_ndp = -1, | |
17f9c355 | 418 | .proxy_arp = -1, |
db5756f3 | 419 | |
17f9c355 | 420 | .ipv6_accept_ra_use_dns = true, |
062c2eea SS |
421 | .ipv6_accept_ra_use_autonomous_prefix = true, |
422 | .ipv6_accept_ra_use_onlink_prefix = true, | |
17f9c355 | 423 | .ipv6_accept_ra_route_table = RT_TABLE_MAIN, |
d5fa3339 | 424 | .ipv6_accept_ra_route_table_set = false, |
d739fdde | 425 | .ipv6_accept_ra_start_dhcp6_client = true, |
c423be28 CG |
426 | |
427 | .can_triple_sampling = -1, | |
52aa38f1 | 428 | .can_termination = -1, |
f594b5fe CG |
429 | .can_listen_only = -1, |
430 | .can_fd_mode = -1, | |
431 | .can_non_iso = -1, | |
17f9c355 | 432 | }; |
f579559b | 433 | |
4f9ff96a LP |
434 | r = config_parse_many( |
435 | filename, NETWORK_DIRS, dropin_dirname, | |
436 | "Match\0" | |
437 | "Link\0" | |
518cd6b5 | 438 | "SR-IOV\0" |
4f9ff96a LP |
439 | "Network\0" |
440 | "Address\0" | |
441 | "Neighbor\0" | |
442 | "IPv6AddressLabel\0" | |
443 | "RoutingPolicyRule\0" | |
444 | "Route\0" | |
445 | "NextHop\0" | |
446 | "DHCP\0" /* compat */ | |
447 | "DHCPv4\0" | |
448 | "DHCPv6\0" | |
b209cff2 | 449 | "DHCPv6PrefixDelegation\0" |
4f9ff96a LP |
450 | "DHCPServer\0" |
451 | "IPv6AcceptRA\0" | |
452 | "IPv6NDPProxyAddress\0" | |
453 | "Bridge\0" | |
454 | "BridgeFDB\0" | |
3db468ea | 455 | "BridgeMDB\0" |
4f9ff96a | 456 | "BridgeVLAN\0" |
27ff0490 | 457 | "IPv6SendRA\0" |
4f9ff96a LP |
458 | "IPv6PrefixDelegation\0" |
459 | "IPv6Prefix\0" | |
460 | "IPv6RoutePrefix\0" | |
461 | "LLDP\0" | |
462 | "TrafficControlQueueingDiscipline\0" | |
463 | "CAN\0" | |
464 | "QDisc\0" | |
465 | "BFIFO\0" | |
466 | "CAKE\0" | |
467 | "ControlledDelay\0" | |
468 | "DeficitRoundRobinScheduler\0" | |
469 | "DeficitRoundRobinSchedulerClass\0" | |
d474aa51 | 470 | "EnhancedTransmissionSelection\0" |
4f9ff96a LP |
471 | "FairQueueing\0" |
472 | "FairQueueingControlledDelay\0" | |
8f6b6d70 | 473 | "FlowQueuePIE\0" |
4f9ff96a LP |
474 | "GenericRandomEarlyDetection\0" |
475 | "HeavyHitterFilter\0" | |
476 | "HierarchyTokenBucket\0" | |
477 | "HierarchyTokenBucketClass\0" | |
478 | "NetworkEmulator\0" | |
b12aaee5 SS |
479 | "PFIFO\0" |
480 | "PFIFOFast\0" | |
481 | "PFIFOHeadDrop\0" | |
4f9ff96a | 482 | "PIE\0" |
b12aaee5 | 483 | "QuickFairQueueing\0" |
4d7ddaf9 | 484 | "QuickFairQueueingClass\0" |
4f9ff96a LP |
485 | "StochasticFairBlue\0" |
486 | "StochasticFairnessQueueing\0" | |
487 | "TokenBucketFilter\0" | |
488 | "TrivialLinkEqualizer\0", | |
489 | config_item_perf_lookup, network_network_gperf_lookup, | |
490 | CONFIG_PARSE_WARN, | |
491 | network, | |
492 | &network->timestamp); | |
102bc043 | 493 | if (r < 0) |
f579559b | 494 | return r; |
f579559b | 495 | |
add8d07d | 496 | network_apply_anonymize_if_set(network); |
497 | ||
fa7cd711 YW |
498 | r = network_add_ipv4ll_route(network); |
499 | if (r < 0) | |
500 | log_warning_errno(r, "%s: Failed to add IPv4LL route, ignoring: %m", network->filename); | |
501 | ||
5d5003ab YW |
502 | r = network_add_default_route_on_device(network); |
503 | if (r < 0) | |
504 | log_warning_errno(r, "%s: Failed to add default route on device, ignoring: %m", | |
505 | network->filename); | |
506 | ||
7f06b3e1 YW |
507 | if (network_verify(network) < 0) |
508 | /* Ignore .network files that do not match the conditions. */ | |
509 | return 0; | |
510 | ||
511 | r = ordered_hashmap_ensure_allocated(networks, &string_hash_ops); | |
dbffab87 TG |
512 | if (r < 0) |
513 | return r; | |
514 | ||
7f06b3e1 | 515 | r = ordered_hashmap_put(*networks, network->name, network); |
dbffab87 TG |
516 | if (r < 0) |
517 | return r; | |
518 | ||
f579559b | 519 | network = NULL; |
f579559b TG |
520 | return 0; |
521 | } | |
522 | ||
7f06b3e1 | 523 | int network_load(Manager *manager, OrderedHashmap **networks) { |
477e73b5 ZJS |
524 | _cleanup_strv_free_ char **files = NULL; |
525 | char **f; | |
f579559b TG |
526 | int r; |
527 | ||
528 | assert(manager); | |
529 | ||
7f06b3e1 | 530 | ordered_hashmap_clear_with_destructor(*networks, network_unref); |
f579559b | 531 | |
dc0d4078 | 532 | r = conf_files_list_strv(&files, ".network", NULL, 0, NETWORK_DIRS); |
f647962d MS |
533 | if (r < 0) |
534 | return log_error_errno(r, "Failed to enumerate network files: %m"); | |
f579559b | 535 | |
715d398e | 536 | STRV_FOREACH(f, files) { |
7f06b3e1 | 537 | r = network_load_one(manager, networks, *f); |
f579559b | 538 | if (r < 0) |
be711082 | 539 | log_error_errno(r, "Failed to load %s, ignoring: %m", *f); |
f579559b TG |
540 | } |
541 | ||
f579559b TG |
542 | return 0; |
543 | } | |
544 | ||
7f06b3e1 YW |
545 | int network_reload(Manager *manager) { |
546 | OrderedHashmap *new_networks = NULL; | |
547 | Network *n, *old; | |
7f06b3e1 YW |
548 | int r; |
549 | ||
550 | assert(manager); | |
551 | ||
552 | r = network_load(manager, &new_networks); | |
553 | if (r < 0) | |
554 | goto failure; | |
555 | ||
90e74a66 | 556 | ORDERED_HASHMAP_FOREACH(n, new_networks) { |
7f06b3e1 YW |
557 | r = network_get_by_name(manager, n->name, &old); |
558 | if (r < 0) | |
559 | continue; /* The .network file is new. */ | |
560 | ||
561 | if (n->timestamp != old->timestamp) | |
562 | continue; /* The .network file is modified. */ | |
563 | ||
564 | if (!streq(n->filename, old->filename)) | |
565 | continue; | |
566 | ||
567 | r = ordered_hashmap_replace(new_networks, old->name, old); | |
568 | if (r < 0) | |
569 | goto failure; | |
570 | ||
571 | network_ref(old); | |
572 | network_unref(n); | |
573 | } | |
574 | ||
575 | ordered_hashmap_free_with_destructor(manager->networks, network_unref); | |
576 | manager->networks = new_networks; | |
577 | ||
578 | return 0; | |
579 | ||
580 | failure: | |
581 | ordered_hashmap_free_with_destructor(new_networks, network_unref); | |
582 | ||
583 | return r; | |
584 | } | |
585 | ||
35ac3b76 | 586 | static Network *network_free(Network *network) { |
f579559b | 587 | if (!network) |
35ac3b76 | 588 | return NULL; |
f579559b TG |
589 | |
590 | free(network->filename); | |
591 | ||
e90d0374 | 592 | set_free_free(network->match_mac); |
4bb7cc82 | 593 | set_free_free(network->match_permanent_mac); |
5256e00e TG |
594 | strv_free(network->match_path); |
595 | strv_free(network->match_driver); | |
596 | strv_free(network->match_type); | |
597 | strv_free(network->match_name); | |
44005bfb | 598 | strv_free(network->match_property); |
78404d22 | 599 | strv_free(network->match_wlan_iftype); |
8d968fdd | 600 | strv_free(network->match_ssid); |
277ba8d1 | 601 | set_free_free(network->match_bssid); |
c4f58dea | 602 | condition_free_list(network->conditions); |
f579559b TG |
603 | |
604 | free(network->description); | |
edb85f0d | 605 | free(network->dhcp_vendor_class_identifier); |
7b8d23a9 | 606 | free(network->dhcp_mudurl); |
af1c0de0 | 607 | strv_free(network->dhcp_user_class); |
27cb34f5 | 608 | free(network->dhcp_hostname); |
6b000af4 | 609 | set_free(network->dhcp_deny_listed_ip); |
98ebef62 | 610 | set_free(network->dhcp_allow_listed_ip); |
5bc945be | 611 | set_free(network->dhcp_request_options); |
35f6a5cb | 612 | set_free(network->dhcp6_request_options); |
c106cc36 | 613 | free(network->mac); |
3175a8c2 | 614 | free(network->dhcp6_mudurl); |
f37f2a6b | 615 | strv_free(network->dhcp6_user_class); |
ed0d1b2e | 616 | strv_free(network->dhcp6_vendor_class); |
c106cc36 | 617 | |
b0e39c82 | 618 | strv_free(network->ntp); |
e77bd3fd YW |
619 | for (unsigned i = 0; i < network->n_dns; i++) |
620 | in_addr_full_free(network->dns[i]); | |
5512a963 | 621 | free(network->dns); |
5e276772 YW |
622 | ordered_set_free(network->search_domains); |
623 | ordered_set_free(network->route_domains); | |
0d4ad91d | 624 | strv_free(network->bind_carrier); |
cdd7812b | 625 | |
5e276772 | 626 | ordered_set_free(network->router_search_domains); |
cdd7812b | 627 | free(network->router_dns); |
6b000af4 | 628 | set_free_free(network->ndisc_deny_listed_prefix); |
3bef724f | 629 | |
cebe1257 YW |
630 | free(network->bridge_name); |
631 | free(network->bond_name); | |
632 | free(network->vrf_name); | |
633 | hashmap_free_free_key(network->stacked_netdev_names); | |
47e2dc31 | 634 | netdev_unref(network->bridge); |
47e2dc31 | 635 | netdev_unref(network->bond); |
6cb955c6 | 636 | netdev_unref(network->vrf); |
fa6f1e54 | 637 | hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref); |
326cb406 | 638 | |
d349f502 | 639 | set_free_free(network->ipv6_proxy_ndp_addresses); |
9cd9fc8f | 640 | ordered_hashmap_free_with_destructor(network->addresses_by_section, address_free); |
2a54a044 | 641 | hashmap_free_with_destructor(network->routes_by_section, route_free); |
b82663dd | 642 | hashmap_free_with_destructor(network->nexthops_by_section, nexthop_free); |
62ed9442 | 643 | hashmap_free_with_destructor(network->fdb_entries_by_section, fdb_entry_free); |
03c9738e | 644 | hashmap_free_with_destructor(network->mdb_entries_by_section, mdb_entry_free); |
b0ba6938 | 645 | hashmap_free_with_destructor(network->neighbors_by_section, neighbor_free); |
d6a2a0f9 | 646 | hashmap_free_with_destructor(network->address_labels_by_section, address_label_free); |
ecb0e85e YW |
647 | hashmap_free_with_destructor(network->prefixes_by_section, prefix_free); |
648 | hashmap_free_with_destructor(network->route_prefixes_by_section, route_prefix_free); | |
ca183bf8 | 649 | hashmap_free_with_destructor(network->rules_by_section, routing_policy_rule_free); |
518cd6b5 | 650 | ordered_hashmap_free_with_destructor(network->sr_iov_by_section, sr_iov_free); |
34658df2 | 651 | ordered_hashmap_free_with_destructor(network->tc_by_section, traffic_control_free); |
6ae115c1 | 652 | |
7f06b3e1 YW |
653 | if (network->manager && |
654 | network->manager->duids_requesting_uuid) | |
655 | set_remove(network->manager->duids_requesting_uuid, &network->duid); | |
dbffab87 TG |
656 | |
657 | free(network->name); | |
f579559b | 658 | |
8eb9058d | 659 | free(network->dhcp_server_timezone); |
2a71d57f LP |
660 | |
661 | for (sd_dhcp_lease_server_type t = 0; t < _SD_DHCP_LEASE_SERVER_TYPE_MAX; t++) | |
662 | free(network->dhcp_server_emit[t].addresses); | |
8eb9058d | 663 | |
8a516214 LP |
664 | set_free_free(network->dnssec_negative_trust_anchors); |
665 | ||
e9a8c550 SS |
666 | free(network->lldp_mud); |
667 | ||
0e96961d | 668 | ordered_hashmap_free(network->dhcp_client_send_options); |
7354900d | 669 | ordered_hashmap_free(network->dhcp_client_send_vendor_options); |
0e96961d | 670 | ordered_hashmap_free(network->dhcp_server_send_options); |
7354900d | 671 | ordered_hashmap_free(network->dhcp_server_send_vendor_options); |
2c621495 | 672 | ordered_set_free(network->ipv6_tokens); |
1c3ec1cd | 673 | ordered_hashmap_free(network->dhcp6_client_send_options); |
b4ccc5de | 674 | ordered_hashmap_free(network->dhcp6_client_send_vendor_options); |
cb29c156 | 675 | |
35ac3b76 | 676 | return mfree(network); |
f579559b TG |
677 | } |
678 | ||
35ac3b76 YW |
679 | DEFINE_TRIVIAL_REF_UNREF_FUNC(Network, network, network_free); |
680 | ||
dbffab87 TG |
681 | int network_get_by_name(Manager *manager, const char *name, Network **ret) { |
682 | Network *network; | |
683 | ||
684 | assert(manager); | |
685 | assert(name); | |
686 | assert(ret); | |
687 | ||
715d398e | 688 | network = ordered_hashmap_get(manager->networks, name); |
dbffab87 TG |
689 | if (!network) |
690 | return -ENOENT; | |
691 | ||
692 | *ret = network; | |
693 | ||
694 | return 0; | |
695 | } | |
696 | ||
ef62949a | 697 | int network_get(Manager *manager, unsigned short iftype, sd_device *device, |
c643bda5 YW |
698 | const char *ifname, char * const *alternative_names, const char *driver, |
699 | const struct ether_addr *mac, const struct ether_addr *permanent_mac, | |
78404d22 YW |
700 | enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, |
701 | Network **ret) { | |
51517f9e | 702 | Network *network; |
f579559b TG |
703 | |
704 | assert(manager); | |
f579559b | 705 | assert(ret); |
af3aa302 | 706 | |
90e74a66 | 707 | ORDERED_HASHMAP_FOREACH(network, manager->networks) |
4bb7cc82 YW |
708 | if (net_match_config(network->match_mac, network->match_permanent_mac, |
709 | network->match_path, network->match_driver, | |
44005bfb | 710 | network->match_type, network->match_name, network->match_property, |
78404d22 | 711 | network->match_wlan_iftype, network->match_ssid, network->match_bssid, |
c643bda5 | 712 | device, mac, permanent_mac, driver, iftype, |
4bb7cc82 | 713 | ifname, alternative_names, wlan_iftype, ssid, bssid)) { |
24c083df | 714 | if (network->match_name && device) { |
ca6038b8 TG |
715 | const char *attr; |
716 | uint8_t name_assign_type = NET_NAME_UNKNOWN; | |
717 | ||
51517f9e | 718 | if (sd_device_get_sysattr_value(device, "name_assign_type", &attr) >= 0) |
dc751688 | 719 | (void) safe_atou8(attr, &name_assign_type); |
32bc8adc TG |
720 | |
721 | if (name_assign_type == NET_NAME_ENUM) | |
a2fae7bb TG |
722 | log_warning("%s: found matching network '%s', based on potentially unpredictable ifname", |
723 | ifname, network->filename); | |
32bc8adc | 724 | else |
a2fae7bb | 725 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 726 | } else |
a2fae7bb | 727 | log_debug("%s: found matching network '%s'", ifname, network->filename); |
32bc8adc | 728 | |
f579559b TG |
729 | *ret = network; |
730 | return 0; | |
731 | } | |
f579559b TG |
732 | |
733 | *ret = NULL; | |
734 | ||
735 | return -ENOENT; | |
736 | } | |
737 | ||
7d342c03 | 738 | int network_apply(Network *network, Link *link) { |
c4a03a56 TG |
739 | assert(network); |
740 | assert(link); | |
741 | ||
c9c908a6 | 742 | link->network = network_ref(network); |
f579559b | 743 | |
5512a963 | 744 | if (network->n_dns > 0 || |
3df9bec5 | 745 | !strv_isempty(network->ntp) || |
5e2a51d5 ZJS |
746 | !ordered_set_isempty(network->search_domains) || |
747 | !ordered_set_isempty(network->route_domains)) | |
84de38c5 | 748 | link_dirty(link); |
3bef724f | 749 | |
f579559b TG |
750 | return 0; |
751 | } | |
02b59d57 | 752 | |
adfeee49 | 753 | bool network_has_static_ipv6_configurations(Network *network) { |
439689c6 | 754 | Address *address; |
adfeee49 YW |
755 | Route *route; |
756 | FdbEntry *fdb; | |
3db468ea | 757 | MdbEntry *mdb; |
adfeee49 | 758 | Neighbor *neighbor; |
439689c6 SS |
759 | |
760 | assert(network); | |
761 | ||
9cd9fc8f | 762 | ORDERED_HASHMAP_FOREACH(address, network->addresses_by_section) |
439689c6 SS |
763 | if (address->family == AF_INET6) |
764 | return true; | |
adfeee49 | 765 | |
2a54a044 | 766 | HASHMAP_FOREACH(route, network->routes_by_section) |
adfeee49 YW |
767 | if (route->family == AF_INET6) |
768 | return true; | |
769 | ||
62ed9442 | 770 | HASHMAP_FOREACH(fdb, network->fdb_entries_by_section) |
adfeee49 YW |
771 | if (fdb->family == AF_INET6) |
772 | return true; | |
773 | ||
03c9738e | 774 | HASHMAP_FOREACH(mdb, network->mdb_entries_by_section) |
3db468ea DM |
775 | if (mdb->family == AF_INET6) |
776 | return true; | |
777 | ||
b0ba6938 | 778 | HASHMAP_FOREACH(neighbor, network->neighbors_by_section) |
adfeee49 YW |
779 | if (neighbor->family == AF_INET6) |
780 | return true; | |
781 | ||
d6a2a0f9 | 782 | if (!hashmap_isempty(network->address_labels_by_section)) |
adfeee49 YW |
783 | return true; |
784 | ||
ecb0e85e | 785 | if (!hashmap_isempty(network->prefixes_by_section)) |
adfeee49 | 786 | return true; |
d30081c2 YW |
787 | |
788 | if (!hashmap_isempty(network->route_prefixes_by_section)) | |
789 | return true; | |
439689c6 SS |
790 | |
791 | return false; | |
792 | } | |
793 | ||
cebe1257 | 794 | int config_parse_stacked_netdev(const char *unit, |
02b59d57 TG |
795 | const char *filename, |
796 | unsigned line, | |
797 | const char *section, | |
798 | unsigned section_line, | |
799 | const char *lvalue, | |
800 | int ltype, | |
801 | const char *rvalue, | |
802 | void *data, | |
803 | void *userdata) { | |
95dba435 YW |
804 | _cleanup_free_ char *name = NULL; |
805 | NetDevKind kind = ltype; | |
cebe1257 | 806 | Hashmap **h = data; |
02b59d57 TG |
807 | int r; |
808 | ||
809 | assert(filename); | |
810 | assert(lvalue); | |
811 | assert(rvalue); | |
812 | assert(data); | |
95dba435 YW |
813 | assert(IN_SET(kind, |
814 | NETDEV_KIND_VLAN, NETDEV_KIND_MACVLAN, NETDEV_KIND_MACVTAP, | |
69c317a0 | 815 | NETDEV_KIND_IPVLAN, NETDEV_KIND_IPVTAP, NETDEV_KIND_VXLAN, |
98d20a17 | 816 | NETDEV_KIND_L2TP, NETDEV_KIND_MACSEC, _NETDEV_KIND_TUNNEL, |
817 | NETDEV_KIND_XFRM)); | |
54abf461 | 818 | |
cebe1257 | 819 | if (!ifname_valid(rvalue)) { |
d96edb2c | 820 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3772cfde | 821 | "Invalid netdev name in %s=, ignoring assignment: %s", lvalue, rvalue); |
54abf461 TG |
822 | return 0; |
823 | } | |
824 | ||
cebe1257 YW |
825 | name = strdup(rvalue); |
826 | if (!name) | |
827 | return log_oom(); | |
3e570042 | 828 | |
cebe1257 YW |
829 | r = hashmap_ensure_allocated(h, &string_hash_ops); |
830 | if (r < 0) | |
831 | return log_oom(); | |
326cb406 | 832 | |
cebe1257 | 833 | r = hashmap_put(*h, name, INT_TO_PTR(kind)); |
83ec4592 | 834 | if (r < 0) |
d96edb2c | 835 | log_syntax(unit, LOG_WARNING, filename, line, r, |
83ec4592 ZJS |
836 | "Cannot add NetDev '%s' to network, ignoring assignment: %m", name); |
837 | else if (r == 0) | |
838 | log_syntax(unit, LOG_DEBUG, filename, line, r, | |
839 | "NetDev '%s' specified twice, ignoring.", name); | |
840 | else | |
841 | name = NULL; | |
47e2dc31 | 842 | |
fe6b2d55 TG |
843 | return 0; |
844 | } | |
7951dea2 | 845 | |
3df9bec5 LP |
846 | int config_parse_domains( |
847 | const char *unit, | |
848 | const char *filename, | |
849 | unsigned line, | |
850 | const char *section, | |
851 | unsigned section_line, | |
852 | const char *lvalue, | |
853 | int ltype, | |
854 | const char *rvalue, | |
855 | void *data, | |
856 | void *userdata) { | |
857 | ||
3df9bec5 | 858 | Network *n = data; |
6192b846 TG |
859 | int r; |
860 | ||
3df9bec5 LP |
861 | assert(n); |
862 | assert(lvalue); | |
863 | assert(rvalue); | |
6192b846 | 864 | |
3df9bec5 | 865 | if (isempty(rvalue)) { |
5e276772 YW |
866 | n->search_domains = ordered_set_free(n->search_domains); |
867 | n->route_domains = ordered_set_free(n->route_domains); | |
3df9bec5 LP |
868 | return 0; |
869 | } | |
67272d15 | 870 | |
d96edb2c | 871 | for (const char *p = rvalue;;) { |
3df9bec5 LP |
872 | _cleanup_free_ char *w = NULL, *normalized = NULL; |
873 | const char *domain; | |
874 | bool is_route; | |
875 | ||
876 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
877 | if (r == -ENOMEM) |
878 | return log_oom(); | |
3df9bec5 | 879 | if (r < 0) { |
d96edb2c | 880 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 881 | "Failed to extract search or route domain, ignoring: %s", rvalue); |
d96edb2c | 882 | return 0; |
3df9bec5 LP |
883 | } |
884 | if (r == 0) | |
d96edb2c | 885 | return 0; |
3df9bec5 LP |
886 | |
887 | is_route = w[0] == '~'; | |
888 | domain = is_route ? w + 1 : w; | |
889 | ||
890 | if (dns_name_is_root(domain) || streq(domain, "*")) { | |
ab24039f ZJS |
891 | /* If the root domain appears as is, or the special token "*" is found, we'll |
892 | * consider this as routing domain, unconditionally. */ | |
3df9bec5 | 893 | is_route = true; |
ab24039f ZJS |
894 | domain = "."; /* make sure we don't allow empty strings, thus write the root |
895 | * domain as "." */ | |
3df9bec5 | 896 | } else { |
7470cc4c | 897 | r = dns_name_normalize(domain, 0, &normalized); |
3df9bec5 | 898 | if (r < 0) { |
d96edb2c | 899 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 900 | "'%s' is not a valid domain name, ignoring.", domain); |
3df9bec5 LP |
901 | continue; |
902 | } | |
903 | ||
904 | domain = normalized; | |
905 | ||
906 | if (is_localhost(domain)) { | |
d96edb2c | 907 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f ZJS |
908 | "'localhost' domain may not be configured as search or route domain, ignoring assignment: %s", |
909 | domain); | |
37de2509 | 910 | continue; |
3df9bec5 | 911 | } |
37de2509 | 912 | } |
40274ed6 | 913 | |
5e2a51d5 | 914 | OrderedSet **set = is_route ? &n->route_domains : &n->search_domains; |
5e276772 | 915 | r = ordered_set_ensure_allocated(set, &string_hash_ops_free); |
5e2a51d5 | 916 | if (r < 0) |
d96edb2c | 917 | return log_oom(); |
5e2a51d5 ZJS |
918 | |
919 | r = ordered_set_put_strdup(*set, domain); | |
09451975 LP |
920 | if (r < 0) |
921 | return log_oom(); | |
40274ed6 | 922 | } |
6192b846 TG |
923 | } |
924 | ||
1ac608c9 LP |
925 | int config_parse_hostname( |
926 | const char *unit, | |
927 | const char *filename, | |
928 | unsigned line, | |
929 | const char *section, | |
930 | unsigned section_line, | |
931 | const char *lvalue, | |
932 | int ltype, | |
933 | const char *rvalue, | |
934 | void *data, | |
935 | void *userdata) { | |
936 | ||
6528693a YW |
937 | _cleanup_free_ char *hn = NULL; |
938 | char **hostname = data; | |
a7d0ef44 SS |
939 | int r; |
940 | ||
941 | assert(filename); | |
942 | assert(lvalue); | |
943 | assert(rvalue); | |
944 | ||
1ac608c9 | 945 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &hn, userdata); |
a7d0ef44 SS |
946 | if (r < 0) |
947 | return r; | |
948 | ||
1ac608c9 | 949 | if (!hostname_is_valid(hn, false)) { |
d96edb2c | 950 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 951 | "Hostname is not valid, ignoring assignment: %s", rvalue); |
a7d0ef44 SS |
952 | return 0; |
953 | } | |
954 | ||
6528693a YW |
955 | r = dns_name_is_valid(hn); |
956 | if (r < 0) { | |
d96edb2c | 957 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 958 | "Failed to check validity of hostname '%s', ignoring assignment: %m", rvalue); |
6528693a YW |
959 | return 0; |
960 | } | |
961 | if (r == 0) { | |
d96edb2c | 962 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
ab24039f | 963 | "Hostname is not a valid DNS domain name, ignoring assignment: %s", rvalue); |
6528693a YW |
964 | return 0; |
965 | } | |
966 | ||
967 | return free_and_replace(*hostname, hn); | |
a7d0ef44 | 968 | } |
8eb9058d LP |
969 | |
970 | int config_parse_timezone( | |
971 | const char *unit, | |
972 | const char *filename, | |
973 | unsigned line, | |
974 | const char *section, | |
975 | unsigned section_line, | |
976 | const char *lvalue, | |
977 | int ltype, | |
978 | const char *rvalue, | |
979 | void *data, | |
980 | void *userdata) { | |
981 | ||
19f9e4e2 YW |
982 | _cleanup_free_ char *tz = NULL; |
983 | char **datap = data; | |
8eb9058d LP |
984 | int r; |
985 | ||
986 | assert(filename); | |
987 | assert(lvalue); | |
988 | assert(rvalue); | |
989 | ||
990 | r = config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &tz, userdata); | |
991 | if (r < 0) | |
992 | return r; | |
993 | ||
d96edb2c YW |
994 | if (!timezone_is_valid(tz, LOG_WARNING)) { |
995 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
ab24039f | 996 | "Timezone is not valid, ignoring assignment: %s", rvalue); |
8eb9058d LP |
997 | return 0; |
998 | } | |
999 | ||
19f9e4e2 | 1000 | return free_and_replace(*datap, tz); |
8eb9058d | 1001 | } |
1a04db0f | 1002 | |
53253824 SS |
1003 | int config_parse_dns( |
1004 | const char *unit, | |
1005 | const char *filename, | |
1006 | unsigned line, | |
1007 | const char *section, | |
1008 | unsigned section_line, | |
1009 | const char *lvalue, | |
1010 | int ltype, | |
1011 | const char *rvalue, | |
1012 | void *data, | |
1013 | void *userdata) { | |
1014 | ||
1015 | Network *n = userdata; | |
1016 | int r; | |
1017 | ||
1018 | assert(filename); | |
1019 | assert(lvalue); | |
1020 | assert(rvalue); | |
1021 | ||
d96edb2c | 1022 | if (isempty(rvalue)) { |
e77bd3fd YW |
1023 | for (unsigned i = 0; i < n->n_dns; i++) |
1024 | in_addr_full_free(n->dns[i]); | |
d96edb2c YW |
1025 | n->dns = mfree(n->dns); |
1026 | n->n_dns = 0; | |
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | for (const char *p = rvalue;;) { | |
e77bd3fd | 1031 | _cleanup_(in_addr_full_freep) struct in_addr_full *dns = NULL; |
53253824 | 1032 | _cleanup_free_ char *w = NULL; |
e77bd3fd | 1033 | struct in_addr_full **m; |
53253824 | 1034 | |
d96edb2c | 1035 | r = extract_first_word(&p, &w, NULL, 0); |
53253824 SS |
1036 | if (r == -ENOMEM) |
1037 | return log_oom(); | |
1038 | if (r < 0) { | |
d96edb2c | 1039 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1040 | "Invalid syntax, ignoring: %s", rvalue); |
d96edb2c | 1041 | return 0; |
53253824 | 1042 | } |
5512a963 | 1043 | if (r == 0) |
d96edb2c | 1044 | return 0; |
53253824 | 1045 | |
e77bd3fd | 1046 | r = in_addr_full_new_from_string(w, &dns); |
53253824 | 1047 | if (r < 0) { |
d96edb2c | 1048 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1049 | "Failed to parse dns server address, ignoring: %s", w); |
53253824 SS |
1050 | continue; |
1051 | } | |
1052 | ||
e77bd3fd YW |
1053 | if (IN_SET(dns->port, 53, 853)) |
1054 | dns->port = 0; | |
1055 | ||
1056 | m = reallocarray(n->dns, n->n_dns + 1, sizeof(struct in_addr_full*)); | |
5512a963 | 1057 | if (!m) |
53253824 SS |
1058 | return log_oom(); |
1059 | ||
e77bd3fd | 1060 | m[n->n_dns++] = TAKE_PTR(dns); |
5512a963 | 1061 | n->dns = m; |
53253824 | 1062 | } |
53253824 SS |
1063 | } |
1064 | ||
8a516214 LP |
1065 | int config_parse_dnssec_negative_trust_anchors( |
1066 | const char *unit, | |
1067 | const char *filename, | |
1068 | unsigned line, | |
1069 | const char *section, | |
1070 | unsigned section_line, | |
1071 | const char *lvalue, | |
1072 | int ltype, | |
1073 | const char *rvalue, | |
1074 | void *data, | |
1075 | void *userdata) { | |
1076 | ||
8a516214 LP |
1077 | Network *n = data; |
1078 | int r; | |
1079 | ||
3df9bec5 | 1080 | assert(n); |
8a516214 LP |
1081 | assert(lvalue); |
1082 | assert(rvalue); | |
1083 | ||
1084 | if (isempty(rvalue)) { | |
1085 | n->dnssec_negative_trust_anchors = set_free_free(n->dnssec_negative_trust_anchors); | |
1086 | return 0; | |
1087 | } | |
1088 | ||
d96edb2c | 1089 | for (const char *p = rvalue;;) { |
8a516214 LP |
1090 | _cleanup_free_ char *w = NULL; |
1091 | ||
1092 | r = extract_first_word(&p, &w, NULL, 0); | |
d96edb2c YW |
1093 | if (r == -ENOMEM) |
1094 | return log_oom(); | |
8a516214 | 1095 | if (r < 0) { |
d96edb2c | 1096 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1097 | "Failed to extract negative trust anchor domain, ignoring: %s", rvalue); |
d96edb2c | 1098 | return 0; |
8a516214 LP |
1099 | } |
1100 | if (r == 0) | |
d96edb2c | 1101 | return 0; |
8a516214 LP |
1102 | |
1103 | r = dns_name_is_valid(w); | |
1104 | if (r <= 0) { | |
d96edb2c | 1105 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1106 | "%s is not a valid domain name, ignoring.", w); |
8a516214 LP |
1107 | continue; |
1108 | } | |
1109 | ||
35e601d4 | 1110 | r = set_ensure_consume(&n->dnssec_negative_trust_anchors, &dns_name_hash_ops, TAKE_PTR(w)); |
8a516214 LP |
1111 | if (r < 0) |
1112 | return log_oom(); | |
8a516214 | 1113 | } |
8a516214 | 1114 | } |
b2a81c0b | 1115 | |
26575990 LP |
1116 | int config_parse_ntp( |
1117 | const char *unit, | |
1118 | const char *filename, | |
1119 | unsigned line, | |
1120 | const char *section, | |
1121 | unsigned section_line, | |
1122 | const char *lvalue, | |
1123 | int ltype, | |
1124 | const char *rvalue, | |
1125 | void *data, | |
1126 | void *userdata) { | |
1127 | ||
1128 | char ***l = data; | |
1129 | int r; | |
1130 | ||
1131 | assert(l); | |
1132 | assert(lvalue); | |
1133 | assert(rvalue); | |
1134 | ||
1135 | if (isempty(rvalue)) { | |
1136 | *l = strv_free(*l); | |
1137 | return 0; | |
1138 | } | |
1139 | ||
d96edb2c | 1140 | for (const char *p = rvalue;;) { |
26575990 LP |
1141 | _cleanup_free_ char *w = NULL; |
1142 | ||
d96edb2c | 1143 | r = extract_first_word(&p, &w, NULL, 0); |
26575990 LP |
1144 | if (r == -ENOMEM) |
1145 | return log_oom(); | |
1146 | if (r < 0) { | |
d96edb2c | 1147 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1148 | "Failed to extract NTP server name, ignoring: %s", rvalue); |
d96edb2c | 1149 | return 0; |
26575990 LP |
1150 | } |
1151 | if (r == 0) | |
d96edb2c | 1152 | return 0; |
26575990 LP |
1153 | |
1154 | r = dns_name_is_valid_or_address(w); | |
1155 | if (r <= 0) { | |
d96edb2c | 1156 | log_syntax(unit, LOG_WARNING, filename, line, r, |
ab24039f | 1157 | "%s is not a valid domain name or IP address, ignoring.", w); |
26575990 | 1158 | continue; |
af1c0de0 SS |
1159 | } |
1160 | ||
c448459d ZJS |
1161 | if (strv_length(*l) > MAX_NTP_SERVERS) { |
1162 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
1163 | "More than %u NTP servers specified, ignoring \"%s\" and any subsequent entries.", | |
1164 | MAX_NTP_SERVERS, w); | |
d96edb2c | 1165 | return 0; |
c448459d ZJS |
1166 | } |
1167 | ||
1168 | r = strv_consume(l, TAKE_PTR(w)); | |
af1c0de0 SS |
1169 | if (r < 0) |
1170 | return log_oom(); | |
af1c0de0 | 1171 | } |
af1c0de0 SS |
1172 | } |
1173 | ||
4ac77d63 YW |
1174 | int config_parse_required_for_online( |
1175 | const char *unit, | |
1176 | const char *filename, | |
1177 | unsigned line, | |
1178 | const char *section, | |
1179 | unsigned section_line, | |
1180 | const char *lvalue, | |
1181 | int ltype, | |
1182 | const char *rvalue, | |
1183 | void *data, | |
1184 | void *userdata) { | |
1185 | ||
1186 | Network *network = data; | |
75cd4a5d | 1187 | LinkOperationalStateRange range; |
4ac77d63 YW |
1188 | bool required = true; |
1189 | int r; | |
1190 | ||
1191 | if (isempty(rvalue)) { | |
1192 | network->required_for_online = true; | |
75cd4a5d | 1193 | network->required_operstate_for_online = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1194 | return 0; |
1195 | } | |
1196 | ||
75cd4a5d DDM |
1197 | r = parse_operational_state_range(rvalue, &range); |
1198 | if (r < 0) { | |
4ac77d63 YW |
1199 | r = parse_boolean(rvalue); |
1200 | if (r < 0) { | |
d96edb2c | 1201 | log_syntax(unit, LOG_WARNING, filename, line, r, |
4ac77d63 YW |
1202 | "Failed to parse %s= setting, ignoring assignment: %s", |
1203 | lvalue, rvalue); | |
1204 | return 0; | |
1205 | } | |
1206 | ||
1207 | required = r; | |
75cd4a5d | 1208 | range = LINK_OPERSTATE_RANGE_DEFAULT; |
4ac77d63 YW |
1209 | } |
1210 | ||
1211 | network->required_for_online = required; | |
75cd4a5d | 1212 | network->required_operstate_for_online = range; |
4ac77d63 YW |
1213 | |
1214 | return 0; | |
1215 | } | |
7da377ef SS |
1216 | |
1217 | DEFINE_CONFIG_PARSE_ENUM(config_parse_keep_configuration, keep_configuration, KeepConfiguration, | |
1218 | "Failed to parse KeepConfiguration= setting"); | |
1219 | ||
1220 | static const char* const keep_configuration_table[_KEEP_CONFIGURATION_MAX] = { | |
95355a28 YW |
1221 | [KEEP_CONFIGURATION_NO] = "no", |
1222 | [KEEP_CONFIGURATION_DHCP_ON_STOP] = "dhcp-on-stop", | |
1223 | [KEEP_CONFIGURATION_DHCP] = "dhcp", | |
1224 | [KEEP_CONFIGURATION_STATIC] = "static", | |
1225 | [KEEP_CONFIGURATION_YES] = "yes", | |
7da377ef SS |
1226 | }; |
1227 | ||
1228 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(keep_configuration, KeepConfiguration, KEEP_CONFIGURATION_YES); | |
6f6296b9 YW |
1229 | |
1230 | static const char* const ipv6_link_local_address_gen_mode_table[_IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX] = { | |
1231 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64] = "eui64", | |
1232 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE] = "none", | |
1233 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY] = "stable-privacy", | |
1234 | [IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_RANDOM] = "random", | |
1235 | }; | |
1236 | ||
1237 | DEFINE_STRING_TABLE_LOOKUP(ipv6_link_local_address_gen_mode, IPv6LinkLocalAddressGenMode); | |
1238 | 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"); |