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1 | /* SPDX-License-Identifier: LGPL-2.1+ */ | |
2 | #pragma once | |
3 | ||
4 | #include <linux/nl80211.h> | |
5 | ||
6 | #include "sd-bus.h" | |
7 | #include "sd-device.h" | |
8 | #include "sd-ipv4acd.h" | |
9 | ||
10 | #include "bridge.h" | |
11 | #include "condition.h" | |
12 | #include "conf-parser.h" | |
13 | #include "hashmap.h" | |
14 | #include "netdev.h" | |
15 | #include "networkd-address-label.h" | |
16 | #include "networkd-address.h" | |
17 | #include "networkd-brvlan.h" | |
18 | #include "networkd-dhcp-common.h" | |
19 | #include "networkd-dhcp4.h" | |
20 | #include "networkd-dhcp6.h" | |
21 | #include "networkd-dhcp-server.h" | |
22 | #include "networkd-fdb.h" | |
23 | #include "networkd-ipv6-proxy-ndp.h" | |
24 | #include "networkd-lldp-rx.h" | |
25 | #include "networkd-lldp-tx.h" | |
26 | #include "networkd-ndisc.h" | |
27 | #include "networkd-neighbor.h" | |
28 | #include "networkd-nexthop.h" | |
29 | #include "networkd-radv.h" | |
30 | #include "networkd-route.h" | |
31 | #include "networkd-routing-policy-rule.h" | |
32 | #include "networkd-util.h" | |
33 | #include "ordered-set.h" | |
34 | #include "resolve-util.h" | |
35 | ||
36 | typedef enum IPv6PrivacyExtensions { | |
37 | /* The values map to the kernel's /proc/sys/net/ipv6/conf/xxx/use_tempaddr values */ | |
38 | IPV6_PRIVACY_EXTENSIONS_NO, | |
39 | IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC, | |
40 | IPV6_PRIVACY_EXTENSIONS_YES, /* aka prefer-temporary */ | |
41 | _IPV6_PRIVACY_EXTENSIONS_MAX, | |
42 | _IPV6_PRIVACY_EXTENSIONS_INVALID = -1, | |
43 | } IPv6PrivacyExtensions; | |
44 | ||
45 | typedef enum KeepConfiguration { | |
46 | KEEP_CONFIGURATION_NO = 0, | |
47 | KEEP_CONFIGURATION_DHCP_ON_START = 1 << 0, | |
48 | KEEP_CONFIGURATION_DHCP_ON_STOP = 1 << 1, | |
49 | KEEP_CONFIGURATION_DHCP = KEEP_CONFIGURATION_DHCP_ON_START | KEEP_CONFIGURATION_DHCP_ON_STOP, | |
50 | KEEP_CONFIGURATION_STATIC = 1 << 2, | |
51 | KEEP_CONFIGURATION_YES = KEEP_CONFIGURATION_DHCP | KEEP_CONFIGURATION_STATIC, | |
52 | _KEEP_CONFIGURATION_MAX, | |
53 | _KEEP_CONFIGURATION_INVALID = -1, | |
54 | } KeepConfiguration; | |
55 | ||
56 | typedef enum IPv6LinkLocalAddressGenMode { | |
57 | IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64 = IN6_ADDR_GEN_MODE_EUI64, | |
58 | IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE = IN6_ADDR_GEN_MODE_NONE, | |
59 | IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY = IN6_ADDR_GEN_MODE_STABLE_PRIVACY, | |
60 | IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_RANDOM = IN6_ADDR_GEN_MODE_RANDOM, | |
61 | _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX, | |
62 | _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID = -1 | |
63 | } IPv6LinkLocalAddressGenMode; | |
64 | ||
65 | typedef struct Manager Manager; | |
66 | ||
67 | typedef struct NetworkDHCPServerEmitAddress { | |
68 | bool emit; | |
69 | struct in_addr *addresses; | |
70 | size_t n_addresses; | |
71 | } NetworkDHCPServerEmitAddress; | |
72 | ||
73 | struct Network { | |
74 | Manager *manager; | |
75 | ||
76 | char *filename; | |
77 | char *name; | |
78 | usec_t timestamp; | |
79 | ||
80 | unsigned n_ref; | |
81 | ||
82 | Set *match_mac; | |
83 | Set *match_permanent_mac; | |
84 | char **match_path; | |
85 | char **match_driver; | |
86 | char **match_type; | |
87 | char **match_name; | |
88 | char **match_property; | |
89 | char **match_wlan_iftype; | |
90 | char **match_ssid; | |
91 | Set *match_bssid; | |
92 | LIST_HEAD(Condition, conditions); | |
93 | ||
94 | char *description; | |
95 | ||
96 | NetDev *bridge; | |
97 | NetDev *bond; | |
98 | NetDev *vrf; | |
99 | NetDev *xfrm; | |
100 | Hashmap *stacked_netdevs; | |
101 | char *bridge_name; | |
102 | char *bond_name; | |
103 | char *vrf_name; | |
104 | Hashmap *stacked_netdev_names; | |
105 | ||
106 | /* DHCP Client Support */ | |
107 | AddressFamily dhcp; | |
108 | DHCPClientIdentifier dhcp_client_identifier; | |
109 | char *dhcp_vendor_class_identifier; | |
110 | char *dhcp_mudurl; | |
111 | char **dhcp_user_class; | |
112 | char *dhcp_hostname; | |
113 | uint64_t dhcp_max_attempts; | |
114 | uint32_t dhcp_route_metric; | |
115 | bool dhcp_route_metric_set; | |
116 | uint32_t dhcp_route_table; | |
117 | uint32_t dhcp_fallback_lease_lifetime; | |
118 | uint32_t dhcp_route_mtu; | |
119 | uint16_t dhcp_client_port; | |
120 | int dhcp_critical; | |
121 | int ip_service_type; | |
122 | bool dhcp_anonymize; | |
123 | bool dhcp_send_hostname; | |
124 | bool dhcp_broadcast; | |
125 | bool dhcp_use_dns; | |
126 | bool dhcp_use_dns_set; | |
127 | bool dhcp_routes_to_dns; | |
128 | bool dhcp_use_ntp; | |
129 | bool dhcp_use_ntp_set; | |
130 | bool dhcp_use_sip; | |
131 | bool dhcp_use_mtu; | |
132 | bool dhcp_use_routes; | |
133 | int dhcp_use_gateway; | |
134 | bool dhcp_use_timezone; | |
135 | bool rapid_commit; | |
136 | bool dhcp_use_hostname; | |
137 | bool dhcp_route_table_set; | |
138 | bool dhcp_send_release; | |
139 | bool dhcp_send_decline; | |
140 | DHCPUseDomains dhcp_use_domains; | |
141 | sd_ipv4acd *dhcp_acd; | |
142 | Set *dhcp_deny_listed_ip; | |
143 | Set *dhcp_allow_listed_ip; | |
144 | Set *dhcp_request_options; | |
145 | OrderedHashmap *dhcp_client_send_options; | |
146 | OrderedHashmap *dhcp_client_send_vendor_options; | |
147 | OrderedHashmap *dhcp_server_send_options; | |
148 | OrderedHashmap *dhcp_server_send_vendor_options; | |
149 | ||
150 | /* DHCPv6 Client support*/ | |
151 | bool dhcp6_use_dns; | |
152 | bool dhcp6_use_dns_set; | |
153 | bool dhcp6_use_ntp; | |
154 | bool dhcp6_use_ntp_set; | |
155 | uint8_t dhcp6_pd_length; | |
156 | uint32_t dhcp6_route_metric; | |
157 | bool dhcp6_route_metric_set; | |
158 | char *dhcp6_mudurl; | |
159 | char **dhcp6_user_class; | |
160 | char **dhcp6_vendor_class; | |
161 | struct in6_addr dhcp6_pd_address; | |
162 | DHCP6ClientStartMode dhcp6_without_ra; | |
163 | OrderedHashmap *dhcp6_client_send_options; | |
164 | OrderedHashmap *dhcp6_client_send_vendor_options; | |
165 | Set *dhcp6_request_options; | |
166 | ||
167 | /* DHCP Server Support */ | |
168 | bool dhcp_server; | |
169 | NetworkDHCPServerEmitAddress dhcp_server_emit[_SD_DHCP_LEASE_SERVER_TYPE_MAX]; | |
170 | bool dhcp_server_emit_router; | |
171 | bool dhcp_server_emit_timezone; | |
172 | char *dhcp_server_timezone; | |
173 | usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec; | |
174 | uint32_t dhcp_server_pool_offset; | |
175 | uint32_t dhcp_server_pool_size; | |
176 | ||
177 | /* link local addressing support */ | |
178 | AddressFamily link_local; | |
179 | IPv6LinkLocalAddressGenMode ipv6ll_address_gen_mode; | |
180 | bool ipv4ll_route; | |
181 | ||
182 | bool default_route_on_device; | |
183 | ||
184 | /* IPv6 prefix delegation support */ | |
185 | RADVPrefixDelegation router_prefix_delegation; | |
186 | int64_t router_prefix_subnet_id; | |
187 | usec_t router_lifetime_usec; | |
188 | uint8_t router_preference; | |
189 | bool router_managed; | |
190 | bool router_other_information; | |
191 | bool router_emit_dns; | |
192 | bool router_emit_domains; | |
193 | usec_t router_dns_lifetime_usec; | |
194 | struct in6_addr *router_dns; | |
195 | unsigned n_router_dns; | |
196 | OrderedSet *router_search_domains; | |
197 | bool dhcp6_force_pd_other_information; /* Start DHCPv6 PD also when 'O' | |
198 | RA flag is set, see RFC 7084, | |
199 | WPD-4 */ | |
200 | bool dhcp6_pd_assign_prefix; | |
201 | union in_addr_union dhcp6_delegation_prefix_token; | |
202 | ||
203 | /* Bridge Support */ | |
204 | int use_bpdu; | |
205 | int hairpin; | |
206 | int fast_leave; | |
207 | int allow_port_to_be_root; | |
208 | int unicast_flood; | |
209 | int multicast_flood; | |
210 | int multicast_to_unicast; | |
211 | int neighbor_suppression; | |
212 | int learning; | |
213 | int bridge_proxy_arp; | |
214 | int bridge_proxy_arp_wifi; | |
215 | uint32_t cost; | |
216 | uint16_t priority; | |
217 | MulticastRouter multicast_router; | |
218 | ||
219 | bool use_br_vlan; | |
220 | uint16_t pvid; | |
221 | uint32_t br_vid_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
222 | uint32_t br_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
223 | ||
224 | /* CAN support */ | |
225 | uint32_t can_bitrate; | |
226 | unsigned can_sample_point; | |
227 | uint32_t can_data_bitrate; | |
228 | unsigned can_data_sample_point; | |
229 | usec_t can_restart_us; | |
230 | int can_triple_sampling; | |
231 | int can_termination; | |
232 | int can_listen_only; | |
233 | int can_fd_mode; | |
234 | int can_non_iso; | |
235 | ||
236 | AddressFamily ip_forward; | |
237 | bool ip_masquerade; | |
238 | int ipv4_accept_local; | |
239 | ||
240 | int ipv6_accept_ra; | |
241 | int ipv6_dad_transmits; | |
242 | int ipv6_hop_limit; | |
243 | int ipv6_proxy_ndp; | |
244 | int proxy_arp; | |
245 | uint32_t ipv6_mtu; | |
246 | ||
247 | bool ipv6_accept_ra_use_dns; | |
248 | bool ipv6_accept_ra_use_autonomous_prefix; | |
249 | bool ipv6_accept_ra_use_onlink_prefix; | |
250 | bool active_slave; | |
251 | bool primary_slave; | |
252 | bool ipv6_accept_ra_route_table_set; | |
253 | DHCPUseDomains ipv6_accept_ra_use_domains; | |
254 | IPv6AcceptRAStartDHCP6Client ipv6_accept_ra_start_dhcp6_client; | |
255 | uint32_t ipv6_accept_ra_route_table; | |
256 | Set *ndisc_deny_listed_prefix; | |
257 | OrderedHashmap *ipv6_tokens; | |
258 | ||
259 | IPv6PrivacyExtensions ipv6_privacy_extensions; | |
260 | ||
261 | struct ether_addr *mac; | |
262 | uint32_t mtu; | |
263 | uint32_t group; | |
264 | int arp; | |
265 | int multicast; | |
266 | int allmulticast; | |
267 | bool unmanaged; | |
268 | bool configure_without_carrier; | |
269 | int ignore_carrier_loss; | |
270 | KeepConfiguration keep_configuration; | |
271 | uint32_t iaid; | |
272 | DUID duid; | |
273 | ||
274 | bool iaid_set; | |
275 | ||
276 | bool required_for_online; /* Is this network required to be considered online? */ | |
277 | LinkOperationalStateRange required_operstate_for_online; | |
278 | ||
279 | /* LLDP support */ | |
280 | LLDPMode lldp_mode; /* LLDP reception */ | |
281 | LLDPEmit lldp_emit; /* LLDP transmission */ | |
282 | char *lldp_mud; /* LLDP MUD URL */ | |
283 | ||
284 | LIST_HEAD(Address, static_addresses); | |
285 | LIST_HEAD(Route, static_routes); | |
286 | LIST_HEAD(NextHop, static_nexthops); | |
287 | LIST_HEAD(FdbEntry, static_fdb_entries); | |
288 | LIST_HEAD(IPv6ProxyNDPAddress, ipv6_proxy_ndp_addresses); | |
289 | LIST_HEAD(Neighbor, neighbors); | |
290 | LIST_HEAD(AddressLabel, address_labels); | |
291 | LIST_HEAD(Prefix, static_prefixes); | |
292 | LIST_HEAD(RoutePrefix, static_route_prefixes); | |
293 | LIST_HEAD(RoutingPolicyRule, rules); | |
294 | ||
295 | unsigned n_static_addresses; | |
296 | unsigned n_static_routes; | |
297 | unsigned n_static_nexthops; | |
298 | unsigned n_static_fdb_entries; | |
299 | unsigned n_ipv6_proxy_ndp_addresses; | |
300 | unsigned n_neighbors; | |
301 | unsigned n_address_labels; | |
302 | unsigned n_static_prefixes; | |
303 | unsigned n_static_route_prefixes; | |
304 | unsigned n_rules; | |
305 | ||
306 | Hashmap *addresses_by_section; | |
307 | Hashmap *routes_by_section; | |
308 | Hashmap *nexthops_by_section; | |
309 | Hashmap *fdb_entries_by_section; | |
310 | Hashmap *neighbors_by_section; | |
311 | Hashmap *address_labels_by_section; | |
312 | Hashmap *prefixes_by_section; | |
313 | Hashmap *route_prefixes_by_section; | |
314 | Hashmap *rules_by_section; | |
315 | OrderedHashmap *tc_by_section; | |
316 | OrderedHashmap *sr_iov_by_section; | |
317 | ||
318 | /* All kinds of DNS configuration */ | |
319 | struct in_addr_data *dns; | |
320 | unsigned n_dns; | |
321 | OrderedSet *search_domains, *route_domains; | |
322 | ||
323 | int dns_default_route; | |
324 | ResolveSupport llmnr; | |
325 | ResolveSupport mdns; | |
326 | DnssecMode dnssec_mode; | |
327 | DnsOverTlsMode dns_over_tls_mode; | |
328 | Set *dnssec_negative_trust_anchors; | |
329 | ||
330 | char **ntp; | |
331 | char **bind_carrier; | |
332 | }; | |
333 | ||
334 | Network *network_ref(Network *network); | |
335 | Network *network_unref(Network *network); | |
336 | DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_unref); | |
337 | ||
338 | int network_load(Manager *manager, OrderedHashmap **networks); | |
339 | int network_reload(Manager *manager); | |
340 | int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename); | |
341 | int network_verify(Network *network); | |
342 | ||
343 | int network_get_by_name(Manager *manager, const char *name, Network **ret); | |
344 | int network_get(Manager *manager, unsigned short iftype, sd_device *device, | |
345 | const char *ifname, char * const *alternative_names, const char *driver, | |
346 | const struct ether_addr *mac, const struct ether_addr *permanent_mac, | |
347 | enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, | |
348 | Network **ret); | |
349 | int network_apply(Network *network, Link *link); | |
350 | void network_apply_anonymize_if_set(Network *network); | |
351 | ||
352 | bool network_has_static_ipv6_configurations(Network *network); | |
353 | ||
354 | CONFIG_PARSER_PROTOTYPE(config_parse_stacked_netdev); | |
355 | CONFIG_PARSER_PROTOTYPE(config_parse_tunnel); | |
356 | CONFIG_PARSER_PROTOTYPE(config_parse_ipv6token); | |
357 | CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_privacy_extensions); | |
358 | CONFIG_PARSER_PROTOTYPE(config_parse_domains); | |
359 | CONFIG_PARSER_PROTOTYPE(config_parse_dns); | |
360 | CONFIG_PARSER_PROTOTYPE(config_parse_hostname); | |
361 | CONFIG_PARSER_PROTOTYPE(config_parse_timezone); | |
362 | CONFIG_PARSER_PROTOTYPE(config_parse_dnssec_negative_trust_anchors); | |
363 | CONFIG_PARSER_PROTOTYPE(config_parse_ntp); | |
364 | CONFIG_PARSER_PROTOTYPE(config_parse_required_for_online); | |
365 | CONFIG_PARSER_PROTOTYPE(config_parse_keep_configuration); | |
366 | CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_link_local_address_gen_mode); | |
367 | ||
368 | const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, GPERF_LEN_TYPE length); | |
369 | ||
370 | const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_; | |
371 | IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_; | |
372 | ||
373 | const char* keep_configuration_to_string(KeepConfiguration i) _const_; | |
374 | KeepConfiguration keep_configuration_from_string(const char *s) _pure_; | |
375 | ||
376 | const char* ipv6_link_local_address_gen_mode_to_string(IPv6LinkLocalAddressGenMode s) _const_; | |
377 | IPv6LinkLocalAddressGenMode ipv6_link_local_address_gen_mode_from_string(const char *s) _pure_; |