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52ad194e | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
d9dfd233 MP |
2 | #pragma once |
3 | ||
aa27b158 | 4 | #include "sd-bus.h" |
6e866b33 | 5 | #include "sd-device.h" |
aa27b158 | 6 | |
d9dfd233 | 7 | #include "condition.h" |
b012e921 | 8 | #include "conf-parser.h" |
aa27b158 MP |
9 | #include "dhcp-identifier.h" |
10 | #include "hashmap.h" | |
b012e921 | 11 | #include "netdev/netdev.h" |
81c58355 | 12 | #include "networkd-address-label.h" |
b012e921 | 13 | #include "networkd-address.h" |
5a920b42 | 14 | #include "networkd-brvlan.h" |
d9dfd233 | 15 | #include "networkd-fdb.h" |
2897b343 | 16 | #include "networkd-ipv6-proxy-ndp.h" |
b012e921 | 17 | #include "networkd-lldp-tx.h" |
6e866b33 | 18 | #include "networkd-neighbor.h" |
1d42b86d | 19 | #include "networkd-radv.h" |
4c89c718 | 20 | #include "networkd-route.h" |
f5e65279 | 21 | #include "networkd-routing-policy-rule.h" |
d9dfd233 | 22 | #include "networkd-util.h" |
bb4f798a | 23 | #include "ordered-set.h" |
b012e921 | 24 | #include "resolve-util.h" |
d9dfd233 MP |
25 | |
26 | #define DHCP_ROUTE_METRIC 1024 | |
27 | #define IPV4LL_ROUTE_METRIC 2048 | |
28 | ||
5a920b42 MP |
29 | #define BRIDGE_VLAN_BITMAP_MAX 4096 |
30 | #define BRIDGE_VLAN_BITMAP_LEN (BRIDGE_VLAN_BITMAP_MAX / 32) | |
31 | ||
f5e65279 | 32 | typedef enum DHCPClientIdentifier { |
d9dfd233 MP |
33 | DHCP_CLIENT_ID_MAC, |
34 | DHCP_CLIENT_ID_DUID, | |
b012e921 MB |
35 | /* The following option may not be good for RFC regarding DHCP (3315 and 4361). |
36 | * But some setups require this. E.g., Sky Broadband, the second largest provider in the UK | |
37 | * requires the client id to be set to a custom string, reported at | |
38 | * https://github.com/systemd/systemd/issues/7828 */ | |
39 | DHCP_CLIENT_ID_DUID_ONLY, | |
d9dfd233 MP |
40 | _DHCP_CLIENT_ID_MAX, |
41 | _DHCP_CLIENT_ID_INVALID = -1, | |
f5e65279 | 42 | } DHCPClientIdentifier; |
d9dfd233 MP |
43 | |
44 | typedef enum IPv6PrivacyExtensions { | |
45 | /* The values map to the kernel's /proc/sys/net/ipv6/conf/xxx/use_tempaddr values */ | |
46 | IPV6_PRIVACY_EXTENSIONS_NO, | |
47 | IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC, | |
48 | IPV6_PRIVACY_EXTENSIONS_YES, /* aka prefer-temporary */ | |
49 | _IPV6_PRIVACY_EXTENSIONS_MAX, | |
50 | _IPV6_PRIVACY_EXTENSIONS_INVALID = -1, | |
51 | } IPv6PrivacyExtensions; | |
52 | ||
4c89c718 MP |
53 | typedef enum DHCPUseDomains { |
54 | DHCP_USE_DOMAINS_NO, | |
55 | DHCP_USE_DOMAINS_YES, | |
56 | DHCP_USE_DOMAINS_ROUTE, | |
57 | _DHCP_USE_DOMAINS_MAX, | |
58 | _DHCP_USE_DOMAINS_INVALID = -1, | |
59 | } DHCPUseDomains; | |
60 | ||
aa27b158 MP |
61 | typedef enum LLDPMode { |
62 | LLDP_MODE_NO = 0, | |
63 | LLDP_MODE_YES = 1, | |
64 | LLDP_MODE_ROUTERS_ONLY = 2, | |
65 | _LLDP_MODE_MAX, | |
66 | _LLDP_MODE_INVALID = -1, | |
67 | } LLDPMode; | |
68 | ||
69 | typedef struct DUID { | |
70 | /* Value of Type in [DHCP] section */ | |
71 | DUIDType type; | |
72 | ||
73 | uint8_t raw_data_len; | |
74 | uint8_t raw_data[MAX_DUID_LEN]; | |
6e866b33 | 75 | usec_t llt_time; |
aa27b158 MP |
76 | } DUID; |
77 | ||
1d42b86d MB |
78 | typedef enum RADVPrefixDelegation { |
79 | RADV_PREFIX_DELEGATION_NONE, | |
80 | RADV_PREFIX_DELEGATION_STATIC, | |
81 | RADV_PREFIX_DELEGATION_DHCP6, | |
82 | RADV_PREFIX_DELEGATION_BOTH, | |
6e866b33 MB |
83 | _RADV_PREFIX_DELEGATION_MAX, |
84 | _RADV_PREFIX_DELEGATION_INVALID = -1, | |
1d42b86d MB |
85 | } RADVPrefixDelegation; |
86 | ||
aa27b158 MP |
87 | typedef struct Manager Manager; |
88 | ||
d9dfd233 MP |
89 | struct Network { |
90 | Manager *manager; | |
91 | ||
92 | char *filename; | |
93 | char *name; | |
94 | ||
b012e921 | 95 | Set *match_mac; |
d9dfd233 MP |
96 | char **match_path; |
97 | char **match_driver; | |
98 | char **match_type; | |
99 | char **match_name; | |
bb4f798a | 100 | LIST_HEAD(Condition, conditions); |
d9dfd233 MP |
101 | |
102 | char *description; | |
103 | ||
104 | NetDev *bridge; | |
105 | NetDev *bond; | |
5a920b42 | 106 | NetDev *vrf; |
d9dfd233 | 107 | Hashmap *stacked_netdevs; |
bb4f798a MB |
108 | char *bridge_name; |
109 | char *bond_name; | |
110 | char *vrf_name; | |
111 | Hashmap *stacked_netdev_names; | |
d9dfd233 MP |
112 | |
113 | /* DHCP Client Support */ | |
114 | AddressFamilyBoolean dhcp; | |
f5e65279 | 115 | DHCPClientIdentifier dhcp_client_identifier; |
d9dfd233 | 116 | char *dhcp_vendor_class_identifier; |
b012e921 | 117 | char **dhcp_user_class; |
4c89c718 | 118 | char *dhcp_hostname; |
2897b343 MP |
119 | unsigned dhcp_route_metric; |
120 | uint32_t dhcp_route_table; | |
121 | uint16_t dhcp_client_port; | |
f5e65279 | 122 | bool dhcp_anonymize; |
4c89c718 | 123 | bool dhcp_send_hostname; |
d9dfd233 MP |
124 | bool dhcp_broadcast; |
125 | bool dhcp_critical; | |
2897b343 MP |
126 | bool dhcp_use_dns; |
127 | bool dhcp_use_ntp; | |
128 | bool dhcp_use_mtu; | |
4c89c718 MP |
129 | bool dhcp_use_routes; |
130 | bool dhcp_use_timezone; | |
1d42b86d | 131 | bool rapid_commit; |
2897b343 | 132 | bool dhcp_use_hostname; |
f5e65279 | 133 | bool dhcp_route_table_set; |
2897b343 | 134 | DHCPUseDomains dhcp_use_domains; |
d9dfd233 MP |
135 | |
136 | /* DHCP Server Support */ | |
137 | bool dhcp_server; | |
138 | bool dhcp_server_emit_dns; | |
139 | struct in_addr *dhcp_server_dns; | |
140 | unsigned n_dhcp_server_dns; | |
141 | bool dhcp_server_emit_ntp; | |
142 | struct in_addr *dhcp_server_ntp; | |
143 | unsigned n_dhcp_server_ntp; | |
aa27b158 | 144 | bool dhcp_server_emit_router; |
d9dfd233 MP |
145 | bool dhcp_server_emit_timezone; |
146 | char *dhcp_server_timezone; | |
147 | usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec; | |
148 | uint32_t dhcp_server_pool_offset; | |
149 | uint32_t dhcp_server_pool_size; | |
150 | ||
151 | /* IPV4LL Support */ | |
152 | AddressFamilyBoolean link_local; | |
153 | bool ipv4ll_route; | |
154 | ||
81c58355 | 155 | /* IPv6 prefix delegation support */ |
1d42b86d | 156 | RADVPrefixDelegation router_prefix_delegation; |
81c58355 MB |
157 | usec_t router_lifetime_usec; |
158 | uint8_t router_preference; | |
159 | bool router_managed; | |
160 | bool router_other_information; | |
52ad194e MB |
161 | bool router_emit_dns; |
162 | bool router_emit_domains; | |
f5e65279 MB |
163 | usec_t router_dns_lifetime_usec; |
164 | struct in6_addr *router_dns; | |
165 | unsigned n_router_dns; | |
bb4f798a | 166 | OrderedSet *router_search_domains; |
6e866b33 MB |
167 | bool dhcp6_force_pd_other_information; /* Start DHCPv6 PD also when 'O' |
168 | RA flag is set, see RFC 7084, | |
169 | WPD-4 */ | |
81c58355 | 170 | |
d9dfd233 | 171 | /* Bridge Support */ |
b012e921 MB |
172 | int use_bpdu; |
173 | int hairpin; | |
174 | int fast_leave; | |
175 | int allow_port_to_be_root; | |
176 | int unicast_flood; | |
bb4f798a | 177 | int multicast_flood; |
6e866b33 | 178 | int multicast_to_unicast; |
bb4f798a MB |
179 | int neighbor_suppression; |
180 | int learning; | |
81c58355 MB |
181 | uint32_t cost; |
182 | uint16_t priority; | |
d9dfd233 | 183 | |
8a584da2 | 184 | bool use_br_vlan; |
5a920b42 MP |
185 | uint16_t pvid; |
186 | uint32_t br_vid_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
187 | uint32_t br_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
188 | ||
b012e921 MB |
189 | /* CAN support */ |
190 | size_t can_bitrate; | |
191 | unsigned can_sample_point; | |
192 | usec_t can_restart_us; | |
bb4f798a | 193 | int can_triple_sampling; |
b012e921 | 194 | |
d9dfd233 MP |
195 | AddressFamilyBoolean ip_forward; |
196 | bool ip_masquerade; | |
197 | ||
6300502b | 198 | int ipv6_accept_ra; |
db2df898 MP |
199 | int ipv6_dad_transmits; |
200 | int ipv6_hop_limit; | |
81c58355 | 201 | int ipv6_proxy_ndp; |
aa27b158 | 202 | int proxy_arp; |
b012e921 | 203 | uint32_t ipv6_mtu; |
6300502b | 204 | |
5a920b42 | 205 | bool ipv6_accept_ra_use_dns; |
bb4f798a MB |
206 | bool ipv6_accept_ra_use_autonomous_prefix; |
207 | bool ipv6_accept_ra_use_onlink_prefix; | |
2897b343 MP |
208 | bool active_slave; |
209 | bool primary_slave; | |
5a920b42 | 210 | DHCPUseDomains ipv6_accept_ra_use_domains; |
8a584da2 | 211 | uint32_t ipv6_accept_ra_route_table; |
bb4f798a | 212 | bool ipv6_accept_ra_route_table_set; |
5a920b42 | 213 | |
d9dfd233 MP |
214 | union in_addr_union ipv6_token; |
215 | IPv6PrivacyExtensions ipv6_privacy_extensions; | |
216 | ||
217 | struct ether_addr *mac; | |
b012e921 | 218 | uint32_t mtu; |
bb4f798a | 219 | bool mtu_is_set; /* Indicate MTUBytes= is specified. */ |
8a584da2 | 220 | int arp; |
b012e921 MB |
221 | int multicast; |
222 | int allmulticast; | |
2897b343 | 223 | bool unmanaged; |
f5e65279 | 224 | bool configure_without_carrier; |
bb4f798a | 225 | bool ignore_carrier_loss; |
aa27b158 MP |
226 | uint32_t iaid; |
227 | DUID duid; | |
d9dfd233 | 228 | |
6e866b33 MB |
229 | bool iaid_set; |
230 | ||
52ad194e | 231 | bool required_for_online; /* Is this network required to be considered online? */ |
bb4f798a | 232 | LinkOperationalState required_operstate_for_online; |
52ad194e | 233 | |
aa27b158 MP |
234 | LLDPMode lldp_mode; /* LLDP reception */ |
235 | LLDPEmit lldp_emit; /* LLDP transmission */ | |
d9dfd233 MP |
236 | |
237 | LIST_HEAD(Address, static_addresses); | |
238 | LIST_HEAD(Route, static_routes); | |
239 | LIST_HEAD(FdbEntry, static_fdb_entries); | |
2897b343 | 240 | LIST_HEAD(IPv6ProxyNDPAddress, ipv6_proxy_ndp_addresses); |
6e866b33 | 241 | LIST_HEAD(Neighbor, neighbors); |
81c58355 MB |
242 | LIST_HEAD(AddressLabel, address_labels); |
243 | LIST_HEAD(Prefix, static_prefixes); | |
f5e65279 | 244 | LIST_HEAD(RoutingPolicyRule, rules); |
d9dfd233 | 245 | |
5a920b42 MP |
246 | unsigned n_static_addresses; |
247 | unsigned n_static_routes; | |
248 | unsigned n_static_fdb_entries; | |
2897b343 | 249 | unsigned n_ipv6_proxy_ndp_addresses; |
6e866b33 | 250 | unsigned n_neighbors; |
81c58355 MB |
251 | unsigned n_address_labels; |
252 | unsigned n_static_prefixes; | |
f5e65279 | 253 | unsigned n_rules; |
5a920b42 | 254 | |
d9dfd233 MP |
255 | Hashmap *addresses_by_section; |
256 | Hashmap *routes_by_section; | |
257 | Hashmap *fdb_entries_by_section; | |
6e866b33 | 258 | Hashmap *neighbors_by_section; |
81c58355 MB |
259 | Hashmap *address_labels_by_section; |
260 | Hashmap *prefixes_by_section; | |
f5e65279 | 261 | Hashmap *rules_by_section; |
d9dfd233 | 262 | |
6e866b33 | 263 | /* All kinds of DNS configuration */ |
2897b343 MP |
264 | struct in_addr_data *dns; |
265 | unsigned n_dns; | |
bb4f798a MB |
266 | OrderedSet *search_domains, *route_domains; |
267 | ||
6e866b33 | 268 | int dns_default_route; |
d9dfd233 | 269 | ResolveSupport llmnr; |
4c89c718 MP |
270 | ResolveSupport mdns; |
271 | DnssecMode dnssec_mode; | |
b012e921 | 272 | DnsOverTlsMode dns_over_tls_mode; |
4c89c718 | 273 | Set *dnssec_negative_trust_anchors; |
d9dfd233 | 274 | |
6e866b33 MB |
275 | char **ntp; |
276 | char **bind_carrier; | |
277 | ||
d9dfd233 MP |
278 | LIST_FIELDS(Network, networks); |
279 | }; | |
280 | ||
281 | void network_free(Network *network); | |
282 | ||
283 | DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free); | |
d9dfd233 MP |
284 | |
285 | int network_load(Manager *manager); | |
6e866b33 | 286 | int network_load_one(Manager *manager, const char *filename); |
bb4f798a | 287 | int network_verify(Network *network); |
d9dfd233 MP |
288 | |
289 | int network_get_by_name(Manager *manager, const char *name, Network **ret); | |
6e866b33 | 290 | int network_get(Manager *manager, sd_device *device, const char *ifname, const struct ether_addr *mac, Network **ret); |
2897b343 | 291 | int network_apply(Network *network, Link *link); |
f5e65279 | 292 | void network_apply_anonymize_if_set(Network *network); |
d9dfd233 | 293 | |
aa27b158 MP |
294 | bool network_has_static_ipv6_addresses(Network *network); |
295 | ||
bb4f798a | 296 | CONFIG_PARSER_PROTOTYPE(config_parse_stacked_netdev); |
b012e921 MB |
297 | CONFIG_PARSER_PROTOTYPE(config_parse_domains); |
298 | CONFIG_PARSER_PROTOTYPE(config_parse_tunnel); | |
299 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp); | |
300 | CONFIG_PARSER_PROTOTYPE(config_parse_dns); | |
301 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_client_identifier); | |
302 | CONFIG_PARSER_PROTOTYPE(config_parse_ipv6token); | |
303 | CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_privacy_extensions); | |
304 | CONFIG_PARSER_PROTOTYPE(config_parse_hostname); | |
305 | CONFIG_PARSER_PROTOTYPE(config_parse_timezone); | |
306 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_server_dns); | |
307 | CONFIG_PARSER_PROTOTYPE(config_parse_radv_dns); | |
308 | CONFIG_PARSER_PROTOTYPE(config_parse_radv_search_domains); | |
309 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_server_ntp); | |
310 | CONFIG_PARSER_PROTOTYPE(config_parse_dnssec_negative_trust_anchors); | |
311 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_use_domains); | |
312 | CONFIG_PARSER_PROTOTYPE(config_parse_lldp_mode); | |
bb4f798a | 313 | CONFIG_PARSER_PROTOTYPE(config_parse_section_route_table); |
b012e921 MB |
314 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_user_class); |
315 | CONFIG_PARSER_PROTOTYPE(config_parse_ntp); | |
6e866b33 | 316 | CONFIG_PARSER_PROTOTYPE(config_parse_iaid); |
bb4f798a | 317 | CONFIG_PARSER_PROTOTYPE(config_parse_required_for_online); |
d9dfd233 | 318 | /* Legacy IPv4LL support */ |
b012e921 | 319 | CONFIG_PARSER_PROTOTYPE(config_parse_ipv4ll); |
d9dfd233 | 320 | |
2897b343 | 321 | const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, GPERF_LEN_TYPE length); |
d9dfd233 MP |
322 | |
323 | extern const sd_bus_vtable network_vtable[]; | |
324 | ||
325 | int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error); | |
326 | int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error); | |
327 | ||
328 | const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_; | |
329 | IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_; | |
4c89c718 MP |
330 | |
331 | const char* dhcp_use_domains_to_string(DHCPUseDomains p) _const_; | |
332 | DHCPUseDomains dhcp_use_domains_from_string(const char *s) _pure_; | |
aa27b158 MP |
333 | |
334 | const char* lldp_mode_to_string(LLDPMode m) _const_; | |
335 | LLDPMode lldp_mode_from_string(const char *s) _pure_; | |
6e866b33 MB |
336 | |
337 | const char* radv_prefix_delegation_to_string(RADVPrefixDelegation i) _const_; | |
338 | RADVPrefixDelegation radv_prefix_delegation_from_string(const char *s) _pure_; |