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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
fc2f9534 LP |
2 | #pragma once |
3 | ||
4 | /*** | |
96b2fb93 | 5 | Copyright © 2013 Tom Gundersen <teg@jklm.no> |
fc2f9534 LP |
6 | ***/ |
7 | ||
634f0f98 ZJS |
8 | #include "sd-bus.h" |
9 | #include "udev.h" | |
10 | ||
fc2f9534 | 11 | #include "condition.h" |
a2106925 | 12 | #include "conf-parser.h" |
634f0f98 ZJS |
13 | #include "dhcp-identifier.h" |
14 | #include "hashmap.h" | |
a2106925 | 15 | #include "netdev/netdev.h" |
95b74ef6 | 16 | #include "networkd-address-label.h" |
a2106925 | 17 | #include "networkd-address.h" |
13b498f9 | 18 | #include "networkd-brvlan.h" |
fc2f9534 | 19 | #include "networkd-fdb.h" |
a0e5c15d | 20 | #include "networkd-ipv6-proxy-ndp.h" |
a2106925 | 21 | #include "networkd-lldp-tx.h" |
6e849e95 | 22 | #include "networkd-radv.h" |
71d35b6b | 23 | #include "networkd-route.h" |
bce67bbe | 24 | #include "networkd-routing-policy-rule.h" |
fc2f9534 | 25 | #include "networkd-util.h" |
a2106925 | 26 | #include "resolve-util.h" |
fc2f9534 LP |
27 | |
28 | #define DHCP_ROUTE_METRIC 1024 | |
29 | #define IPV4LL_ROUTE_METRIC 2048 | |
30 | ||
13b498f9 TJ |
31 | #define BRIDGE_VLAN_BITMAP_MAX 4096 |
32 | #define BRIDGE_VLAN_BITMAP_LEN (BRIDGE_VLAN_BITMAP_MAX / 32) | |
33 | ||
499d555a | 34 | typedef enum DHCPClientIdentifier { |
fc2f9534 LP |
35 | DHCP_CLIENT_ID_MAC, |
36 | DHCP_CLIENT_ID_DUID, | |
dace710c YW |
37 | /* The following option may not be good for RFC regarding DHCP (3315 and 4361). |
38 | * But some setups require this. E.g., Sky Broadband, the second largest provider in the UK | |
39 | * requires the client id to be set to a custom string, reported at | |
40 | * https://github.com/systemd/systemd/issues/7828 */ | |
41 | DHCP_CLIENT_ID_DUID_ONLY, | |
fc2f9534 LP |
42 | _DHCP_CLIENT_ID_MAX, |
43 | _DHCP_CLIENT_ID_INVALID = -1, | |
499d555a | 44 | } DHCPClientIdentifier; |
fc2f9534 LP |
45 | |
46 | typedef enum IPv6PrivacyExtensions { | |
47 | /* The values map to the kernel's /proc/sys/net/ipv6/conf/xxx/use_tempaddr values */ | |
48 | IPV6_PRIVACY_EXTENSIONS_NO, | |
49 | IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC, | |
50 | IPV6_PRIVACY_EXTENSIONS_YES, /* aka prefer-temporary */ | |
51 | _IPV6_PRIVACY_EXTENSIONS_MAX, | |
52 | _IPV6_PRIVACY_EXTENSIONS_INVALID = -1, | |
53 | } IPv6PrivacyExtensions; | |
54 | ||
b2a81c0b LP |
55 | typedef enum DHCPUseDomains { |
56 | DHCP_USE_DOMAINS_NO, | |
57 | DHCP_USE_DOMAINS_YES, | |
58 | DHCP_USE_DOMAINS_ROUTE, | |
59 | _DHCP_USE_DOMAINS_MAX, | |
60 | _DHCP_USE_DOMAINS_INVALID = -1, | |
61 | } DHCPUseDomains; | |
62 | ||
34437b4f LP |
63 | typedef enum LLDPMode { |
64 | LLDP_MODE_NO = 0, | |
65 | LLDP_MODE_YES = 1, | |
66 | LLDP_MODE_ROUTERS_ONLY = 2, | |
67 | _LLDP_MODE_MAX, | |
68 | _LLDP_MODE_INVALID = -1, | |
69 | } LLDPMode; | |
70 | ||
8341a5c3 ZJS |
71 | typedef struct DUID { |
72 | /* Value of Type in [DHCP] section */ | |
73 | DUIDType type; | |
74 | ||
75 | uint8_t raw_data_len; | |
76 | uint8_t raw_data[MAX_DUID_LEN]; | |
77 | } DUID; | |
78 | ||
56a23cb4 PF |
79 | typedef enum RADVPrefixDelegation { |
80 | RADV_PREFIX_DELEGATION_NONE, | |
81 | RADV_PREFIX_DELEGATION_STATIC, | |
82 | RADV_PREFIX_DELEGATION_DHCP6, | |
83 | RADV_PREFIX_DELEGATION_BOTH, | |
84 | } RADVPrefixDelegation; | |
85 | ||
f4859fc7 SS |
86 | typedef struct NetworkConfigSection { |
87 | unsigned line; | |
88 | char filename[]; | |
89 | } NetworkConfigSection; | |
90 | ||
91 | int network_config_section_new(const char *filename, unsigned line, NetworkConfigSection **s); | |
92 | void network_config_section_free(NetworkConfigSection *network); | |
93 | ||
94 | DEFINE_TRIVIAL_CLEANUP_FUNC(NetworkConfigSection*, network_config_section_free); | |
f4859fc7 | 95 | |
634f0f98 ZJS |
96 | typedef struct Manager Manager; |
97 | ||
fc2f9534 LP |
98 | struct Network { |
99 | Manager *manager; | |
100 | ||
101 | char *filename; | |
102 | char *name; | |
103 | ||
e90d0374 | 104 | Set *match_mac; |
fc2f9534 LP |
105 | char **match_path; |
106 | char **match_driver; | |
107 | char **match_type; | |
108 | char **match_name; | |
109 | ||
110 | Condition *match_host; | |
111 | Condition *match_virt; | |
5022f08a LP |
112 | Condition *match_kernel_cmdline; |
113 | Condition *match_kernel_version; | |
fc2f9534 LP |
114 | Condition *match_arch; |
115 | ||
116 | char *description; | |
117 | ||
118 | NetDev *bridge; | |
119 | NetDev *bond; | |
6cb955c6 | 120 | NetDev *vrf; |
fc2f9534 LP |
121 | Hashmap *stacked_netdevs; |
122 | ||
123 | /* DHCP Client Support */ | |
124 | AddressFamilyBoolean dhcp; | |
499d555a | 125 | DHCPClientIdentifier dhcp_client_identifier; |
fc2f9534 | 126 | char *dhcp_vendor_class_identifier; |
af1c0de0 | 127 | char **dhcp_user_class; |
27cb34f5 | 128 | char *dhcp_hostname; |
94e9bd57 LP |
129 | unsigned dhcp_route_metric; |
130 | uint32_t dhcp_route_table; | |
9c77d107 | 131 | uint16_t dhcp_client_port; |
7585baa0 | 132 | bool dhcp_anonymize; |
27cb34f5 | 133 | bool dhcp_send_hostname; |
fc2f9534 LP |
134 | bool dhcp_broadcast; |
135 | bool dhcp_critical; | |
94e9bd57 LP |
136 | bool dhcp_use_dns; |
137 | bool dhcp_use_ntp; | |
138 | bool dhcp_use_mtu; | |
27cb34f5 LP |
139 | bool dhcp_use_routes; |
140 | bool dhcp_use_timezone; | |
fb5c8216 | 141 | bool rapid_commit; |
94e9bd57 | 142 | bool dhcp_use_hostname; |
fc1ba79d | 143 | bool dhcp_route_table_set; |
94e9bd57 | 144 | DHCPUseDomains dhcp_use_domains; |
fc2f9534 LP |
145 | |
146 | /* DHCP Server Support */ | |
147 | bool dhcp_server; | |
1a04db0f LP |
148 | bool dhcp_server_emit_dns; |
149 | struct in_addr *dhcp_server_dns; | |
150 | unsigned n_dhcp_server_dns; | |
151 | bool dhcp_server_emit_ntp; | |
152 | struct in_addr *dhcp_server_ntp; | |
153 | unsigned n_dhcp_server_ntp; | |
77ff6022 | 154 | bool dhcp_server_emit_router; |
fc2f9534 | 155 | bool dhcp_server_emit_timezone; |
1a04db0f | 156 | char *dhcp_server_timezone; |
fc2f9534 | 157 | usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec; |
9b3a67c5 TG |
158 | uint32_t dhcp_server_pool_offset; |
159 | uint32_t dhcp_server_pool_size; | |
fc2f9534 LP |
160 | |
161 | /* IPV4LL Support */ | |
162 | AddressFamilyBoolean link_local; | |
163 | bool ipv4ll_route; | |
164 | ||
7d5cac19 | 165 | /* IPv6 prefix delegation support */ |
56a23cb4 | 166 | RADVPrefixDelegation router_prefix_delegation; |
7d5cac19 PF |
167 | usec_t router_lifetime_usec; |
168 | uint8_t router_preference; | |
169 | bool router_managed; | |
170 | bool router_other_information; | |
9e25315c PF |
171 | bool router_emit_dns; |
172 | bool router_emit_domains; | |
88295a05 PF |
173 | usec_t router_dns_lifetime_usec; |
174 | struct in6_addr *router_dns; | |
175 | unsigned n_router_dns; | |
700f1186 | 176 | char **router_search_domains; |
7d5cac19 | 177 | |
fc2f9534 | 178 | /* Bridge Support */ |
7f9915f0 SS |
179 | int use_bpdu; |
180 | int hairpin; | |
181 | int fast_leave; | |
182 | int allow_port_to_be_root; | |
183 | int unicast_flood; | |
b56be296 DJL |
184 | uint32_t cost; |
185 | uint16_t priority; | |
fc2f9534 | 186 | |
ffff9abe | 187 | bool use_br_vlan; |
13b498f9 TJ |
188 | uint16_t pvid; |
189 | uint32_t br_vid_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
190 | uint32_t br_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
191 | ||
06828bb6 HP |
192 | /* CAN support */ |
193 | size_t can_bitrate; | |
194 | unsigned can_sample_point; | |
195 | usec_t can_restart_us; | |
196 | ||
fc2f9534 LP |
197 | AddressFamilyBoolean ip_forward; |
198 | bool ip_masquerade; | |
199 | ||
4f2e437a | 200 | int ipv6_accept_ra; |
8749cbcd | 201 | int ipv6_dad_transmits; |
b69c3180 | 202 | int ipv6_hop_limit; |
465dfe59 | 203 | int ipv6_proxy_ndp; |
23d8b221 | 204 | int proxy_arp; |
4e964aa0 | 205 | uint32_t ipv6_mtu; |
4f2e437a | 206 | |
1e7a0e21 | 207 | bool ipv6_accept_ra_use_dns; |
eb64b435 SS |
208 | bool active_slave; |
209 | bool primary_slave; | |
1e7a0e21 | 210 | DHCPUseDomains ipv6_accept_ra_use_domains; |
2ba31d29 | 211 | uint32_t ipv6_accept_ra_route_table; |
1e7a0e21 | 212 | |
fc2f9534 LP |
213 | union in_addr_union ipv6_token; |
214 | IPv6PrivacyExtensions ipv6_privacy_extensions; | |
215 | ||
216 | struct ether_addr *mac; | |
4e964aa0 | 217 | uint32_t mtu; |
99d2baa2 | 218 | int arp; |
e6ebebbe | 219 | int multicast; |
866e6b7a | 220 | int allmulticast; |
a09dc546 | 221 | bool unmanaged; |
dad2d78e | 222 | bool configure_without_carrier; |
413708d1 | 223 | uint32_t iaid; |
8341a5c3 | 224 | DUID duid; |
fc2f9534 | 225 | |
c1a38904 MTL |
226 | bool required_for_online; /* Is this network required to be considered online? */ |
227 | ||
8e1ad1ea | 228 | LLDPMode lldp_mode; /* LLDP reception */ |
7272b25e | 229 | LLDPEmit lldp_emit; /* LLDP transmission */ |
fc2f9534 LP |
230 | |
231 | LIST_HEAD(Address, static_addresses); | |
232 | LIST_HEAD(Route, static_routes); | |
233 | LIST_HEAD(FdbEntry, static_fdb_entries); | |
a0e5c15d | 234 | LIST_HEAD(IPv6ProxyNDPAddress, ipv6_proxy_ndp_addresses); |
95b74ef6 | 235 | LIST_HEAD(AddressLabel, address_labels); |
057abfd8 | 236 | LIST_HEAD(Prefix, static_prefixes); |
bce67bbe | 237 | LIST_HEAD(RoutingPolicyRule, rules); |
fc2f9534 | 238 | |
8c34b963 LP |
239 | unsigned n_static_addresses; |
240 | unsigned n_static_routes; | |
241 | unsigned n_static_fdb_entries; | |
a0e5c15d | 242 | unsigned n_ipv6_proxy_ndp_addresses; |
95b74ef6 | 243 | unsigned n_address_labels; |
057abfd8 | 244 | unsigned n_static_prefixes; |
bce67bbe | 245 | unsigned n_rules; |
8c34b963 | 246 | |
fc2f9534 LP |
247 | Hashmap *addresses_by_section; |
248 | Hashmap *routes_by_section; | |
249 | Hashmap *fdb_entries_by_section; | |
95b74ef6 | 250 | Hashmap *address_labels_by_section; |
057abfd8 | 251 | Hashmap *prefixes_by_section; |
bce67bbe | 252 | Hashmap *rules_by_section; |
fc2f9534 | 253 | |
5512a963 LP |
254 | struct in_addr_data *dns; |
255 | unsigned n_dns; | |
256 | ||
257 | char **search_domains, **route_domains, **ntp, **bind_carrier; | |
fc2f9534 LP |
258 | |
259 | ResolveSupport llmnr; | |
aaa297d4 | 260 | ResolveSupport mdns; |
ad6c0475 | 261 | DnssecMode dnssec_mode; |
c9299be2 | 262 | DnsOverTlsMode dns_over_tls_mode; |
8a516214 | 263 | Set *dnssec_negative_trust_anchors; |
fc2f9534 LP |
264 | |
265 | LIST_FIELDS(Network, networks); | |
266 | }; | |
267 | ||
268 | void network_free(Network *network); | |
269 | ||
270 | DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free); | |
fc2f9534 LP |
271 | |
272 | int network_load(Manager *manager); | |
273 | ||
274 | int network_get_by_name(Manager *manager, const char *name, Network **ret); | |
275 | int network_get(Manager *manager, struct udev_device *device, const char *ifname, const struct ether_addr *mac, Network **ret); | |
7d342c03 | 276 | int network_apply(Network *network, Link *link); |
add8d07d | 277 | void network_apply_anonymize_if_set(Network *network); |
fc2f9534 | 278 | |
439689c6 SS |
279 | bool network_has_static_ipv6_addresses(Network *network); |
280 | ||
a2106925 LP |
281 | CONFIG_PARSER_PROTOTYPE(config_parse_netdev); |
282 | CONFIG_PARSER_PROTOTYPE(config_parse_domains); | |
283 | CONFIG_PARSER_PROTOTYPE(config_parse_tunnel); | |
284 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp); | |
285 | CONFIG_PARSER_PROTOTYPE(config_parse_dns); | |
286 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_client_identifier); | |
287 | CONFIG_PARSER_PROTOTYPE(config_parse_ipv6token); | |
288 | CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_privacy_extensions); | |
289 | CONFIG_PARSER_PROTOTYPE(config_parse_hostname); | |
290 | CONFIG_PARSER_PROTOTYPE(config_parse_timezone); | |
291 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_server_dns); | |
292 | CONFIG_PARSER_PROTOTYPE(config_parse_radv_dns); | |
293 | CONFIG_PARSER_PROTOTYPE(config_parse_radv_search_domains); | |
294 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_server_ntp); | |
295 | CONFIG_PARSER_PROTOTYPE(config_parse_dnssec_negative_trust_anchors); | |
296 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_use_domains); | |
297 | CONFIG_PARSER_PROTOTYPE(config_parse_lldp_mode); | |
298 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_route_table); | |
299 | CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_user_class); | |
300 | CONFIG_PARSER_PROTOTYPE(config_parse_ntp); | |
fc2f9534 | 301 | /* Legacy IPv4LL support */ |
a2106925 | 302 | CONFIG_PARSER_PROTOTYPE(config_parse_ipv4ll); |
fc2f9534 | 303 | |
c9f7b4d3 | 304 | const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, GPERF_LEN_TYPE length); |
fc2f9534 LP |
305 | |
306 | extern const sd_bus_vtable network_vtable[]; | |
307 | ||
308 | int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error); | |
309 | int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error); | |
310 | ||
311 | const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_; | |
312 | IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_; | |
b2a81c0b LP |
313 | |
314 | const char* dhcp_use_domains_to_string(DHCPUseDomains p) _const_; | |
315 | DHCPUseDomains dhcp_use_domains_from_string(const char *s) _pure_; | |
34437b4f LP |
316 | |
317 | const char* lldp_mode_to_string(LLDPMode m) _const_; | |
318 | LLDPMode lldp_mode_from_string(const char *s) _pure_; |