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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
fc2f9534 LP |
2 | #pragma once |
3 | ||
4 | /*** | |
5 | This file is part of systemd. | |
6 | ||
7 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
fc2f9534 LP |
8 | ***/ |
9 | ||
634f0f98 ZJS |
10 | #include "sd-bus.h" |
11 | #include "udev.h" | |
12 | ||
fc2f9534 | 13 | #include "condition.h" |
634f0f98 ZJS |
14 | #include "dhcp-identifier.h" |
15 | #include "hashmap.h" | |
af49ca27 | 16 | #include "resolve-util.h" |
fc2f9534 | 17 | |
fc2f9534 | 18 | #include "networkd-address.h" |
95b74ef6 | 19 | #include "networkd-address-label.h" |
13b498f9 | 20 | #include "networkd-brvlan.h" |
fc2f9534 | 21 | #include "networkd-fdb.h" |
7272b25e | 22 | #include "networkd-lldp-tx.h" |
a0e5c15d | 23 | #include "networkd-ipv6-proxy-ndp.h" |
6e849e95 | 24 | #include "networkd-radv.h" |
71d35b6b | 25 | #include "networkd-route.h" |
bce67bbe | 26 | #include "networkd-routing-policy-rule.h" |
fc2f9534 | 27 | #include "networkd-util.h" |
441e9ae4 | 28 | #include "netdev/netdev.h" |
fc2f9534 LP |
29 | |
30 | #define DHCP_ROUTE_METRIC 1024 | |
31 | #define IPV4LL_ROUTE_METRIC 2048 | |
32 | ||
13b498f9 TJ |
33 | #define BRIDGE_VLAN_BITMAP_MAX 4096 |
34 | #define BRIDGE_VLAN_BITMAP_LEN (BRIDGE_VLAN_BITMAP_MAX / 32) | |
35 | ||
11102cba SS |
36 | #define IPV6_MIN_MTU 1280 |
37 | ||
499d555a | 38 | typedef enum DHCPClientIdentifier { |
fc2f9534 LP |
39 | DHCP_CLIENT_ID_MAC, |
40 | DHCP_CLIENT_ID_DUID, | |
dace710c YW |
41 | /* The following option may not be good for RFC regarding DHCP (3315 and 4361). |
42 | * But some setups require this. E.g., Sky Broadband, the second largest provider in the UK | |
43 | * requires the client id to be set to a custom string, reported at | |
44 | * https://github.com/systemd/systemd/issues/7828 */ | |
45 | DHCP_CLIENT_ID_DUID_ONLY, | |
fc2f9534 LP |
46 | _DHCP_CLIENT_ID_MAX, |
47 | _DHCP_CLIENT_ID_INVALID = -1, | |
499d555a | 48 | } DHCPClientIdentifier; |
fc2f9534 LP |
49 | |
50 | typedef enum IPv6PrivacyExtensions { | |
51 | /* The values map to the kernel's /proc/sys/net/ipv6/conf/xxx/use_tempaddr values */ | |
52 | IPV6_PRIVACY_EXTENSIONS_NO, | |
53 | IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC, | |
54 | IPV6_PRIVACY_EXTENSIONS_YES, /* aka prefer-temporary */ | |
55 | _IPV6_PRIVACY_EXTENSIONS_MAX, | |
56 | _IPV6_PRIVACY_EXTENSIONS_INVALID = -1, | |
57 | } IPv6PrivacyExtensions; | |
58 | ||
b2a81c0b LP |
59 | typedef enum DHCPUseDomains { |
60 | DHCP_USE_DOMAINS_NO, | |
61 | DHCP_USE_DOMAINS_YES, | |
62 | DHCP_USE_DOMAINS_ROUTE, | |
63 | _DHCP_USE_DOMAINS_MAX, | |
64 | _DHCP_USE_DOMAINS_INVALID = -1, | |
65 | } DHCPUseDomains; | |
66 | ||
34437b4f LP |
67 | typedef enum LLDPMode { |
68 | LLDP_MODE_NO = 0, | |
69 | LLDP_MODE_YES = 1, | |
70 | LLDP_MODE_ROUTERS_ONLY = 2, | |
71 | _LLDP_MODE_MAX, | |
72 | _LLDP_MODE_INVALID = -1, | |
73 | } LLDPMode; | |
74 | ||
8341a5c3 ZJS |
75 | typedef struct DUID { |
76 | /* Value of Type in [DHCP] section */ | |
77 | DUIDType type; | |
78 | ||
79 | uint8_t raw_data_len; | |
80 | uint8_t raw_data[MAX_DUID_LEN]; | |
81 | } DUID; | |
82 | ||
56a23cb4 PF |
83 | typedef enum RADVPrefixDelegation { |
84 | RADV_PREFIX_DELEGATION_NONE, | |
85 | RADV_PREFIX_DELEGATION_STATIC, | |
86 | RADV_PREFIX_DELEGATION_DHCP6, | |
87 | RADV_PREFIX_DELEGATION_BOTH, | |
88 | } RADVPrefixDelegation; | |
89 | ||
f4859fc7 SS |
90 | typedef struct NetworkConfigSection { |
91 | unsigned line; | |
92 | char filename[]; | |
93 | } NetworkConfigSection; | |
94 | ||
95 | int network_config_section_new(const char *filename, unsigned line, NetworkConfigSection **s); | |
96 | void network_config_section_free(NetworkConfigSection *network); | |
97 | ||
98 | DEFINE_TRIVIAL_CLEANUP_FUNC(NetworkConfigSection*, network_config_section_free); | |
f4859fc7 | 99 | |
634f0f98 ZJS |
100 | typedef struct Manager Manager; |
101 | ||
fc2f9534 LP |
102 | struct Network { |
103 | Manager *manager; | |
104 | ||
105 | char *filename; | |
106 | char *name; | |
107 | ||
108 | struct ether_addr *match_mac; | |
109 | char **match_path; | |
110 | char **match_driver; | |
111 | char **match_type; | |
112 | char **match_name; | |
113 | ||
114 | Condition *match_host; | |
115 | Condition *match_virt; | |
5022f08a LP |
116 | Condition *match_kernel_cmdline; |
117 | Condition *match_kernel_version; | |
fc2f9534 LP |
118 | Condition *match_arch; |
119 | ||
120 | char *description; | |
121 | ||
122 | NetDev *bridge; | |
123 | NetDev *bond; | |
6cb955c6 | 124 | NetDev *vrf; |
fc2f9534 LP |
125 | Hashmap *stacked_netdevs; |
126 | ||
127 | /* DHCP Client Support */ | |
128 | AddressFamilyBoolean dhcp; | |
499d555a | 129 | DHCPClientIdentifier dhcp_client_identifier; |
fc2f9534 | 130 | char *dhcp_vendor_class_identifier; |
27cb34f5 | 131 | char *dhcp_hostname; |
94e9bd57 LP |
132 | unsigned dhcp_route_metric; |
133 | uint32_t dhcp_route_table; | |
9c77d107 | 134 | uint16_t dhcp_client_port; |
7585baa0 | 135 | bool dhcp_anonymize; |
27cb34f5 | 136 | bool dhcp_send_hostname; |
fc2f9534 LP |
137 | bool dhcp_broadcast; |
138 | bool dhcp_critical; | |
94e9bd57 LP |
139 | bool dhcp_use_dns; |
140 | bool dhcp_use_ntp; | |
141 | bool dhcp_use_mtu; | |
27cb34f5 LP |
142 | bool dhcp_use_routes; |
143 | bool dhcp_use_timezone; | |
fb5c8216 | 144 | bool rapid_commit; |
94e9bd57 | 145 | bool dhcp_use_hostname; |
fc1ba79d | 146 | bool dhcp_route_table_set; |
94e9bd57 | 147 | DHCPUseDomains dhcp_use_domains; |
fc2f9534 LP |
148 | |
149 | /* DHCP Server Support */ | |
150 | bool dhcp_server; | |
1a04db0f LP |
151 | bool dhcp_server_emit_dns; |
152 | struct in_addr *dhcp_server_dns; | |
153 | unsigned n_dhcp_server_dns; | |
154 | bool dhcp_server_emit_ntp; | |
155 | struct in_addr *dhcp_server_ntp; | |
156 | unsigned n_dhcp_server_ntp; | |
77ff6022 | 157 | bool dhcp_server_emit_router; |
fc2f9534 | 158 | bool dhcp_server_emit_timezone; |
1a04db0f | 159 | char *dhcp_server_timezone; |
fc2f9534 | 160 | usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec; |
9b3a67c5 TG |
161 | uint32_t dhcp_server_pool_offset; |
162 | uint32_t dhcp_server_pool_size; | |
fc2f9534 LP |
163 | |
164 | /* IPV4LL Support */ | |
165 | AddressFamilyBoolean link_local; | |
166 | bool ipv4ll_route; | |
167 | ||
7d5cac19 | 168 | /* IPv6 prefix delegation support */ |
56a23cb4 | 169 | RADVPrefixDelegation router_prefix_delegation; |
7d5cac19 PF |
170 | usec_t router_lifetime_usec; |
171 | uint8_t router_preference; | |
172 | bool router_managed; | |
173 | bool router_other_information; | |
9e25315c PF |
174 | bool router_emit_dns; |
175 | bool router_emit_domains; | |
88295a05 PF |
176 | usec_t router_dns_lifetime_usec; |
177 | struct in6_addr *router_dns; | |
178 | unsigned n_router_dns; | |
700f1186 | 179 | char **router_search_domains; |
7d5cac19 | 180 | |
fc2f9534 LP |
181 | /* Bridge Support */ |
182 | bool use_bpdu; | |
183 | bool hairpin; | |
184 | bool fast_leave; | |
185 | bool allow_port_to_be_root; | |
186 | bool unicast_flood; | |
b56be296 DJL |
187 | uint32_t cost; |
188 | uint16_t priority; | |
fc2f9534 | 189 | |
ffff9abe | 190 | bool use_br_vlan; |
13b498f9 TJ |
191 | uint16_t pvid; |
192 | uint32_t br_vid_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
193 | uint32_t br_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
194 | ||
fc2f9534 LP |
195 | AddressFamilyBoolean ip_forward; |
196 | bool ip_masquerade; | |
197 | ||
4f2e437a | 198 | int ipv6_accept_ra; |
8749cbcd | 199 | int ipv6_dad_transmits; |
b69c3180 | 200 | int ipv6_hop_limit; |
465dfe59 | 201 | int ipv6_proxy_ndp; |
23d8b221 | 202 | int proxy_arp; |
11102cba | 203 | unsigned ipv6_mtu; |
4f2e437a | 204 | |
1e7a0e21 | 205 | bool ipv6_accept_ra_use_dns; |
eb64b435 SS |
206 | bool active_slave; |
207 | bool primary_slave; | |
1e7a0e21 | 208 | DHCPUseDomains ipv6_accept_ra_use_domains; |
2ba31d29 | 209 | uint32_t ipv6_accept_ra_route_table; |
1e7a0e21 | 210 | |
fc2f9534 LP |
211 | union in_addr_union ipv6_token; |
212 | IPv6PrivacyExtensions ipv6_privacy_extensions; | |
213 | ||
214 | struct ether_addr *mac; | |
b8b40317 | 215 | size_t mtu; |
99d2baa2 | 216 | int arp; |
a09dc546 | 217 | bool unmanaged; |
dad2d78e | 218 | bool configure_without_carrier; |
413708d1 | 219 | uint32_t iaid; |
8341a5c3 | 220 | DUID duid; |
fc2f9534 | 221 | |
c1a38904 MTL |
222 | bool required_for_online; /* Is this network required to be considered online? */ |
223 | ||
8e1ad1ea | 224 | LLDPMode lldp_mode; /* LLDP reception */ |
7272b25e | 225 | LLDPEmit lldp_emit; /* LLDP transmission */ |
fc2f9534 LP |
226 | |
227 | LIST_HEAD(Address, static_addresses); | |
228 | LIST_HEAD(Route, static_routes); | |
229 | LIST_HEAD(FdbEntry, static_fdb_entries); | |
a0e5c15d | 230 | LIST_HEAD(IPv6ProxyNDPAddress, ipv6_proxy_ndp_addresses); |
95b74ef6 | 231 | LIST_HEAD(AddressLabel, address_labels); |
057abfd8 | 232 | LIST_HEAD(Prefix, static_prefixes); |
bce67bbe | 233 | LIST_HEAD(RoutingPolicyRule, rules); |
fc2f9534 | 234 | |
8c34b963 LP |
235 | unsigned n_static_addresses; |
236 | unsigned n_static_routes; | |
237 | unsigned n_static_fdb_entries; | |
a0e5c15d | 238 | unsigned n_ipv6_proxy_ndp_addresses; |
95b74ef6 | 239 | unsigned n_address_labels; |
057abfd8 | 240 | unsigned n_static_prefixes; |
bce67bbe | 241 | unsigned n_rules; |
8c34b963 | 242 | |
fc2f9534 LP |
243 | Hashmap *addresses_by_section; |
244 | Hashmap *routes_by_section; | |
245 | Hashmap *fdb_entries_by_section; | |
95b74ef6 | 246 | Hashmap *address_labels_by_section; |
057abfd8 | 247 | Hashmap *prefixes_by_section; |
bce67bbe | 248 | Hashmap *rules_by_section; |
fc2f9534 | 249 | |
5512a963 LP |
250 | struct in_addr_data *dns; |
251 | unsigned n_dns; | |
252 | ||
253 | char **search_domains, **route_domains, **ntp, **bind_carrier; | |
fc2f9534 LP |
254 | |
255 | ResolveSupport llmnr; | |
aaa297d4 | 256 | ResolveSupport mdns; |
ad6c0475 | 257 | DnssecMode dnssec_mode; |
8a516214 | 258 | Set *dnssec_negative_trust_anchors; |
fc2f9534 LP |
259 | |
260 | LIST_FIELDS(Network, networks); | |
261 | }; | |
262 | ||
263 | void network_free(Network *network); | |
264 | ||
265 | DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free); | |
fc2f9534 LP |
266 | |
267 | int network_load(Manager *manager); | |
268 | ||
269 | int network_get_by_name(Manager *manager, const char *name, Network **ret); | |
270 | int network_get(Manager *manager, struct udev_device *device, const char *ifname, const struct ether_addr *mac, Network **ret); | |
7d342c03 | 271 | int network_apply(Network *network, Link *link); |
add8d07d | 272 | void network_apply_anonymize_if_set(Network *network); |
fc2f9534 | 273 | |
439689c6 SS |
274 | bool network_has_static_ipv6_addresses(Network *network); |
275 | ||
fc2f9534 LP |
276 | int config_parse_netdev(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
277 | int config_parse_domains(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); | |
278 | int config_parse_tunnel(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); | |
279 | int config_parse_dhcp(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); | |
53253824 | 280 | int config_parse_dns(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
fc2f9534 LP |
281 | int config_parse_dhcp_client_identifier(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
282 | int config_parse_ipv6token(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); | |
283 | int config_parse_ipv6_privacy_extensions(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); | |
284 | int config_parse_hostname(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); | |
285 | int config_parse_timezone(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); | |
1a04db0f | 286 | int config_parse_dhcp_server_dns(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
88295a05 | 287 | int config_parse_radv_dns(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
700f1186 | 288 | int config_parse_radv_search_domains(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
1a04db0f | 289 | int config_parse_dhcp_server_ntp(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
8a516214 | 290 | int config_parse_dnssec_negative_trust_anchors(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
b2a81c0b | 291 | int config_parse_dhcp_use_domains(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
34437b4f | 292 | int config_parse_lldp_mode(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
f594276b | 293 | int config_parse_dhcp_route_table(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
26575990 | 294 | int config_parse_ntp(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
11102cba | 295 | int config_parse_ipv6_mtu(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
fc2f9534 LP |
296 | /* Legacy IPv4LL support */ |
297 | int config_parse_ipv4ll(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); | |
298 | ||
c9f7b4d3 | 299 | const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, GPERF_LEN_TYPE length); |
fc2f9534 LP |
300 | |
301 | extern const sd_bus_vtable network_vtable[]; | |
302 | ||
303 | int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error); | |
304 | int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error); | |
305 | ||
306 | const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_; | |
307 | IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_; | |
b2a81c0b LP |
308 | |
309 | const char* dhcp_use_domains_to_string(DHCPUseDomains p) _const_; | |
310 | DHCPUseDomains dhcp_use_domains_from_string(const char *s) _pure_; | |
34437b4f LP |
311 | |
312 | const char* lldp_mode_to_string(LLDPMode m) _const_; | |
313 | LLDPMode lldp_mode_from_string(const char *s) _pure_; |