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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> | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
634f0f98 ZJS |
23 | #include "sd-bus.h" |
24 | #include "udev.h" | |
25 | ||
fc2f9534 | 26 | #include "condition.h" |
634f0f98 ZJS |
27 | #include "dhcp-identifier.h" |
28 | #include "hashmap.h" | |
af49ca27 | 29 | #include "resolve-util.h" |
fc2f9534 | 30 | |
fc2f9534 | 31 | #include "networkd-address.h" |
95b74ef6 | 32 | #include "networkd-address-label.h" |
13b498f9 | 33 | #include "networkd-brvlan.h" |
fc2f9534 | 34 | #include "networkd-fdb.h" |
7272b25e | 35 | #include "networkd-lldp-tx.h" |
a0e5c15d | 36 | #include "networkd-ipv6-proxy-ndp.h" |
71d35b6b | 37 | #include "networkd-route.h" |
bce67bbe | 38 | #include "networkd-routing-policy-rule.h" |
fc2f9534 | 39 | #include "networkd-util.h" |
441e9ae4 | 40 | #include "netdev/netdev.h" |
fc2f9534 LP |
41 | |
42 | #define DHCP_ROUTE_METRIC 1024 | |
43 | #define IPV4LL_ROUTE_METRIC 2048 | |
44 | ||
13b498f9 TJ |
45 | #define BRIDGE_VLAN_BITMAP_MAX 4096 |
46 | #define BRIDGE_VLAN_BITMAP_LEN (BRIDGE_VLAN_BITMAP_MAX / 32) | |
47 | ||
499d555a | 48 | typedef enum DHCPClientIdentifier { |
fc2f9534 LP |
49 | DHCP_CLIENT_ID_MAC, |
50 | DHCP_CLIENT_ID_DUID, | |
51 | _DHCP_CLIENT_ID_MAX, | |
52 | _DHCP_CLIENT_ID_INVALID = -1, | |
499d555a | 53 | } DHCPClientIdentifier; |
fc2f9534 LP |
54 | |
55 | typedef enum IPv6PrivacyExtensions { | |
56 | /* The values map to the kernel's /proc/sys/net/ipv6/conf/xxx/use_tempaddr values */ | |
57 | IPV6_PRIVACY_EXTENSIONS_NO, | |
58 | IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC, | |
59 | IPV6_PRIVACY_EXTENSIONS_YES, /* aka prefer-temporary */ | |
60 | _IPV6_PRIVACY_EXTENSIONS_MAX, | |
61 | _IPV6_PRIVACY_EXTENSIONS_INVALID = -1, | |
62 | } IPv6PrivacyExtensions; | |
63 | ||
b2a81c0b LP |
64 | typedef enum DHCPUseDomains { |
65 | DHCP_USE_DOMAINS_NO, | |
66 | DHCP_USE_DOMAINS_YES, | |
67 | DHCP_USE_DOMAINS_ROUTE, | |
68 | _DHCP_USE_DOMAINS_MAX, | |
69 | _DHCP_USE_DOMAINS_INVALID = -1, | |
70 | } DHCPUseDomains; | |
71 | ||
34437b4f LP |
72 | typedef enum LLDPMode { |
73 | LLDP_MODE_NO = 0, | |
74 | LLDP_MODE_YES = 1, | |
75 | LLDP_MODE_ROUTERS_ONLY = 2, | |
76 | _LLDP_MODE_MAX, | |
77 | _LLDP_MODE_INVALID = -1, | |
78 | } LLDPMode; | |
79 | ||
8341a5c3 ZJS |
80 | typedef struct DUID { |
81 | /* Value of Type in [DHCP] section */ | |
82 | DUIDType type; | |
83 | ||
84 | uint8_t raw_data_len; | |
85 | uint8_t raw_data[MAX_DUID_LEN]; | |
86 | } DUID; | |
87 | ||
f4859fc7 SS |
88 | typedef struct NetworkConfigSection { |
89 | unsigned line; | |
90 | char filename[]; | |
91 | } NetworkConfigSection; | |
92 | ||
93 | int network_config_section_new(const char *filename, unsigned line, NetworkConfigSection **s); | |
94 | void network_config_section_free(NetworkConfigSection *network); | |
95 | ||
96 | DEFINE_TRIVIAL_CLEANUP_FUNC(NetworkConfigSection*, network_config_section_free); | |
97 | #define _cleanup_network_config_section_free_ _cleanup_(network_config_section_freep) | |
98 | ||
634f0f98 ZJS |
99 | typedef struct Manager Manager; |
100 | ||
fc2f9534 LP |
101 | struct Network { |
102 | Manager *manager; | |
103 | ||
104 | char *filename; | |
105 | char *name; | |
106 | ||
107 | struct ether_addr *match_mac; | |
108 | char **match_path; | |
109 | char **match_driver; | |
110 | char **match_type; | |
111 | char **match_name; | |
112 | ||
113 | Condition *match_host; | |
114 | Condition *match_virt; | |
115 | Condition *match_kernel; | |
116 | Condition *match_arch; | |
117 | ||
118 | char *description; | |
119 | ||
120 | NetDev *bridge; | |
121 | NetDev *bond; | |
6cb955c6 | 122 | NetDev *vrf; |
fc2f9534 LP |
123 | Hashmap *stacked_netdevs; |
124 | ||
125 | /* DHCP Client Support */ | |
126 | AddressFamilyBoolean dhcp; | |
499d555a | 127 | DHCPClientIdentifier dhcp_client_identifier; |
fc2f9534 | 128 | char *dhcp_vendor_class_identifier; |
27cb34f5 | 129 | char *dhcp_hostname; |
94e9bd57 LP |
130 | unsigned dhcp_route_metric; |
131 | uint32_t dhcp_route_table; | |
9c77d107 | 132 | uint16_t dhcp_client_port; |
7585baa0 | 133 | bool dhcp_anonymize; |
27cb34f5 | 134 | bool dhcp_send_hostname; |
fc2f9534 LP |
135 | bool dhcp_broadcast; |
136 | bool dhcp_critical; | |
94e9bd57 LP |
137 | bool dhcp_use_dns; |
138 | bool dhcp_use_ntp; | |
139 | bool dhcp_use_mtu; | |
27cb34f5 LP |
140 | bool dhcp_use_routes; |
141 | bool dhcp_use_timezone; | |
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 PF |
165 | /* IPv6 prefix delegation support */ |
166 | bool router_prefix_delegation; | |
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 LP |
178 | /* Bridge Support */ |
179 | bool use_bpdu; | |
180 | bool hairpin; | |
181 | bool fast_leave; | |
182 | bool allow_port_to_be_root; | |
183 | bool 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 | ||
fc2f9534 LP |
192 | AddressFamilyBoolean ip_forward; |
193 | bool ip_masquerade; | |
194 | ||
4f2e437a | 195 | int ipv6_accept_ra; |
8749cbcd | 196 | int ipv6_dad_transmits; |
b69c3180 | 197 | int ipv6_hop_limit; |
465dfe59 | 198 | int ipv6_proxy_ndp; |
23d8b221 | 199 | int proxy_arp; |
4f2e437a | 200 | |
1e7a0e21 | 201 | bool ipv6_accept_ra_use_dns; |
eb64b435 SS |
202 | bool active_slave; |
203 | bool primary_slave; | |
1e7a0e21 | 204 | DHCPUseDomains ipv6_accept_ra_use_domains; |
2ba31d29 | 205 | uint32_t ipv6_accept_ra_route_table; |
1e7a0e21 | 206 | |
fc2f9534 LP |
207 | union in_addr_union ipv6_token; |
208 | IPv6PrivacyExtensions ipv6_privacy_extensions; | |
209 | ||
210 | struct ether_addr *mac; | |
b8b40317 | 211 | size_t mtu; |
99d2baa2 | 212 | int arp; |
a09dc546 | 213 | bool unmanaged; |
dad2d78e | 214 | bool configure_without_carrier; |
413708d1 | 215 | uint32_t iaid; |
8341a5c3 | 216 | DUID duid; |
fc2f9534 | 217 | |
8e1ad1ea | 218 | LLDPMode lldp_mode; /* LLDP reception */ |
7272b25e | 219 | LLDPEmit lldp_emit; /* LLDP transmission */ |
fc2f9534 LP |
220 | |
221 | LIST_HEAD(Address, static_addresses); | |
222 | LIST_HEAD(Route, static_routes); | |
223 | LIST_HEAD(FdbEntry, static_fdb_entries); | |
a0e5c15d | 224 | LIST_HEAD(IPv6ProxyNDPAddress, ipv6_proxy_ndp_addresses); |
95b74ef6 | 225 | LIST_HEAD(AddressLabel, address_labels); |
057abfd8 | 226 | LIST_HEAD(Prefix, static_prefixes); |
bce67bbe | 227 | LIST_HEAD(RoutingPolicyRule, rules); |
fc2f9534 | 228 | |
8c34b963 LP |
229 | unsigned n_static_addresses; |
230 | unsigned n_static_routes; | |
231 | unsigned n_static_fdb_entries; | |
a0e5c15d | 232 | unsigned n_ipv6_proxy_ndp_addresses; |
95b74ef6 | 233 | unsigned n_address_labels; |
057abfd8 | 234 | unsigned n_static_prefixes; |
bce67bbe | 235 | unsigned n_rules; |
8c34b963 | 236 | |
fc2f9534 LP |
237 | Hashmap *addresses_by_section; |
238 | Hashmap *routes_by_section; | |
239 | Hashmap *fdb_entries_by_section; | |
95b74ef6 | 240 | Hashmap *address_labels_by_section; |
057abfd8 | 241 | Hashmap *prefixes_by_section; |
bce67bbe | 242 | Hashmap *rules_by_section; |
fc2f9534 | 243 | |
5512a963 LP |
244 | struct in_addr_data *dns; |
245 | unsigned n_dns; | |
246 | ||
247 | char **search_domains, **route_domains, **ntp, **bind_carrier; | |
fc2f9534 LP |
248 | |
249 | ResolveSupport llmnr; | |
aaa297d4 | 250 | ResolveSupport mdns; |
ad6c0475 | 251 | DnssecMode dnssec_mode; |
8a516214 | 252 | Set *dnssec_negative_trust_anchors; |
fc2f9534 LP |
253 | |
254 | LIST_FIELDS(Network, networks); | |
255 | }; | |
256 | ||
257 | void network_free(Network *network); | |
258 | ||
259 | DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free); | |
260 | #define _cleanup_network_free_ _cleanup_(network_freep) | |
261 | ||
262 | int network_load(Manager *manager); | |
263 | ||
264 | int network_get_by_name(Manager *manager, const char *name, Network **ret); | |
265 | int network_get(Manager *manager, struct udev_device *device, const char *ifname, const struct ether_addr *mac, Network **ret); | |
7d342c03 | 266 | int network_apply(Network *network, Link *link); |
add8d07d | 267 | void network_apply_anonymize_if_set(Network *network); |
fc2f9534 | 268 | |
439689c6 SS |
269 | bool network_has_static_ipv6_addresses(Network *network); |
270 | ||
fc2f9534 LP |
271 | 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); |
272 | 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); | |
273 | 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); | |
274 | 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 | 275 | 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 |
276 | 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); |
277 | 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); | |
278 | 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); | |
279 | 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); | |
280 | 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 | 281 | 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 | 282 | 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 | 283 | 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 | 284 | 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 | 285 | 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 | 286 | 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 | 287 | 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 | 288 | 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 | 289 | 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); |
fc2f9534 LP |
290 | |
291 | /* Legacy IPv4LL support */ | |
292 | 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); | |
293 | ||
c9f7b4d3 | 294 | const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, GPERF_LEN_TYPE length); |
fc2f9534 LP |
295 | |
296 | extern const sd_bus_vtable network_vtable[]; | |
297 | ||
298 | int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error); | |
299 | int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error); | |
300 | ||
301 | const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_; | |
302 | IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_; | |
b2a81c0b LP |
303 | |
304 | const char* dhcp_use_domains_to_string(DHCPUseDomains p) _const_; | |
305 | DHCPUseDomains dhcp_use_domains_from_string(const char *s) _pure_; | |
34437b4f LP |
306 | |
307 | const char* lldp_mode_to_string(LLDPMode m) _const_; | |
308 | LLDPMode lldp_mode_from_string(const char *s) _pure_; |