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d9dfd233 MP |
1 | #pragma once |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
aa27b158 MP |
22 | #include "sd-bus.h" |
23 | #include "udev.h" | |
24 | ||
d9dfd233 | 25 | #include "condition.h" |
aa27b158 MP |
26 | #include "dhcp-identifier.h" |
27 | #include "hashmap.h" | |
4c89c718 | 28 | #include "resolve-util.h" |
d9dfd233 | 29 | |
d9dfd233 | 30 | #include "networkd-address.h" |
5a920b42 | 31 | #include "networkd-brvlan.h" |
d9dfd233 | 32 | #include "networkd-fdb.h" |
aa27b158 | 33 | #include "networkd-lldp-tx.h" |
4c89c718 MP |
34 | #include "networkd-netdev.h" |
35 | #include "networkd-route.h" | |
d9dfd233 MP |
36 | #include "networkd-util.h" |
37 | ||
38 | #define DHCP_ROUTE_METRIC 1024 | |
39 | #define IPV4LL_ROUTE_METRIC 2048 | |
40 | ||
5a920b42 MP |
41 | #define BRIDGE_VLAN_BITMAP_MAX 4096 |
42 | #define BRIDGE_VLAN_BITMAP_LEN (BRIDGE_VLAN_BITMAP_MAX / 32) | |
43 | ||
d9dfd233 MP |
44 | typedef enum DCHPClientIdentifier { |
45 | DHCP_CLIENT_ID_MAC, | |
46 | DHCP_CLIENT_ID_DUID, | |
47 | _DHCP_CLIENT_ID_MAX, | |
48 | _DHCP_CLIENT_ID_INVALID = -1, | |
49 | } DCHPClientIdentifier; | |
50 | ||
51 | typedef enum IPv6PrivacyExtensions { | |
52 | /* The values map to the kernel's /proc/sys/net/ipv6/conf/xxx/use_tempaddr values */ | |
53 | IPV6_PRIVACY_EXTENSIONS_NO, | |
54 | IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC, | |
55 | IPV6_PRIVACY_EXTENSIONS_YES, /* aka prefer-temporary */ | |
56 | _IPV6_PRIVACY_EXTENSIONS_MAX, | |
57 | _IPV6_PRIVACY_EXTENSIONS_INVALID = -1, | |
58 | } IPv6PrivacyExtensions; | |
59 | ||
4c89c718 MP |
60 | typedef enum DHCPUseDomains { |
61 | DHCP_USE_DOMAINS_NO, | |
62 | DHCP_USE_DOMAINS_YES, | |
63 | DHCP_USE_DOMAINS_ROUTE, | |
64 | _DHCP_USE_DOMAINS_MAX, | |
65 | _DHCP_USE_DOMAINS_INVALID = -1, | |
66 | } DHCPUseDomains; | |
67 | ||
aa27b158 MP |
68 | typedef enum LLDPMode { |
69 | LLDP_MODE_NO = 0, | |
70 | LLDP_MODE_YES = 1, | |
71 | LLDP_MODE_ROUTERS_ONLY = 2, | |
72 | _LLDP_MODE_MAX, | |
73 | _LLDP_MODE_INVALID = -1, | |
74 | } LLDPMode; | |
75 | ||
76 | typedef struct DUID { | |
77 | /* Value of Type in [DHCP] section */ | |
78 | DUIDType type; | |
79 | ||
80 | uint8_t raw_data_len; | |
81 | uint8_t raw_data[MAX_DUID_LEN]; | |
82 | } DUID; | |
83 | ||
84 | typedef struct Manager Manager; | |
85 | ||
d9dfd233 MP |
86 | struct Network { |
87 | Manager *manager; | |
88 | ||
89 | char *filename; | |
90 | char *name; | |
91 | ||
92 | struct ether_addr *match_mac; | |
93 | char **match_path; | |
94 | char **match_driver; | |
95 | char **match_type; | |
96 | char **match_name; | |
97 | ||
98 | Condition *match_host; | |
99 | Condition *match_virt; | |
100 | Condition *match_kernel; | |
101 | Condition *match_arch; | |
102 | ||
103 | char *description; | |
104 | ||
105 | NetDev *bridge; | |
106 | NetDev *bond; | |
5a920b42 | 107 | NetDev *vrf; |
d9dfd233 MP |
108 | Hashmap *stacked_netdevs; |
109 | ||
110 | /* DHCP Client Support */ | |
111 | AddressFamilyBoolean dhcp; | |
112 | DCHPClientIdentifier dhcp_client_identifier; | |
113 | char *dhcp_vendor_class_identifier; | |
4c89c718 MP |
114 | char *dhcp_hostname; |
115 | bool dhcp_use_dns; | |
116 | bool dhcp_use_ntp; | |
117 | bool dhcp_use_mtu; | |
118 | bool dhcp_use_hostname; | |
119 | DHCPUseDomains dhcp_use_domains; | |
120 | bool dhcp_send_hostname; | |
d9dfd233 MP |
121 | bool dhcp_broadcast; |
122 | bool dhcp_critical; | |
4c89c718 MP |
123 | bool dhcp_use_routes; |
124 | bool dhcp_use_timezone; | |
d9dfd233 MP |
125 | unsigned dhcp_route_metric; |
126 | ||
127 | /* DHCP Server Support */ | |
128 | bool dhcp_server; | |
129 | bool dhcp_server_emit_dns; | |
130 | struct in_addr *dhcp_server_dns; | |
131 | unsigned n_dhcp_server_dns; | |
132 | bool dhcp_server_emit_ntp; | |
133 | struct in_addr *dhcp_server_ntp; | |
134 | unsigned n_dhcp_server_ntp; | |
aa27b158 | 135 | bool dhcp_server_emit_router; |
d9dfd233 MP |
136 | bool dhcp_server_emit_timezone; |
137 | char *dhcp_server_timezone; | |
138 | usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec; | |
139 | uint32_t dhcp_server_pool_offset; | |
140 | uint32_t dhcp_server_pool_size; | |
141 | ||
142 | /* IPV4LL Support */ | |
143 | AddressFamilyBoolean link_local; | |
144 | bool ipv4ll_route; | |
145 | ||
146 | /* Bridge Support */ | |
147 | bool use_bpdu; | |
148 | bool hairpin; | |
149 | bool fast_leave; | |
150 | bool allow_port_to_be_root; | |
151 | bool unicast_flood; | |
152 | unsigned cost; | |
153 | ||
5a920b42 MP |
154 | uint16_t pvid; |
155 | uint32_t br_vid_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
156 | uint32_t br_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN]; | |
157 | ||
d9dfd233 MP |
158 | AddressFamilyBoolean ip_forward; |
159 | bool ip_masquerade; | |
160 | ||
6300502b | 161 | int ipv6_accept_ra; |
db2df898 MP |
162 | int ipv6_dad_transmits; |
163 | int ipv6_hop_limit; | |
aa27b158 | 164 | int proxy_arp; |
6300502b | 165 | |
5a920b42 MP |
166 | bool ipv6_accept_ra_use_dns; |
167 | DHCPUseDomains ipv6_accept_ra_use_domains; | |
168 | ||
d9dfd233 MP |
169 | union in_addr_union ipv6_token; |
170 | IPv6PrivacyExtensions ipv6_privacy_extensions; | |
171 | ||
172 | struct ether_addr *mac; | |
173 | unsigned mtu; | |
aa27b158 MP |
174 | uint32_t iaid; |
175 | DUID duid; | |
d9dfd233 | 176 | |
aa27b158 MP |
177 | LLDPMode lldp_mode; /* LLDP reception */ |
178 | LLDPEmit lldp_emit; /* LLDP transmission */ | |
d9dfd233 MP |
179 | |
180 | LIST_HEAD(Address, static_addresses); | |
181 | LIST_HEAD(Route, static_routes); | |
182 | LIST_HEAD(FdbEntry, static_fdb_entries); | |
183 | ||
5a920b42 MP |
184 | unsigned n_static_addresses; |
185 | unsigned n_static_routes; | |
186 | unsigned n_static_fdb_entries; | |
187 | ||
d9dfd233 MP |
188 | Hashmap *addresses_by_section; |
189 | Hashmap *routes_by_section; | |
190 | Hashmap *fdb_entries_by_section; | |
191 | ||
4c89c718 | 192 | char **search_domains, **route_domains, **dns, **ntp, **bind_carrier; |
d9dfd233 MP |
193 | |
194 | ResolveSupport llmnr; | |
4c89c718 MP |
195 | ResolveSupport mdns; |
196 | DnssecMode dnssec_mode; | |
197 | Set *dnssec_negative_trust_anchors; | |
d9dfd233 MP |
198 | |
199 | LIST_FIELDS(Network, networks); | |
200 | }; | |
201 | ||
202 | void network_free(Network *network); | |
203 | ||
204 | DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free); | |
205 | #define _cleanup_network_free_ _cleanup_(network_freep) | |
206 | ||
207 | int network_load(Manager *manager); | |
208 | ||
209 | int network_get_by_name(Manager *manager, const char *name, Network **ret); | |
210 | int network_get(Manager *manager, struct udev_device *device, const char *ifname, const struct ether_addr *mac, Network **ret); | |
211 | int network_apply(Manager *manager, Network *network, Link *link); | |
212 | ||
aa27b158 MP |
213 | bool network_has_static_ipv6_addresses(Network *network); |
214 | ||
d9dfd233 MP |
215 | 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); |
216 | 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); | |
217 | 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); | |
218 | 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); | |
219 | 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); | |
220 | 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); | |
221 | 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); | |
222 | 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); | |
223 | 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); | |
224 | 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); | |
225 | 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); | |
4c89c718 MP |
226 | 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); |
227 | 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); | |
aa27b158 | 228 | 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); |
d9dfd233 MP |
229 | |
230 | /* Legacy IPv4LL support */ | |
231 | 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); | |
232 | ||
233 | const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, unsigned length); | |
234 | ||
235 | extern const sd_bus_vtable network_vtable[]; | |
236 | ||
237 | int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error); | |
238 | int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error); | |
239 | ||
240 | const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_; | |
241 | IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_; | |
4c89c718 MP |
242 | |
243 | const char* dhcp_use_domains_to_string(DHCPUseDomains p) _const_; | |
244 | DHCPUseDomains dhcp_use_domains_from_string(const char *s) _pure_; | |
aa27b158 MP |
245 | |
246 | const char* lldp_mode_to_string(LLDPMode m) _const_; | |
247 | LLDPMode lldp_mode_from_string(const char *s) _pure_; |