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1 | #pragma once | |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Lennart Poettering | |
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 | ||
22 | #include <net/if.h> | |
23 | ||
24 | #include "in-addr-util.h" | |
25 | #include "ratelimit.h" | |
26 | #include "resolve-util.h" | |
27 | ||
28 | typedef struct Link Link; | |
29 | typedef struct LinkAddress LinkAddress; | |
30 | ||
31 | #include "resolved-dns-rr.h" | |
32 | #include "resolved-dns-search-domain.h" | |
33 | #include "resolved-dns-server.h" | |
34 | #include "resolved-manager.h" | |
35 | ||
36 | #define LINK_SEARCH_DOMAINS_MAX 32 | |
37 | #define LINK_DNS_SERVERS_MAX 32 | |
38 | ||
39 | struct LinkAddress { | |
40 | Link *link; | |
41 | ||
42 | int family; | |
43 | union in_addr_union in_addr; | |
44 | ||
45 | unsigned char flags, scope; | |
46 | ||
47 | DnsResourceRecord *llmnr_address_rr; | |
48 | DnsResourceRecord *llmnr_ptr_rr; | |
49 | ||
50 | LIST_FIELDS(LinkAddress, addresses); | |
51 | }; | |
52 | ||
53 | struct Link { | |
54 | Manager *manager; | |
55 | ||
56 | int ifindex; | |
57 | unsigned flags; | |
58 | ||
59 | LIST_HEAD(LinkAddress, addresses); | |
60 | ||
61 | LIST_HEAD(DnsServer, dns_servers); | |
62 | DnsServer *current_dns_server; | |
63 | unsigned n_dns_servers; | |
64 | ||
65 | LIST_HEAD(DnsSearchDomain, search_domains); | |
66 | unsigned n_search_domains; | |
67 | ||
68 | ResolveSupport llmnr_support; | |
69 | ResolveSupport mdns_support; | |
70 | DnssecMode dnssec_mode; | |
71 | Set *dnssec_negative_trust_anchors; | |
72 | ||
73 | DnsScope *unicast_scope; | |
74 | DnsScope *llmnr_ipv4_scope; | |
75 | DnsScope *llmnr_ipv6_scope; | |
76 | DnsScope *mdns_ipv4_scope; | |
77 | DnsScope *mdns_ipv6_scope; | |
78 | ||
79 | bool is_managed; | |
80 | ||
81 | char name[IF_NAMESIZE]; | |
82 | uint32_t mtu; | |
83 | uint8_t operstate; | |
84 | }; | |
85 | ||
86 | int link_new(Manager *m, Link **ret, int ifindex); | |
87 | Link *link_free(Link *l); | |
88 | int link_update_rtnl(Link *l, sd_netlink_message *m); | |
89 | int link_update_monitor(Link *l); | |
90 | bool link_relevant(Link *l, int family, bool local_multicast); | |
91 | LinkAddress* link_find_address(Link *l, int family, const union in_addr_union *in_addr); | |
92 | void link_add_rrs(Link *l, bool force_remove); | |
93 | ||
94 | void link_flush_settings(Link *l); | |
95 | void link_set_dnssec_mode(Link *l, DnssecMode mode); | |
96 | void link_allocate_scopes(Link *l); | |
97 | ||
98 | DnsServer* link_set_dns_server(Link *l, DnsServer *s); | |
99 | DnsServer* link_get_dns_server(Link *l); | |
100 | void link_next_dns_server(Link *l); | |
101 | ||
102 | DnssecMode link_get_dnssec_mode(Link *l); | |
103 | bool link_dnssec_supported(Link *l); | |
104 | ||
105 | int link_address_new(Link *l, LinkAddress **ret, int family, const union in_addr_union *in_addr); | |
106 | LinkAddress *link_address_free(LinkAddress *a); | |
107 | int link_address_update_rtnl(LinkAddress *a, sd_netlink_message *m); | |
108 | bool link_address_relevant(LinkAddress *l, bool local_multicast); | |
109 | void link_address_add_rrs(LinkAddress *a, bool force_remove); | |
110 | ||
111 | DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free); |