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74b2466e LP |
1 | #pragma once |
2 | ||
091a364c TG |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
4e945a6f | 6 | Copyright 2014 Tom Gundersen <teg@jklm.no> |
091a364c TG |
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 | ||
091a364c | 22 | #include "sd-event.h" |
1c4baffc | 23 | #include "sd-netlink.h" |
71d35b6b TA |
24 | #include "sd-network.h" |
25 | ||
74b2466e | 26 | #include "hashmap.h" |
71d35b6b | 27 | #include "list.h" |
9176a57c | 28 | #include "ordered-set.h" |
af49ca27 | 29 | #include "resolve-util.h" |
091a364c | 30 | |
091a364c | 31 | typedef struct Manager Manager; |
19b50b5b LP |
32 | |
33 | #include "resolved-dns-query.h" | |
a51c1048 LP |
34 | #include "resolved-dns-search-domain.h" |
35 | #include "resolved-dns-server.h" | |
19b50b5b | 36 | #include "resolved-dns-stream.h" |
0d2cd476 | 37 | #include "resolved-dns-trust-anchor.h" |
19b50b5b | 38 | #include "resolved-link.h" |
4e945a6f | 39 | |
eed857b7 LP |
40 | #define MANAGER_SEARCH_DOMAINS_MAX 32 |
41 | #define MANAGER_DNS_SERVERS_MAX 32 | |
42 | ||
091a364c TG |
43 | struct Manager { |
44 | sd_event *event; | |
45 | ||
af49ca27 LP |
46 | ResolveSupport llmnr_support; |
47 | ResolveSupport mdns_support; | |
ad6c0475 | 48 | DnssecMode dnssec_mode; |
1716f6dc LP |
49 | |
50 | /* Network */ | |
74b2466e LP |
51 | Hashmap *links; |
52 | ||
1c4baffc | 53 | sd_netlink *rtnl; |
74b2466e LP |
54 | sd_event_source *rtnl_event_source; |
55 | ||
091a364c | 56 | sd_network_monitor *network_monitor; |
74b2466e LP |
57 | sd_event_source *network_event_source; |
58 | ||
1716f6dc | 59 | /* DNS query management */ |
ec2c5e43 | 60 | Hashmap *dns_transactions; |
1716f6dc LP |
61 | LIST_HEAD(DnsQuery, dns_queries); |
62 | unsigned n_dns_queries; | |
63 | ||
623a4c97 LP |
64 | LIST_HEAD(DnsStream, dns_streams); |
65 | unsigned n_dns_streams; | |
66 | ||
1716f6dc | 67 | /* Unicast dns */ |
74b2466e | 68 | LIST_HEAD(DnsServer, dns_servers); |
4e945a6f | 69 | LIST_HEAD(DnsServer, fallback_dns_servers); |
eed857b7 | 70 | unsigned n_dns_servers; /* counts both main and fallback */ |
74b2466e LP |
71 | DnsServer *current_dns_server; |
72 | ||
a51c1048 | 73 | LIST_HEAD(DnsSearchDomain, search_domains); |
eed857b7 | 74 | unsigned n_search_domains; |
a51c1048 | 75 | |
00fa60ae | 76 | bool need_builtin_fallbacks:1; |
a51c1048 | 77 | |
00fa60ae | 78 | bool read_resolv_conf:1; |
5cb36f41 LP |
79 | usec_t resolv_conf_mtime; |
80 | ||
0d2cd476 LP |
81 | DnsTrustAnchor trust_anchor; |
82 | ||
74b2466e LP |
83 | LIST_HEAD(DnsScope, dns_scopes); |
84 | DnsScope *unicast_scope; | |
85 | ||
1716f6dc LP |
86 | /* LLMNR */ |
87 | int llmnr_ipv4_udp_fd; | |
88 | int llmnr_ipv6_udp_fd; | |
623a4c97 LP |
89 | int llmnr_ipv4_tcp_fd; |
90 | int llmnr_ipv6_tcp_fd; | |
1716f6dc LP |
91 | |
92 | sd_event_source *llmnr_ipv4_udp_event_source; | |
93 | sd_event_source *llmnr_ipv6_udp_event_source; | |
623a4c97 LP |
94 | sd_event_source *llmnr_ipv4_tcp_event_source; |
95 | sd_event_source *llmnr_ipv6_tcp_event_source; | |
1716f6dc | 96 | |
bc7702b0 DM |
97 | /* mDNS */ |
98 | int mdns_ipv4_fd; | |
99 | int mdns_ipv6_fd; | |
100 | ||
101 | sd_event_source *mdns_ipv4_event_source; | |
102 | sd_event_source *mdns_ipv6_event_source; | |
103 | ||
74b2466e LP |
104 | /* dbus */ |
105 | sd_bus *bus; | |
106 | sd_event_source *bus_retry_event_source; | |
623a4c97 LP |
107 | |
108 | /* The hostname we publish on LLMNR and mDNS */ | |
78c6a153 LP |
109 | char *llmnr_hostname; |
110 | char *mdns_hostname; | |
111 | DnsResourceKey *llmnr_host_ipv4_key; | |
112 | DnsResourceKey *llmnr_host_ipv6_key; | |
eb60f9cd LP |
113 | |
114 | /* Watch the system hostname */ | |
115 | int hostname_fd; | |
116 | sd_event_source *hostname_event_source; | |
902bb5d8 LP |
117 | |
118 | /* Watch for system suspends */ | |
119 | sd_bus_slot *prepare_for_sleep_slot; | |
4d506d6b LP |
120 | |
121 | sd_event_source *sigusr1_event_source; | |
bc81447e | 122 | sd_event_source *sigusr2_event_source; |
a150ff5e LP |
123 | |
124 | unsigned n_transactions_total; | |
59c5b597 | 125 | unsigned n_dnssec_verdict[_DNSSEC_VERDICT_MAX]; |
dd0bc0f1 LP |
126 | |
127 | /* Data from /etc/hosts */ | |
128 | Set* etc_hosts_by_address; | |
129 | Hashmap* etc_hosts_by_name; | |
130 | usec_t etc_hosts_last, etc_hosts_mtime; | |
091a364c TG |
131 | }; |
132 | ||
133 | /* Manager */ | |
134 | ||
135 | int manager_new(Manager **ret); | |
74b2466e LP |
136 | Manager* manager_free(Manager *m); |
137 | ||
edc501d4 | 138 | int manager_start(Manager *m); |
74b2466e | 139 | |
e1c95994 | 140 | uint32_t manager_find_mtu(Manager *m); |
091a364c | 141 | |
72290734 | 142 | int manager_write(Manager *m, int fd, DnsPacket *p); |
623a4c97 | 143 | int manager_send(Manager *m, int fd, int ifindex, int family, const union in_addr_union *addr, uint16_t port, DnsPacket *p); |
1716f6dc | 144 | int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret); |
74b2466e | 145 | |
623a4c97 | 146 | int manager_find_ifindex(Manager *m, int family, const union in_addr_union *in_addr); |
4e945a6f | 147 | LinkAddress* manager_find_link_address(Manager *m, int family, const union in_addr_union *in_addr); |
ec2c5e43 | 148 | |
eb60f9cd | 149 | void manager_refresh_rrs(Manager *m); |
ec2c5e43 | 150 | int manager_next_hostname(Manager *m); |
74b2466e | 151 | |
a4076574 LP |
152 | bool manager_our_packet(Manager *m, DnsPacket *p); |
153 | DnsScope* manager_find_scope(Manager *m, DnsPacket *p); | |
091a364c | 154 | |
902bb5d8 LP |
155 | void manager_verify_all(Manager *m); |
156 | ||
091a364c | 157 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); |
091a364c | 158 | |
623a4c97 | 159 | #define EXTRA_CMSG_SPACE 1024 |
4e945a6f | 160 | |
78c6a153 LP |
161 | int manager_is_own_hostname(Manager *m, const char *name); |
162 | ||
9176a57c | 163 | int manager_compile_dns_servers(Manager *m, OrderedSet **servers); |
6f7da49d | 164 | int manager_compile_search_domains(Manager *m, OrderedSet **domains, int filter_route); |
c69fa7e3 LP |
165 | |
166 | DnssecMode manager_get_dnssec_mode(Manager *m); | |
167 | bool manager_dnssec_supported(Manager *m); | |
59c5b597 LP |
168 | |
169 | void manager_dnssec_verdict(Manager *m, DnssecVerdict verdict, const DnsResourceKey *key); | |
011696f7 LP |
170 | |
171 | bool manager_routable(Manager *m, int family); | |
ba35662f LP |
172 | |
173 | void manager_flush_caches(Manager *m); | |
943ef07c LP |
174 | |
175 | void manager_cleanup_saved_user(Manager *m); |