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Commit | Line | Data |
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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 | 32 | |
1ae43295 | 33 | #include "resolved-conf.h" |
19b50b5b | 34 | #include "resolved-dns-query.h" |
a51c1048 LP |
35 | #include "resolved-dns-search-domain.h" |
36 | #include "resolved-dns-server.h" | |
19b50b5b | 37 | #include "resolved-dns-stream.h" |
0d2cd476 | 38 | #include "resolved-dns-trust-anchor.h" |
19b50b5b | 39 | #include "resolved-link.h" |
4e945a6f | 40 | |
eed857b7 LP |
41 | #define MANAGER_SEARCH_DOMAINS_MAX 32 |
42 | #define MANAGER_DNS_SERVERS_MAX 32 | |
43 | ||
091a364c TG |
44 | struct Manager { |
45 | sd_event *event; | |
46 | ||
af49ca27 LP |
47 | ResolveSupport llmnr_support; |
48 | ResolveSupport mdns_support; | |
ad6c0475 | 49 | DnssecMode dnssec_mode; |
ceeddf79 | 50 | bool enable_cache; |
1ae43295 | 51 | DnsStubListenerMode dns_stub_listener_mode; |
1716f6dc LP |
52 | |
53 | /* Network */ | |
74b2466e LP |
54 | Hashmap *links; |
55 | ||
1c4baffc | 56 | sd_netlink *rtnl; |
74b2466e LP |
57 | sd_event_source *rtnl_event_source; |
58 | ||
091a364c | 59 | sd_network_monitor *network_monitor; |
74b2466e LP |
60 | sd_event_source *network_event_source; |
61 | ||
1716f6dc | 62 | /* DNS query management */ |
ec2c5e43 | 63 | Hashmap *dns_transactions; |
1716f6dc LP |
64 | LIST_HEAD(DnsQuery, dns_queries); |
65 | unsigned n_dns_queries; | |
66 | ||
623a4c97 LP |
67 | LIST_HEAD(DnsStream, dns_streams); |
68 | unsigned n_dns_streams; | |
69 | ||
1716f6dc | 70 | /* Unicast dns */ |
74b2466e | 71 | LIST_HEAD(DnsServer, dns_servers); |
4e945a6f | 72 | LIST_HEAD(DnsServer, fallback_dns_servers); |
eed857b7 | 73 | unsigned n_dns_servers; /* counts both main and fallback */ |
74b2466e LP |
74 | DnsServer *current_dns_server; |
75 | ||
a51c1048 | 76 | LIST_HEAD(DnsSearchDomain, search_domains); |
eed857b7 | 77 | unsigned n_search_domains; |
a51c1048 | 78 | |
00fa60ae | 79 | bool need_builtin_fallbacks:1; |
a51c1048 | 80 | |
00fa60ae | 81 | bool read_resolv_conf:1; |
5cb36f41 LP |
82 | usec_t resolv_conf_mtime; |
83 | ||
0d2cd476 LP |
84 | DnsTrustAnchor trust_anchor; |
85 | ||
74b2466e LP |
86 | LIST_HEAD(DnsScope, dns_scopes); |
87 | DnsScope *unicast_scope; | |
88 | ||
1716f6dc LP |
89 | /* LLMNR */ |
90 | int llmnr_ipv4_udp_fd; | |
91 | int llmnr_ipv6_udp_fd; | |
623a4c97 LP |
92 | int llmnr_ipv4_tcp_fd; |
93 | int llmnr_ipv6_tcp_fd; | |
1716f6dc LP |
94 | |
95 | sd_event_source *llmnr_ipv4_udp_event_source; | |
96 | sd_event_source *llmnr_ipv6_udp_event_source; | |
623a4c97 LP |
97 | sd_event_source *llmnr_ipv4_tcp_event_source; |
98 | sd_event_source *llmnr_ipv6_tcp_event_source; | |
1716f6dc | 99 | |
bc7702b0 DM |
100 | /* mDNS */ |
101 | int mdns_ipv4_fd; | |
102 | int mdns_ipv6_fd; | |
103 | ||
104 | sd_event_source *mdns_ipv4_event_source; | |
105 | sd_event_source *mdns_ipv6_event_source; | |
106 | ||
74b2466e LP |
107 | /* dbus */ |
108 | sd_bus *bus; | |
109 | sd_event_source *bus_retry_event_source; | |
623a4c97 LP |
110 | |
111 | /* The hostname we publish on LLMNR and mDNS */ | |
e96de0ce | 112 | char *full_hostname; |
78c6a153 LP |
113 | char *llmnr_hostname; |
114 | char *mdns_hostname; | |
115 | DnsResourceKey *llmnr_host_ipv4_key; | |
116 | DnsResourceKey *llmnr_host_ipv6_key; | |
400cb36e DR |
117 | DnsResourceKey *mdns_host_ipv4_key; |
118 | DnsResourceKey *mdns_host_ipv6_key; | |
eb60f9cd LP |
119 | |
120 | /* Watch the system hostname */ | |
121 | int hostname_fd; | |
122 | sd_event_source *hostname_event_source; | |
902bb5d8 LP |
123 | |
124 | /* Watch for system suspends */ | |
125 | sd_bus_slot *prepare_for_sleep_slot; | |
4d506d6b LP |
126 | |
127 | sd_event_source *sigusr1_event_source; | |
bc81447e | 128 | sd_event_source *sigusr2_event_source; |
d55b0463 | 129 | sd_event_source *sigrtmin1_event_source; |
a150ff5e LP |
130 | |
131 | unsigned n_transactions_total; | |
59c5b597 | 132 | unsigned n_dnssec_verdict[_DNSSEC_VERDICT_MAX]; |
dd0bc0f1 LP |
133 | |
134 | /* Data from /etc/hosts */ | |
135 | Set* etc_hosts_by_address; | |
136 | Hashmap* etc_hosts_by_name; | |
137 | usec_t etc_hosts_last, etc_hosts_mtime; | |
b30bf55d LP |
138 | |
139 | /* Local DNS stub on 127.0.0.53:53 */ | |
140 | int dns_stub_udp_fd; | |
141 | int dns_stub_tcp_fd; | |
142 | ||
143 | sd_event_source *dns_stub_udp_event_source; | |
144 | sd_event_source *dns_stub_tcp_event_source; | |
091a364c TG |
145 | }; |
146 | ||
147 | /* Manager */ | |
148 | ||
149 | int manager_new(Manager **ret); | |
74b2466e LP |
150 | Manager* manager_free(Manager *m); |
151 | ||
edc501d4 | 152 | int manager_start(Manager *m); |
74b2466e | 153 | |
e1c95994 | 154 | uint32_t manager_find_mtu(Manager *m); |
091a364c | 155 | |
72290734 | 156 | int manager_write(Manager *m, int fd, DnsPacket *p); |
b30bf55d | 157 | int manager_send(Manager *m, int fd, int ifindex, int family, const union in_addr_union *destination, uint16_t port, const union in_addr_union *source, DnsPacket *p); |
1716f6dc | 158 | int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret); |
74b2466e | 159 | |
623a4c97 | 160 | int manager_find_ifindex(Manager *m, int family, const union in_addr_union *in_addr); |
4e945a6f | 161 | LinkAddress* manager_find_link_address(Manager *m, int family, const union in_addr_union *in_addr); |
ec2c5e43 | 162 | |
eb60f9cd | 163 | void manager_refresh_rrs(Manager *m); |
ec2c5e43 | 164 | int manager_next_hostname(Manager *m); |
74b2466e | 165 | |
a4076574 LP |
166 | bool manager_our_packet(Manager *m, DnsPacket *p); |
167 | DnsScope* manager_find_scope(Manager *m, DnsPacket *p); | |
091a364c | 168 | |
902bb5d8 LP |
169 | void manager_verify_all(Manager *m); |
170 | ||
091a364c | 171 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); |
091a364c | 172 | |
623a4c97 | 173 | #define EXTRA_CMSG_SPACE 1024 |
4e945a6f | 174 | |
78c6a153 LP |
175 | int manager_is_own_hostname(Manager *m, const char *name); |
176 | ||
9176a57c | 177 | int manager_compile_dns_servers(Manager *m, OrderedSet **servers); |
6f7da49d | 178 | int manager_compile_search_domains(Manager *m, OrderedSet **domains, int filter_route); |
c69fa7e3 LP |
179 | |
180 | DnssecMode manager_get_dnssec_mode(Manager *m); | |
181 | bool manager_dnssec_supported(Manager *m); | |
59c5b597 LP |
182 | |
183 | void manager_dnssec_verdict(Manager *m, DnssecVerdict verdict, const DnsResourceKey *key); | |
011696f7 LP |
184 | |
185 | bool manager_routable(Manager *m, int family); | |
ba35662f LP |
186 | |
187 | void manager_flush_caches(Manager *m); | |
59c0fd0e | 188 | void manager_reset_server_features(Manager *m); |
943ef07c LP |
189 | |
190 | void manager_cleanup_saved_user(Manager *m); |