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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
74b2466e LP |
2 | #pragma once |
3 | ||
091a364c TG |
4 | /*** |
5 | This file is part of systemd. | |
6 | ||
4e945a6f | 7 | Copyright 2014 Tom Gundersen <teg@jklm.no> |
091a364c TG |
8 | ***/ |
9 | ||
091a364c | 10 | #include "sd-event.h" |
1c4baffc | 11 | #include "sd-netlink.h" |
71d35b6b TA |
12 | #include "sd-network.h" |
13 | ||
74b2466e | 14 | #include "hashmap.h" |
71d35b6b | 15 | #include "list.h" |
9176a57c | 16 | #include "ordered-set.h" |
af49ca27 | 17 | #include "resolve-util.h" |
091a364c | 18 | |
091a364c | 19 | typedef struct Manager Manager; |
19b50b5b | 20 | |
1ae43295 | 21 | #include "resolved-conf.h" |
19b50b5b | 22 | #include "resolved-dns-query.h" |
a51c1048 LP |
23 | #include "resolved-dns-search-domain.h" |
24 | #include "resolved-dns-server.h" | |
19b50b5b | 25 | #include "resolved-dns-stream.h" |
0d2cd476 | 26 | #include "resolved-dns-trust-anchor.h" |
19b50b5b | 27 | #include "resolved-link.h" |
4e945a6f | 28 | |
eed857b7 LP |
29 | #define MANAGER_SEARCH_DOMAINS_MAX 32 |
30 | #define MANAGER_DNS_SERVERS_MAX 32 | |
31 | ||
091a364c TG |
32 | struct Manager { |
33 | sd_event *event; | |
34 | ||
af49ca27 LP |
35 | ResolveSupport llmnr_support; |
36 | ResolveSupport mdns_support; | |
ad6c0475 | 37 | DnssecMode dnssec_mode; |
ceeddf79 | 38 | bool enable_cache; |
1ae43295 | 39 | DnsStubListenerMode dns_stub_listener_mode; |
1716f6dc LP |
40 | |
41 | /* Network */ | |
74b2466e LP |
42 | Hashmap *links; |
43 | ||
1c4baffc | 44 | sd_netlink *rtnl; |
74b2466e LP |
45 | sd_event_source *rtnl_event_source; |
46 | ||
091a364c | 47 | sd_network_monitor *network_monitor; |
74b2466e LP |
48 | sd_event_source *network_event_source; |
49 | ||
1716f6dc | 50 | /* DNS query management */ |
ec2c5e43 | 51 | Hashmap *dns_transactions; |
1716f6dc LP |
52 | LIST_HEAD(DnsQuery, dns_queries); |
53 | unsigned n_dns_queries; | |
54 | ||
623a4c97 LP |
55 | LIST_HEAD(DnsStream, dns_streams); |
56 | unsigned n_dns_streams; | |
57 | ||
1716f6dc | 58 | /* Unicast dns */ |
74b2466e | 59 | LIST_HEAD(DnsServer, dns_servers); |
4e945a6f | 60 | LIST_HEAD(DnsServer, fallback_dns_servers); |
eed857b7 | 61 | unsigned n_dns_servers; /* counts both main and fallback */ |
74b2466e LP |
62 | DnsServer *current_dns_server; |
63 | ||
a51c1048 | 64 | LIST_HEAD(DnsSearchDomain, search_domains); |
eed857b7 | 65 | unsigned n_search_domains; |
a51c1048 | 66 | |
00fa60ae | 67 | bool need_builtin_fallbacks:1; |
a51c1048 | 68 | |
00fa60ae | 69 | bool read_resolv_conf:1; |
5cb36f41 LP |
70 | usec_t resolv_conf_mtime; |
71 | ||
0d2cd476 LP |
72 | DnsTrustAnchor trust_anchor; |
73 | ||
74b2466e LP |
74 | LIST_HEAD(DnsScope, dns_scopes); |
75 | DnsScope *unicast_scope; | |
76 | ||
1716f6dc LP |
77 | /* LLMNR */ |
78 | int llmnr_ipv4_udp_fd; | |
79 | int llmnr_ipv6_udp_fd; | |
623a4c97 LP |
80 | int llmnr_ipv4_tcp_fd; |
81 | int llmnr_ipv6_tcp_fd; | |
1716f6dc LP |
82 | |
83 | sd_event_source *llmnr_ipv4_udp_event_source; | |
84 | sd_event_source *llmnr_ipv6_udp_event_source; | |
623a4c97 LP |
85 | sd_event_source *llmnr_ipv4_tcp_event_source; |
86 | sd_event_source *llmnr_ipv6_tcp_event_source; | |
1716f6dc | 87 | |
bc7702b0 DM |
88 | /* mDNS */ |
89 | int mdns_ipv4_fd; | |
90 | int mdns_ipv6_fd; | |
91 | ||
6501dd31 DR |
92 | /* DNS-SD */ |
93 | Hashmap *dnssd_services; | |
94 | ||
bc7702b0 DM |
95 | sd_event_source *mdns_ipv4_event_source; |
96 | sd_event_source *mdns_ipv6_event_source; | |
97 | ||
74b2466e LP |
98 | /* dbus */ |
99 | sd_bus *bus; | |
100 | sd_event_source *bus_retry_event_source; | |
623a4c97 LP |
101 | |
102 | /* The hostname we publish on LLMNR and mDNS */ | |
e96de0ce | 103 | char *full_hostname; |
78c6a153 LP |
104 | char *llmnr_hostname; |
105 | char *mdns_hostname; | |
106 | DnsResourceKey *llmnr_host_ipv4_key; | |
107 | DnsResourceKey *llmnr_host_ipv6_key; | |
400cb36e DR |
108 | DnsResourceKey *mdns_host_ipv4_key; |
109 | DnsResourceKey *mdns_host_ipv6_key; | |
eb60f9cd LP |
110 | |
111 | /* Watch the system hostname */ | |
112 | int hostname_fd; | |
113 | sd_event_source *hostname_event_source; | |
902bb5d8 LP |
114 | |
115 | /* Watch for system suspends */ | |
116 | sd_bus_slot *prepare_for_sleep_slot; | |
4d506d6b LP |
117 | |
118 | sd_event_source *sigusr1_event_source; | |
bc81447e | 119 | sd_event_source *sigusr2_event_source; |
d55b0463 | 120 | sd_event_source *sigrtmin1_event_source; |
a150ff5e LP |
121 | |
122 | unsigned n_transactions_total; | |
59c5b597 | 123 | unsigned n_dnssec_verdict[_DNSSEC_VERDICT_MAX]; |
dd0bc0f1 LP |
124 | |
125 | /* Data from /etc/hosts */ | |
126 | Set* etc_hosts_by_address; | |
127 | Hashmap* etc_hosts_by_name; | |
128 | usec_t etc_hosts_last, etc_hosts_mtime; | |
b30bf55d LP |
129 | |
130 | /* Local DNS stub on 127.0.0.53:53 */ | |
131 | int dns_stub_udp_fd; | |
132 | int dns_stub_tcp_fd; | |
133 | ||
134 | sd_event_source *dns_stub_udp_event_source; | |
135 | sd_event_source *dns_stub_tcp_event_source; | |
84b0f133 DR |
136 | |
137 | Hashmap *polkit_registry; | |
091a364c TG |
138 | }; |
139 | ||
140 | /* Manager */ | |
141 | ||
142 | int manager_new(Manager **ret); | |
74b2466e LP |
143 | Manager* manager_free(Manager *m); |
144 | ||
edc501d4 | 145 | int manager_start(Manager *m); |
74b2466e | 146 | |
e1c95994 | 147 | uint32_t manager_find_mtu(Manager *m); |
091a364c | 148 | |
72290734 | 149 | int manager_write(Manager *m, int fd, DnsPacket *p); |
b30bf55d | 150 | 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 | 151 | int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret); |
74b2466e | 152 | |
623a4c97 | 153 | int manager_find_ifindex(Manager *m, int family, const union in_addr_union *in_addr); |
4e945a6f | 154 | LinkAddress* manager_find_link_address(Manager *m, int family, const union in_addr_union *in_addr); |
ec2c5e43 | 155 | |
eb60f9cd | 156 | void manager_refresh_rrs(Manager *m); |
ec2c5e43 | 157 | int manager_next_hostname(Manager *m); |
74b2466e | 158 | |
a4076574 LP |
159 | bool manager_our_packet(Manager *m, DnsPacket *p); |
160 | DnsScope* manager_find_scope(Manager *m, DnsPacket *p); | |
091a364c | 161 | |
902bb5d8 LP |
162 | void manager_verify_all(Manager *m); |
163 | ||
091a364c | 164 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); |
091a364c | 165 | |
623a4c97 | 166 | #define EXTRA_CMSG_SPACE 1024 |
4e945a6f | 167 | |
78c6a153 LP |
168 | int manager_is_own_hostname(Manager *m, const char *name); |
169 | ||
9176a57c | 170 | int manager_compile_dns_servers(Manager *m, OrderedSet **servers); |
6f7da49d | 171 | int manager_compile_search_domains(Manager *m, OrderedSet **domains, int filter_route); |
c69fa7e3 LP |
172 | |
173 | DnssecMode manager_get_dnssec_mode(Manager *m); | |
174 | bool manager_dnssec_supported(Manager *m); | |
59c5b597 LP |
175 | |
176 | void manager_dnssec_verdict(Manager *m, DnssecVerdict verdict, const DnsResourceKey *key); | |
011696f7 LP |
177 | |
178 | bool manager_routable(Manager *m, int family); | |
ba35662f LP |
179 | |
180 | void manager_flush_caches(Manager *m); | |
59c0fd0e | 181 | void manager_reset_server_features(Manager *m); |
943ef07c LP |
182 | |
183 | void manager_cleanup_saved_user(Manager *m); | |
e7c1b0e4 DR |
184 | |
185 | bool manager_next_dnssd_names(Manager *m); |