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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
74b2466e LP |
2 | #pragma once |
3 | ||
61c12865 LP |
4 | #include <sys/stat.h> |
5 | ||
bb351718 | 6 | #include "common-signal.h" |
284d7641 | 7 | #include "forward.h" |
71d35b6b | 8 | #include "list.h" |
af49ca27 | 9 | #include "resolve-util.h" |
68527d30 | 10 | #include "resolved-dns-dnssec.h" |
19b50b5b | 11 | #include "resolved-dns-stream.h" |
ae8f0ec3 | 12 | #include "resolved-dns-stub.h" |
0d2cd476 | 13 | #include "resolved-dns-trust-anchor.h" |
68527d30 | 14 | #include "resolved-etc-hosts.h" |
284d7641 | 15 | #include "resolved-forward.h" |
4e945a6f | 16 | |
b950ee06 LP |
17 | #define MANAGER_SEARCH_DOMAINS_MAX 256 |
18 | #define MANAGER_DNS_SERVERS_MAX 256 | |
eed857b7 | 19 | |
68527d30 | 20 | typedef struct Manager { |
091a364c TG |
21 | sd_event *event; |
22 | ||
af49ca27 LP |
23 | ResolveSupport llmnr_support; |
24 | ResolveSupport mdns_support; | |
ad6c0475 | 25 | DnssecMode dnssec_mode; |
c9299be2 | 26 | DnsOverTlsMode dns_over_tls_mode; |
37d7a7d9 | 27 | DnsCacheMode enable_cache; |
6d8325f6 | 28 | bool cache_from_localhost; |
1ae43295 | 29 | DnsStubListenerMode dns_stub_listener_mode; |
5ed91481 | 30 | usec_t stale_retention_usec; |
1716f6dc | 31 | |
e22c5b20 IT |
32 | #if ENABLE_DNS_OVER_TLS |
33 | DnsTlsManagerData dnstls_data; | |
34 | #endif | |
35 | ||
1716f6dc | 36 | /* Network */ |
74b2466e LP |
37 | Hashmap *links; |
38 | ||
1c4baffc | 39 | sd_netlink *rtnl; |
74b2466e LP |
40 | sd_event_source *rtnl_event_source; |
41 | ||
091a364c | 42 | sd_network_monitor *network_monitor; |
74b2466e LP |
43 | sd_event_source *network_event_source; |
44 | ||
1716f6dc | 45 | /* DNS query management */ |
ec2c5e43 | 46 | Hashmap *dns_transactions; |
1716f6dc LP |
47 | LIST_HEAD(DnsQuery, dns_queries); |
48 | unsigned n_dns_queries; | |
bde69bbd | 49 | Hashmap *stub_queries_by_packet; |
1716f6dc | 50 | |
623a4c97 | 51 | LIST_HEAD(DnsStream, dns_streams); |
652ba568 | 52 | unsigned n_dns_streams[_DNS_STREAM_TYPE_MAX]; |
623a4c97 | 53 | |
1716f6dc | 54 | /* Unicast dns */ |
74b2466e | 55 | LIST_HEAD(DnsServer, dns_servers); |
4e945a6f | 56 | LIST_HEAD(DnsServer, fallback_dns_servers); |
eed857b7 | 57 | unsigned n_dns_servers; /* counts both main and fallback */ |
74b2466e LP |
58 | DnsServer *current_dns_server; |
59 | ||
a51c1048 | 60 | LIST_HEAD(DnsSearchDomain, search_domains); |
eed857b7 | 61 | unsigned n_search_domains; |
a51c1048 | 62 | |
c2f1e83e ZJS |
63 | bool need_builtin_fallbacks; |
64 | bool read_resolv_conf; | |
3b5bd7d6 | 65 | bool resolve_unicast_single_label; |
a51c1048 | 66 | |
61c12865 | 67 | struct stat resolv_conf_stat; |
5cb36f41 | 68 | |
0d2cd476 LP |
69 | DnsTrustAnchor trust_anchor; |
70 | ||
74b2466e LP |
71 | LIST_HEAD(DnsScope, dns_scopes); |
72 | DnsScope *unicast_scope; | |
73 | ||
7928c0e0 LP |
74 | Hashmap *delegates; /* id string → DnsDelegate objects */ |
75 | ||
1716f6dc LP |
76 | /* LLMNR */ |
77 | int llmnr_ipv4_udp_fd; | |
78 | int llmnr_ipv6_udp_fd; | |
623a4c97 LP |
79 | int llmnr_ipv4_tcp_fd; |
80 | int llmnr_ipv6_tcp_fd; | |
1716f6dc LP |
81 | |
82 | sd_event_source *llmnr_ipv4_udp_event_source; | |
83 | sd_event_source *llmnr_ipv6_udp_event_source; | |
623a4c97 LP |
84 | sd_event_source *llmnr_ipv4_tcp_event_source; |
85 | sd_event_source *llmnr_ipv6_tcp_event_source; | |
1716f6dc | 86 | |
bc7702b0 DM |
87 | /* mDNS */ |
88 | int mdns_ipv4_fd; | |
89 | int mdns_ipv6_fd; | |
6d76b5d7 LP |
90 | sd_event_source *mdns_ipv4_event_source; |
91 | sd_event_source *mdns_ipv6_event_source; | |
bc7702b0 | 92 | |
6501dd31 DR |
93 | /* DNS-SD */ |
94 | Hashmap *dnssd_services; | |
95 | ||
74b2466e LP |
96 | /* dbus */ |
97 | sd_bus *bus; | |
623a4c97 LP |
98 | |
99 | /* The hostname we publish on LLMNR and mDNS */ | |
e96de0ce | 100 | char *full_hostname; |
78c6a153 LP |
101 | char *llmnr_hostname; |
102 | char *mdns_hostname; | |
103 | DnsResourceKey *llmnr_host_ipv4_key; | |
104 | DnsResourceKey *llmnr_host_ipv6_key; | |
400cb36e DR |
105 | DnsResourceKey *mdns_host_ipv4_key; |
106 | DnsResourceKey *mdns_host_ipv6_key; | |
eb60f9cd LP |
107 | |
108 | /* Watch the system hostname */ | |
109 | int hostname_fd; | |
110 | sd_event_source *hostname_event_source; | |
902bb5d8 | 111 | |
a150ff5e | 112 | unsigned n_transactions_total; |
bc837621 KV |
113 | unsigned n_timeouts_total; |
114 | unsigned n_timeouts_served_stale_total; | |
115 | unsigned n_failure_responses_total; | |
116 | unsigned n_failure_responses_served_stale_total; | |
117 | ||
59c5b597 | 118 | unsigned n_dnssec_verdict[_DNSSEC_VERDICT_MAX]; |
dd0bc0f1 LP |
119 | |
120 | /* Data from /etc/hosts */ | |
37b7cc8d | 121 | EtcHosts etc_hosts; |
36d892b7 LP |
122 | usec_t etc_hosts_last; |
123 | struct stat etc_hosts_stat; | |
86317087 | 124 | bool read_etc_hosts; |
b30bf55d | 125 | |
81ae2237 MNBKL |
126 | /* List of refused DNS Record Types*/ |
127 | Set *refuse_record_types; | |
128 | ||
1f05101f SS |
129 | OrderedSet *dns_extra_stub_listeners; |
130 | ||
7216a3b5 | 131 | /* Local DNS stub on 127.0.0.53:53 */ |
b30bf55d LP |
132 | sd_event_source *dns_stub_udp_event_source; |
133 | sd_event_source *dns_stub_tcp_event_source; | |
84b0f133 | 134 | |
a8d09063 LP |
135 | /* Local DNS proxy stub on 127.0.0.54:53 */ |
136 | sd_event_source *dns_proxy_stub_udp_event_source; | |
137 | sd_event_source *dns_proxy_stub_tcp_event_source; | |
138 | ||
84b0f133 | 139 | Hashmap *polkit_registry; |
9581bb84 | 140 | |
25ff515b LP |
141 | sd_varlink_server *varlink_server; |
142 | sd_varlink_server *varlink_monitor_server; | |
cb456374 | 143 | |
cf22b5c5 | 144 | Set *varlink_query_results_subscription; |
54401c6f NR |
145 | Set *varlink_dns_configuration_subscription; |
146 | ||
147 | sd_json_variant *dns_configuration_json; | |
148 | ||
149 | sd_netlink_slot *netlink_new_route_slot; | |
150 | sd_netlink_slot *netlink_del_route_slot; | |
90df0fbe LP |
151 | |
152 | sd_event_source *clock_change_event_source; | |
80710ade LP |
153 | |
154 | LIST_HEAD(SocketGraveyard, socket_graveyard); | |
155 | SocketGraveyard *socket_graveyard_oldest; | |
156 | size_t n_socket_graveyard; | |
bb351718 LP |
157 | |
158 | struct sigrtmin18_info sigrtmin18_info; | |
68527d30 | 159 | } Manager; |
091a364c TG |
160 | |
161 | /* Manager */ | |
162 | ||
163 | int manager_new(Manager **ret); | |
74b2466e LP |
164 | Manager* manager_free(Manager *m); |
165 | ||
edc501d4 | 166 | int manager_start(Manager *m); |
74b2466e | 167 | |
e1c95994 | 168 | uint32_t manager_find_mtu(Manager *m); |
091a364c | 169 | |
d9f9b8ce | 170 | int manager_monitor_send(Manager *m, DnsQuery *q); |
cb456374 | 171 | |
ed6c5178 | 172 | int sendmsg_loop(int fd, struct msghdr *mh, int flags); |
72290734 | 173 | int manager_write(Manager *m, int fd, DnsPacket *p); |
b30bf55d | 174 | 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 | 175 | int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret); |
74b2466e | 176 | |
623a4c97 | 177 | int manager_find_ifindex(Manager *m, int family, const union in_addr_union *in_addr); |
4e945a6f | 178 | LinkAddress* manager_find_link_address(Manager *m, int family, const union in_addr_union *in_addr); |
ec2c5e43 | 179 | |
eb60f9cd | 180 | void manager_refresh_rrs(Manager *m); |
ec2c5e43 | 181 | int manager_next_hostname(Manager *m); |
74b2466e | 182 | |
94378145 | 183 | bool manager_packet_from_local_address(Manager *m, DnsPacket *p); |
a9fd8837 LP |
184 | bool manager_packet_from_our_transaction(Manager *m, DnsPacket *p); |
185 | ||
a4076574 | 186 | DnsScope* manager_find_scope(Manager *m, DnsPacket *p); |
091a364c | 187 | |
902bb5d8 LP |
188 | void manager_verify_all(Manager *m); |
189 | ||
091a364c | 190 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); |
091a364c | 191 | |
15dd4515 | 192 | /* For some reason we need some extra cmsg space on some kernels/archs. One of those days we need to figure out why */ |
623a4c97 | 193 | #define EXTRA_CMSG_SPACE 1024 |
4e945a6f | 194 | |
78c6a153 LP |
195 | int manager_is_own_hostname(Manager *m, const char *name); |
196 | ||
9176a57c | 197 | int manager_compile_dns_servers(Manager *m, OrderedSet **servers); |
6f7da49d | 198 | int manager_compile_search_domains(Manager *m, OrderedSet **domains, int filter_route); |
c69fa7e3 LP |
199 | |
200 | DnssecMode manager_get_dnssec_mode(Manager *m); | |
201 | bool manager_dnssec_supported(Manager *m); | |
59c5b597 | 202 | |
c9299be2 | 203 | DnsOverTlsMode manager_get_dns_over_tls_mode(Manager *m); |
5d67a7ae | 204 | |
59c5b597 | 205 | void manager_dnssec_verdict(Manager *m, DnssecVerdict verdict, const DnsResourceKey *key); |
011696f7 | 206 | |
de4a0138 | 207 | bool manager_routable(Manager *m); |
ba35662f | 208 | |
90df0fbe | 209 | void manager_flush_caches(Manager *m, int log_level); |
59c0fd0e | 210 | void manager_reset_server_features(Manager *m); |
943ef07c LP |
211 | |
212 | void manager_cleanup_saved_user(Manager *m); | |
e7c1b0e4 DR |
213 | |
214 | bool manager_next_dnssd_names(Manager *m); | |
49ef064c LP |
215 | |
216 | bool manager_server_is_stub(Manager *m, DnsServer *s); | |
eb170e75 LP |
217 | |
218 | int socket_disable_pmtud(int fd, int af); | |
bc837621 | 219 | |
309a747f | 220 | int dns_manager_dump_statistics_json(Manager *m, sd_json_variant **ret); |
bc837621 | 221 | |
a67e5c6e | 222 | void dns_manager_reset_statistics(Manager *m); |
54401c6f NR |
223 | |
224 | int manager_dump_dns_configuration_json(Manager *m, sd_json_variant **ret); | |
225 | int manager_send_dns_configuration_changed(Manager *m, Link *l, bool reset); | |
226 | ||
227 | int manager_start_dns_configuration_monitor(Manager *m); | |
228 | void manager_stop_dns_configuration_monitor(Manager *m); |