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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
74b2466e LP |
2 | #pragma once |
3 | ||
61c12865 LP |
4 | #include <sys/stat.h> |
5 | ||
091a364c | 6 | #include "sd-event.h" |
1c4baffc | 7 | #include "sd-netlink.h" |
71d35b6b TA |
8 | #include "sd-network.h" |
9 | ||
74b2466e | 10 | #include "hashmap.h" |
71d35b6b | 11 | #include "list.h" |
9176a57c | 12 | #include "ordered-set.h" |
af49ca27 | 13 | #include "resolve-util.h" |
9581bb84 | 14 | #include "varlink.h" |
091a364c | 15 | |
091a364c | 16 | typedef struct Manager Manager; |
19b50b5b | 17 | |
1ae43295 | 18 | #include "resolved-conf.h" |
19b50b5b | 19 | #include "resolved-dns-query.h" |
a51c1048 | 20 | #include "resolved-dns-search-domain.h" |
19b50b5b | 21 | #include "resolved-dns-stream.h" |
0d2cd476 | 22 | #include "resolved-dns-trust-anchor.h" |
19b50b5b | 23 | #include "resolved-link.h" |
4e945a6f | 24 | |
b950ee06 LP |
25 | #define MANAGER_SEARCH_DOMAINS_MAX 256 |
26 | #define MANAGER_DNS_SERVERS_MAX 256 | |
eed857b7 | 27 | |
37b7cc8d ZJS |
28 | typedef struct EtcHosts { |
29 | Hashmap *by_address; | |
30 | Hashmap *by_name; | |
fd373593 | 31 | Set *no_address; |
37b7cc8d ZJS |
32 | } EtcHosts; |
33 | ||
1f05101f | 34 | typedef struct DNSStubListenerExtra { |
1f05101f | 35 | DnsStubListenerMode mode; |
ca8b62b5 YW |
36 | |
37 | int family; | |
38 | union in_addr_union address; | |
39 | uint16_t port; | |
40 | ||
7314b397 YW |
41 | sd_event_source *udp_event_source; |
42 | sd_event_source *tcp_event_source; | |
1f05101f SS |
43 | } DNSStubListenerExtra; |
44 | ||
091a364c TG |
45 | struct Manager { |
46 | sd_event *event; | |
47 | ||
af49ca27 LP |
48 | ResolveSupport llmnr_support; |
49 | ResolveSupport mdns_support; | |
ad6c0475 | 50 | DnssecMode dnssec_mode; |
c9299be2 | 51 | DnsOverTlsMode dns_over_tls_mode; |
37d7a7d9 | 52 | DnsCacheMode enable_cache; |
1ae43295 | 53 | DnsStubListenerMode dns_stub_listener_mode; |
1716f6dc | 54 | |
e22c5b20 IT |
55 | #if ENABLE_DNS_OVER_TLS |
56 | DnsTlsManagerData dnstls_data; | |
57 | #endif | |
58 | ||
1716f6dc | 59 | /* Network */ |
74b2466e LP |
60 | Hashmap *links; |
61 | ||
1c4baffc | 62 | sd_netlink *rtnl; |
74b2466e LP |
63 | sd_event_source *rtnl_event_source; |
64 | ||
091a364c | 65 | sd_network_monitor *network_monitor; |
74b2466e LP |
66 | sd_event_source *network_event_source; |
67 | ||
1716f6dc | 68 | /* DNS query management */ |
ec2c5e43 | 69 | Hashmap *dns_transactions; |
1716f6dc LP |
70 | LIST_HEAD(DnsQuery, dns_queries); |
71 | unsigned n_dns_queries; | |
72 | ||
623a4c97 | 73 | LIST_HEAD(DnsStream, dns_streams); |
652ba568 | 74 | unsigned n_dns_streams[_DNS_STREAM_TYPE_MAX]; |
623a4c97 | 75 | |
1716f6dc | 76 | /* Unicast dns */ |
74b2466e | 77 | LIST_HEAD(DnsServer, dns_servers); |
4e945a6f | 78 | LIST_HEAD(DnsServer, fallback_dns_servers); |
eed857b7 | 79 | unsigned n_dns_servers; /* counts both main and fallback */ |
74b2466e LP |
80 | DnsServer *current_dns_server; |
81 | ||
a51c1048 | 82 | LIST_HEAD(DnsSearchDomain, search_domains); |
eed857b7 | 83 | unsigned n_search_domains; |
a51c1048 | 84 | |
c2f1e83e ZJS |
85 | bool need_builtin_fallbacks; |
86 | bool read_resolv_conf; | |
3b5bd7d6 | 87 | bool resolve_unicast_single_label; |
a51c1048 | 88 | |
61c12865 | 89 | struct stat resolv_conf_stat; |
5cb36f41 | 90 | |
0d2cd476 LP |
91 | DnsTrustAnchor trust_anchor; |
92 | ||
74b2466e LP |
93 | LIST_HEAD(DnsScope, dns_scopes); |
94 | DnsScope *unicast_scope; | |
95 | ||
1716f6dc LP |
96 | /* LLMNR */ |
97 | int llmnr_ipv4_udp_fd; | |
98 | int llmnr_ipv6_udp_fd; | |
623a4c97 LP |
99 | int llmnr_ipv4_tcp_fd; |
100 | int llmnr_ipv6_tcp_fd; | |
1716f6dc LP |
101 | |
102 | sd_event_source *llmnr_ipv4_udp_event_source; | |
103 | sd_event_source *llmnr_ipv6_udp_event_source; | |
623a4c97 LP |
104 | sd_event_source *llmnr_ipv4_tcp_event_source; |
105 | sd_event_source *llmnr_ipv6_tcp_event_source; | |
1716f6dc | 106 | |
bc7702b0 DM |
107 | /* mDNS */ |
108 | int mdns_ipv4_fd; | |
109 | int mdns_ipv6_fd; | |
110 | ||
6501dd31 DR |
111 | /* DNS-SD */ |
112 | Hashmap *dnssd_services; | |
113 | ||
bc7702b0 DM |
114 | sd_event_source *mdns_ipv4_event_source; |
115 | sd_event_source *mdns_ipv6_event_source; | |
116 | ||
74b2466e LP |
117 | /* dbus */ |
118 | sd_bus *bus; | |
623a4c97 LP |
119 | |
120 | /* The hostname we publish on LLMNR and mDNS */ | |
e96de0ce | 121 | char *full_hostname; |
78c6a153 LP |
122 | char *llmnr_hostname; |
123 | char *mdns_hostname; | |
124 | DnsResourceKey *llmnr_host_ipv4_key; | |
125 | DnsResourceKey *llmnr_host_ipv6_key; | |
400cb36e DR |
126 | DnsResourceKey *mdns_host_ipv4_key; |
127 | DnsResourceKey *mdns_host_ipv6_key; | |
eb60f9cd LP |
128 | |
129 | /* Watch the system hostname */ | |
130 | int hostname_fd; | |
131 | sd_event_source *hostname_event_source; | |
902bb5d8 | 132 | |
4d506d6b | 133 | sd_event_source *sigusr1_event_source; |
bc81447e | 134 | sd_event_source *sigusr2_event_source; |
d55b0463 | 135 | sd_event_source *sigrtmin1_event_source; |
a150ff5e LP |
136 | |
137 | unsigned n_transactions_total; | |
59c5b597 | 138 | unsigned n_dnssec_verdict[_DNSSEC_VERDICT_MAX]; |
dd0bc0f1 LP |
139 | |
140 | /* Data from /etc/hosts */ | |
37b7cc8d | 141 | EtcHosts etc_hosts; |
dd0bc0f1 | 142 | usec_t etc_hosts_last, etc_hosts_mtime; |
aa5408e2 GS |
143 | ino_t etc_hosts_ino; |
144 | dev_t etc_hosts_dev; | |
86317087 | 145 | bool read_etc_hosts; |
b30bf55d | 146 | |
1f05101f SS |
147 | OrderedSet *dns_extra_stub_listeners; |
148 | ||
7216a3b5 | 149 | /* Local DNS stub on 127.0.0.53:53 */ |
b30bf55d LP |
150 | sd_event_source *dns_stub_udp_event_source; |
151 | sd_event_source *dns_stub_tcp_event_source; | |
84b0f133 DR |
152 | |
153 | Hashmap *polkit_registry; | |
9581bb84 LP |
154 | |
155 | VarlinkServer *varlink_server; | |
091a364c TG |
156 | }; |
157 | ||
158 | /* Manager */ | |
159 | ||
160 | int manager_new(Manager **ret); | |
74b2466e LP |
161 | Manager* manager_free(Manager *m); |
162 | ||
edc501d4 | 163 | int manager_start(Manager *m); |
74b2466e | 164 | |
e1c95994 | 165 | uint32_t manager_find_mtu(Manager *m); |
091a364c | 166 | |
72290734 | 167 | int manager_write(Manager *m, int fd, DnsPacket *p); |
b30bf55d | 168 | 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 | 169 | int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret); |
74b2466e | 170 | |
623a4c97 | 171 | int manager_find_ifindex(Manager *m, int family, const union in_addr_union *in_addr); |
4e945a6f | 172 | LinkAddress* manager_find_link_address(Manager *m, int family, const union in_addr_union *in_addr); |
ec2c5e43 | 173 | |
eb60f9cd | 174 | void manager_refresh_rrs(Manager *m); |
ec2c5e43 | 175 | int manager_next_hostname(Manager *m); |
74b2466e | 176 | |
a4076574 LP |
177 | bool manager_our_packet(Manager *m, DnsPacket *p); |
178 | DnsScope* manager_find_scope(Manager *m, DnsPacket *p); | |
091a364c | 179 | |
902bb5d8 LP |
180 | void manager_verify_all(Manager *m); |
181 | ||
091a364c | 182 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); |
091a364c | 183 | |
15dd4515 | 184 | /* For some reason we need some extra cmsg space on some kernels/archs. One of those days we need to figure out why */ |
623a4c97 | 185 | #define EXTRA_CMSG_SPACE 1024 |
4e945a6f | 186 | |
78c6a153 LP |
187 | int manager_is_own_hostname(Manager *m, const char *name); |
188 | ||
9176a57c | 189 | int manager_compile_dns_servers(Manager *m, OrderedSet **servers); |
6f7da49d | 190 | int manager_compile_search_domains(Manager *m, OrderedSet **domains, int filter_route); |
c69fa7e3 LP |
191 | |
192 | DnssecMode manager_get_dnssec_mode(Manager *m); | |
193 | bool manager_dnssec_supported(Manager *m); | |
59c5b597 | 194 | |
c9299be2 | 195 | DnsOverTlsMode manager_get_dns_over_tls_mode(Manager *m); |
5d67a7ae | 196 | |
59c5b597 | 197 | void manager_dnssec_verdict(Manager *m, DnssecVerdict verdict, const DnsResourceKey *key); |
011696f7 LP |
198 | |
199 | bool manager_routable(Manager *m, int family); | |
ba35662f LP |
200 | |
201 | void manager_flush_caches(Manager *m); | |
59c0fd0e | 202 | void manager_reset_server_features(Manager *m); |
943ef07c LP |
203 | |
204 | void manager_cleanup_saved_user(Manager *m); | |
e7c1b0e4 DR |
205 | |
206 | bool manager_next_dnssd_names(Manager *m); |