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091a364c TG |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
74b2466e LP |
3 | #pragma once |
4 | ||
091a364c TG |
5 | /*** |
6 | This file is part of systemd. | |
7 | ||
4e945a6f | 8 | Copyright 2014 Tom Gundersen <teg@jklm.no> |
091a364c TG |
9 | |
10 | systemd is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU Lesser General Public License as published by | |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public License | |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
22 | ***/ | |
23 | ||
091a364c | 24 | #include "sd-event.h" |
1c4baffc | 25 | #include "sd-netlink.h" |
71d35b6b TA |
26 | #include "sd-network.h" |
27 | ||
74b2466e | 28 | #include "hashmap.h" |
71d35b6b | 29 | #include "list.h" |
091a364c | 30 | |
091a364c | 31 | typedef struct Manager Manager; |
19b50b5b | 32 | typedef enum Support Support; |
091a364c | 33 | |
19b50b5b | 34 | enum Support { |
4e945a6f LP |
35 | SUPPORT_NO, |
36 | SUPPORT_YES, | |
37 | SUPPORT_RESOLVE, | |
38 | _SUPPORT_MAX, | |
39 | _SUPPORT_INVALID = -1 | |
19b50b5b LP |
40 | }; |
41 | ||
42 | #include "resolved-dns-query.h" | |
a51c1048 LP |
43 | #include "resolved-dns-search-domain.h" |
44 | #include "resolved-dns-server.h" | |
19b50b5b LP |
45 | #include "resolved-dns-stream.h" |
46 | #include "resolved-link.h" | |
4e945a6f | 47 | |
091a364c TG |
48 | struct Manager { |
49 | sd_event *event; | |
50 | ||
4e945a6f | 51 | Support llmnr_support; |
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); |
74b2466e LP |
73 | DnsServer *current_dns_server; |
74 | ||
a51c1048 LP |
75 | LIST_HEAD(DnsSearchDomain, search_domains); |
76 | ||
00fa60ae | 77 | bool need_builtin_fallbacks:1; |
a51c1048 | 78 | |
00fa60ae | 79 | bool read_resolv_conf:1; |
5cb36f41 LP |
80 | usec_t resolv_conf_mtime; |
81 | ||
74b2466e LP |
82 | LIST_HEAD(DnsScope, dns_scopes); |
83 | DnsScope *unicast_scope; | |
84 | ||
1716f6dc LP |
85 | /* LLMNR */ |
86 | int llmnr_ipv4_udp_fd; | |
87 | int llmnr_ipv6_udp_fd; | |
623a4c97 LP |
88 | int llmnr_ipv4_tcp_fd; |
89 | int llmnr_ipv6_tcp_fd; | |
1716f6dc LP |
90 | |
91 | sd_event_source *llmnr_ipv4_udp_event_source; | |
92 | sd_event_source *llmnr_ipv6_udp_event_source; | |
623a4c97 LP |
93 | sd_event_source *llmnr_ipv4_tcp_event_source; |
94 | sd_event_source *llmnr_ipv6_tcp_event_source; | |
1716f6dc | 95 | |
74b2466e LP |
96 | /* dbus */ |
97 | sd_bus *bus; | |
98 | sd_event_source *bus_retry_event_source; | |
623a4c97 LP |
99 | |
100 | /* The hostname we publish on LLMNR and mDNS */ | |
78c6a153 LP |
101 | char *llmnr_hostname; |
102 | char *mdns_hostname; | |
103 | DnsResourceKey *llmnr_host_ipv4_key; | |
104 | DnsResourceKey *llmnr_host_ipv6_key; | |
eb60f9cd LP |
105 | |
106 | /* Watch the system hostname */ | |
107 | int hostname_fd; | |
108 | sd_event_source *hostname_event_source; | |
902bb5d8 LP |
109 | |
110 | /* Watch for system suspends */ | |
111 | sd_bus_slot *prepare_for_sleep_slot; | |
4d506d6b LP |
112 | |
113 | sd_event_source *sigusr1_event_source; | |
091a364c TG |
114 | }; |
115 | ||
116 | /* Manager */ | |
117 | ||
118 | int manager_new(Manager **ret); | |
74b2466e LP |
119 | Manager* manager_free(Manager *m); |
120 | ||
edc501d4 | 121 | int manager_start(Manager *m); |
74b2466e | 122 | |
e1c95994 | 123 | uint32_t manager_find_mtu(Manager *m); |
091a364c | 124 | |
72290734 | 125 | int manager_write(Manager *m, int fd, DnsPacket *p); |
623a4c97 | 126 | int manager_send(Manager *m, int fd, int ifindex, int family, const union in_addr_union *addr, uint16_t port, DnsPacket *p); |
1716f6dc | 127 | int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret); |
74b2466e | 128 | |
623a4c97 | 129 | int manager_find_ifindex(Manager *m, int family, const union in_addr_union *in_addr); |
4e945a6f | 130 | LinkAddress* manager_find_link_address(Manager *m, int family, const union in_addr_union *in_addr); |
ec2c5e43 | 131 | |
eb60f9cd | 132 | void manager_refresh_rrs(Manager *m); |
ec2c5e43 | 133 | int manager_next_hostname(Manager *m); |
74b2466e | 134 | |
a4076574 LP |
135 | bool manager_our_packet(Manager *m, DnsPacket *p); |
136 | DnsScope* manager_find_scope(Manager *m, DnsPacket *p); | |
091a364c | 137 | |
902bb5d8 LP |
138 | void manager_verify_all(Manager *m); |
139 | ||
091a364c | 140 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); |
091a364c | 141 | |
623a4c97 | 142 | #define EXTRA_CMSG_SPACE 1024 |
4e945a6f | 143 | |
78c6a153 LP |
144 | int manager_is_own_hostname(Manager *m, const char *name); |
145 | ||
4e945a6f LP |
146 | const char* support_to_string(Support p) _const_; |
147 | int support_from_string(const char *s) _pure_; |