1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2013 Tom Gundersen <teg@jklm.no>
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.
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.
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/>.
25 #include "sd-network.h"
29 #include "in-addr-util.h"
32 typedef struct Manager Manager;
34 #include "resolved-dns-query.h"
35 #include "resolved-dns-server.h"
36 #include "resolved-dns-scope.h"
37 #include "resolved-dns-stream.h"
48 sd_event_source *rtnl_event_source;
50 sd_network_monitor *network_monitor;
51 sd_event_source *network_event_source;
53 /* DNS query management */
54 Hashmap *dns_transactions;
55 LIST_HEAD(DnsQuery, dns_queries);
56 unsigned n_dns_queries;
58 LIST_HEAD(DnsStream, dns_streams);
59 unsigned n_dns_streams;
65 sd_event_source *dns_ipv4_event_source;
66 sd_event_source *dns_ipv6_event_source;
68 LIST_HEAD(DnsServer, dns_servers);
69 DnsServer *current_dns_server;
71 LIST_HEAD(DnsScope, dns_scopes);
72 DnsScope *unicast_scope;
75 int llmnr_ipv4_udp_fd;
76 int llmnr_ipv6_udp_fd;
77 int llmnr_ipv4_tcp_fd;
78 int llmnr_ipv6_tcp_fd;
80 sd_event_source *llmnr_ipv4_udp_event_source;
81 sd_event_source *llmnr_ipv6_udp_event_source;
82 sd_event_source *llmnr_ipv4_tcp_event_source;
83 sd_event_source *llmnr_ipv6_tcp_event_source;
87 sd_event_source *bus_retry_event_source;
89 /* The hostname we publish on LLMNR and mDNS */
91 DnsResourceKey *host_ipv4_key;
92 DnsResourceKey *host_ipv6_key;
94 /* Watch the system hostname */
96 sd_event_source *hostname_event_source;
101 int manager_new(Manager **ret);
102 Manager* manager_free(Manager *m);
104 int manager_parse_config_file(Manager *m);
105 int manager_write_resolv_conf(Manager *m);
107 DnsServer* manager_find_dns_server(Manager *m, int family, const union in_addr_union *in_addr);
108 DnsServer *manager_get_dns_server(Manager *m);
109 void manager_next_dns_server(Manager *m);
111 uint32_t manager_find_mtu(Manager *m);
113 int manager_send(Manager *m, int fd, int ifindex, int family, const union in_addr_union *addr, uint16_t port, DnsPacket *p);
114 int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret);
116 int manager_dns_ipv4_fd(Manager *m);
117 int manager_dns_ipv6_fd(Manager *m);
118 int manager_llmnr_ipv4_udp_fd(Manager *m);
119 int manager_llmnr_ipv6_udp_fd(Manager *m);
120 int manager_llmnr_ipv4_tcp_fd(Manager *m);
121 int manager_llmnr_ipv6_tcp_fd(Manager *m);
123 int manager_ifindex_is_loopback(Manager *m, int ifindex);
124 int manager_find_ifindex(Manager *m, int family, const union in_addr_union *in_addr);
125 LinkAddress* manager_find_address(Manager *m, int family, const union in_addr_union *in_addr);
127 void manager_refresh_rrs(Manager *m);
128 int manager_next_hostname(Manager *m);
130 int manager_our_packet(Manager *m, DnsPacket *p);
131 int manager_connect_bus(Manager *m);
133 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
135 const struct ConfigPerfItem* resolved_gperf_lookup(const char *key, unsigned length);
136 int config_parse_dnsv(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
138 #define EXTRA_CMSG_SPACE 1024