1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2014 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"
26 #include "sd-netlink.h"
30 typedef struct Manager Manager
;
31 typedef enum Support Support
;
41 #include "resolved-dns-query.h"
42 #include "resolved-dns-stream.h"
43 #include "resolved-link.h"
48 Support llmnr_support
;
54 sd_event_source
*rtnl_event_source
;
56 sd_network_monitor
*network_monitor
;
57 sd_event_source
*network_event_source
;
59 /* DNS query management */
60 Hashmap
*dns_transactions
;
61 LIST_HEAD(DnsQuery
, dns_queries
);
62 unsigned n_dns_queries
;
64 LIST_HEAD(DnsStream
, dns_streams
);
65 unsigned n_dns_streams
;
68 LIST_HEAD(DnsServer
, dns_servers
);
69 LIST_HEAD(DnsServer
, fallback_dns_servers
);
70 DnsServer
*current_dns_server
;
72 bool read_resolv_conf
;
73 usec_t resolv_conf_mtime
;
75 LIST_HEAD(DnsScope
, dns_scopes
);
76 DnsScope
*unicast_scope
;
79 int llmnr_ipv4_udp_fd
;
80 int llmnr_ipv6_udp_fd
;
81 int llmnr_ipv4_tcp_fd
;
82 int llmnr_ipv6_tcp_fd
;
84 sd_event_source
*llmnr_ipv4_udp_event_source
;
85 sd_event_source
*llmnr_ipv6_udp_event_source
;
86 sd_event_source
*llmnr_ipv4_tcp_event_source
;
87 sd_event_source
*llmnr_ipv6_tcp_event_source
;
91 sd_event_source
*bus_retry_event_source
;
93 /* The hostname we publish on LLMNR and mDNS */
96 DnsResourceKey
*llmnr_host_ipv4_key
;
97 DnsResourceKey
*llmnr_host_ipv6_key
;
99 /* Watch the system hostname */
101 sd_event_source
*hostname_event_source
;
103 /* Watch for system suspends */
104 sd_bus_slot
*prepare_for_sleep_slot
;
106 sd_event_source
*sigusr1_event_source
;
111 int manager_new(Manager
**ret
);
112 Manager
* manager_free(Manager
*m
);
114 int manager_start(Manager
*m
);
115 int manager_read_resolv_conf(Manager
*m
);
116 int manager_write_resolv_conf(Manager
*m
);
118 DnsServer
*manager_set_dns_server(Manager
*m
, DnsServer
*s
);
119 DnsServer
*manager_find_dns_server(Manager
*m
, int family
, const union in_addr_union
*in_addr
);
120 DnsServer
*manager_get_dns_server(Manager
*m
);
121 void manager_next_dns_server(Manager
*m
);
123 uint32_t manager_find_mtu(Manager
*m
);
125 int manager_write(Manager
*m
, int fd
, DnsPacket
*p
);
126 int manager_send(Manager
*m
, int fd
, int ifindex
, int family
, const union in_addr_union
*addr
, uint16_t port
, DnsPacket
*p
);
127 int manager_recv(Manager
*m
, int fd
, DnsProtocol protocol
, DnsPacket
**ret
);
129 int manager_find_ifindex(Manager
*m
, int family
, const union in_addr_union
*in_addr
);
130 LinkAddress
* manager_find_link_address(Manager
*m
, int family
, const union in_addr_union
*in_addr
);
132 void manager_refresh_rrs(Manager
*m
);
133 int manager_next_hostname(Manager
*m
);
135 bool manager_our_packet(Manager
*m
, DnsPacket
*p
);
136 DnsScope
* manager_find_scope(Manager
*m
, DnsPacket
*p
);
138 void manager_verify_all(Manager
*m
);
140 void manager_flush_dns_servers(Manager
*m
, DnsServerType t
);
142 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager
*, manager_free
);
144 #define EXTRA_CMSG_SPACE 1024
146 int manager_is_own_hostname(Manager
*m
, const char *name
);
148 const char* support_to_string(Support p
) _const_
;
149 int support_from_string(const char *s
) _pure_
;