chiark / gitweb /
resolved: most DNS servers can't handle more than one question per packet, hence...
[elogind.git] / src / resolve / resolved-dns-scope.h
1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3 #pragma once
4
5 /***
6   This file is part of systemd.
7
8   Copyright 2014 Lennart Poettering
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
24 #include "list.h"
25
26 typedef struct DnsScope DnsScope;
27
28 #include "resolved.h"
29 #include "resolved-link.h"
30 #include "resolved-dns-server.h"
31 #include "resolved-dns-packet.h"
32 #include "resolved-dns-query.h"
33 #include "resolved-dns-cache.h"
34
35 typedef enum DnsScopeMatch {
36         DNS_SCOPE_NO,
37         DNS_SCOPE_MAYBE,
38         DNS_SCOPE_YES,
39         _DNS_SCOPE_MATCH_MAX,
40         _DNS_SCOPE_INVALID = -1
41 } DnsScopeMatch;
42
43 struct DnsScope {
44         Manager *manager;
45
46         DnsProtocol protocol;
47         int family;
48
49         Link *link;
50
51         char **domains;
52
53         DnsCache cache;
54
55         LIST_HEAD(DnsQueryTransaction, transactions);
56
57         LIST_FIELDS(DnsScope, scopes);
58 };
59
60 int dns_scope_new(Manager *m, DnsScope **ret, Link *l, DnsProtocol p, int family);
61 DnsScope* dns_scope_free(DnsScope *s);
62
63 int dns_scope_send(DnsScope *s, DnsPacket *p);
64 int dns_scope_tcp_socket(DnsScope *s);
65
66 DnsScopeMatch dns_scope_good_domain(DnsScope *s, const char *domain);
67 int dns_scope_good_key(DnsScope *s, DnsResourceKey *key);
68
69 DnsServer *dns_scope_get_server(DnsScope *s);
70 void dns_scope_next_dns_server(DnsScope *s);
71
72 int dns_scope_llmnr_membership(DnsScope *s, bool b);