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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
623a4c97 LP |
2 | #pragma once |
3 | ||
4 | /*** | |
5 | This file is part of systemd. | |
6 | ||
7 | Copyright 2014 Lennart Poettering | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
23 | #include "hashmap.h" | |
24 | ||
25 | typedef struct DnsZone { | |
26 | Hashmap *by_key; | |
27 | Hashmap *by_name; | |
28 | } DnsZone; | |
29 | ||
ec2c5e43 LP |
30 | typedef struct DnsZoneItem DnsZoneItem; |
31 | typedef enum DnsZoneItemState DnsZoneItemState; | |
32 | ||
623a4c97 | 33 | #include "resolved-dns-answer.h" |
71d35b6b TA |
34 | #include "resolved-dns-question.h" |
35 | #include "resolved-dns-rr.h" | |
ec2c5e43 LP |
36 | #include "resolved-dns-transaction.h" |
37 | ||
38 | /* RFC 4795 Section 2.8. suggests a TTL of 30s by default */ | |
39 | #define LLMNR_DEFAULT_TTL (30) | |
40 | ||
400cb36e DR |
41 | /* RFC 6762 Section 10. suggests a TTL of 120s by default */ |
42 | #define MDNS_DEFAULT_TTL (120) | |
43 | ||
ec2c5e43 LP |
44 | enum DnsZoneItemState { |
45 | DNS_ZONE_ITEM_PROBING, | |
46 | DNS_ZONE_ITEM_ESTABLISHED, | |
47 | DNS_ZONE_ITEM_VERIFYING, | |
48 | DNS_ZONE_ITEM_WITHDRAWN, | |
49 | }; | |
50 | ||
51 | struct DnsZoneItem { | |
52 | DnsScope *scope; | |
53 | DnsResourceRecord *rr; | |
54 | ||
55 | DnsZoneItemState state; | |
56 | ||
57 | unsigned block_ready; | |
58 | ||
59 | bool probing_enabled; | |
60 | ||
61 | LIST_FIELDS(DnsZoneItem, by_key); | |
62 | LIST_FIELDS(DnsZoneItem, by_name); | |
63 | ||
64 | DnsTransaction *probe_transaction; | |
65 | }; | |
623a4c97 LP |
66 | |
67 | void dns_zone_flush(DnsZone *z); | |
68 | ||
ec2c5e43 | 69 | int dns_zone_put(DnsZone *z, DnsScope *s, DnsResourceRecord *rr, bool probe); |
623a4c97 LP |
70 | void dns_zone_remove_rr(DnsZone *z, DnsResourceRecord *rr); |
71 | ||
97ebebbc | 72 | int dns_zone_lookup(DnsZone *z, DnsResourceKey *key, int ifindex, DnsAnswer **answer, DnsAnswer **soa, bool *tentative); |
57f5ad31 | 73 | |
ec2c5e43 | 74 | void dns_zone_item_conflict(DnsZoneItem *i); |
547973de | 75 | void dns_zone_item_notify(DnsZoneItem *i); |
a4076574 LP |
76 | |
77 | int dns_zone_check_conflicts(DnsZone *zone, DnsResourceRecord *rr); | |
78 | int dns_zone_verify_conflicts(DnsZone *zone, DnsResourceKey *key); | |
902bb5d8 LP |
79 | |
80 | void dns_zone_verify_all(DnsZone *zone); | |
3ef64445 LP |
81 | |
82 | void dns_zone_item_probe_stop(DnsZoneItem *i); | |
4d506d6b LP |
83 | |
84 | void dns_zone_dump(DnsZone *zone, FILE *f); | |
85 | bool dns_zone_is_empty(DnsZone *zone); |