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