diff options
Diffstat (limited to 'src/grp-resolve/systemd-resolved/resolved-dns-zone.h')
-rw-r--r-- | src/grp-resolve/systemd-resolved/resolved-dns-zone.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/grp-resolve/systemd-resolved/resolved-dns-zone.h b/src/grp-resolve/systemd-resolved/resolved-dns-zone.h new file mode 100644 index 0000000000..789fe24cde --- /dev/null +++ b/src/grp-resolve/systemd-resolved/resolved-dns-zone.h @@ -0,0 +1,82 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright 2014 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include "basic/hashmap.h" + +typedef struct DnsZone { + Hashmap *by_key; + Hashmap *by_name; +} DnsZone; + +#include "resolved-dns-answer.h" +#include "resolved-dns-question.h" +#include "resolved-dns-rr.h" + +typedef enum DnsZoneItemState DnsZoneItemState; +typedef struct DnsZoneItem DnsZoneItem; + +#include "resolved-dns-transaction.h" + +/* RFC 4795 Section 2.8. suggests a TTL of 30s by default */ +#define LLMNR_DEFAULT_TTL (30) + +enum DnsZoneItemState { + DNS_ZONE_ITEM_PROBING, + DNS_ZONE_ITEM_ESTABLISHED, + DNS_ZONE_ITEM_VERIFYING, + DNS_ZONE_ITEM_WITHDRAWN, +}; + +struct DnsZoneItem { + DnsScope *scope; + DnsResourceRecord *rr; + + DnsZoneItemState state; + + unsigned block_ready; + + bool probing_enabled; + + LIST_FIELDS(DnsZoneItem, by_key); + LIST_FIELDS(DnsZoneItem, by_name); + + DnsTransaction *probe_transaction; +}; + +void dns_zone_flush(DnsZone *z); + +int dns_zone_put(DnsZone *z, DnsScope *s, DnsResourceRecord *rr, bool probe); +void dns_zone_remove_rr(DnsZone *z, DnsResourceRecord *rr); + +int dns_zone_lookup(DnsZone *z, DnsResourceKey *key, int ifindex, DnsAnswer **answer, DnsAnswer **soa, bool *tentative); + +void dns_zone_item_conflict(DnsZoneItem *i); +void dns_zone_item_notify(DnsZoneItem *i); + +int dns_zone_check_conflicts(DnsZone *zone, DnsResourceRecord *rr); +int dns_zone_verify_conflicts(DnsZone *zone, DnsResourceKey *key); + +void dns_zone_verify_all(DnsZone *zone); + +void dns_zone_item_probe_stop(DnsZoneItem *i); + +void dns_zone_dump(DnsZone *zone, FILE *f); +bool dns_zone_is_empty(DnsZone *zone); |