From 19f4f86bfed21c5326ed2acebe1163f3a83e832b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 04:25:50 +0200 Subject: Adding upstream version 241. Signed-off-by: Daniel Baumann --- src/resolve/resolved-dns-zone.h | 69 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 src/resolve/resolved-dns-zone.h (limited to 'src/resolve/resolved-dns-zone.h') diff --git a/src/resolve/resolved-dns-zone.h b/src/resolve/resolved-dns-zone.h new file mode 100644 index 0000000..2719b21 --- /dev/null +++ b/src/resolve/resolved-dns-zone.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +#pragma once + +#include "hashmap.h" + +typedef struct DnsZone { + Hashmap *by_key; + Hashmap *by_name; +} DnsZone; + +typedef struct DnsZoneItem DnsZoneItem; +typedef enum DnsZoneItemState DnsZoneItemState; + +#include "resolved-dns-answer.h" +#include "resolved-dns-question.h" +#include "resolved-dns-rr.h" +#include "resolved-dns-transaction.h" + +/* RFC 4795 Section 2.8. suggests a TTL of 30s by default */ +#define LLMNR_DEFAULT_TTL (30) + +/* RFC 6762 Section 10. suggests a TTL of 120s by default */ +#define MDNS_DEFAULT_TTL (120) + +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); +DnsZoneItem* dns_zone_get(DnsZone *z, DnsResourceRecord *rr); +void dns_zone_remove_rr(DnsZone *z, DnsResourceRecord *rr); +int dns_zone_remove_rrs_by_key(DnsZone *z, DnsResourceKey *key); + +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); +bool dns_zone_contains_name(DnsZone *z, const char *name); -- cgit v1.2.3