-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
#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 "hashmap.h"
typedef struct DnsZone {
Hashmap *by_name;
} DnsZone;
-#include "resolved-dns-rr.h"
-#include "resolved-dns-question.h"
+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, DnsResourceRecord *rr);
+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);
-int dns_zone_lookup(DnsZone *z, DnsQuestion *q, DnsAnswer **answer);
+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);