]> git.ipfire.org Git - thirdparty/systemd.git/blobdiff - src/resolve/resolved-dns-scope.h
Add SPDX license identifiers to source files under the LGPL
[thirdparty/systemd.git] / src / resolve / resolved-dns-scope.h
index f9b2bfda9dffb070bea8e30dd2409649f4d33af7..d3da8e54ea3e27c4d3d69e449e14ebbda94cfb3b 100644 (file)
@@ -1,5 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
 /***
 typedef struct DnsScope DnsScope;
 
 #include "resolved-dns-cache.h"
+#include "resolved-dns-dnssec.h"
 #include "resolved-dns-packet.h"
+#include "resolved-dns-query.h"
+#include "resolved-dns-search-domain.h"
 #include "resolved-dns-server.h"
+#include "resolved-dns-stream.h"
 #include "resolved-dns-zone.h"
 #include "resolved-link.h"
 
@@ -44,23 +47,36 @@ struct DnsScope {
 
         DnsProtocol protocol;
         int family;
+        DnssecMode dnssec_mode;
 
         Link *link;
 
-        char **domains;
-
         DnsCache cache;
         DnsZone zone;
 
         OrderedHashmap *conflict_queue;
         sd_event_source *conflict_event_source;
 
+        bool announced:1;
+        sd_event_source *announce_event_source;
+
         RateLimit ratelimit;
 
         usec_t resend_timeout;
         usec_t max_rtt;
 
-        Hashmap *transactions;
+        LIST_HEAD(DnsQueryCandidate, query_candidates);
+
+        /* Note that we keep track of ongoing transactions in two
+         * ways: once in a hashmap, indexed by the rr key, and once in
+         * a linked list. We use the hashmap to quickly find
+         * transactions we can reuse for a key. But note that there
+         * might be multiple transactions for the same key (because
+         * the zone probing can't reuse a transaction answered from
+         * the zone or the cache), and the hashmap only tracks the
+         * most recent entry. */
+        Hashmap *transactions_by_key;
+        LIST_HEAD(DnsTransaction, transactions);
 
         LIST_FIELDS(DnsScope, scopes);
 };
@@ -71,18 +87,20 @@ DnsScope* dns_scope_free(DnsScope *s);
 void dns_scope_packet_received(DnsScope *s, usec_t rtt);
 void dns_scope_packet_lost(DnsScope *s, usec_t usec);
 
-int dns_scope_emit(DnsScope *s, int fd, DnsPacket *p);
-int dns_scope_tcp_socket(DnsScope *s, int family, const union in_addr_union *address, uint16_t port, DnsServer **server);
-int dns_scope_udp_dns_socket(DnsScope *s, DnsServer **server);
+int dns_scope_emit_udp(DnsScope *s, int fd, DnsPacket *p);
+int dns_scope_socket_tcp(DnsScope *s, int family, const union in_addr_union *address, DnsServer *server, uint16_t port);
+int dns_scope_socket_udp(DnsScope *s, DnsServer *server, uint16_t port);
 
 DnsScopeMatch dns_scope_good_domain(DnsScope *s, int ifindex, uint64_t flags, const char *domain);
-int dns_scope_good_key(DnsScope *s, DnsResourceKey *key);
+bool dns_scope_good_key(DnsScope *s, const DnsResourceKey *key);
 
 DnsServer *dns_scope_get_dns_server(DnsScope *s);
 void dns_scope_next_dns_server(DnsScope *s);
 
 int dns_scope_llmnr_membership(DnsScope *s, bool b);
+int dns_scope_mdns_membership(DnsScope *s, bool b);
 
+int dns_scope_make_reply_packet(DnsScope *s, uint16_t id, int rcode, DnsQuestion *q, DnsAnswer *answer, DnsAnswer *soa, bool tentative, DnsPacket **ret);
 void dns_scope_process_query(DnsScope *s, DnsStream *stream, DnsPacket *p);
 
 DnsTransaction *dns_scope_find_transaction(DnsScope *scope, DnsResourceKey *key, bool cache_ok);
@@ -91,3 +109,13 @@ int dns_scope_notify_conflict(DnsScope *scope, DnsResourceRecord *rr);
 void dns_scope_check_conflicts(DnsScope *scope, DnsPacket *p);
 
 void dns_scope_dump(DnsScope *s, FILE *f);
+
+DnsSearchDomain *dns_scope_get_search_domains(DnsScope *s);
+
+bool dns_scope_name_needs_search_domain(DnsScope *s, const char *name);
+
+bool dns_scope_network_good(DnsScope *s);
+
+int dns_scope_ifindex(DnsScope *s);
+
+int dns_scope_announce(DnsScope *scope, bool goodbye);