Add SPDX license identifiers to source files under the LGPL

[thirdparty/systemd.git] / src / resolve / resolved-dns-query.h

diff --git a/src/resolve/resolved-dns-query.h b/src/resolve/resolved-dns-query.h
index b71bb2352b97f62509ce64b2655f84f4d9efcb9f..c01dc35777b3c7ebd248c47b0cfa522644cca2cc 100644 (file)
--- a/src/resolve/resolved-dns-query.h
+++ b/src/resolve/resolved-dns-query.h
@@ -1,5 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
 /***
@@ -59,10 +58,23 @@ struct DnsQuery {
         unsigned n_auxiliary_queries;
         int auxiliary_result;
 
-        DnsQuestion *question;
+        /* The question, formatted in IDNA for use on classic DNS, and as UTF8 for use in LLMNR or mDNS. Note that even
+         * on classic DNS some labels might use UTF8 encoding. Specifically, DNS-SD service names (in contrast to their
+         * domain suffixes) use UTF-8 encoding even on DNS. Thus, the difference between these two fields is mostly
+         * relevant only for explicit *hostname* lookups as well as the domain suffixes of service lookups. */
+        DnsQuestion *question_idna;
+        DnsQuestion *question_utf8;
+
         uint64_t flags;
         int ifindex;
 
+        /* If true, A or AAAA RR lookups will be suppressed on links with no routable address of the matching address
+         * family */
+        bool suppress_unroutable_family;
+
+        /* If true, the RR TTLs of the answer will be clamped by their current left validity in the cache */
+        bool clamp_ttl;
+
         DnsTransactionState state;
         unsigned n_cname_redirects;
 
@@ -72,10 +84,13 @@ struct DnsQuery {
         /* Discovered data */
         DnsAnswer *answer;
         int answer_rcode;
+        DnssecResult answer_dnssec_result;
+        bool answer_authenticated;
         DnsProtocol answer_protocol;
         int answer_family;
         DnsSearchDomain *answer_search_domain;
-        bool answer_authenticated;
+        int answer_errno; /* if state is DNS_TRANSACTION_ERRNO */
+        bool previous_redirect_unauthenticated;
 
         /* Bus client information */
         sd_bus_message *request;
@@ -83,6 +98,12 @@ struct DnsQuery {
         bool request_address_valid;
         union in_addr_union request_address;
         unsigned block_all_complete;
+        char *request_address_string;
+
+        /* DNS stub information */
+        DnsPacket *request_dns_packet;
+        DnsStream *request_dns_stream;
+        DnsPacket *reply_dns_packet;
 
         /* Completion callback */
         void (*complete)(DnsQuery* q);
@@ -94,10 +115,16 @@ struct DnsQuery {
         LIST_FIELDS(DnsQuery, auxiliary_queries);
 };
 
+enum {
+        DNS_QUERY_MATCH,
+        DNS_QUERY_NOMATCH,
+        DNS_QUERY_RESTARTED,
+};
+
 DnsQueryCandidate* dns_query_candidate_free(DnsQueryCandidate *c);
-void dns_query_candidate_ready(DnsQueryCandidate *c);
+void dns_query_candidate_notify(DnsQueryCandidate *c);
 
-int dns_query_new(Manager *m, DnsQuery **q, DnsQuestion *question, int family, uint64_t flags);
+int dns_query_new(Manager *m, DnsQuery **q, DnsQuestion *question_utf8, DnsQuestion *question_idna, int family, uint64_t flags);
 DnsQuery *dns_query_free(DnsQuery *q);
 
 int dns_query_make_auxiliary(DnsQuery *q, DnsQuery *auxiliary_for);
@@ -109,4 +136,10 @@ int dns_query_process_cname(DnsQuery *q);
 
 int dns_query_bus_track(DnsQuery *q, sd_bus_message *m);
 
+DnsQuestion* dns_query_question_for_protocol(DnsQuery *q, DnsProtocol protocol);
+
+const char *dns_query_string(DnsQuery *q);
+
 DEFINE_TRIVIAL_CLEANUP_FUNC(DnsQuery*, dns_query_free);
+
+bool dns_query_fully_authenticated(DnsQuery *q);