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-rw-r--r--src/resolve/resolved-dns-query.c69
1 files changed, 41 insertions, 28 deletions
diff --git a/src/resolve/resolved-dns-query.c b/src/resolve/resolved-dns-query.c
index a6565f2ba2..610b914e74 100644
--- a/src/resolve/resolved-dns-query.c
+++ b/src/resolve/resolved-dns-query.c
@@ -185,6 +185,14 @@ static DnsTransactionState dns_query_candidate_state(DnsQueryCandidate *c) {
switch (t->state) {
+ case DNS_TRANSACTION_NULL:
+ /* If there's a NULL transaction pending, then
+ * this means not all transactions where
+ * started yet, and we were called from within
+ * the stackframe that is supposed to start
+ * remaining transactions. In this case,
+ * simply claim the candidate is pending. */
+
case DNS_TRANSACTION_PENDING:
case DNS_TRANSACTION_VALIDATING:
/* If there's one transaction currently in
@@ -197,9 +205,6 @@ static DnsTransactionState dns_query_candidate_state(DnsQueryCandidate *c) {
state = t->state;
break;
- case DNS_TRANSACTION_NULL:
- assert_not_reached("Transaction not started?");
-
default:
if (state != DNS_TRANSACTION_SUCCESS)
state = t->state;
@@ -549,7 +554,7 @@ static int synthesize_localhost_rr(DnsQuery *q, DnsResourceKey *key, DnsAnswer *
rr->a.in_addr.s_addr = htobe32(INADDR_LOOPBACK);
- r = dns_answer_add(*answer, rr, SYNTHESIZE_IFINDEX(q->ifindex));
+ r = dns_answer_add(*answer, rr, SYNTHESIZE_IFINDEX(q->ifindex), DNS_ANSWER_AUTHENTICATED);
if (r < 0)
return r;
}
@@ -563,7 +568,7 @@ static int synthesize_localhost_rr(DnsQuery *q, DnsResourceKey *key, DnsAnswer *
rr->aaaa.in6_addr = in6addr_loopback;
- r = dns_answer_add(*answer, rr, SYNTHESIZE_IFINDEX(q->ifindex));
+ r = dns_answer_add(*answer, rr, SYNTHESIZE_IFINDEX(q->ifindex), DNS_ANSWER_AUTHENTICATED);
if (r < 0)
return r;
}
@@ -571,7 +576,7 @@ static int synthesize_localhost_rr(DnsQuery *q, DnsResourceKey *key, DnsAnswer *
return 0;
}
-static int answer_add_ptr(DnsAnswer **answer, const char *from, const char *to, int ifindex) {
+static int answer_add_ptr(DnsAnswer **answer, const char *from, const char *to, int ifindex, DnsAnswerFlags flags) {
_cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_PTR, from);
@@ -582,7 +587,7 @@ static int answer_add_ptr(DnsAnswer **answer, const char *from, const char *to,
if (!rr->ptr.name)
return -ENOMEM;
- return dns_answer_add(*answer, rr, ifindex);
+ return dns_answer_add(*answer, rr, ifindex, flags);
}
static int synthesize_localhost_ptr(DnsQuery *q, DnsResourceKey *key, DnsAnswer **answer) {
@@ -592,12 +597,12 @@ static int synthesize_localhost_ptr(DnsQuery *q, DnsResourceKey *key, DnsAnswer
assert(key);
assert(answer);
- r = dns_answer_reserve(answer, 1);
- if (r < 0)
- return r;
-
if (IN_SET(key->type, DNS_TYPE_PTR, DNS_TYPE_ANY)) {
- r = answer_add_ptr(answer, DNS_RESOURCE_KEY_NAME(key), "localhost", SYNTHESIZE_IFINDEX(q->ifindex));
+ r = dns_answer_reserve(answer, 1);
+ if (r < 0)
+ return r;
+
+ r = answer_add_ptr(answer, DNS_RESOURCE_KEY_NAME(key), "localhost", SYNTHESIZE_IFINDEX(q->ifindex), DNS_ANSWER_AUTHENTICATED);
if (r < 0)
return r;
}
@@ -628,7 +633,7 @@ static int answer_add_addresses_rr(
if (r < 0)
return r;
- r = dns_answer_add(*answer, rr, addresses[j].ifindex);
+ r = dns_answer_add(*answer, rr, addresses[j].ifindex, DNS_ANSWER_AUTHENTICATED);
if (r < 0)
return r;
}
@@ -669,7 +674,7 @@ static int answer_add_addresses_ptr(
if (r < 0)
return r;
- r = dns_answer_add(*answer, rr, addresses[j].ifindex);
+ r = dns_answer_add(*answer, rr, addresses[j].ifindex, DNS_ANSWER_AUTHENTICATED);
if (r < 0)
return r;
}
@@ -735,15 +740,15 @@ static int synthesize_system_hostname_ptr(DnsQuery *q, int af, const union in_ad
if (r < 0)
return r;
- r = answer_add_ptr(answer, "2.0.0.127.in-addr.arpa", q->manager->llmnr_hostname, SYNTHESIZE_IFINDEX(q->ifindex));
+ r = answer_add_ptr(answer, "2.0.0.127.in-addr.arpa", q->manager->llmnr_hostname, SYNTHESIZE_IFINDEX(q->ifindex), DNS_ANSWER_AUTHENTICATED);
if (r < 0)
return r;
- r = answer_add_ptr(answer, "2.0.0.127.in-addr.arpa", q->manager->mdns_hostname, SYNTHESIZE_IFINDEX(q->ifindex));
+ r = answer_add_ptr(answer, "2.0.0.127.in-addr.arpa", q->manager->mdns_hostname, SYNTHESIZE_IFINDEX(q->ifindex), DNS_ANSWER_AUTHENTICATED);
if (r < 0)
return r;
- r = answer_add_ptr(answer, "2.0.0.127.in-addr.arpa", "localhost", SYNTHESIZE_IFINDEX(q->ifindex));
+ r = answer_add_ptr(answer, "2.0.0.127.in-addr.arpa", "localhost", SYNTHESIZE_IFINDEX(q->ifindex), DNS_ANSWER_AUTHENTICATED);
if (r < 0)
return r;
@@ -805,7 +810,7 @@ static int dns_query_synthesize_reply(DnsQuery *q, DnsTransactionState *state) {
/* Tries to synthesize localhost RR replies where appropriate */
if (!IN_SET(*state,
- DNS_TRANSACTION_FAILURE,
+ DNS_TRANSACTION_RCODE_FAILURE,
DNS_TRANSACTION_NO_SERVERS,
DNS_TRANSACTION_TIMEOUT,
DNS_TRANSACTION_ATTEMPTS_MAX_REACHED))
@@ -981,6 +986,7 @@ fail:
static void dns_query_accept(DnsQuery *q, DnsQueryCandidate *c) {
DnsTransactionState state = DNS_TRANSACTION_NO_SERVERS;
bool has_authenticated = false, has_non_authenticated = false;
+ DnssecResult dnssec_result_authenticated = _DNSSEC_RESULT_INVALID, dnssec_result_non_authenticated = _DNSSEC_RESULT_INVALID;
DnsTransaction *t;
Iterator i;
int r;
@@ -1004,12 +1010,16 @@ static void dns_query_accept(DnsQuery *q, DnsQueryCandidate *c) {
dns_query_complete(q, DNS_TRANSACTION_RESOURCES);
return;
}
+
q->answer_rcode = t->answer_rcode;
- if (t->answer_authenticated)
+ if (t->answer_authenticated) {
has_authenticated = true;
- else
+ dnssec_result_authenticated = t->answer_dnssec_result;
+ } else {
has_non_authenticated = true;
+ dnssec_result_non_authenticated = t->answer_dnssec_result;
+ }
state = DNS_TRANSACTION_SUCCESS;
break;
@@ -1026,22 +1036,25 @@ static void dns_query_accept(DnsQuery *q, DnsQueryCandidate *c) {
/* Any kind of failure? Store the data away,
* if there's nothing stored yet. */
- if (state != DNS_TRANSACTION_SUCCESS) {
-
- dns_answer_unref(q->answer);
- q->answer = dns_answer_ref(t->answer);
- q->answer_rcode = t->answer_rcode;
+ if (state == DNS_TRANSACTION_SUCCESS)
+ continue;
- state = t->state;
- }
+ q->answer = dns_answer_unref(q->answer);
+ q->answer_rcode = t->answer_rcode;
+ q->answer_dnssec_result = t->answer_dnssec_result;
+ state = t->state;
break;
}
}
+ if (state == DNS_TRANSACTION_SUCCESS) {
+ q->answer_authenticated = has_authenticated && !has_non_authenticated;
+ q->answer_dnssec_result = q->answer_authenticated ? dnssec_result_authenticated : dnssec_result_non_authenticated;
+ }
+
q->answer_protocol = c->scope->protocol;
q->answer_family = c->scope->family;
- q->answer_authenticated = has_authenticated && !has_non_authenticated;
dns_search_domain_unref(q->answer_search_domain);
q->answer_search_domain = dns_search_domain_ref(c->search_domain);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-28 09:58:57 +0000