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Restore dns64 state during serve-stale processing

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If we are in the process of looking for the A records as part of
dns64 processing and the server-stale timeout triggers, redo the
dns64 changes that had been made to the orignal qctx.

(cherry picked from commit 1fcc483df1)
This commit is contained in:
Mark Andrews 2023-10-12 12:01:46 +11:00 committed by Michał Kępień
parent c747f1ca6f
commit f7e137f321
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1 changed files with 7 additions and 0 deletions
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7
lib/ns/query.c
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@ -6228,6 +6228,13 @@ query_lookup_stale(ns_client_t *client) {
query_ctx_t qctx;
qctx_init(client, NULL, client->query.qtype, &qctx);
if (DNS64(client)) {
qctx.qtype = qctx.type = dns_rdatatype_a;
qctx.dns64 = true;
}
if (DNS64EXCLUDE(client)) {
qctx.dns64_exclude = true;
}
dns_db_attach(client->view->cachedb, &qctx.db);
client->query.attributes &= ~NS_QUERYATTR_RECURSIONOK;
client->query.dboptions |= DNS_DBFIND_STALETIMEOUT;