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- Fix #3512: unbound incorrectly reports SERVFAIL for CAA query

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when there is a CNAME loop.


git-svn-id: file:///svn/unbound/trunk@4544 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards
2018-02-21 13:13:58 +00:00
parent a92e9692c1
commit b89db70821
2 changed files with 16 additions and 0 deletions
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doc/Changelog
+4
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@@ -1,3 +1,7 @@
21 February 2018: Wouter
- Fix #3512: unbound incorrectly reports SERVFAIL for CAA query
when there is a CNAME loop.
19 February 2018: Wouter
- Fix #3505: Documentation for default local zones references
wrong RFC.
iterator/iterator.c
+12
View File
@@ -1157,6 +1157,10 @@ processInitRequest(struct module_qstate* qstate, struct iter_qstate* iq,
if(iq->query_restart_count > MAX_RESTART_COUNT) {
verbose(VERB_QUERY, "request has exceeded the maximum number"
" of query restarts with %d", iq->query_restart_count);
if(iq->response) {
iq->state = FINISHED_STATE;
return 1;
}
return error_response(qstate, id, LDNS_RCODE_SERVFAIL);
}
@@ -1246,6 +1250,10 @@ processInitRequest(struct module_qstate* qstate, struct iter_qstate* iq,
iq->qchase.qname_len = slen;
/* This *is* a query restart, even if it is a cheap
* one. */
msg->rep->an_numrrsets = 0;
msg->rep->ns_numrrsets = 0;
msg->rep->ar_numrrsets = 0;
msg->rep->rrset_count = 0;
iq->dp = NULL;
iq->refetch_glue = 0;
iq->query_restart_count++;
@@ -2739,6 +2747,10 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
if (qstate->env->cfg->qname_minimisation)
iq->minimisation_state = INIT_MINIMISE_STATE;
/* Clear the query state, since this is a query restart. */
iq->response->rep->an_numrrsets = 0;
iq->response->rep->ns_numrrsets = 0;
iq->response->rep->ar_numrrsets = 0;
iq->response->rep->rrset_count = 0;
iq->deleg_msg = NULL;
iq->dp = NULL;
iq->dsns_point = NULL;