1 files changed, 0 insertions, 83 deletions
diff --git a/contrib/unbound/validator/val_nsec.c b/contrib/unbound/validator/val_nsec.c
index a795e77339d3..032d2ae03a42 100644
--- a/contrib/unbound/validator/val_nsec.c
+++ b/contrib/unbound/validator/val_nsec.c
@@ -541,86 +541,3 @@ val_nsec_proves_no_wc(struct ub_packed_rrset_key* nsec, uint8_t* qname,
 	}
 	return 0;
 }
-
-/**
- * Find shared topdomain that exists
- */
-static void
-dlv_topdomain(struct ub_packed_rrset_key* nsec, uint8_t* qname,
-	uint8_t** nm, size_t* nm_len)
-{
-	/* make sure reply is part of nm */
-	/* take shared topdomain with left of NSEC. */
-
-	/* because, if empty nonterminal, then right is subdomain of qname.
-	 * and any shared topdomain would be empty nonterminals.
-	 * 
-	 * If nxdomain, then the right is bigger, and could have an 
-	 * interesting shared topdomain, but if it does have one, it is
-	 * an empty nonterminal. An empty nonterminal shared with the left
-	 * one. */
-	int n;
-	uint8_t* common = dname_get_shared_topdomain(qname, nsec->rk.dname);
-	n = dname_count_labels(*nm) - dname_count_labels(common);
-	dname_remove_labels(nm, nm_len, n);
-}
-
-int val_nsec_check_dlv(struct query_info* qinfo,
-        struct reply_info* rep, uint8_t** nm, size_t* nm_len)
-{
-	uint8_t* next;
-	size_t i, nlen;
-	int c;
-	/* we should now have a NOERROR/NODATA or NXDOMAIN message */
-	if(rep->an_numrrsets != 0) {
-		return 0;
-	}
-	/* is this NOERROR ? */
-	if(FLAGS_GET_RCODE(rep->flags) == LDNS_RCODE_NOERROR) {
-		/* it can be a plain NSEC match - go up one more level. */
-		/* or its an empty nonterminal - go up to nonempty level */
-		for(i=0; i<rep->ns_numrrsets; i++) {
-			if(htons(rep->rrsets[i]->rk.type)!=LDNS_RR_TYPE_NSEC ||
-				!nsec_get_next(rep->rrsets[i], &next, &nlen))
-				continue;
-			c = dname_canonical_compare(
-				rep->rrsets[i]->rk.dname, qinfo->qname);
-			if(c == 0) {
-				/* plain match */
-				if(nsec_has_type(rep->rrsets[i],
-					LDNS_RR_TYPE_DLV))
-					return 0;
-				dname_remove_label(nm, nm_len);
-				return 1;
-			} else if(c < 0 && 
-				dname_strict_subdomain_c(next, qinfo->qname)) {
-				/* ENT */
-				dlv_topdomain(rep->rrsets[i], qinfo->qname,
-					nm, nm_len);
-				return 1;
-			}
-		}
-		return 0;
-	}
-
-	/* is this NXDOMAIN ? */
-	if(FLAGS_GET_RCODE(rep->flags) == LDNS_RCODE_NXDOMAIN) {
-		/* find the qname denial NSEC record. It can tell us
-		 * a closest encloser name; or that we not need bother */
-		for(i=0; i<rep->ns_numrrsets; i++) {
-			if(htons(rep->rrsets[i]->rk.type) != LDNS_RR_TYPE_NSEC)
-				continue;
-			if(val_nsec_proves_name_error(rep->rrsets[i], 
-				qinfo->qname)) {
-				log_nametypeclass(VERB_ALGO, "topdomain on",
-					rep->rrsets[i]->rk.dname, 
-					ntohs(rep->rrsets[i]->rk.type), 0);
-				dlv_topdomain(rep->rrsets[i], qinfo->qname,
-					nm, nm_len);
-				return 1;
-			}
-		}
-		return 0;
-	}
-	return 0;
-}