Commit 230c9ac4 authored by Marek Vavruša's avatar Marek Vavruša
Browse files

lib/dnssec: ascend if the referral went below signer key name

refs #33
parent e71e9a5f
......@@ -351,6 +351,12 @@ static int validate(knot_layer_t *ctx, knot_pkt_t *pkt)
DEBUG_MSG(qry, ">< cut changed, needs revalidation\n");
if (knot_dname_is_sub(sig_name, qry-> {
qry-> = knot_dname_copy(sig_name, &req->pool);
} else if (!knot_dname_is_equal(sig_name, qry-> && qry->zone_cut.parent) {
/* Key signer is above the current cut, so we can't validate it. This happens when
a server is authoritative for both grandparent, parent and child zone.
Ascend to parent cut, and refetch authority for signer. */
memcpy(&qry->zone_cut, qry->zone_cut.parent, sizeof(qry->zone_cut));
qry-> = knot_dname_copy(sig_name, &req->pool);
knot_wire_set_rcode(pkt->wire, KNOT_RCODE_SERVFAIL); /* Prevent caching */
qry->flags &= ~QUERY_RESOLVED;
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