From: Marek Vavruša <marek.vavrusa@nic.cz>
Date: Sun, 26 Apr 2015 21:10:55 +0000 (+0200)
Subject: lib/resolve: check for non-rd query input
X-Git-Tag: v1.0.0-beta1~228^2~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fadc042d5b98d1e265d6ff54bd083ccc09202e4d;p=thirdparty%2Fknot-resolver.git

lib/resolve: check for non-rd query input
---

diff --git a/lib/resolve.c b/lib/resolve.c
index faefb2092..3cf346fd4 100644
--- a/lib/resolve.c
+++ b/lib/resolve.c
@@ -233,7 +233,10 @@ int kr_resolve_consume(struct kr_request *request, knot_pkt_t *packet)
 	struct kr_query *qry = kr_rplan_current(rplan);
 
 	/* Empty resolution plan, push packet as the new query */
-	if (kr_rplan_empty(rplan)) {
+	if (packet && kr_rplan_empty(rplan)) {
+		if (!knot_wire_get_rd(packet->wire)) {
+			return KNOT_STATE_FAIL;
+		}
 		if (knot_pkt_init_response(request->answer, packet) != 0) {
 			return KNOT_STATE_FAIL;
 		}