From: Marek Vavrusa <marek@vavrusa.com>
Date: Fri, 17 Jun 2016 05:39:28 +0000 (-0700)
Subject: lib/iterate: drop minimisation when getting REFUSED
X-Git-Tag: v1.1.0~73
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=36a74e1372c9507f3c3226df1d86f06a40a96ad0;p=thirdparty%2Fknot-resolver.git

lib/iterate: drop minimisation when getting REFUSED

this is required to avoid REFUSED loops if the origin doesn't handle
minimisation well
---

diff --git a/lib/layer/iterate.c b/lib/layer/iterate.c
index 2f2fd9cf6..15b5985c2 100644
--- a/lib/layer/iterate.c
+++ b/lib/layer/iterate.c
@@ -616,6 +616,7 @@ static int resolve(knot_layer_t *ctx, knot_pkt_t *pkt)
 			query->fails = 0; /* Reset per-query counter. */
 			return resolve_error(pkt, req);
 		} else {
+			query->flags |= QUERY_NO_MINIMIZE; /* Drop minimisation as a safe-guard. */
 			return KNOT_STATE_CONSUME;
 		}
 	}