From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 8 Jul 2005 06:49:08 +0000 (+0000)
Subject: (send_dg): Recognize referral results and treat them as server errors.
X-Git-Tag: upstream/2.30~16589
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=359bb2ef12afbd059eadbed49a8919fd0dedde4f;p=external%2Fglibc.git

(send_dg): Recognize referral results and treat them as server errors.
---

diff --git a/resolv/res_send.c b/resolv/res_send.c
index 1a53e5b..6f12b88 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -1008,11 +1008,19 @@ send_dg(res_state statp,
 			DprintQ(statp->options & RES_DEBUG,
 				(stdout, "server rejected query:\n"),
 				ans, (resplen > anssiz) ? anssiz : resplen);
+		next_ns:
 			res_nclose(statp);
 			/* don't retry if called from dig */
 			if (!statp->pfcode)
 				return (0);
 		}
+		if (anhp->rcode == NOERROR && anhp->ancount == 0
+		    && anhp->aa == 0 && anhp->ra == 0 && anhp->arcount == 0) {
+			DprintQ(statp->options & RES_DEBUG,
+				(stdout, "referred query:\n"),
+				ans, (resplen > anssiz) ? anssiz : resplen);
+			goto next_ns;
+		}
 		if (!(statp->options & RES_IGNTC) && anhp->tc) {
 			/*
 			 * To get the rest of answer,