From: John Crispin <blogic@openwrt.org>
Date: Wed, 27 Aug 2014 16:10:20 +0000 (+0200)
Subject: abort the reply parsing if an error is encountered
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fmdnsd.git;a=commitdiff_plain;h=da39c30e0a1bbf52ba3f226d7c91384a1791e008

abort the reply parsing if an error is encountered

Signed-off-by: John Crispin <blogic@openwrt.org>
---

diff --git a/dns.c b/dns.c
index ebef9ce..585b40f 100644
--- a/dns.c
+++ b/dns.c
@@ -380,11 +380,15 @@ dns_handle_packet(struct interface *iface, uint8_t *buffer, int len)
 		return;
 
 	while (h->answers-- > 0)
-		parse_answer(iface, buffer, len, &b, &rlen, 1);
+		if (parse_answer(iface, buffer, len, &b, &rlen, 1))
+			return;
 
 	while (h->authority-- > 0)
-		parse_answer(iface, buffer, len, &b, &rlen, 0);
+		if (parse_answer(iface, buffer, len, &b, &rlen, 1))
+			return;
 
 	while (h->additional-- > 0)
-		parse_answer(iface, buffer, len, &b, &rlen, 1);
+		if (parse_answer(iface, buffer, len, &b, &rlen, 1))
+			return;
+
 }