From: Wouter Wijngaards <wouter@NLnetLabs.nl>
Date: Tue, 1 May 2007 10:08:44 +0000 (+0000)
Subject: Fixed so that a pointer to a 0 byte can be decompressed to the root.
X-Git-Tag: ldns-1.3.0_pre_20070822~76
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc0cd336ec52ee6a2fd63fcd85525cff17120bdd;p=thirdparty%2Fldns.git

Fixed so that a pointer to a 0 byte can be decompressed to the root.
---

diff --git a/wire2host.c b/wire2host.c
index 81790fc8..9c477193 100644
--- a/wire2host.c
+++ b/wire2host.c
@@ -96,6 +96,8 @@ ldns_wire2dname(ldns_rdf **dname, const uint8_t *wire, size_t max, size_t *pos)
 			*pos = pointer_target;
 			label_size = wire[*pos];
 		}
+		if(label_size == 0)
+			break; /* break from pointer to 0 byte */
 		if (label_size > LDNS_MAX_LABELLEN) {
 			return LDNS_STATUS_LABEL_OVERFLOW;
 		}