From 2abaca7a494f1adbc8aa43833a3482627e315dd7 Mon Sep 17 00:00:00 2001
From: Ralph Dolmans <ralph@nlnetlabs.nl>
Date: Mon, 23 Dec 2019 17:35:11 +0100
Subject: [PATCH] - Fix dname_has_label() code review changes

---
 util/data/dname.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/util/data/dname.c b/util/data/dname.c
index 366d7a3f5..d55b1358d 100644
--- a/util/data/dname.c
+++ b/util/data/dname.c
@@ -549,9 +549,13 @@ dname_lab_startswith(uint8_t* label, char* prefix, char** endptr)
 int
 dname_has_label(uint8_t* dname, uint8_t* label)
 {
-	uint8_t lablen = *dname++;
-	if(memlowercmp(dname, label, lablen) == 0)
-		return 1;
+	uint8_t lablen = *dname;
+	while(lablen) {
+		if(lablen == *label && memlowercmp(dname, label, lablen) == 0)
+			return 1;
+		dname += lablen;
+		lablen = *dname;
+	}
 	return 0;
 }
 
-- 
2.47.3