From 13347e2450c7bfa928eb80b01850e52dfa095802 Mon Sep 17 00:00:00 2001
From: Tomas Babej <tomasbabej@gmail.com>
Date: Thu, 28 Jan 2016 15:05:01 +0100
Subject: [PATCH] resolver: Reject lines with less than two tokens

---
 dns/resolver.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dns/resolver.py b/dns/resolver.py
index 55359fa..94360c4 100644
--- a/dns/resolver.py
+++ b/dns/resolver.py
@@ -562,8 +562,11 @@ def read_resolv_conf(self, f):
                 if len(l) == 0 or l[0] == '#' or l[0] == ';':
                     continue
                 tokens = l.split()
-                if len(tokens) == 0:
+
+                # Any line containing less than 2 tokens is malformed
+                if len(tokens) < 2:
                     continue
+
                 if tokens[0] == 'nameserver':
                     self.nameservers.append(tokens[1])
                 elif tokens[0] == 'domain':