From: Tomas Babej <tomasbabej@gmail.com>
Date: Thu, 28 Jan 2016 14:05:01 +0000 (+0100)
Subject: resolver: Reject lines with less than two tokens
X-Git-Tag: v1.13.0~11^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F141%2Fhead;p=thirdparty%2Fdnspython.git

resolver: Reject lines with less than two tokens
---

diff --git a/dns/resolver.py b/dns/resolver.py
index 55359fae..94360c4f 100644
--- a/dns/resolver.py
+++ b/dns/resolver.py
@@ -562,8 +562,11 @@ class Resolver(object):
                 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':