From: Peter van Dijk <peter.van.dijk@netherlabs.nl>
Date: Fri, 17 May 2013 16:54:19 +0000 (+0200)
Subject: refuse control characters in TXT, except for \n and \t
X-Git-Tag: auth-3.3-rc1~27
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=aef73302b5bf7942f9ec44313991986a62153be8;p=pdns

refuse control characters in TXT, except for \n and \t
---

diff --git a/pdns/dnslabeltext.rl b/pdns/dnslabeltext.rl
index aad353091..6c495d7f0 100644
--- a/pdns/dnslabeltext.rl
+++ b/pdns/dnslabeltext.rl
@@ -62,7 +62,7 @@ vector<string> segmentDNSText(const string& input )
                 }
 
                 escaped = '\\' (([^0-9]@reportEscaped) | ([0-9]{3}$reportEscapedNumber%doneEscapedNumber));
-                plain = ((extend-'\\'-'"')|'\n'|'\t') $ reportPlain;
+                plain = ((extend-cntrl-'\\'-'"')|'\n'|'\t') $ reportPlain;
                 txtElement = escaped | plain;
             
                 main := (('"' txtElement* '"' space?) >segmentBegin %segmentEnd)+;