Limit the maximum length of a qname

pieterlexis · pieterlexis · commit a0a14827f727 · 2015-06-05T13:29:30.000+02:00
diff --git a/pdns/dnsparser.cc b/pdns/dnsparser.cc
@@ -470,6 +470,8 @@ void PacketReader::getLabelFromContent(const vector<uint8_t>& content, uint16_t&
       }
       ret.append(1,'.');
     }
+    if (ret.length() > 1024)
+      throw MOADNSException("Total name too long");
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -470,6 +470,8 @@ void PacketReader::getLabelFromContent(const vector<uint8_t>& content, uint16_t&`
`470`	`470`	`}`
`471`	`471`	`ret.append(1,'.');`
`472`	`472`	`}`
	`473`	`+ if (ret.length() > 1024)`
	`474`	`+ throw MOADNSException("Total name too long");`
`473`	`475`	`}`
`474`	`476`	`}`
`475`	`477`