From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Mon, 5 Mar 2018 09:43:44 +0000 (+0100)
Subject: dnsdist: Check that the number of sockets is > 0
X-Git-Tag: dnsdist-1.3.0~35^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e998def2a9007aab462c90ff5badc2eab7253ee8;p=thirdparty%2Fpdns.git

dnsdist: Check that the number of sockets is > 0
---

diff --git a/pdns/dnsdist-lua.cc b/pdns/dnsdist-lua.cc
index a73b6d1b10..55ee582a1b 100644
--- a/pdns/dnsdist-lua.cc
+++ b/pdns/dnsdist-lua.cc
@@ -217,9 +217,13 @@ void setupLuaConfig(bool client)
 			  }
 			}
 
-			if(vars.count("sockets")) {
-			  numberOfSockets=std::stoi(boost::get<string>(vars["sockets"]));
-			}
+                        if (vars.count("sockets")) {
+                          numberOfSockets = std::stoul(boost::get<string>(vars["sockets"]));
+                          if (numberOfSockets == 0) {
+                            warnlog("Dismissing invalid number of sockets '%s', using 1 instead", boost::get<string>(vars["sockets"]));
+                            numberOfSockets = 1;
+                          }
+                        }
 
 			std::shared_ptr<DownstreamState> ret;
 			try {