From: Peter van Dijk <peter.van.dijk@powerdns.com>
Date: Tue, 20 Dec 2022 20:23:01 +0000 (+0100)
Subject: auth LUA createForward: accept any length of prefix for the hex address
X-Git-Tag: dnsdist-1.8.0-rc3~11^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9af5ff1175ec98bc70a5a269aaa9740333ec5dc5;p=thirdparty%2Fpdns.git

auth LUA createForward: accept any length of prefix for the hex address
---

diff --git a/pdns/lua-record.cc b/pdns/lua-record.cc
index d221ce92be..e231da745b 100644
--- a/pdns/lua-record.cc
+++ b/pdns/lua-record.cc
@@ -705,7 +705,7 @@ static void setupLuaRecords(LuaContext& lua)
           }
           ret.resize(ret.size() - 1); // remove trailing dot after last octet
           return ret;
-        } else if(parts[0].length() == 10 && sscanf(parts[0].c_str()+2, "%02x%02x%02x%02x", &x1, &x2, &x3, &x4)==4) {
+        } else if(parts[0].length() >= 8 && sscanf(parts[0].c_str()+(parts[0].length()-8), "%02x%02x%02x%02x", &x1, &x2, &x3, &x4)==4) {
           return std::to_string(x1)+"."+std::to_string(x2)+"."+std::to_string(x3)+"."+std::to_string(x4);
         }
       }