Logic bug ? let's see

Author: DannyArends

.gitignore

@@ -4,11 +4,9 @@ www/rotationz.nl
 www/rotationz.test
 www/grassland.test
 www/localhost/ddoc
-danode/server
-danode/server.exe
-danode/danode-test-default.exe
 server
 server.exe
+server.pdb
 
 www/danny.test/
 www/localhost/123 123.txt

danode/cgi.d

@@ -109,8 +109,7 @@ class CGI : Payload {
     // Stream of message bytes, skips the script generated header since the webserver 
     // parses the header and generates it's own
     const(char)[] bytes(ptrdiff_t from, ptrdiff_t maxsize = 1024) {
-      if (from + endOfHeader > from)
-        from += bodyStart;
+      if (endOfHeader > 0) from += bodyStart;
       return(external.output(from)[0 .. to!ptrdiff_t(min(from+maxsize, $))]);
     }
 

danode/response.d

@@ -53,14 +53,14 @@ struct Response {
         auto v = line.split(": ");
         if(v.length == 2) this.headers[v[0]] = chomp(v[1]);
       }
-      if (status.code != 500) {
+      if (status.code != 500 && scriptheader.length > 0) {
         auto htype = script.headerType();
         if (htype == HeaderType.FastCGI || htype == HeaderType.None) {
           hdr.put(format("%s %d %s\r\n", protocol, payload.statuscode, payload.statuscode.reason));
         }
         hdr.put(scriptheader);
         if(clength == -1) connection = "Close";
-        return(hdr.data); // The script can communicate
+        return(hdr.data);
       }
       if (connection != "No Request" && clength > -1) {
         custom(0, "KEEP", "script '%s' in keepalive mode connection '%s' (%s, %d)", script.command, connection, script.headerType(), clength);