if((h = getheader(req, "Host")) != NULL)
bufaddenv(dst, "SERVER_NAME", "%s", h);
if((h = getheader(req, "X-Ash-Server-Port")) != NULL)
bufaddenv(dst, "SERVER_PORT", "%s", h);
if((h = getheader(req, "Host")) != NULL)
bufaddenv(dst, "SERVER_NAME", "%s", h);
if((h = getheader(req, "X-Ash-Server-Port")) != NULL)
bufaddenv(dst, "SERVER_PORT", "%s", h);