fix #95 infinity loop when WKS record has over port number 65528

diff --git a/host2str.c b/host2str.c
index 29a5f5c98b50df0299b56caf054acbfecb581a82..d8108db0c8bfa5de020f0776a33fb04fe974f41a 100644 (file)
--- a/host2str.c
+++ b/host2str.c
@@ -855,6 +855,8 @@ ldns_rdf2buffer_str_wks(ldns_buffer *output, const ldns_rdf *rdf)
                        endservent();
 #endif
                }
+               /* exit from loop before integer overflow */
+               if(current_service == 65535) { break; }
        }
        return ldns_buffer_status(output);
 }