Optionally support port ranges in leftprotoport

diff --git a/src/starter/confread.c b/src/starter/confread.c
index 22f0b73..883534a 100644 (file)
--- a/src/starter/confread.c
+++ b/src/starter/confread.c
@@ -303,7 +303,7 @@ static void kw_end(starter_conn_t *conn, starter_end_t *end, kw_token_t token,
                        end->from_port = 0xffff;
                        end->to_port = 0;
                }
-               else
+               else if (*port)
                {
                        svc = getservbyname(port, NULL);
                        if (svc)
@@ -313,12 +313,28 @@ static void kw_end(starter_conn_t *conn, starter_end_t *end, kw_token_t token,
                        else
                        {
                                p = strtol(port, &endptr, 0);
-                               if ((*port && *endptr) || p < 0 || p > 0xffff)
+                               if (p < 0 || p > 0xffff)
+                               {
+                                       DBG1(DBG_APP, "# bad port: %s=%s", name, port);
+                                       goto err;
+                               }
+                               end->from_port = p;
+                               if (*endptr == '-')
+                               {
+                                       port = endptr + 1;
+                                       p = strtol(port, &endptr, 0);
+                                       if (p < 0 || p > 0xffff)
+                                       {
+                                               DBG1(DBG_APP, "# bad port: %s=%s", name, port);
+                                               goto err;
+                                       }
+                               }
+                               end->to_port = p;
+                               if (*endptr)
                                {
-                                       DBG1(DBG_APP, "# bad port: %s=%s", name, value);
+                                       DBG1(DBG_APP, "# bad port: %s=%s", name, port);
                                        goto err;
                                }
-                               end->from_port = end->to_port = (u_int16_t)p;
                        }
                }
                if (sep)