Add a traffic selector constructor creating a TS directly from a CIDR string

src/libstrongswan/selectors/traffic_selector.c

@@ -815,6 +815,23 @@ traffic_selector_t *traffic_selector_create_from_string(
 	return (&this->public);
 }
 
+/*
+ * see header
+ */
+traffic_selector_t *traffic_selector_create_from_cidr(char *string,
+									u_int8_t protocol, u_int16_t port)
+{
+	host_t *net;
+	int bits;
+
+	net = host_create_from_subnet(string, &bits);
+	if (net)
+	{
+		return traffic_selector_create_from_subnet(net, bits, protocol, port);
+	}
+	return NULL;
+}
+
 /*
  * see header
  */