static void udp_probe_h(node_t *n, vpn_packet_t *packet, length_t len) {
if(!DATA(packet)[0]) {
- logger(DEBUG_TRAFFIC, LOG_INFO, "Got UDP probe request %d from %s (%s)", packet->len, n->name, n->hostname);
-
/* It's a probe request, send back a reply */
+ if(!n->status.sptps && !n->status.validkey) {
+ // But not if we don't have his key.
+ logger(DEBUG_TRAFFIC, LOG_INFO, "Got UDP probe request from %s (%s) but we don't have his key yet", n->name, n->hostname);
+ return;
+ }
+
+ logger(DEBUG_TRAFFIC, LOG_INFO, "Got UDP probe request %d from %s (%s)", packet->len, n->name, n->hostname);
+
/* Type 2 probe replies were introduced in protocol 17.3 */
if ((n->options >> 24) >= 3) {
uint8_t *data = DATA(packet);
}
static void try_tx_legacy(node_t *n) {
+ /* Does he have our key? If not, send one. */
+
+ if(!n->status.validkey_in)
+ send_ans_key(n);
+
/* Check if we already have a key, or request one. */
if(!n->status.validkey) {