Make the UDP ports charon listens for packets on (and uses as source ports) configurable.
[strongswan.git] / src / libcharon / sa / ikev2 / tasks / ike_mobike.c
index 90c3866..388b45c 100644 (file)
@@ -271,15 +271,15 @@ static void update_children(private_ike_mobike_t *this)
 /**
  * Apply the port of the old host, if its ip equals the new, use port otherwise.
  */
-static void apply_port(host_t *host, host_t *old, u_int16_t port)
+static void apply_port(host_t *host, host_t *old, u_int16_t port, bool local)
 {
        if (host->ip_equals(host, old))
        {
                port = old->get_port(old);
        }
-       else if (port == IKEV2_UDP_PORT)
+       else if (port == (local ? CHARON_UDP_PORT : IKEV2_UDP_PORT))
        {
-               port = IKEV2_NATT_PORT;
+               port = (local ? CHARON_NATT_PORT : IKEV2_NATT_PORT);
        }
        host->set_port(host, port);
 }
@@ -314,9 +314,9 @@ METHOD(ike_mobike_t, transmit, void,
                                continue;
                        }
                        /* reuse port for an active address, 4500 otherwise */
-                       apply_port(me, me_old, ike_cfg->get_my_port(ike_cfg));
+                       apply_port(me, me_old, ike_cfg->get_my_port(ike_cfg), TRUE);
                        other = other->clone(other);
-                       apply_port(other, other_old, ike_cfg->get_other_port(ike_cfg));
+                       apply_port(other, other_old, ike_cfg->get_other_port(ike_cfg), FALSE);
                        DBG1(DBG_IKE, "checking path %#H - %#H", me, other);
                        copy = packet->clone(packet);
                        copy->set_source(copy, me);