Fixed handling of IKE_SAs without a virtual IP in farp plugin

diff --git a/src/libcharon/plugins/farp/farp_listener.c b/src/libcharon/plugins/farp/farp_listener.c
index 3875c1f..8eed497 100644 (file)
--- a/src/libcharon/plugins/farp/farp_listener.c
+++ b/src/libcharon/plugins/farp/farp_listener.c
@@ -87,11 +87,14 @@ METHOD(listener_t, message_hook, bool,
                host_t *ip;
 
                ip = ike_sa->get_virtual_ip(ike_sa, FALSE);
-               ip = ip->clone(ip);
-               this->lock->write_lock(this->lock);
-               ip = this->ips->put(this->ips, ip, ip);
-               this->lock->unlock(this->lock);
-               DESTROY_IF(ip);
+               if (ip)
+               {
+                       ip = ip->clone(ip);
+                       this->lock->write_lock(this->lock);
+                       ip = this->ips->put(this->ips, ip, ip);
+                       this->lock->unlock(this->lock);
+                       DESTROY_IF(ip);
+               }
        }
        return TRUE;
 }