{
bool use_frags = FALSE;
ike_cfg_t *ike_cfg;
- host_t *src, *dst;
chunk_t data;
ike_cfg = this->ike_sa->get_ike_cfg(this->ike_sa);
fragment_payload_t *fragment;
u_int8_t num, count;
size_t len, frag_size;
- bool nat;
-
- /* reduce size due to non-ESP marker */
- nat = this->ike_sa->has_condition(this->ike_sa, COND_NAT_ANY);
- frag_size = this->frag.size - (nat ? 4 : 0);
+ host_t *src, *dst;
src = packet->get_source(packet);
dst = packet->get_destination(packet);
+
+ frag_size = this->frag.size;
+ if (dst->get_port(dst) != IKEV2_UDP_PORT &&
+ src->get_port(src) != IKEV2_UDP_PORT)
+ { /* reduce size due to non-ESP marker */
+ frag_size -= 4;
+ }
count = (data.len / (frag_size + 1)) + 1;
DBG1(DBG_IKE, "sending IKE message with length of %zu bytes in "