Don't retransmit, rekey, reauth or DPD check SAs when in PASSIVE state

src/libcharon/sa/ike_sa.c

@@ -559,6 +559,10 @@ METHOD(ike_sa_t, send_dpd, status_t,
 	job_t *job;
 	time_t diff, delay;
 
+	if (this->state == IKE_PASSIVE)
+	{
+		return INVALID_STATE;
+	}
 	delay = this->peer_cfg->get_dpd(this->peer_cfg);
 	if (this->task_manager->busy(this->task_manager))
 	{
@@ -1431,6 +1435,11 @@ METHOD(ike_sa_t, rekey_child_sa, status_t,
 {
 	child_rekey_t *child_rekey;
 
+	if (this->state == IKE_PASSIVE)
+	{
+		return INVALID_STATE;
+	}
+
 	child_rekey = child_rekey_create(&this->public, protocol, spi);
 	this->task_manager->queue_task(this->task_manager, &child_rekey->task);
 	return this->task_manager->initiate(this->task_manager);
@@ -1441,6 +1450,11 @@ METHOD(ike_sa_t, delete_child_sa, status_t,
 {
 	child_delete_t *child_delete;
 
+	if (this->state == IKE_PASSIVE)
+	{
+		return INVALID_STATE;
+	}
+
 	child_delete = child_delete_create(&this->public, protocol, spi);
 	this->task_manager->queue_task(this->task_manager, &child_delete->task);
 	return this->task_manager->initiate(this->task_manager);
@@ -1500,6 +1514,10 @@ METHOD(ike_sa_t, rekey, status_t,
 {
 	ike_rekey_t *ike_rekey;
 
+	if (this->state == IKE_PASSIVE)
+	{
+		return INVALID_STATE;
+	}
 	ike_rekey = ike_rekey_create(&this->public, TRUE);
 
 	this->task_manager->queue_task(this->task_manager, &ike_rekey->task);
@@ -1511,6 +1529,10 @@ METHOD(ike_sa_t, reauth, status_t,
 {
 	task_t *task;
 
+	if (this->state == IKE_PASSIVE)
+	{
+		return INVALID_STATE;
+	}
 	/* we can't reauthenticate as responder when we use EAP or virtual IPs.
 	 * If the peer does not support RFC4478, there is no way to keep the
 	 * IKE_SA up. */
@@ -1708,6 +1730,10 @@ static void requeue_init_tasks(private_ike_sa_t *this)
 METHOD(ike_sa_t, retransmit, status_t,
 	private_ike_sa_t *this, u_int32_t message_id)
 {
+	if (this->state == IKE_PASSIVE)
+	{
+		return INVALID_STATE;
+	}
 	this->stats[STAT_OUTBOUND] = time_monotonic(NULL);
 	if (this->task_manager->retransmit(this->task_manager, message_id) != SUCCESS)
 	{